Lithic is a modern card issuing and processing platform serving over 100 clients including fintechs and platforms for disbursements and spend management. The company is hiring a Senior Software Engineer for the Product Platform team responsible for the foundational API layer used by all Lithic products. The team focuses on API Gateway, Events Platform, API key management and authorization, audit logging, and API norms and versioning strategy.
Задачи:
— Write reliable, secure, and scalable code for Lithic's product platform with minimal technical debt
— Improve system reliability within the team's scope and participate in on-call rotation
— Own projects from planning to launch, including API key management, reliability, audit logging, and search, keeping stakeholders informed
— Lead efforts to improve systems and processes within the team
Требования:
— 4+ years of experience building production backend systems, ideally including public-facing APIs at scale
— Experience or desire to learn Rust; ability to understand systems written in Python and Java
— Interest and experience in leveraging AI tools to enhance productivity
— Ability to navigate ambiguity, align diverse perspectives, and drive practical solutions
— Experience with API design fundamentals and product thinking including versioning, backward compatibility, schema-driven development, and customer perspective tradeoffs
— Comfort designing systems from scratch and owning end-to-end product development
— Strong written communication skills and experience working in a remote, asynchronous team across time zones
Условия:
— Remote position for candidates located in USA, Canada (Ontario or British Columbia), Netherlands, Poland, or Czech Republic; no visa sponsorship
— Annual salary range $160,000 to $200,000 plus equity, adjusted by experience during interview
— Benefits for full-time US employees include unlimited PTO, 12-weeks fully paid parental leave, 4-week fully paid sabbatical after 5 years, work from anywhere 4 weeks per year, 3% cashback on card purchases, health/vision/dental insurance with HSA match, 401(k) match, voluntary life insurance and STD/LTD
— NYC-based employees work from SoHo office three days a week with commuter benefits and catered lunch on Tuesdays and Thursdays
Client: A global online sports betting company dedicated to building world-class technology products.
Position overview: An experienced Automation Engineer in Test reporting directly to the Test Manager, working in a small agile team alongside SEITs, DevOps Engineers, and Data Engineers to ensure high-quality delivery.
Responsibilities:
— Design, build, and maintain data and reporting solutions using modern technologies.
— Test and develop Integration layer changes, ensuring user stories meet quality standards.
— Develop and maintain automated test frameworks for ETL, Big Data, API, and database validations.
— Perform comprehensive test analysis and collaborate across cross-functional Agile teams.
Requirements:
— 3+ years of demonstrated experience with validation in Databricks.
— In-depth experience in developing and maintaining automated test suites.
— Proficiency in Python (preferred) and SQL.
— Hands-on expertise with key test frameworks (BDD, Hybrid, PyTest, Allure).
— Strong skills in Database, ETL, Big Data, and API validations.
— Experience with CI/CD tools (Jenkins, GitHub Actions) and source control (Git).
— Familiarity with AWS infrastructure and storage technologies (AWS, Databricks, S3, DynamoDB, Delta Lake, SQL).
— Solid background in Agile ways of working.
Nice to have:
— Experience with streaming technologies (AWS Kinesis, Apache Kafka, Amazon MSK).
— Familiarity with direct query engines (AWS Athena, Presto, Databricks SQL).
— Experience using Jira and XRAY for test management.
— Exposure to monitoring tools (Prometheus, Alert Manager, Grafana Loki).
What We Offer:
— Vacation days: Up to 26 business days per year.
— 10 illness/special days off per year (fully paid, no medical papers needed) for all contract types.
— Health and life insurance (Luxmed).
— MyBenefit platform with Multisport option.
— Internal psychological support service.
— English language classes from the first working day.
— Access to external learning platforms: O’Reilly, LinkedIn Learning, Udemy, and a wide catalog of diverse internal training.
— Flexible workplace: work from the office, from home, or choose a hybrid option.
— Tech Skills Mentoring Program.
— Opportunities to develop as a public speaker, mentor, or technical interviewer.
— Fully paid idle (bench) when not involved in a project.
— Certification reimbursement (AWS, GCP, Microsoft, etc.).
About us: Proxify connects top developers worldwide with opportunities. Since launch, Proxify developers have worked with 1200+ clients and 5000+ developers trust the network. Proxify supports remote full-time jobs with high ratings on Glassdoor and Trustpilot.
The Role: Seeking a Senior QA Automation Engineer to be the primary architect of quality assurance strategy for a high-growth client team. Responsibilities include building scalable automation frameworks, defining test strategies, selecting tools, and integrating automated suites into CI/CD pipelines. The role is for a "Developer in Test" focused on building safety nets for confident code shipping.
What we are looking for:
— 5+ years in test automation with expertise in Playwright, Cypress, or Selenium
— Ability to write clean, maintainable test code in TypeScript/JavaScript, Python, or Java
— Experience building and scaling automation frameworks (Page Object Model, Screenplay Pattern)
— Extensive experience testing RESTful and GraphQL APIs using Postman, SuperTest, or RestAssured
— Hands-on integration of automated tests into pipelines using GitHub Actions, GitLab CI, or Jenkins
— Mobile automation experience with Appium or Maestro is a significant advantage
— Familiarity with performance testing tools like k6 or JMeter
Nice-to-Have:
— Knowledge of Docker for containerized testing
— Experience with Visual Regression testing tools (Percy, Applitools)
— Familiarity with Cloud Testing platforms (BrowserStack, Sauce Labs, AWS Device Farm)
— Background in Security Testing (OWASP principles)
Responsibilities:
— Define automation roadmap and select tools matching client stack
— Write, maintain, and optimize complex end-to-end integration and regression test suites
— Collaborate with Developers and Product Managers to define "Definition of Done" and ensure testability
— Identify, document, and track software defects, working closely with dev team
— Act as "Quality Evangelist" by conducting code reviews for test scripts and sharing best practices
What we offer:
— On-time monthly payments with flexible withdrawal options
— Predictable project hours with consistent 8-hour working days
— Up to 24 flex days off per year without losing pay for full-time positions
— Career-accelerating positions at cutting-edge companies
— Hand-picked opportunities with no typical recruitment roadblocks
— One-time contracting process for multiple opportunities
— Consistent monthly compensation
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Задачи:
- Building and improving Nitro, the core node software that powers Arbitrum
- Designing and optimising systems responsible for transaction execution, state management, and network performance
- Scaling throughput and improving the performance and efficiency of Arbitrum's core infrastructure
- Solving distributed systems challenges across a large-scale blockchain network
- Enhancing reliability, observability, and security across critical infrastructure
- Developing new capabilities for the Arbitrum stack
Требования:
- Experienced Rust engineer with a track record of building production systems
- Comfortable working across distributed systems, infrastructure, and performance-critical applications
- Motivated by solving complex technical problems at scale
- Able to take ownership of projects from technical design through implementation and operation
- Pragmatic, collaborative, capable of making sound engineering trade-offs
- Interested in runtimes, execution environments, WASM, developer tooling, and/or systems programming
- Security-focused mindset
- Nice to have: experience with WASM, familiarity with blockchain infrastructure or smart contract platforms, open source contributions in the Rust ecosystem
Role Overview
The Engineering Product Manager serves as the bridge between Engineering and Game Product teams. This role partners closely with engineering leads and game product managers to understand business and technical needs, gather requirements, evaluate tradeoffs, and develop roadmaps for internal engineering initiatives. The ideal candidate is technically proficient enough to communicate effectively with engineers while translating technical work into clear business value for stakeholders.
Responsibilities
Partner with engineering leads and game product managers to gather requirements, identify opportunities, evaluate tradeoffs, and support roadmap planning for engineering initiatives.
Own and maintain the backlog for internal engineering products and platforms.
Facilitate communication between Engineering, Game Product, QA, Analytics, and other stakeholders to ensure alignment throughout the product lifecycle.
Translate business and technical needs into clear product requirements, user stories, and functional specifications.
Coordinate feature development, project timelines, releases, and stakeholder communications.
Provide recommendations on priorities based on business value, engineering effort, and stakeholder feedback.
Define success metrics and monitor product performance to drive continuous improvements.
Establish and maintain standards for product requirements, documentation, release notes, and user guides to ensure consistency across engineering initiatives.
Facilitate roadmap reviews, planning sessions, and cross-functional meetings.
Identify opportunities to improve internal tools, workflows, and engineering processes.
Qualifications
3+ years of Product Management experience, preferably supporting technical products or engineering teams.
Strong understanding of the software development lifecycle and modern software development practices.
Comfortable discussing technical concepts including Unity, JavaScript, APIs, backend services, cloud infrastructure, mobile applications, and game development.
Ability to understand technical tradeoffs and communicate effectively with both technical and non-technical stakeholders.
Strong organizational, prioritization, and project management skills.
Excellent written and verbal communication skills.
Experience writing product requirements and maintaining product documentation.
Preferred Qualifications
Experience in the mobile gaming industry.
Experience with internal developer tools, SDKs, LiveOps, analytics platforms, or backend systems.
Familiarity with AWS, SQL, REST APIs, or similar technologies.
Previous technical experience is a plus but not required.
About Nebius: Nebius is leading a new era in cloud infrastructure for the global AI economy. We are building a full-stack AI cloud platform that supports developers and enterprises from data and model training through to production deployment, without the cost and complexity of building large in-house AI/ML infrastructure. Built by engineers, for engineers. From large-scale GPU orchestration to inference optimization, we own the hard problems across compute, storage, networking and applied AI. Listed on Nasdaq (NBIS) and headquartered in Amsterdam, we have a global footprint with R&D hubs across Europe, the UK, North America and Israel. Our team of 1,500+ includes hundreds of engineers with deep expertise across hardware, software and AI R&D.
About the role Nebius is building cloud infrastructure and AI platforms used at scale. We are looking for a Senior Product Designer to join the Nebius Console team and lead the design of Compute experiences: complex, high-impact workflows used by technical teams to create, configure, monitor, and manage cloud resources. This role is for a designer who enjoys working with complex systems, understands the value of clear interaction models, and can turn technical depth into intuitive, reliable product experiences.
What you'll do
Own end-to-end design for Compute features in Nebius Console, from discovery and problem framing to delivery, launch, and iteration.
Design clear, scalable workflows for complex cloud infrastructure scenarios, including resource creation, configuration, management, monitoring, and troubleshooting.
Translate business goals, technical constraints, and user needs into coherent user journeys, information architecture, and interaction models.
Partner closely with Product Managers, Engineers, Designers, UX Researchers, and other stakeholders throughout the product lifecycle.
Explore and validate design hypotheses through user insights, prototypes, product data, and feedback from internal and external users.
Clearly present design solutions, trade-offs, and rationale to cross-functional teams.
Work closely with engineers during implementation to ensure high-quality execution and consistency.
Contribute to the development and maintenance of the design system, improving consistency, usability, and quality across Nebius Console.
Collaborate within a strong design team through reviews, critiques, shared patterns, and design system contributions.
Required qualifications
6+ years of experience as a Product Designer working on digital products.
Strong product thinking and the ability to approach design through connected user scenarios, product goals, and system constraints.
Experience designing complex B2B, SaaS, developer tools, infrastructure, or admin products.
Ability to balance usability, consistency, technical feasibility, and innovation in complex systems.
Strong systems thinking, attention to detail, and ability to work in a structured, systematic way.
Strong proficiency in Figma, including complex flows, components, variants, and interactive prototypes.
Ability to communicate design decisions clearly and constructively with both product and engineering teams.
Nice to have
Experience designing cloud consoles, infrastructure platforms, developer tools, or other technically complex products.
Familiarity with cloud concepts such as virtual machines, compute resources, networking, storage, quotas, permissions, or monitoring.
Experience with UX research, usability testing, customer interviews, or feedback analysis.
Ability to communicate effectively with engineers using basic HTML, CSS, and JavaScript terminology.
Experience working with design systems at scale.
What we offer
Competitive salary and a comprehensive benefits package.
A clear and meaningful area of ownership within one of the core parts of the cloud platform.
Opportunities for professional growth as the product, design team, and platform scale.
Flexible work arrangements, with hybrid and remote options depending on location
A collaborative, product-focused environment with close design–engineering partnership.
A strong design team with space for thoughtful critique, shared standards, and high-quality product work.
Perks and culture
Benefits & Perks: Competitive compensation
Career growth and learning opportunities
Flexibility and ownership
Collaborative and innovative culture
Opportunity to work on impactful AI projects
International environment and talented teams
If you enjoy designing complex products, working closely with engineers, and turning technical infrastructure into clear and reliable user experiences, we would be glad to hear from you!