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Location: Madrid Workplace: OnSite ABOUT US Sierra is the leading platform for customer-facing AI agents, working with many of the world's biggest brands — including The GAP, Rocket Mortgage, SoFi, Sutter Health, and SoftBank — to transform how they serve customers and grow their businesses. We are primarily an in-person company based in San Francisco, with growing offices across North America, Europe, and Asia. We are guided by a set of values that are at the core of our actions and define our culture: Trust, Customer Obsession, Craftsmanship, Intensity, and a commitment to balancing Family along the way. These values are the foundation of our work, and we are committed to upholding them in everything we do. Our co-founders are Bret Taylor https://www.linkedin.com/in/brettaylor/ and Clay Bavor https://www.linkedin.com/in/claybavor/. Bret currently serves as Board Chair of OpenAI. Previously, he was co-CEO of Salesforce (which had acquired the company he founded, Quip) and CTO of Facebook. Bret was also one of Google's earliest product managers and co-creator of Google Maps. Before founding Sierra, Clay spent 18 years at Google, where he most recently led Google Labs. Earlier, he started and led Google’s AR/VR effort, Project Starline, and Google Lens. Before that, Clay led the product and design teams for Google Workspace. WHAT YOU'LL DO As an Agent Strategist https://sierra.ai/blog/agent-strategist-your-phd-in-applied-ai, you own how Sierra's AI agents come to life for our customers — from first pilot to a production agent handling thousands of conversations a day. You sit at the intersection of product, building agents and customer-facing work, and stay just as close to the technology as you are to the people you build for. You transform a customer's thorniest, highest-stakes problems into agents that measurably move their business. - Own the Agent Development Life Cycle https://sierra.ai/blog/agent-development-life-cycle. Take agents from initial scope through conversation design, tooling, and evaluation, to launch and continuous iteration in production — translating business goals into an agent that outperforms, and tuning relentlessly until it's the best version of itself in the real world. You'll have real ownership and autonomy over the outcome. - Be the trusted strategic advisor to enterprise leaders. Sit shoulder-to-shoulder with our customers' executives, understand what success actually means to their business, and shape the AI strategy that gets them there. - Partner with the customer's working teams day to day. Run working sessions, troubleshoot the agent as issues come up, and make the calls that keep the build on track for launch. - Directly impact product. Surface unmet needs from your customer work, and feed them back to research and platform to shape where Sierra goes next. EXAMPLE PROJECTS These are the kinds of projects that strategists on our team have worked on recently: - Scope and launch a subscription-retention agent for a large telecommunications or media company that consistently outperforms human agents at saving at-risk customers. - Stand up an agent for a commerce customer that troubleshoots a broken device end-to-end and personalizes product recommendations in the same conversation. - Redesign the conversation flows for a financial services agent so it can handle complex, regulated interactions — and convert a pilot into a multi-team production deployment. See our financial services blog https://sierra.ai/blog/five-ways-to-use-ai-agents-financial-services for examples. - Partner with product on a net-new capability — a new agent architecture or self-service tooling — using a live customer as the design partner. - Define the evaluation and quality bar for a new agent, then use those metrics to drive a measurable lift in outcome https://sierra.ai/blog/outcome-based-pricing-for-ai-agents week over week. WHAT YOU'LL BRING - Customer obsession. Genuine energy being in front of customers — understanding their business and needs, thriving in complex organizations, and building trusted relationships. - Communication. Clear, direct, and persuasive across technical and non-technical audiences. - Strategic problem-solving in ambiguity. Strong analytical and critical-thinking skills to break down complex problems, spot risks early, and adapt as things change fast. - Technical aptitude. Comfortable engaging directly with technical concepts - reading API documentation, understanding data models and system architecture, and following engineering tradeoffs in a design discussion. - Ownership and delivery. A track record of running multiple complex, high-visibility projects at once and driving them to outcomes. EVEN BETTER... - Experience building or deploying AI/LLM agents in production — hands-on with the tools behind them (eval frameworks, agent tooling, RAG, prompt engineering) — working closely with technical counterparts. - You've been a founder, founding team member, or operator — you know how to balance craft, ownership, and speed. - A degree in Computer Science, Engineering, Mathematics, a related technical field, or equivalent practical experience — and/or an MBA or comparable experience at the intersection of technology and business. OUR VALUES - Trust: We build trust with our customers with our accountability, empathy, quality, and responsiveness. We build trust in AI by making it more accessible, safe, and useful. We build trust with each other by showing up for each other professionally and personally, creating an environment that enables all of us to do our best work. - Customer Obsession: We deeply understand our customers’ business goals and relentlessly focus on driving outcomes, not just technical milestones. Everyone at the company knows and spends time with our customers. When our customer is having an issue, we drop everything and fix it. - Craftsmanship: We get the details right, from the words on the page to the system architecture. We have good taste. When we notice something isn’t right, we take the time to fix it. We are proud of the products we produce. We continuously self-reflect to continuously self-improve. - Intensity: We know we don’t have the luxury of patience. We play to win. We care about our product being the best, and when it isn’t, we fix it. When we fail, we talk about it openly and without blame so we succeed the next time. - Family: We know that balance and intensity are compatible, and we model it in our actions and processes. We are the best technology company for parents. We support and respect each other and celebrate each other’s personal and professional achievements. WHAT WE OFFER We want our benefits to reflect our values and offer the following to full-time employees: - Flexible (unlimited) paid time off - Medical, dental, and vision benefits for you and your family - Life insurance and disability benefits - Retirement plan dependent on country of employment - Parental leave - Fertility and family building benefits through Carrot - Lunch, as well as delicious snacks and coffee to keep you energized  - Discretionary benefit stipend giving people the ability to spend where it matters most - Free alphorn lessons These benefits are further detailed in Sierra's policies, may vary by region, and are subject to change at any time, consistent with the terms of any applicable compensation or benefits plans. Eligible full-time employees can participate in Sierra's equity plans subject to the terms of the applicable plans and policies. BE YOU, WITH US We're working to bring the transformative power of AI to every organization in the world. To do so, it is important to us that the diversity of our employees represents the diversity of our customers. We believe that our work and culture are better when we encourage, support, and respect different skills and experiences represented within our team. We encourage you to apply even if your experience doesn't precisely match the job description. We strive to evaluate all applicants consistently without regard to race, color, religion, gender, national origin, age, disability, veteran status, pregnancy, gender expression or identity, sexual orientation, citizenship, or any other legally protected class.

Location: Paris Workplace: OnSite ABOUT US Sierra is the leading platform for customer-facing AI agents, working with many of the world's biggest brands — including The GAP, Rocket Mortgage, SoFi, Sutter Health, and SoftBank — to transform how they serve customers and grow their businesses. We are primarily an in-person company based in San Francisco, with growing offices across North America, Europe, and Asia. We are guided by a set of values that are at the core of our actions and define our culture: Trust, Customer Obsession, Craftsmanship, Intensity, and a commitment to balancing Family along the way. These values are the foundation of our work, and we are committed to upholding them in everything we do. Our co-founders are Bret Taylor https://www.linkedin.com/in/brettaylor/ and Clay Bavor https://www.linkedin.com/in/claybavor/. Bret currently serves as Board Chair of OpenAI. Previously, he was co-CEO of Salesforce (which had acquired the company he founded, Quip) and CTO of Facebook. Bret was also one of Google's earliest product managers and co-creator of Google Maps. Before founding Sierra, Clay spent 18 years at Google, where he most recently led Google Labs. Earlier, he started and led Google’s AR/VR effort, Project Starline, and Google Lens. Before that, Clay led the product and design teams for Google Workspace. WHAT YOU'LL DO As an Agent Strategist https://sierra.ai/blog/agent-strategist-your-phd-in-applied-ai, you own how Sierra's AI agents come to life for our customers — from first pilot to a production agent handling thousands of conversations a day. You sit at the intersection of product, building agents and customer-facing work, and stay just as close to the technology as you are to the people you build for. You transform a customer's thorniest, highest-stakes problems into agents that measurably move their business. - Own the Agent Development Life Cycle https://sierra.ai/blog/agent-development-life-cycle. Take agents from initial scope through conversation design, tooling, and evaluation, to launch and continuous iteration in production — translating business goals into an agent that outperforms, and tuning relentlessly until it's the best version of itself in the real world. You'll have real ownership and autonomy over the outcome. - Be the trusted strategic advisor to enterprise leaders. Sit shoulder-to-shoulder with our customers' executives, understand what success actually means to their business, and shape the AI strategy that gets them there. - Partner with the customer's working teams day to day. Run working sessions, troubleshoot the agent as issues come up, and make the calls that keep the build on track for launch. - Directly impact product. Surface unmet needs from your customer work, and feed them back to research and platform to shape where Sierra goes next. EXAMPLE PROJECTS These are the kinds of projects that strategists on our team have worked on recently: - Scope and launch a subscription-retention agent for a large telecommunications or media company that consistently outperforms human agents at saving at-risk customers. - Stand up an agent for a commerce customer that troubleshoots a broken device end-to-end and personalizes product recommendations in the same conversation. - Redesign the conversation flows for a financial services agent so it can handle complex, regulated interactions — and convert a pilot into a multi-team production deployment. See our financial services blog https://sierra.ai/blog/five-ways-to-use-ai-agents-financial-services for examples. - Partner with product on a net-new capability — a new agent architecture or self-service tooling — using a live customer as the design partner. - Define the evaluation and quality bar for a new agent, then use those metrics to drive a measurable lift in outcome https://sierra.ai/blog/outcome-based-pricing-for-ai-agents week over week. WHAT YOU'LL BRING - Customer obsession. Genuine energy being in front of customers — understanding their business and needs, thriving in complex organizations, and building trusted relationships. - Communication. Clear, direct, and persuasive across technical and non-technical audiences. - Strategic problem-solving in ambiguity. Strong analytical and critical-thinking skills to break down complex problems, spot risks early, and adapt as things change fast. - Technical aptitude. Comfortable engaging directly with technical concepts - reading API documentation, understanding data models and system architecture, and following engineering tradeoffs in a design discussion. - Ownership and delivery. A track record of running multiple complex, high-visibility projects at once and driving them to outcomes. EVEN BETTER... - Experience building or deploying AI/LLM agents in production — hands-on with the tools behind them (eval frameworks, agent tooling, RAG, prompt engineering) — working closely with technical counterparts. - You've been a founder, founding team member, or operator — you know how to balance craft, ownership, and speed. - A degree in Computer Science, Engineering, Mathematics, a related technical field, or equivalent practical experience — and/or an MBA or comparable experience at the intersection of technology and business. OUR VALUES - Trust: We build trust with our customers with our accountability, empathy, quality, and responsiveness. We build trust in AI by making it more accessible, safe, and useful. We build trust with each other by showing up for each other professionally and personally, creating an environment that enables all of us to do our best work. - Customer Obsession: We deeply understand our customers’ business goals and relentlessly focus on driving outcomes, not just technical milestones. Everyone at the company knows and spends time with our customers. When our customer is having an issue, we drop everything and fix it. - Craftsmanship: We get the details right, from the words on the page to the system architecture. We have good taste. When we notice something isn’t right, we take the time to fix it. We are proud of the products we produce. We continuously self-reflect to continuously self-improve. - Intensity: We know we don’t have the luxury of patience. We play to win. We care about our product being the best, and when it isn’t, we fix it. When we fail, we talk about it openly and without blame so we succeed the next time. - Family: We know that balance and intensity are compatible, and we model it in our actions and processes. We are the best technology company for parents. We support and respect each other and celebrate each other’s personal and professional achievements. WHAT WE OFFER We want our benefits to reflect our values and offer the following to full-time employees: - Flexible (unlimited) paid time off - Medical, dental, and vision benefits for you and your family - Life insurance and disability benefits - Retirement plan dependent on country of employment - Parental leave - Fertility and family building benefits through Carrot - Lunch, as well as delicious snacks and coffee to keep you energized  - Discretionary benefit stipend giving people the ability to spend where it matters most - Free alphorn lessons These benefits are further detailed in Sierra's policies, may vary by region, and are subject to change at any time, consistent with the terms of any applicable compensation or benefits plans. Eligible full-time employees can participate in Sierra's equity plans subject to the terms of the applicable plans and policies. BE YOU, WITH US We're working to bring the transformative power of AI to every organization in the world. To do so, it is important to us that the diversity of our employees represents the diversity of our customers. We believe that our work and culture are better when we encourage, support, and respect different skills and experiences represented within our team. We encourage you to apply even if your experience doesn't precisely match the job description. We strive to evaluate all applicants consistently without regard to race, color, religion, gender, national origin, age, disability, veteran status, pregnancy, gender expression or identity, sexual orientation, citizenship, or any other legally protected class.

Location: Remote Workplace: remote ABOUT YOU   Xsolla is seeking a Principal Engineer with deep expertise in Identity and Golang backend development to lead the evolution of our authentication and authorization stack — enabling developers and players to connect safely and effortlessly across the Xsolla ecosystem.   ABOUT US   Xsolla is a global commerce company with robust tools and services to help developers solve the inherent challenges of the video game industry. From indie to AAA, companies partner with Xsolla to help them fund, distribute, market, and monetize their games. Grounded in the belief in the future of video games, Xsolla is resolute in the mission to bring opportunities together, and continually make new resources available to creators. Headquartered and incorporated in Los Angeles, California, Xsolla operates as the merchant of record and has helped over 1,500+ game developers to reach more players and grow their businesses around the world. With more paths to profits and ways to win, developers have all the things needed to enjoy the game. For more information, visit xsolla.com. Responsibilities: Architect and lead the design of Xsolla’s next-generation identity platform, supporting authentication, authorization, single sign-on (SSO), and account federation across internal and external services. Develop high-performance Golang microservices that manage user identity, access tokens, and permission enforcement at global scale. Collaborate closely with security, DevOps, and platform engineering teams to embed Zero Trust principles and standardize access governance across services. Integrate modern IAM standards and protocols (OAuth2, OIDC, SCIM) to enhance developer experience and partner integrations. Mentor and coach engineering teams on secure service design, identity best practices, and cross-service communication patterns. Partner with product teams to ensure that identity-related features — such as player login, entitlement management, and account linking — are scalable, compliant, and user-friendly. Define and enforce API and data security standards, supporting compliance initiatives. Evaluate and integrate third-party identity frameworks or open-source solutions (e.g., Keycloak, Auth0, Ory, ForgeRock) as part of Xsolla’s hybrid identity strategy. Qualifications & Skills: 10+ years in backend or systems engineering, including 5+ years designing and implementing authentication and authorization services. Expert-level skills in Golang, with experience building and scaling distributed, event-driven microservices. Proven track record with identity federation, token management, and access control systems. In-depth understanding of authentication and authorization standards (OAuth 2.0, OIDC, JWT, SCIM). Solid grasp of security principles, encryption, key management, and secrets management systems (e.g., HashiCorp Vault, AWS KMS). Experience building high-availability systems in Kubernetes-based environments using AWS, or GCP. Strong architectural vision with the ability to influence cross-team design and technology direction. Excellent communication and collaboration skills across distributed teams. Nice to Have: Experience building or contributing to identity systems for gaming or SaaS ecosystems. Familiarity with multi-tenant architectures, ReBAC/ABAC models, and policy-as-code (OPA, AuthZ frameworks). Background in security engineering, DevSecOps, or compliance automation. Contributions to open-source Golang. Benefits: We are passionate about fostering a supportive environment for our team, so we prioritize the physical, mental, and emotional well-being of our employees and their families through a comprehensive Benefits Program. This includes 100% company-paid medical, dental, and vision plans, unlimited Flexible Time Off, and a personalized career roadmap for each employee. By investing in professional development through training and educational opportunities, we ensure that our team thrives both personally and professionally. Together, we’re not just building a business; we’re cultivating a community that values creativity, collaboration, and the transformative power of play.   Equal Employment Opportunity Statement: Xsolla is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. We do not discriminate based on race, color, religion, sex, national origin, age, disability, sexual orientation, gender identity, or any other characteristic protected by law. We consider qualified applicants with criminal histories in accordance with the Fair Chance Act.   Criminal History Consideration: For the Principal Engineer, we will conduct a background check that may include the following: Criminal history check Employment verification Education verification   Relevance to Job Responsibilities: The background check is relevant to this position because of the following role responsibilities: Accessing confidential company data Ensuring compliance with regulatory requirements Handling sensitive financial information/managing budgets/accessing funds   Rights Under the Fair Chance Act: Applicants are encouraged to inquire about their rights under the Fair Chance Act. If you have questions regarding our hiring practices, please contact careers@xsolla.com. The listed range is specific to Los Angeles, CA, and varies based on factors such as location and experience.

Location: London Workplace: OnSite ABOUT US Sierra is the leading platform for customer-facing AI agents, working with many of the world's biggest brands — including The GAP, Rocket Mortgage, SoFi, Sutter Health, and SoftBank — to transform how they serve customers and grow their businesses. We are primarily an in-person company based in San Francisco, with growing offices across North America, Europe, and Asia. We are guided by a set of values that are at the core of our actions and define our culture: Trust, Customer Obsession, Craftsmanship, Intensity, and a commitment to balancing Family along the way. These values are the foundation of our work, and we are committed to upholding them in everything we do. Our co-founders are Bret Taylor https://www.linkedin.com/in/brettaylor/ and Clay Bavor https://www.linkedin.com/in/claybavor/. Bret currently serves as Board Chair of OpenAI. Previously, he was co-CEO of Salesforce (which had acquired the company he founded, Quip) and CTO of Facebook. Bret was also one of Google's earliest product managers and co-creator of Google Maps. Before founding Sierra, Clay spent 18 years at Google, where he most recently led Google Labs. Earlier, he started and led Google’s AR/VR effort, Project Starline, and Google Lens. Before that, Clay led the product and design teams for Google Workspace. WHAT YOU'LL DO As an Agent Strategist https://sierra.ai/blog/agent-strategist-your-phd-in-applied-ai, you own how Sierra's AI agents come to life for our customers — from first pilot to a production agent handling thousands of conversations a day. You sit at the intersection of product, building agents and customer-facing work, and stay just as close to the technology as you are to the people you build for. You transform a customer's thorniest, highest-stakes problems into agents that measurably move their business. - Own the Agent Development Life Cycle https://sierra.ai/blog/agent-development-life-cycle. Take agents from initial scope through conversation design, tooling, and evaluation, to launch and continuous iteration in production — translating business goals into an agent that outperforms, and tuning relentlessly until it's the best version of itself in the real world. You'll have real ownership and autonomy over the outcome. - Be the trusted strategic advisor to enterprise leaders. Sit shoulder-to-shoulder with our customers' executives, understand what success actually means to their business, and shape the AI strategy that gets them there. - Partner with the customer's working teams day to day. Run working sessions, troubleshoot the agent as issues come up, and make the calls that keep the build on track for launch. - Directly impact product. Surface unmet needs from your customer work, and feed them back to research and platform to shape where Sierra goes next. EXAMPLE PROJECTS These are the kinds of projects that strategists on our team have worked on recently: - Scope and launch a subscription-retention agent for a large telecommunications or media company that consistently outperforms human agents at saving at-risk customers. - Stand up an agent for a commerce customer that troubleshoots a broken device end-to-end and personalizes product recommendations in the same conversation. - Redesign the conversation flows for a financial services agent so it can handle complex, regulated interactions — and convert a pilot into a multi-team production deployment. See our financial services blog https://sierra.ai/blog/five-ways-to-use-ai-agents-financial-services for examples. - Partner with product on a net-new capability — a new agent architecture or self-service tooling — using a live customer as the design partner. - Define the evaluation and quality bar for a new agent, then use those metrics to drive a measurable lift in outcome https://sierra.ai/blog/outcome-based-pricing-for-ai-agents week over week. WHAT YOU'LL BRING - Customer obsession. Genuine energy being in front of customers — understanding their business and needs, thriving in complex organizations, and building trusted relationships. - Communication. Clear, direct, and persuasive across technical and non-technical audiences. - Strategic problem-solving in ambiguity. Strong analytical and critical-thinking skills to break down complex problems, spot risks early, and adapt as things change fast. - Technical aptitude. Comfortable engaging directly with technical concepts - reading API documentation, understanding data models and system architecture, and following engineering tradeoffs in a design discussion. - Ownership and delivery. A track record of running multiple complex, high-visibility projects at once and driving them to outcomes. EVEN BETTER... - Experience building or deploying AI/LLM agents in production — hands-on with the tools behind them (eval frameworks, agent tooling, RAG, prompt engineering) — working closely with technical counterparts. - You've been a founder, founding team member, or operator — you know how to balance craft, ownership, and speed. - A degree in Computer Science, Engineering, Mathematics, a related technical field, or equivalent practical experience — and/or an MBA or comparable experience at the intersection of technology and business. OUR VALUES - Trust: We build trust with our customers with our accountability, empathy, quality, and responsiveness. We build trust in AI by making it more accessible, safe, and useful. We build trust with each other by showing up for each other professionally and personally, creating an environment that enables all of us to do our best work. - Customer Obsession: We deeply understand our customers’ business goals and relentlessly focus on driving outcomes, not just technical milestones. Everyone at the company knows and spends time with our customers. When our customer is having an issue, we drop everything and fix it. - Craftsmanship: We get the details right, from the words on the page to the system architecture. We have good taste. When we notice something isn’t right, we take the time to fix it. We are proud of the products we produce. We continuously self-reflect to continuously self-improve. - Intensity: We know we don’t have the luxury of patience. We play to win. We care about our product being the best, and when it isn’t, we fix it. When we fail, we talk about it openly and without blame so we succeed the next time. - Family: We know that balance and intensity are compatible, and we model it in our actions and processes. We are the best technology company for parents. We support and respect each other and celebrate each other’s personal and professional achievements. WHAT WE OFFER We want our benefits to reflect our values and offer the following to full-time employees: - Flexible (unlimited) paid time off - Medical, dental, and vision benefits for you and your family - Life insurance and disability benefits - Retirement plan dependent on country of employment - Parental leave - Fertility and family building benefits through Carrot - Lunch, as well as delicious snacks and coffee to keep you energized  - Discretionary benefit stipend giving people the ability to spend where it matters most - Free alphorn lessons These benefits are further detailed in Sierra's policies, may vary by region, and are subject to change at any time, consistent with the terms of any applicable compensation or benefits plans. Eligible full-time employees can participate in Sierra's equity plans subject to the terms of the applicable plans and policies. BE YOU, WITH US We're working to bring the transformative power of AI to every organization in the world. To do so, it is important to us that the diversity of our employees represents the diversity of our customers. We believe that our work and culture are better when we encourage, support, and respect different skills and experiences represented within our team. We encourage you to apply even if your experience doesn't precisely match the job description. We strive to evaluate all applicants consistently without regard to race, color, religion, gender, national origin, age, disability, veteran status, pregnancy, gender expression or identity, sexual orientation, citizenship, or any other legally protected class.

Location: London Workplace: OnSite ABOUT US Sierra is the leading platform for customer-facing AI agents, working with many of the world's biggest brands — including The GAP, Rocket Mortgage, SoFi, Sutter Health, and SoftBank — to transform how they serve customers and grow their businesses. We are primarily an in-person company based in San Francisco, with growing offices across North America, Europe, and Asia. We are guided by a set of values that are at the core of our actions and define our culture: Trust, Customer Obsession, Craftsmanship, Intensity, and a commitment to balancing Family along the way. These values are the foundation of our work, and we are committed to upholding them in everything we do. Our co-founders are Bret Taylor https://www.linkedin.com/in/brettaylor/ and Clay Bavor https://www.linkedin.com/in/claybavor/. Bret currently serves as Board Chair of OpenAI. Previously, he was co-CEO of Salesforce (which had acquired the company he founded, Quip) and CTO of Facebook. Bret was also one of Google's earliest product managers and co-creator of Google Maps. Before founding Sierra, Clay spent 18 years at Google, where he most recently led Google Labs. Earlier, he started and led Google’s AR/VR effort, Project Starline, and Google Lens. Before that, Clay led the product and design teams for Google Workspace. WHAT YOU'LL DO As an Agent Strategist https://sierra.ai/blog/agent-strategist-your-phd-in-applied-ai, you own how Sierra's AI agents come to life for our customers — from first pilot to a production agent handling thousands of conversations a day. You sit at the intersection of product, building agents and customer-facing work, and stay just as close to the technology as you are to the people you build for. You transform a customer's thorniest, highest-stakes problems into agents that measurably move their business. - Own the Agent Development Life Cycle https://sierra.ai/blog/agent-development-life-cycle. Take agents from initial scope through conversation design, tooling, and evaluation, to launch and continuous iteration in production — translating business goals into an agent that outperforms, and tuning relentlessly until it's the best version of itself in the real world. You'll have real ownership and autonomy over the outcome. - Be the trusted strategic advisor to enterprise leaders. Sit shoulder-to-shoulder with our customers' executives, understand what success actually means to their business, and shape the AI strategy that gets them there. - Partner with the customer's working teams day to day. Run working sessions, troubleshoot the agent as issues come up, and make the calls that keep the build on track for launch. - Directly impact product. Surface unmet needs from your customer work, and feed them back to research and platform to shape where Sierra goes next. EXAMPLE PROJECTS These are the kinds of projects that strategists on our team have worked on recently: - Scope and launch a subscription-retention agent for a large telecommunications or media company that consistently outperforms human agents at saving at-risk customers. - Stand up an agent for a commerce customer that troubleshoots a broken device end-to-end and personalizes product recommendations in the same conversation. - Redesign the conversation flows for a financial services agent so it can handle complex, regulated interactions — and convert a pilot into a multi-team production deployment. See our financial services blog https://sierra.ai/blog/five-ways-to-use-ai-agents-financial-services for examples. - Partner with product on a net-new capability — a new agent architecture or self-service tooling — using a live customer as the design partner. - Define the evaluation and quality bar for a new agent, then use those metrics to drive a measurable lift in outcome https://sierra.ai/blog/outcome-based-pricing-for-ai-agents week over week. WHAT YOU'LL BRING - Customer obsession. Genuine energy being in front of customers — understanding their business and needs, thriving in complex organizations, and building trusted relationships. - Communication. Clear, direct, and persuasive across technical and non-technical audiences. - Strategic problem-solving in ambiguity. Strong analytical and critical-thinking skills to break down complex problems, spot risks early, and adapt as things change fast. - Technical aptitude. Comfortable engaging directly with technical concepts - reading API documentation, understanding data models and system architecture, and following engineering tradeoffs in a design discussion. - Ownership and delivery. A track record of running multiple complex, high-visibility projects at once and driving them to outcomes. EVEN BETTER... - Experience building or deploying AI/LLM agents in production — hands-on with the tools behind them (eval frameworks, agent tooling, RAG, prompt engineering) — working closely with technical counterparts. - You've been a founder, founding team member, or operator — you know how to balance craft, ownership, and speed. - A degree in Computer Science, Engineering, Mathematics, a related technical field, or equivalent practical experience — and/or an MBA or comparable experience at the intersection of technology and business. OUR VALUES - Trust: We build trust with our customers with our accountability, empathy, quality, and responsiveness. We build trust in AI by making it more accessible, safe, and useful. We build trust with each other by showing up for each other professionally and personally, creating an environment that enables all of us to do our best work. - Customer Obsession: We deeply understand our customers’ business goals and relentlessly focus on driving outcomes, not just technical milestones. Everyone at the company knows and spends time with our customers. When our customer is having an issue, we drop everything and fix it. - Craftsmanship: We get the details right, from the words on the page to the system architecture. We have good taste. When we notice something isn’t right, we take the time to fix it. We are proud of the products we produce. We continuously self-reflect to continuously self-improve. - Intensity: We know we don’t have the luxury of patience. We play to win. We care about our product being the best, and when it isn’t, we fix it. When we fail, we talk about it openly and without blame so we succeed the next time. - Family: We know that balance and intensity are compatible, and we model it in our actions and processes. We are the best technology company for parents. We support and respect each other and celebrate each other’s personal and professional achievements. WHAT WE OFFER We want our benefits to reflect our values and offer the following to full-time employees: - Flexible (unlimited) paid time off - Medical, dental, and vision benefits for you and your family - Life insurance and disability benefits - Retirement plan dependent on country of employment - Parental leave - Fertility and family building benefits through Carrot - Lunch, as well as delicious snacks and coffee to keep you energized  - Discretionary benefit stipend giving people the ability to spend where it matters most - Free alphorn lessons These benefits are further detailed in Sierra's policies, may vary by region, and are subject to change at any time, consistent with the terms of any applicable compensation or benefits plans. Eligible full-time employees can participate in Sierra's equity plans subject to the terms of the applicable plans and policies. BE YOU, WITH US We're working to bring the transformative power of AI to every organization in the world. To do so, it is important to us that the diversity of our employees represents the diversity of our customers. We believe that our work and culture are better when we encourage, support, and respect different skills and experiences represented within our team. We encourage you to apply even if your experience doesn't precisely match the job description. We strive to evaluate all applicants consistently without regard to race, color, religion, gender, national origin, age, disability, veteran status, pregnancy, gender expression or identity, sexual orientation, citizenship, or any other legally protected class.

Location: Warsaw, Mazowieckie, Poland; Limassol, Cyprus; Sofia City, Bulgaria Workplace: hybrid Responsibilities: Drive operational excellence across product squads by optimizing delivery processes, governance, and documentation. Coordinate with card scheme/issuing partner (payment provider). Ensure new product initiatives and platform changes are well-defined, compliant, and launch-ready through structured business cases and approval processes. Act as a delivery enabler - removing blockers, coordinating stakeholders, and maintaining the documentation and data foundations needed for rapid, high-quality execution. Partner with Product Owners, Engineers, and Data Analysts to ensure reliable metrics, dashboards, and insights guide decision-making and prioritisation. Track performance post-launch, monitor product stability and adoption, and facilitate continuous improvement through structured feedback loops. Lead planning and operational cadences (KPIs, stand ups, retrospectives), maintaining momentum and alignment across teams. Identify and implement process improvements that enhance delivery speed, quality, and scalability. Drive product strategy by translating operational insights, customer feedback, and market intelligence into future features direction, ensuring delivery execution aligns with strategic priorities and the long-term product vision. Requirements: Degree in STEM or other quantitative fields. Minimum 2 years experience in a high performance environment (fintech, consultancy, investment bank, high-growth tech company, etc.). Minimum 2 years of experience working with debit cards and payments (SWIFT, SEPA, Faster Payments). Experience working with card schemes (Visa, Mastercard). Ability to solve complex problems independently. Deep empathy for customers and commitment to user-centred design without compromise. Strong stakeholder management and communication skills, capable of influencing across functions. Data-driven mindset, able to turn insights into actionable improvements. Strong ownership mentality – proactive, accountable, and execution-focused approach. Nice to have: Experience building or scaling successful products - particularly financial or data-driven - using analytics, customer feedback, and pragmatic judgment. Experience with compliance regulations for card products (onboarding, notifications, restrictions). Experience with fraud monitoring for card transactions.

Location: Birmingham, United States Position Summary The Process Engineer is responsible for the development and delivery of process engineering design packages on time, within budget, and to the highest standards of quality. This role requires technical excellence in process design and coordination, as well as the ability to interface with clients, lead design efforts, and support field execution. Ideal candidates will have broad industrial experience and the versatility to work across multiple sectors within a fast-paced, project-driven EPC environment. Key Responsibilities Promote a culture of safety, incorporating safety-related design principles into all process engineering work. Plan, organize, and oversee process engineering activities, ensuring quality, schedule adherence, and budget performance. Develop process design criteria, PFDs, P&IDs, mass and energy balances, and hydraulic calculations. Specify and size process equipment, prepare data sheets, and assist with bid package development and technical bid evaluations. Coordinate with clients to develop and clarify scope, design requirements, and technical expectations. Interface with project management, construction, and other disciplines (mechanical, electrical, civil, controls) to ensure integrated project delivery. Support estimating and proposal development, providing process scope, deliverables, and preliminary design data. Review vendor documents and reconcile against process design documentation for technical alignment. Perform and check engineering calculations, reports, and design studies to ensure accuracy and compliance with applicable codes and standards. Participate in HAZOPs, design reviews, and constructability sessions to ensure safe, operable, and maintainable designs. Provide field support during construction, startup, and commissioning, including troubleshooting and performance testing. Assist with process optimization and system reliability improvements based on operational feedback. Qualifications Bachelor’s degree in Chemical, Mechanical, or Process Engineering from an accredited institution (Master’s preferred). 5–30+ years of progressive process engineering experience on heavy industrial projects in EPC or plant environments. Demonstrated experience in PFD/P&ID development, heat and material balances, equipment specification, and process simulation. Strong familiarity with industry codes, standards, and safety regulations (ASME, API, NFPA, OSHA). Experience in pulp & paper, chemical, manufacturing, or power facilities strongly preferred. Proficiency with process simulation software (Aspen Plus, HYSYS, AFT Fathom/Arrow, etc.) and design tools (AutoCAD, SmartPlant P&ID, or MicroStation). Excellent communication and leadership skills with the ability to guide junior engineers and collaborate across disciplines. Professional Engineer (PE) registration preferred or ability to obtain. Willingness to travel for project-related activities as required. Compensation and Benefits Competitive compensation based on experience and project role. Full-time employees are eligible for comprehensive benefits, including health, dental, vision, 401(k), and paid time off. Contract roles available for senior professionals seeking project-based flexibility. Why Join Us Contribute to major design/build industrial projects that shape North America’s infrastructure. Join a team recognized for technical excellence, innovation, and construction integration. Thrive in a safety-first culture that values teamwork, accountability, and career development.

Location: Birmingham, United States Position Summary The Mechanical Engineer/Designer is responsible for developing and executing mechanical and piping designs for large industrial facilities. This role involves preparing design deliverables, performing calculations, coordinating with multidisciplinary teams, and supporting field activities during construction and commissioning. Successful candidates will have strong technical experience in equipment design, plant layout, and mechanical systems within an EPC or heavy industrial environment. Key Responsibilities Develop and prepare mechanical design packages including equipment layouts, general arrangements, and detailed drawings. Perform mechanical calculations, such as equipment sizing, stress analysis, and load evaluations. Specify and design process and utility equipment—including pumps, tanks, pressure vessels, heat exchangers, fans, and compressors. Review and interpret PFDs, P&IDs, and vendor drawings to ensure proper integration of equipment and piping systems. Prepare equipment data sheets and technical specifications for procurement and perform technical bid evaluations. Coordinate with process, structural, electrical, and controls teams to ensure system alignment and constructability. Participate in 3D model reviews, design reviews, and HAZOPs as required. Develop installation details and support designs in collaboration with piping and civil teams. Assist with material take-offs (MTOs), cost estimates, and project proposals. Provide field support during construction and startup, including inspection, troubleshooting, and as-built documentation. Ensure all designs adhere to applicable industry codes and standards (ASME, API, ANSI, NFPA, OSHA, etc.). Promote a safety-first mindset and incorporate safe design principles into every project. Qualifications Bachelor’s degree in Mechanical Engineering or equivalent technical degree (Design diploma or Associate’s acceptable for Designer-level roles). 5–30+ years of experience in mechanical engineering or design for heavy industrial projects (EPC preferred). Proficiency in 3D modeling and design tools such as AutoCAD, Plant 3D, CADWorx, SmartPlant 3D, or SolidWorks. Experience developing equipment layouts, piping supports, and mechanical installation details. Strong understanding of rotating and static equipment, material selection, and fabrication methods. Knowledge of industry codes and standards (ASME Section VIII, API 610/650, ANSI, NFPA). Excellent communication skills and ability to work collaboratively with multi-discipline teams. Professional Engineer (PE) license preferred or ability to obtain (for Engineer-level roles). Willingness to travel for field work or construction support as needed. Preferred Qualifications Experience in pulp & paper, chemical, power, or manufacturing facilities. Background in design/build EPC environments. Familiarity with 3D scanning, BIM coordination, or Navisworks Review. Understanding of construction sequencing and field installation methods. Compensation and Benefits Competitive pay based on experience and role. Full-time employees eligible for comprehensive benefits including health, dental, vision, 401(k), and paid time off. Contract roles available for seasoned professionals seeking project-based opportunities. Why Join Us Work on complex, high-value industrial projects across North America. Join a team that integrates engineering and construction expertise for optimal project outcomes. Contribute to a safety-first, collaborative, and innovative work environment.

Location: Hybrid - San Francisco About Vercel: Vercel is the agentic infrastructure company, freeing people and agents to ship what's next. For more than a decade we've helped builders move from idea to production with speed, security, and exceptional developer experience. Now we're scaling our products for both agents and people to ship and run software, built in the open and trusted by OpenAI, PayPal, Ramp, Supreme, and millions of developers worldwide. About the role As a Recruiting Coordinator (this is a contract with a potential to hire position) at Vercel, you will play a pivotal role in our talent acquisition process. You will work closely with our hiring managers and Recruiting team to ensure a seamless and efficient recruitment experience. Your responsibilities will include coordinating interviews, maintaining communication with candidates, utilizing recruiting software like Gem and Greenhouse, and providing exceptional support to our candidates and team. For this position, you need to be based in San Francisco and are willing to go into the office 3 times a week, especially during onsite interviews to help provide a white glove experience. What you'll do Collaborate with hiring teams to understand their recruiting needs and priorities. Schedule and coordinate interviews with candidates, hiring managers, and interviewers, ensuring a smooth and efficient process. Manage candidate communication and provide a positive candidate experience throughout the recruitment process. Utilize recruiting software such as Gem Scheduling and Greenhouse to track candidate progress and maintain accurate records. Assist in the preparation of job descriptions and job postings, ensuring they are clear and attractive to potential candidates. Assist in screening and reviewing candidate resumes and applications when needed. Help with sourcing candidates through various channels, including job boards, social media, and referrals when needed. Learn and adapt to our company's recruitment processes quickly. Provide general administrative support to the Recruiting team and participate in Recruiting initiatives as needed. What you need Based in San Francisco and can go into our office 3 times a week. Minimum of 2 years of experience as a Recruiting Coordinator or in a similar role. Previous experience in a SaaS or tech startup environment is highly preferred. Familiarity with the dynamics and pace of high-growth tech companies. Proficient in using recruiting software such as Greenhouse. Comfortable with applicant tracking systems (ATS) and candidate management tools. Basic understanding of HR databases and recruitment marketing tools. Strong interpersonal skills, with the ability to build relationships and trust with key stakeholders. Exceptional organizational skills, with a keen eye for detail. Ability to manage multiple tasks and prioritize effectively in a fast-paced environment. Proven track record of managing and scheduling interviews seamlessly. Compensation & Benefits: Competitive compensation rate Medical, Dental, Vision Learn and Grow - we provide mentorship and send you to events that help you build your network and skills. (FTE) We will provide you the tech you need to do your role The estimated annual cash salary for this role is $96,000.00 - $125,000.00. Actual salary will be based on job-related skills, experience, and location. The total compensation package may include benefits, equity-based compensation, and eligibility for a company bonus or variable pay program depending on the role. Your recruiter can share more details during the hiring process. Disclosures: Privacy: Please review our Job Applicant Privacy Policy for more information on how we handle your data. Equal Opportunity: Vercel is committed to fostering and empowering an inclusive community within our organization. We do not discriminate on the basis of race, religion, color, gender expression or identity, sexual orientation, national origin, citizenship, age, marital status, veteran status, disability status, or any other characteristic protected by law. Vercel encourages everyone to apply for our available positions, even if they don't necessarily check every box on the job description.

Location: Birmingham, United States Position Summary The Piping Designer is responsible for the layout, modeling, and design of process and utility piping systems for heavy industrial facilities. This position requires strong technical skills, a working knowledge of piping design codes, and the ability to coordinate effectively with multiple engineering disciplines and construction teams. The ideal candidate will have a background in EPC or industrial plant design and be able to translate process requirements into accurate, constructible piping systems and deliverables. Open to anyone in the USA open to rrelocating. Key Responsibilities Develop and prepare 3D piping models, layouts, isometrics, and orthographic drawings for process and utility systems. Work from P&IDs, equipment general arrangements, and vendor drawings to create accurate piping designs. Ensure compliance with project specifications, codes, and standards (ASME B31.1, B31.3, etc.). Develop and maintain equipment layouts, piping plans, and support details in coordination with civil, structural, and mechanical disciplines. Participate in 3D model reviews, design checks, and constructability reviews with engineering and construction teams. Coordinate with process engineers to incorporate design changes and resolve interface issues. Generate material take-offs (MTOs), pipe stress input data, and support drawings as required. Review and reconcile vendor and supplier data with design documents for consistency. Provide field support during construction, including design clarifications and as-built updates. Promote a strong safety culture, incorporating safe design practices into all project work. Qualifications Associate degree, technical diploma, or equivalent combination of education and experience in piping design or mechanical technology. 5–30+ years of experience in piping design for heavy industrial or EPC projects. Proficiency with 3D modeling and design software, such as: AutoCAD Plant 3D CADWorx SmartPlant 3D (SP3D) MicroStation or equivalent Familiarity with piping codes and standards (ASME, API, ANSI). Experience developing isometric drawings, MTOs, and equipment layout plans. Strong understanding of industrial systems, including process piping, steam, condensate, cooling water, compressed air, and other plant utilities. Ability to interpret and coordinate vendor drawings, P&IDs, and mechanical design data. Excellent attention to detail and organizational skills. Effective communication and collaboration across disciplines and project teams. Preferred Qualifications Experience in pulp & paper, power, chemical, or manufacturing facilities. Background in EPC design/build project environments. Knowledge of laser scanning and point cloud integration. Familiarity with BIM coordination tools (Navisworks, Smart Review, etc.). Compensation and Benefits Competitive compensation based on experience and role. Full-time employees receive a comprehensive benefits package including health, dental, vision, 401(k), and paid time off. Contract opportunities available for experienced professionals seeking project-based flexibility. Why Join Us Be part of a team delivering large-scale industrial projects that shape essential infrastructure. Work in an integrated EPC environment with exposure to engineering, procurement, and construction processes. Join a safety-focused, collaborative culture that values innovation, quality, and technical excellence.

Location: San Francisco, CA Workplace: OnSite ABOUT US Sierra is the leading platform for customer-facing AI agents, working with many of the world's biggest brands — including The GAP, Rocket Mortgage, SoFi, Sutter Health, and SoftBank — to transform how they serve customers and grow their businesses. We are primarily an in-person company based in San Francisco, with growing offices across North America, Europe, and Asia. We are guided by a set of values that are at the core of our actions and define our culture: Trust, Customer Obsession, Craftsmanship, Intensity, and a commitment to balancing Family along the way. These values are the foundation of our work, and we are committed to upholding them in everything we do. Our co-founders are Bret Taylor https://www.linkedin.com/in/brettaylor/ and Clay Bavor https://www.linkedin.com/in/claybavor/. Bret currently serves as Board Chair of OpenAI. Previously, he was co-CEO of Salesforce (which had acquired the company he founded, Quip) and CTO of Facebook. Bret was also one of Google's earliest product managers and co-creator of Google Maps. Before founding Sierra, Clay spent 18 years at Google, where he most recently led Google Labs. Earlier, he started and led Google’s AR/VR effort, Project Starline, and Google Lens. Before that, Clay led the product and design teams for Google Workspace. WHAT YOU'LL DO As a Software Engineer on our Site Reliability team at Sierra, you will be responsible for defining and building the foundation of reliability, observability, and scalability across Sierra’s AI-driven infrastructure. You’ll partner closely with our core engineering and product teams to ensure our systems are highly available, efficient, and built for growth. - Own Sierra’s observability stack—monitoring, alerting, logging, and tracing—to give engineers clear visibility into system health and performance. - Partner with product and platform engineers to design systems that are reliable and scalable from day one—not as an afterthought. - Design and implement scalable, reliable, and secure cloud infrastructure (AWS) using Terraform and modern DevOps tooling. - Improve the reliability and scalability of our LLM deployments, ensuring robust, performant, and cost-effective operation. - Lead improvements to deployment pipelines, CI/CD tooling, and incident management processes to reduce downtime and response time. - Define the foundation of SRE practices at Sierra, influencing culture, tooling, and best practices across the engineering org. WHAT YOU'LL BRING - 5+ years of hands-on experience in Site Reliability or Infrastructure engineering roles for complex SaaS or cloud-based systems. - Experience designing for availability, scalability, and reliability at both infrastructure and application layers. - Deep experience with Terraform, AWS services, container orchestration, and cloud networking (including IAM and VPC architecture). - Strong background in observability systems (e.g., Prometheus, Grafana, Datadog, or similar). - Experience working with enterprise customers and familiarity with their compliance and networking needs along with integration patterns. - Comfortable working in fast-moving environments and collaborating across product, ML, and core engineering teams. - Degree in Computer Science or a related field, or equivalent professional experience. EVEN BETTER... - Experience with LLM infrastructure — optimizing inference performance, managing fine-tuned models, or large-scale model deployment. - Past experience in an early-stage startup environment, especially defining SRE culture and tooling from scratch. - Familiarity with incident management automation or self-healing infrastructure patterns. OUR VALUES - Trust: We build trust with our customers with our accountability, empathy, quality, and responsiveness. We build trust in AI by making it more accessible, safe, and useful. We build trust with each other by showing up for each other professionally and personally, creating an environment that enables all of us to do our best work. - Customer Obsession: We deeply understand our customers’ business goals and relentlessly focus on driving outcomes, not just technical milestones. Everyone at the company knows and spends time with our customers. When our customer is having an issue, we drop everything and fix it. - Craftsmanship: We get the details right, from the words on the page to the system architecture. We have good taste. When we notice something isn’t right, we take the time to fix it. We are proud of the products we produce. We continuously self-reflect to continuously self-improve. - Intensity: We know we don’t have the luxury of patience. We play to win. We care about our product being the best, and when it isn’t, we fix it. When we fail, we talk about it openly and without blame so we succeed the next time. - Family: We know that balance and intensity are compatible, and we model it in our actions and processes. We are the best technology company for parents. We support and respect each other and celebrate each other’s personal and professional achievements. WHAT WE OFFER We want our benefits to reflect our values and offer the following to full-time employees: - Flexible (unlimited) paid time off - Medical, dental, and vision benefits for you and your family - Life insurance and disability benefits - Retirement plan dependent on country of employment - Parental leave - Fertility and family building benefits through Carrot - Lunch, as well as delicious snacks and coffee to keep you energized  - Discretionary benefit stipend giving people the ability to spend where it matters most - Free alphorn lessons These benefits are further detailed in Sierra's policies, may vary by region, and are subject to change at any time, consistent with the terms of any applicable compensation or benefits plans. Eligible full-time employees can participate in Sierra's equity plans subject to the terms of the applicable plans and policies. BE YOU, WITH US We're working to bring the transformative power of AI to every organization in the world. To do so, it is important to us that the diversity of our employees represents the diversity of our customers. We believe that our work and culture are better when we encourage, support, and respect different skills and experiences represented within our team. We encourage you to apply even if your experience doesn't precisely match the job description. We strive to evaluate all applicants consistently without regard to race, color, religion, gender, national origin, age, disability, veteran status, pregnancy, gender expression or identity, sexual orientation, citizenship, or any other legally protected class.

Location: US / Remote Workplace: remote About the Company One of the fastest-growing and most trusted companies in blockchain security, CertiK is a true market leader. To date, CertiK has worked with over 4,798 clients, secured over $597 billion worth of digital assets, and has monitored over 17,000 projects. Our clients include leading projects such as Aave, Polygon, Yearn, and Chiliz.   Investors = Insight Partners, Sequoia, Tiger Global, Coatue Management, Lightspeed, Advent International, SoftBank, Hillhouse Capital, Goldman Sachs, Shunwei Capital, IDG Capital, Wing, Legend Star, Danhua Capital and other investors.   About the Role We are seeking an experienced Solidity Compiler Frontend Engineer to join our team working on cutting-edge blockchain compiler infrastructure and formal verification tools. You will participate in developing and optimizing the frontend components of Solidity compilation pipelines, with a focus on static analysis, type checking, and integration with formal verification systems. Responsibilities Design and implement frontend components for the Solidity compiler, including lexical analysis, parsing, AST generation, and semantic analysis. Optimize compiler performance and improve error reporting and diagnostics. Develop integration layers between the Solidity compiler and formal verification tools. Contribute to the evolution of Solidity language features and specification. Collaborate with security researchers to implement static analysis and security checks. Maintain and improve existing compiler infrastructure and tooling. Requirements 3+ years of professional experience in Solidity compiler development or related compiler projects (e.g., EVM-based languages, smart contract compilers) Strong proficiency in Java with deep understanding of Java based compiler development and optimization Solid foundation in compiler theory, including parsing techniques, type systems, and intermediate representations Experience with formal methods or formal verification tools (e.g., SMT solvers, theorem provers, or verification frameworks) Strong understanding of the Ethereum Virtual Machine (EVM) and smart contract execution models Excellent problem-solving skills and attention to detail Preferred Qualifications Experience with LLVM or similar compiler infrastructure Knowledge of programming language semantics and type theory Contributions to open-source compiler projects Experience with Solidity or other blockchain programming languages What We Offer Opportunity to shape the national conversation on blockchain and security. Collaborate with industry-leading security researchers, technologists, and global institutions. Flexible work environment and mission-driven culture. Compensation: If the role is performed in the US, the target annual compensation is $140,000 - $220,000. The exact compensation at which this job is filled will be determined by the skills and experience of qualified candidates.   #blockchain #startups #hiring   CertiK accepts applications for this position on an ongoing basis.   CertiK is proud to offer medical, vision, and dental insurance, 401(k) plan with company matching, life and accidental death and dismemberment insurance, HSA (with high deductible plan), FSA, and other benefits to all full-time employees, along with flexible paid time off and holidays. CertiK also offers a variable commission program for business development sales roles.   In compliance with federal law, all persons hired will be required to verify identity and eligibility to work in the United States and to complete the required employment eligibility verification form upon hire.   CertiK is proud to be an equal opportunity employer. We will not discriminate against any applicant or employee on the basis of age, race, color, creed, religion, sex, sexual orientation, gender, gender identity or expression, medical condition, national origin, ancestry, citizenship, marital status or civil partnership/union status, physical or mental disability, pregnancy, childbirth, genetic information, military and veteran status, or any other basis prohibited by applicable federal, state or local law.   CertiK will consider for employment qualified applicants with criminal histories in a manner consistent with local and federal requirements. https://www.eeoc.gov/sites/default/files/migrated_files/employers/poster_screen_reader_optimized.pdf   All CertiK employees are expected to actively support diversity on their teams, and in the Company.

Location: Riyadh, Saudi Arabia Müller's Solutions is looking for a passionate and knowledgeable AI Specialist to join our team. In this role, you will be responsible for researching, developing, and implementing AI solutions that address specific business challenges. You will work closely with other departments and stakeholders to identify areas where AI can enhance operations and improve decision-making processes. Key Responsibilities: • Work closely with clients to comprehend their business challenges and discover opportunities for AI-enhanced solutions. • Convert client requirements into technical problem statements and implementable project strategies. • Clearly articulate intricate AI and data insights in a manner that is understandable to non-technical stakeholders. • Transform analytical results into valuable business insights and strategic recommendations. • Create engaging visualizations, reports, and presentations to aid client decision-making. • Keep abreast of new AI technologies (such as GenAI, large language models, and computer vision) and evaluate their relevance to business needs. • Engage in workshops, training sessions, and client demonstrations to showcase AI capabilities. • Capable of designing AI use cases that align with the business needs of clients. • Collaborate with clients to tackle complex business challenges and create AI-driven solutions that yield measurable returns on investment. Requirements • Bachelor's degree in Data Science, Computer Science, Artificial Intelligence, Mathematics, Statistics, or related disciplines. • Proficient in analyzing data and recognizing patterns. • Experience in predictive modeling and analytics driven by artificial intelligence. • Strong critical thinking skills with a hypothesis-based methodology. • Effective communication skills and ability to foster relationships. Benefits Why Join Us: Competitive salary + performance-based incentives . Be part of a fast-growing AI consulting leader in the MENA region. Work on high-impact projects with governments and top enterprises. Career growth opportunities in AI and digital transformation leadership . Collaborative, innovative, and entrepreneurial culture.

Location: Ukraine; Poland; Georgia; Armenia; Moldova, Republic of Intetics Inc. is a leading American technology company providing custom software application development, distributed professional teams creation, software product quality assessment, and “all-things-digital” solutions built with SMAC, RPA, AI/ML, IoT, blockchain, and GIS/UAV/LBS technologies, is looking for a Senior PHP Developer to enrich its team with a skilled professional to spread the company’s ideas, vision, content, and messages. Responsibilities Design, develop, and test complex web applications using PHP and related technologies. Provide technical guidance and support to team members, including code reviews and knowledge sharing. Collaborate with cross-functional teams to define, design, and ship new features and functionality. Ensure the quality, performance, and scalability of our solutions through automated testing and continuous integration. Participate in the full software development life cycle, including planning, execution, and maintenance. Proactively identify and resolve technical issues and bugs. Stay up-to-date with emerging trends and technologies in web development. Requirements Bachelor's degree in Computer Science or a related field. At least 5 years of experience developing web applications using PHP and related technologies. Strong proficiency in PHP, MySQL, HTML5, CSS3, and JavaScript. Experience with Laravel or a similar PHP framework. Knowledge of front-end frameworks such as React, Angular, or Vue.js. Familiarity with Git and Agile development methodologies. Excellent written and verbal communication skills in English.

Location: Ukraine; Moldova, Republic of; Poland; Armenia; Germany Intetics, a leading global technology company providing custom software application development, distributed professional teams, software product quality assessment, and “all-things-digital” solutions, is looking for JavaScript Developer to enrich its team with a skilled professional to spread the company’s ideas, vision, content and messages. About the Project: The product is a web-based, artificially intelligent assessment and learning system. It uses adaptive questioning to quickly and accurately determine what a student knows or doesn’t know in a course. Ground-breaking technology was developed by a team of software engineers, mathematicians, and cognitive scientists with the support of a multi-million-dollar grant from the National Science Foundation. The system instructs the student on the topics he/she is most ready to learn. As a student works through a course, the system periodically reassesses the student to ensure that the issues learned are also retained. The learning courses are very complete in their topic coverage and avoid multiple-choice questions. A student who shows a high level of mastery of a system will be successful in the actual course he/she is taking. The process is predictable and well-planned. SCRUM is used as a methodology. Responsibilities: Design, develop, debug, maintain, and testing of software applications; Integrate new features and tools into the product, including features and tools developed by others, using such computer languages as JavaScript, HTML5, CSS, SVG, SQL, XML, JSON, and other general-purpose computer languages; Review and accurate development against business requirements; Follow established processes including SDLC, QA, performance optimization, and others Defend code and applied patterns in code reviews; Document technical changes and additions. Requirements 3-5+ years of experience in commercial development Strong background in pure JavaScript. Experience developing dynamic web applications utilizing JavaScript, HTML 5, CSS, SQL, and Ajax. Strong problem-solving and communication skills Experience working on cross-browser platforms. Self-motivated, self-critical, very attentive to detail, self-learner. Upper-intermediate English level. Benefits Work in the exciting domain: e-Learning Business trips to Los Angeles (optionally) Work directly with the core development team Everyday English practice.

Location: United States, San Diego, CA Why Sony Interactive Entertainment? Sony Interactive Entertainment isn’t just the Best Place to Play — it’s also the Best Place to Work. Sony Interactive Entertainment (SIE) is the company behind the PlayStation brand. As a subsidiary of Sony Group Corporation, we’re part of a proud legacy of innovation and excellence. SIE is a dynamic technology company, delivering cutting-edge hardware and network services to more than 100 million people and an entertainment leader, home to some of the most beloved and recognizable intellectual properties (IP) in the world. Our role at SIE is to create and nurture the experiences under the PlayStation brand, a name synonymous with entertainment excellence and creativity. Staff Portfolio Manager San Diego, CA We are seeking an experienced leader with expertise in portfolio management to join our Strategic Portfolio Management (SPM) team within the Program Management Office at PlayStation. The Staff Portfolio Manager is responsible for developing and managing processes and procedures to effectively lead the portfolio management capability. This includes prioritizing and executing the portfolio, as well as monitoring and reporting on its overall health and status. This position has a reliance on a matrix of executives and function leaders to advance the strategic portfolio goals and objectives according to commitments, schedules and measurable outcomes. Given the inter-departmental dependencies and shared resources in delivering projects, the position serves within a complex accountability structure.  The ideal candidate is a highly responsible, self-directed individual who can work effectively in a matrixed environment. Responsibilities: Portfolio Management Develop and maintain Portfolio Management standards, processes, tools, and templates. Communicate portfolio information to a wide variety of audiences, including different job levels and functional areas. Maintain the portfolio program and resource capacity models. Understand key alignments and interdependencies across programs within portfolio, partnering with Platform Business leaders to address cross-initiative issues. Act as steward for change management within top priority initiatives, as defined by portfolio governance. Continuously improve portfolio management processes based on feedback from key stakeholders. Portfolio Analytics and Reporting Build and maintain the processes for data collection to drive portfolio reporting capabilities and data-driven decisions. Provide analysis on the portfolio and create reports for senior management. Ensure reporting aligns with portfolio management best practices and tracks the overall health of the in-flight program portfolio. Develop and evolve the portfolio resource planning and tracking models as needed. Intake and Prioritization Develop a program intake and prioritization process, including prioritization criteria models and support for reviewing new requests throughout the year. Facilitate the project intake and prioritization process, ensuring alignment with annual business planning and strategic priorities. Continuously update intake criteria to understand the impact of program additions or changes on resources, capacity, sequencing, and delivery. Understand interdependencies across programs and initiatives. Governance Develop and facilitate portfolio governance processes, including operational frameworks and cadences to drive standardization and promote active governance of the portfolio. Qualifications: 12+ years’ direct or related work experience leading complex program portfolios in gaming, technology, consumer electronics, or related field Bachelor’s degree in related field or equivalent experience Expertise in portfolio management, including tools and methodologies Highly organized, dedicated, team player that takes initiative and can influence outcomes autonomously in a matrix organization Excellent communication and presentation skills, capable of successfully communicating with all levels of the organization Strong interpersonal and stakeholder management skills Ability to work in a fast-paced environment and manage multiple priorities Strong analytical, problem-solving skills Experience working in a global company and team preferred. At SIE, we consider several factors when setting each role’s base pay range, including the competitive benchmarking data for the market and geographic location. Please note that the base pay range may vary in line with our hybrid working policy and individual base pay will be determined based on job-related factors which may include knowledge, skills, experience, and location. In addition, this role is eligible for SIE’s top-tier benefits package that includes medical, dental, vision, matching 401(k), paid time off, wellness program and coveted employee discounts for Sony products. This role also may be eligible for a bonus package. Click here to learn more. The estimated base pay range for this role is listed below. $173,000 — $259,400 USD Please note, Sony Interactive Entertainment conducts background checks at the offer stage for all new employees (which may include criminal background checks for some roles) and will need to process personal information to support these checks. Please refer to our Candidate Privacy Notice for more information about what personal information we collect, how we use it, who we share it with, and your data protection rights. Equal Opportunity Statement: Sony is an Equal Opportunity Employer. All persons will receive consideration for employment without regard to gender (including gender identity, gender expression and gender reassignment), race (including colour, nationality, ethnic or national origin), religion or belief, marital or civil partnership status, disability, age, sexual orientation, pregnancy, maternity or parental status, trade union membership or membership in any other legally protected category. We strive to create an inclusive environment, empower employees and embrace diversity. We encourage everyone to respond. Sony Interactive Entertainment is a Fair Chance employer and qualified applicants with arrest and conviction records will be considered for employment.

Location: Montreal; Canada; Baku Workplace: remote ABOUT YOU   We are looking for a strategic and hands-on Software Development Director to lead our global software engineering function. You will drive the execution of high-impact technical initiatives and oversee multiple development teams delivering scalable, secure, and innovative products that serve millions of users worldwide.   The ideal candidate is an inspiring leader with deep technical acumen and a proven track record of managing distributed engineering teams. You understand how to balance speed with quality, coach engineering leaders, and foster a culture of accountability, innovation, and excellence.   If you're passionate about driving large-scale software development in a dynamic, product-led environment, and want to shape the future of a growing technology company, we’d love to hear from you.   ABOUT US   Xsolla is a global commerce company with robust tools and services to help developers solve the inherent challenges of the video game industry. From indie to AAA, companies partner with Xsolla to help them fund, distribute, market, and monetize their games. Grounded in the belief in the future of video games, Xsolla is resolute in the mission to bring opportunities together, and continually make new resources available to creators. Headquartered and incorporated in Los Angeles, California, Xsolla operates as the merchant of record and has helped over 1,500+ game developers to reach more players and grow their businesses around the world. With more paths to profits and ways to win, developers have all the things needed to enjoy the game. For more information, visit xsolla.com. Responsibilities: Define and execute the engineering strategy in alignment with company objectives. Provide architectural and organizational guidance to ensure long-term scalability and success. Lead, mentor, and develop multiple engineering teams, including team leads and senior developers. Establish clear goals and create growth opportunities across a global, distributed team. Ensure high-quality, timely delivery of product and platform initiatives. Continuously optimize workflows, development methodologies, and technical decision-making. Guide the evolution of system architecture, ensuring scalability, performance, and maintainability. Champion the adoption of modern technologies and development practices. Partner closely with Product, QA, DevOps, and executive stakeholders to align priorities, define technical requirements, and maintain a shared roadmap. Identify and mitigate risks across the development lifecycle. Promote best practices in observability, security, testing, and release management. Foster a high-performance culture grounded in transparency, continuous improvement, and a shared commitment to quality and innovation. Qualifications & Skills: 10+ years of experience in software development, including 5+ years in engineering leadership roles. Proven success leading large-scale, cross-functional engineering teams in complex, high-growth environments. Strong expertise in modern architectures, cloud infrastructure (AWS, GCP, or Azure), and microservices. Deep understanding of Agile development methodologies, CI/CD practices, and engineering metrics. Experience managing distributed teams and scaling organizations across multiple geographies. Strong communication and stakeholder management skills, capable of interfacing with technical and non-technical leaders alike. Sharp decision-making and problem-solving ability in high-stakes environments. Fluent in English (written and verbal). Nice to Have: Experience in the gaming, fintech, or platform-as-a-service industries. Familiarity with payments infrastructure, user-facing APIs, or developer tools. Master's degree in Computer Science, Engineering, or related field. Certifications in cloud technologies, Agile practices, or technical leadership. Benefits:We are passionate about fostering a supportive environment for our team, so we prioritize the physical, mental, and emotional well-being of our employees and their families through a comprehensive Benefits Program. This includes medical, dental, and vision, PTO, and a personalized career roadmap for each employee. By investing in professional development through training and educational opportunities, we ensure that our team thrives both personally and professionally. Together, we’re not just building a business; we’re cultivating a community that values creativity, collaboration, and the transformative power of play.    Equal Employment Opportunity Statement: Xsolla is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. We do not discriminate based on race, color, religion, sex, national origin, age, disability, sexual orientation, gender identity, or any other characteristic protected by law. We consider qualified applicants with criminal histories in accordance with the Fair Chance Act.   Criminal History Consideration: For the Software Development Director, we will conduct a background check that may include the following: Criminal history check Employment verification Education verification   Relevance to Job Responsibilities: The background check is relevant to this position because of the following role responsibilities: Accessing confidential company data Ensuring compliance with regulatory requirements   Rights Under the Fair Chance Act: Applicants are encouraged to inquire about their rights under the Fair Chance Act. If you have questions regarding our hiring practices, please contact careers@xsolla.com.

Location: Remote: United States; Remote: Canada Workplace: Remote At Render, we’re building the modern cloud platform for developers creating AI-native, full-stack, multi-service applications. Our mission is to eliminate the tradeoff between the power of hyperscalers and the simplicity of developer-friendly platforms—so teams can ship fast, scale reliably, and focus on their product, not infrastructure. Unlike complex hyperscalers or ephemeral edge/serverless solutions, Render offers a developer-first experience with persistent compute, dynamic autoscaling, built-in orchestration, and observability, allowing teams to launch, scale, and manage real-world applications without writing infrastructure code or managing servers. Whether you're building LLM-powered applications, scalable SaaS products, or async processing pipelines, Render empowers teams to move fast and scale confidently from MVP to millions of users. Our platform is trusted by over 7 million developers worldwide and continues to grow rapidly. In February 2026, we raised an additional $100M in Series C financing, bringing our total funding to $260M, to accelerate our vision of making cloud infrastructure both powerful and intuitive—designed for the speed of modern AI development. We’re a diverse and talented team that values craft, velocity, and user experience. If you’re excited to help shape the future of the intelligent cloud and empower developers everywhere, we’d love to hear from you. APPLYING TO RENDER We're seeking candidates who possess high integrity, humility, and an insatiable drive to learn. Through reasoned discussions and continuous feedback, we strive to improve both individually and collectively. We foster an environment of mutual trust and respect, empowering effective debate to achieve the best outcomes for our customers and team. We especially encourage members of underrepresented groups in the tech community to apply and understand that not all successful candidates will meet each requirement listed. Our interview process is unique to each role, and we value the candidate experience just as much as our customer experience. We hope your conversations with us reflect a thoughtful process that is illuminative, enjoyable, and respectful of your time. ABOUT THE ROLE Render's mission is to eliminate the undifferentiated work that goes into building software products by offering an easy-to-use, powerful cloud platform for developer teams of all sizes. We are scaling rapidly. Our customers have created hundreds of thousands of services on our platform, and the numbers continue to accelerate. Our customers trust us to deliver a secure, reliable and performant cloud — this is our top priority as a company. By joining us at an early stage, you will design and build the cloud platform you've always wanted for yourself, and make decisions that will shape our product and company, directly impacting developers around the globe. We are looking for engineers with deep specialization in cloud infrastructure. We are particularly interested in experience with container orchestration, low-level networking, and storage management. Areas of focus will be improving our architecture to schedule & spin up containers orders of magnitude faster, develop offerings to support our customers' growing AI workloads, improving the performance of and adding new features to our internal traffic routing & load balancing, and building low-level primitives to enable our users to massively parallelize data processing workloads. WHAT YOU'LL DO - Own Render's core infrastructure across multiple data centers and regions. - Help offer unique capabilities to Render customers through infrastructure innovation. - Plan and architect for rapidly increasing scale. - Debug issues at all levels in our infrastructure stack. - Improve the performance and reliability of our infrastructure through increased observability, load testing, and chaos engineering. - Collaborate with other engineers to help keep our platform stable, predictable, and secure. - Participate in our on-call rotation, with the rest of the engineering team. WHAT WE'RE LOOKING FOR - At least 5 years of experience building and scaling cloud infrastructure. - Experience developing, maintaining, and debugging production systems at scale. - Experience building, operating and scaling Kubernetes clusters or similar resource/container orchestration. - Experience with infrastructure-as-code tools like Terraform, Pulumi, and Ansible. NICE-TO-HAVES - Experience with Linux kernel and/or container optimization - Familiarity with observability tools like Datadog, Grafana, and OpenTelemetry. - Experience hosting PostgreSQL (or similar data stores) at scale. - Security hardening skills, especially in the context of untrusted workloads. RELEVANT LINKS FROM THE RENDER ENGINEERING TEAM - SEV0 SF 2025 | Boundary Cases: Technical and social challenges in cross-system debugging https://www.youtube.com/watch?v=d4hAyzmBNXk - Kubernetes Informers are so easy... to misuse! https://render.com/blog/kubernetes-informers - How Render Scaled Knative to 100k+ Web Apps https://render.com/blog/knative - Distributing Global State to Serve over 1 Billion Daily Requests https://render.com/blog/distributing-global-state-to-serve-over-1-billion-daily-requests - How Render Enforces Access Controls with Go Generics https://render.com/blog/how-render-enforces-access-controls-with-go-generics - Breaking down OpenAI's outage: How to avoid a hidden DNS dependency in Kubernetes https://render.com/blog/a-hidden-dns-dependency-in-kubernetes If this role excites you but you don’t meet every single requirement, we’d still love to hear from you—your unique experience might be just what we need. BENEFITS - 4 weeks of paid vacation. - 14 weeks of fully paid parental leave for all parents to bond with a newly born, adopted, or fostered child. We will also work with you to create a supportive plan of return. - Long-term disability, life insurance, and 401K plans. - 100% employer-paid medical coverage and 99% employer-paid dental and vision coverage for you and a dependent. FSAs and HSAs are available as well. - Monthly lifestyle stipend for wellness, mental health and therapy, hobbies, etc. - Monthly cell phone and internet subsidy. - Commuter benefits for Renders in the Bay Area, and home office stipends for remote Renders. - Continuous learning benefits & related support. This position is generally not eligible for new visa sponsorship. At Render's discretion, the business may sponsor existing visa transfers. Applicants who require sponsorship must receive business authorization. Render is an equal-opportunity employer. We know that employing a team rich in diverse thoughts, experiences, and opinions allows our employees, product, and community to flourish. We make all employment decisions including hiring, evaluation, termination, promotional, and training opportunities, without regard to race, religion, color, sex, age, national origin, ancestry, sexual orientation, physical handicap, mental disability, medical condition, disability, gender or identity or expression, pregnancy or pregnancy-related condition, marital status, height and/or weight. We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Please contact us to request accommodation. We encourage all who are interested to apply. We can't wait to hear from you! 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