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Location: Riyadh, Saudi Arabia Müller's Solutions is seeking a highly skilled Senior Application and Integration Expert who is a Saudi National to join our dynamic team. In this role, you will be instrumental in architecting, designing, and implementing integrated application solutions that align with our clients' strategic objectives. You will leverage your extensive technical expertise to ensure efficient integration between various applications and systems, improving overall operational efficiency and driving digital transformation. Responsibilities: • Lead the design and implementation of application integration strategies and solutions that meet business needs. • Analyze and define integration requirements and create integration architecture documentation. • Collaborate with cross-disciplinary teams to streamline application connections and workflows. • Provide guidance and best practices on application and integration technologies. • Troubleshoot and resolve integration issues and application performance problems. • Stay updated on new technologies, industry trends, and best practices in application integration. • Mentor junior team members and provide leadership in application integration initiatives. Requirements Requirements: • Bachelor's degree in Computer Science, Information Technology, or a related field. • Minimum of 7 years of experience in application development and integration roles. • Strong knowledge of integration platforms and middleware solutions like SAP PI/PO, Oracle Fusion, or similar technologies. • Proficient in designing and implementing RESTful APIs and web services. • Experience working with various programming languages (e.g., Java, .NET, JavaScript) and application frameworks. • Strong understanding of data formats (e.g., XML, JSON) and communication protocols (e.g., HTTP, MQTT). • Excellent problem-solving skills with the ability to analyze complex integration scenarios. • Exceptional communication skills to articulate technical concepts and collaborate effectively with clients and team members. • Saudi National only. Preferred qualifications: • Master’s degree in a related field. • Relevant certifications in application integration or cloud technologies. • Experience in agile methodologies and project management practices. • Familiarity with cloud-based integrations (e.g., AWS, Azure) is a plus. Benefits Why Join Us: Opportunity to work with a talented and passionate team. Competitive salary and benefits package. Exciting projects and innovative work environment.

Location: Riyadh, Saudi Arabia Müller's Solutions is excited to announce an opening for a Junior Applications and Integration Support Specialist, specifically for Saudi Nationals. In this entry-level role, you will provide essential support for application integrations and assist in troubleshooting technical issues. You will work closely with experienced team members, gaining hands-on experience while helping our clients optimize their application performance and integration processes. Responsibilities: Assist in the implementation and support of application integration solutions. Provide first-line support to clients for application-related inquiries and integration issues. Help troubleshoot technical issues and document resolutions. Monitor application performance and assist in performance tuning. Collaborate with senior team members in the analysis and documentation of system requirements. Participate in training sessions to develop technical skills related to application support and integration. Requirements Requirements: Bachelor’s degree in Computer Science, Information Technology, or a related field. 0-2 years of experience in technical support, applications, or integration roles. Basic understanding of application development frameworks and integration concepts. Familiarity with at least one programming language (e.g., Java, .NET, or Python). Strong problem-solving abilities and a willingness to learn. Effective communication skills to work collaboratively with clients and team members. Saudi National only. Preferred Qualifications: Experience with APIs and web services. Knowledge of SQL and database concepts. Any relevant internships or hands-on projects related to application support or integration. Benefits Why Join Us: Opportunity to work with a talented and passionate team. Competitive salary and benefits package. Exciting projects and innovative work environment.

Location: Riyadh, Saudi Arabia Müller's Solutions is on the lookout for an Emerging Technologies Support Specialist who will play a vital role in providing technical support and guidance for our innovative technology solutions. In this position, you will interact with clients and internal teams to resolve issues related to emerging technologies and ensure that our solutions are effectively implemented and utilized. As an Emerging Technologies Support Specialist, you will leverage your technical knowledge to assist clients in understanding and optimizing technology applications, and provide support for cutting-edge tools and platforms. Key Responsibilities: Provide technical support to clients using emerging technologies, including AI, IoT, and blockchain solutions. Assist in troubleshooting issues and resolving technical problems efficiently. Collaborate with internal teams to identify and document common issues and resolutions. Conduct training sessions and webinars for clients to enhance their understanding of emerging technologies. Stay updated on the latest advancements in emerging technologies to provide informed support. Assist in the development of user guides, FAQs, and documentation for technology solutions. UI/UX testing Requirements Requirements: Bachelor’s degree in Computer Science, Information Technology, or a related field. 2-4 years of experience in technical support or a similar role, preferably in emerging technologies. Familiarity with technologies such as artificial intelligence, IoT, and blockchain. Strong problem-solving skills with the ability to diagnose and resolve technical issues. Excellent communication skills, both written and verbal, to effectively engage with clients and stakeholders. Ability to work independently and as part of a collaborative team. Preferred Qualifications: Experience working with technology support tools and platforms. Basic knowledge of programming or scripting languages. Certifications in any relevant emerging technologies. Benefits Why Join Us: Opportunity to work with a talented and passionate team. Competitive salary and benefits package. Exciting projects and innovative work environment.

Location: Riyadh, Saudi Arabia Müller's Solutions is seeking an Emerging Technologies Expert to join our team, dedicated to exploring innovative technologies that can transform business processes and drive strategic outcomes. This is a unique opportunity for Saudi Nationals to contribute to cutting-edge projects while leveraging the latest technologies to enhance our solutions and services. As an Emerging Technologies Expert, you will analyze, evaluate, and implement new technologies that can initiate significant improvements in our offerings or operational capabilities. Your ability to research and recommend future technologies will play a key role in our competitive strategy. Responsibilities: Stay updated with the latest trends and advancements in emerging technologies, including AI, blockchain, IoT, and more. Conduct in-depth research and analysis on potential technologies to determine their relevance and potential impact on our business. Collaborate with cross-functional teams to identify technology needs and propose innovative solutions. Develop prototypes and proof-of-concepts to validate new technology applications. Prepare and present reports and recommendations to stakeholders and executive leadership. Participate in strategic planning sessions to align emerging technology strategies with business objectives. UI/UX testing Requirements Requirements: Bachelor's degree in Computer Science, Engineering, or a related field. Minimum of 5 years of experience in technology innovation, product development, or related fields. Strong familiarity with emerging technologies such as artificial intelligence, machine learning, blockchain, and IoT. Proven ability to conduct technology assessments and present findings to diverse audiences. Excellent analytical and research skills, with a demonstrated ability to think strategically. Strong communication and collaboration skills to engage effectively with stakeholders at all levels. Saudi National (only candidates of Saudi nationality will be considered for this role). Preferred qualifications: Master’s degree in a relevant field. Experience in managing technology projects or initiatives. Familiarity with cloud technologies and platforms. Relevant certifications in emerging technologies. Benefits Why Join Us: Opportunity to work with a talented and passionate team. Competitive salary and benefits package. Exciting projects and innovative work environment.

Location: Riyadh, Saudi Arabia Müller`s Solutions is seeking a talented Business and Digital Solutions Expert to join our dynamic team. As a pivotal player in our organization, you will be at the forefront of driving innovative solutions that enhance business performance and foster digital transformation. Your role will involve collaborating with clients to understand their unique challenges and equipping them with the technology and strategies needed to thrive in today's competitive landscape. In this position, you will leverage your extensive knowledge and experience in business processes and digital technologies to deliver impactful solutions that align with our clients' objectives. You will be responsible for analyzing operational inefficiencies and designing scalable solutions that empower organizations to achieve their strategic goals. Responsibilities: Analyze clients' business needs and challenges to provide tailored digital solutions. Collaborate with stakeholders to design and implement innovative business process improvements. Utilize data analytics and insights to drive decision-making and optimize performance. Lead workshops and training sessions to educate clients on digital tools and best practices. Conduct feasibility studies and develop business cases for digital initiatives. Monitor industry trends and emerging technologies to identify opportunities for enhancement. Ensure project deliverables are aligned with client expectations and quality standards. Champion change management practices to facilitate smooth transitions to new systems and processes. Requirements Bachelor's degree in Business Administration, Information Technology, or a related field; a master's degree is highly preferred. Proven experience in business consultancy, digital transformation, or process improvement roles. Strong understanding of digital technologies, business processes, and data analytics. Excellent problem-solving and critical-thinking skills to identify solutions to complex challenges. Demonstrated ability to manage projects effectively, ensuring timely delivery and adherence to budgets. Exceptional communication and interpersonal skills for collaborating with diverse teams. Experience in change management methodologies and practices. Ability to work independently and as part of a cross-functional team. Willingness to travel to client sites as required. Benefits Why Join Us: Opportunity to work with a talented and passionate team. Competitive salary and benefits package. Exciting projects and innovative work environment.

Location: Bogotá, Colombia; Mexico City, Mexico; Buenos Aires, Colombia; Lima, Peru; Caracas, Venezuela, Bolivarian Republic of Uptalent.io is seeking a skilled Remote Structural Designer for Metal Buildings to join our innovative team. In this role, you will leverage your expertise in structural design to create efficient and effective designs for various metal building projects. You will collaborate closely with architects, engineers, and construction professionals to ensure projects meet both aesthetic and functional requirements while adhering to all safety and regulatory standards. Your insights and creativity will play a pivotal role in the development of metal building solutions, making this an exciting opportunity for anyone looking to advance their career in structural design. Responsibilities Design and model metal building structures using MBS (Metal Building Software) Develop detailed construction documents, including drawings, specifications, and calculations. Conduct structural analysis to determine load capacities and design requirements. Collaborate with engineering and architectural teams to integrate designs. Review and address any design issues that arise during the project lifecycle. Stay updated with industry standards, codes, and best practices for metal structures. Requirements Bachelor's degree in Civil or Structural Engineering or a related field. Proven experience in designing metal buildings for the U.S Market. Strong proficiency in design software MBS (Metal Building Software) Knowledge of structural analysis techniques and software. Excellent communication skills in English, both verbal and written. Strong ability to collaborate with team members and stakeholders. Detail-oriented, with a focus on accuracy and quality in design work. Project management skills to oversee multiple projects simultaneously. Benefits Work for the most exciting companies in the North American Market. Flexible schedules. Work from anywhere. Highly competitive compensation.

Location: Toulouse, France Turn your passion for luxury into a career opportunity. Explore the world of premium brands and make a lasting impact in fashion, beauty, jewelry, or automobiles. About the Role: As a luxury brand evaluator, you will step into the world of luxury to discreetly assess customer experiences, providing critical feedback that helps brands refine their services. Whether visiting boutiques, purchasing online, or returning a product, your voice shapes the future of luxury. • Flexibility - each in-store visit takes approximately 20 minutes, giving you the flexibility to complete multiple assignments. • Frequent opportunities - perform several missions per month and collaborate with some of the most prestigious brands worldwide. What you will be doing: 1. Choose your assignments - align your missions with your personal preferences and profile. 2. Visit luxury stores or evaluate online - engage with sales associates in the stores or online from the comfort of your home. 3. Observe carefully - check the ambiance, service quality, and overall customer experience. 4. Provide honest feedback - use our platform to share your observations through questionnaires. Perks of the Role: • Collaborate with iconic brands across industries. • Flexible assignments tailored to your interests. • Compensation for your time and input, with the potential for reimbursement on purchases. • A user-friendly platform for managing missions and feedback. How to Join the CXG Community: 1. Register: sign up at live.cxg.com and confirm your email. 2. Complete your profile: fill out your details to 100% and get verified. 3. Get certified: pass the General Certification to access missions. 4. Apply for missions: explore assignments with brands that excite you. 5. Start evaluating: begin making a difference in the luxury market. Compensation: • Non-Purchase Evaluations: Earn a fee based on mission complexity. • Purchase-Based Evaluations: Reimbursement for approved items as stated in the mission brief. About CXG At CXG, we connect premium brands with over 80,000 evaluators across 70 countries. With 12 global offices and almost two decades of CX retail expertise, we’re committed to redefining the customer experience for luxury giants. Join us and enjoy the flexibility of working on the go with our mobile platform, CXG Live. On this platform, you can seamlessly manage missions, certifications, and feedback. Requirements Must be 18 years of age or older. Current customer of premium and luxury brands. Not currently under contract with any retail brands, to ensure impartiality. Punctual, organized, detail-oriented, and reliable. Observant and passionate about customer experience. No prior experience is required; we value honest feedback from genuine customers.

Location: Rennes, France Turn your passion for luxury into a career opportunity. Explore the world of premium brands and make a lasting impact in fashion, beauty, jewelry, or automobiles. About the Role: As a luxury brand evaluator, you will step into the world of luxury to discreetly assess customer experiences, providing critical feedback that helps brands refine their services. Whether visiting boutiques, purchasing online, or returning a product, your voice shapes the future of luxury. • Flexibility - each in-store visit takes approximately 20 minutes, giving you the flexibility to complete multiple assignments. • Frequent opportunities - perform several missions per month and collaborate with some of the most prestigious brands worldwide. What you will be doing: 1. Choose your assignments - align your missions with your personal preferences and profile. 2. Visit luxury stores or evaluate online - engage with sales associates in the stores or online from the comfort of your home. 3. Observe carefully - check the ambiance, service quality, and overall customer experience. 4. Provide honest feedback - use our platform to share your observations through questionnaires. Perks of the Role: • Collaborate with iconic brands across industries. • Flexible assignments tailored to your interests. • Compensation for your time and input, with the potential for reimbursement on purchases. • A user-friendly platform for managing missions and feedback. How to Join the CXG Community: 1. Register: sign up at live.cxg.com and confirm your email. 2. Complete your profile: fill out your details to 100% and get verified. 3. Get certified: pass the General Certification to access missions. 4. Apply for missions: explore assignments with brands that excite you. 5. Start evaluating: begin making a difference in the luxury market. Compensation: • Non-Purchase Evaluations: Earn a fee based on mission complexity. • Purchase-Based Evaluations: Reimbursement for approved items as stated in the mission brief. About CXG At CXG, we connect premium brands with over 80,000 evaluators across 70 countries. With 12 global offices and almost two decades of CX retail expertise, we’re committed to redefining the customer experience for luxury giants. Join us and enjoy the flexibility of working on the go with our mobile platform, CXG Live. On this platform, you can seamlessly manage missions, certifications, and feedback. Requirements Must be 18 years of age or older. Current customer of premium and luxury brands. Not currently under contract with any retail brands, to ensure impartiality. Punctual, organized, detail-oriented, and reliable. Observant and passionate about customer experience. No prior experience is required; we value honest feedback from genuine customers.

Location: Charleroi, Belgium Turn your passion for luxury into a career opportunity. Explore the world of premium brands and make a lasting impact in fashion, beauty, jewelry, or automobiles. About the Role: As a luxury brand evaluator, you will step into the world of luxury to discreetly assess customer experiences, providing critical feedback that helps brands refine their services. Whether visiting boutiques, purchasing online, or returning a product, your voice shapes the future of luxury. • Flexibility - each in-store visit takes approximately 20 minutes, giving you the flexibility to complete multiple assignments. • Frequent opportunities - perform several missions per month and collaborate with some of the most prestigious brands worldwide. What you will be doing: 1. Choose your assignments - align your missions with your personal preferences and profile. 2. Visit luxury stores or evaluate online - engage with sales associates in the stores or online from the comfort of your home. 3. Observe carefully - check the ambiance, service quality, and overall customer experience. 4. Provide honest feedback - use our platform to share your observations through questionnaires. Perks of the Role: • Collaborate with iconic brands across industries. • Flexible assignments tailored to your interests. • Compensation for your time and input, with the potential for reimbursement on purchases. • A user-friendly platform for managing missions and feedback. How to Join the CXG Community: 1. Register: sign up at live.cxg.com and confirm your email. 2. Complete your profile: fill out your details to 100% and get verified. 3. Get certified: pass the General Certification to access missions. 4. Apply for missions: explore assignments with brands that excite you. 5. Start evaluating: begin making a difference in the luxury market. Compensation: • Non-Purchase Evaluations: Earn a fee based on mission complexity. • Purchase-Based Evaluations: Reimbursement for approved items as stated in the mission brief. About CXG At CXG, we connect premium brands with over 80,000 evaluators across 70 countries. With 12 global offices and almost two decades of CX retail expertise, we’re committed to redefining the customer experience for luxury giants. Join us and enjoy the flexibility of working on the go with our mobile platform, CXG Live. On this platform, you can seamlessly manage missions, certifications, and feedback. Requirements Must be 18 years of age or older. Current customer of premium and luxury brands. Not currently under contract with any retail brands, to ensure impartiality. Punctual, organized, detail-oriented, and reliable. Observant and passionate about customer experience. No prior experience is required; we value honest feedback from genuine customers.

Location: Chicago DRW is a diversified trading firm with over 3 decades of experience bringing sophisticated technology and exceptional people together to operate in markets around the world. We value autonomy and the ability to quickly pivot to capture opportunities, so we operate using our own capital and trading at our own risk. Headquartered in Chicago with offices throughout the U.S., Canada, Europe, and Asia, we trade a variety of asset classes including Fixed Income, ETFs, Equities, FX, Commodities and Energy across all major global markets. We have also leveraged our expertise and technology to expand into three non-traditional strategies: real estate, venture capital and cryptoassets. We operate with respect, curiosity and open minds. The people who thrive here share our belief that it’s not just what we do that matters–it's how we do it. DRW is a place of high expectations, integrity, innovation and a willingness to challenge consensus. As an Associate Trade Support Engineer , you’ll have the opportunity to learn and grow while supporting our trading technology. You’ll work closely with trading, infrastructure, and software development teams to keep systems running smoothly. You’ll gain experience working with exchanges, traders, and developers to help resolve technical issues and assist with ongoing improvements. As markets evolve toward 24×7 trading, we’re expanding coverage to ensure our systems run smoothly during high impact periods that extend beyond the traditional Monday–Friday schedule. In this role, you’ll have the opportunity to work a non-traditional 5-day shift, depending on what best fits your schedule. This flexible coverage model allows you to make a critical impact during peak trading hours while enjoying off days during quieter parts of the week. Qualifications & Skills: 1–3 years of experience in trade support, systems administration, site reliability engineering, or a related technical role (internships or projects count!) Bachelor’s degree in Computer Science, Engineering, or related STEM field Basic understanding of networking concepts (TCP/IP, DNS, DHCP) and ability to use common troubleshooting tools Exposure to containerized applications (e.g., Docker, Kubernetes) is a plus Ability to think through and troubleshoot technical problems under time pressure Clear communication skills, written and verbal Familiarity with scripting languages (e.g., Python, Bash, PowerShell) for basic automation tasks Experience with Linux/Unix environments (basic command line skills) What You’ll Be Working On: Keeping trading systems healthy and available by proactively spotting and resolving potential issues Responding to trader and engineer request with both urgency and understanding of the bigger operational context Participating in the onboarding of new desks and systems, thinking ahead about how they’ll fit into the broader ecosystem Learning the trading environment deeply so you can anticipate challenges and suggest improvements What we Value: Intent over Instruction: we’ll share what we’re trying to achieve; you’ll help determine the best way to get there Responsibility and trustworthiness: you follow through and communicate progress and results clearly Continuous learning and adaptability: when conditions change, you adjust while keeping the mission in mind Collaboration: you seek input when needed but are comfortable making informed decisions yourself About You: You enjoy diagnosing problems and thinking creatively about solutions You’re excited about fast-moving environments and want to see your work make an impact quickly You learn by doing and feel comfortable diving into unfamiliar technology Schedule : The shift will be Sunday-Thursday OR Tuesday-Saturday. This position will require working on weekends and providing holiday coverage as needed by the department. The orientation schedule will vary between 09:00-18:30 and 15:00-23:00. After orientation, the permanent shift will be 08:00 – 17:00. The annual base salary range for this position is $85,000 - $125,000, depending on the candidate’s experience, qualifications, and relevant skill set. The position is also eligible for an annual discretionary bonus. In addition, DRW offers a comprehensive suite of employee benefits including group medical, pharmacy, dental and vision insurance, 401k (with discretionary employer match), short and long-term disability, life and AD&D insurance, health savings accounts, and flexible spending accounts. For more information about DRW's processing activities and our use of job applicants' data, please view our Privacy Notice at https://drw.com/privacy-notice . California residents, please review the California Privacy Notice for information about certain legal rights at https://drw.com/california-privacy-notice . #LI-TL

Location: HQ Blockstream https://blockstream.com/ was founded in 2014 by Dr. Adam Back https://en.wikipedia.org/wiki/Adam_Back and a group of fellow cryptographers and engineers passionate about Bitcoin and its potential to change the future of finance. Focusing on building fundamental Bitcoin infrastructure, Blockstream quickly grew into one of the leading technology power houses of the industry. At Blockstream, we’re building solutions on Bitcoin that will disrupt the existing financial system. We imagine a world where individuals and businesses can easily access a global, permissionless system to secure their money, use it every day, and invest it or put it to work. In pursuit of our expansive vision, we’ve built a full stack of innovative products on top of the Bitcoin protocol, from layer-2 projects like Liquid and Core Lightning, to end-user software and hardware wallets like Green and Jade. Our brand stands for innovation in the Bitcoin community, and we’re growing our team to accelerate the future.  In this role, you will develop services that empower people to build dynamic and innovative applications on top of Bitcoin. What You’ll Be Doing (Responsibilities): - Design, implement, test, and support full stack applications, in a continuous integration and deployment environment. - Implement web applications using frameworks such as React or Vue.js - Implement APIs in Python and Rust - Develop and maintain Databases and data applications (SQL and NoSQL)  - Write unit, functional, and integration test automation. What We Look For In You (Required Qualifications): - 5+ years of experience developing full stack applications - Web front ends - HTTP APIs - SQL and DB backends - System programming experience with Rust - 2+ years experience with Python - 2+ years experience with JavaScript and TypeScript - Experience with React or Vue.js - Experience building and supporting distribution infrastructure: Docker, Kubernetes - Excellent communication, team player attitude and collaboration skills - Highly self-motivated, lifetime learner Nice To Haves (Preferred Qualifications): - Experience building on Bitcoin - System programming experience with C++ - Experience working with and deploying on Kubernetes - Experience working with Google Cloud or AWS - Contributions to Open Source Projects and active GitHub profile - Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field (or equivalent experience) 🔒 Stay Safe from Job Scams All official Blockstream communication will come from an @blockstream.com email address. We will never ask you to share sensitive information or purchase equipment during the hiring process. If in doubt, contact us at hr@blockstream.com. Learn more about avoiding job scams here https://consumer.ftc.gov/consumer-alerts/2022/05/want-work-home-spot-scams-first.

Location: Worldwide Workplace: hybrid COLUMBIA SHIPMANAGEMENT is looking for self-motivated and skilled seafarers to join our expanding fleet of Bulkers   JOB DESCRIPTION:   Assist in the cargo operations and maintenance of the vessel. Responsible for the safe and compliant voyage planning and navigational systems. Holder of valid COC (STCW Reg II/1) with verification. Holder of valid STCW certifications required for the position. Good communication and leadership skills. Experience with multicultural working environment. Fluent in written and spoken English language. Safety culture and mindset.   VESSEL'S SPECIFIC REQUIREMENTS   Minimum experience requirements: 6 months in Rank on the same type of vessel. Supramax bulker experience is mandatory. Experience in trading area USA and Australia is recommended.   CONTRACT TERMS & CONDITIONS   Contract Duration [4 months +/- 1 months] Contract Benefit: competitive salary Terms and condition as per CBA applicable Rejoining Bonus Free Internet onboard and wellbeing support   You may include with your application any reference, specific job qualification, and your availability date. Looking forward to welcoming you in the Columbia Family.

Location: Worldwide Workplace: hybrid COLUMBIA SHIPMANAGEMENT is looking for self-motivated and skilled 3rd Engineers to join our expanding Bulk fleet.   JOB DESCRIPTION:   Holder of valid COC (STCW Reg III/1) with verification. Holder of valid STCW certifications required for the position. Experience with multicultural working environment. Experience on Bulker vessels equipped with cargo crane Good communication and leadership skills. Fluent in written and spoken English language. Safety culture and mindset.   VESSEL'S SPECIFIC REQUIREMENTS   Minimum experience requirements: 6 months in Rank on the same type/size of vessel. Experience in trading area USA and Australia is recommended. Supramax size vessels experience is required.   CONTRACT TERMS & CONDITIONS   Contract Duration [4 months +/- 1 months] Contract Benefit: competitive salary Terms and condition as per CBA applicable Rejoining Bonus Free Internet onboard and wellbeing support   You may include with your application any reference, specific job qualification, and your availability date.   Looking forward to welcoming you in the Columbia Family.

Location: European Union; Ukraine Workplace: Remote About the Role We’re looking for a Senior Backend Developer who thrives in a deeply hands-on environment and enjoys being close to the code on a daily basis. This role is heavily focused on building, optimising, and scaling backend services in a high-load system where performance and reliability are critical. You’ll be working on complex, real-time challenges at the core of our platform - improving latency, ensuring high availability, and making systems more efficient at scale. This is not a coordination-heavy role; it’s for someone who enjoys writing production code, solving tough engineering problems, and seeing the direct impact of their work. If you’re product-driven, take ownership, and prefer a “build first, improve fast” approach while working on systems where every millisecond matters - this role will feel like home. Key Responsibilities - Work as part of a cross-functional team owning a core product within the platform - Design, build, and deliver new backend features end-to-end in a distributed environment - Write high-quality, production-level code daily, contributing directly to a high-load, scalable system - Take ownership of services handling financial transactions at scale, with a strong focus on reliability and accuracy - Proactively suggest and implement improvements in architecture, processes, and development practices - Participate in code and architectural reviews to maintain high engineering standards - Solve complex business and technical challenges with pragmatic, efficient solutions - Participating in on-call rotations within the squad to ensure the reliability and availability of our systems - Play an active role in ongoing tech transformation initiatives across the platform - Collaborate closely with engineers, product, and other stakeholders to deliver impactful solutions used by millions globally Requirements - Solid experience with Node.js/TypeScript is ideal, but we also welcome experts in other OOP languages such as Java, Python, C++, C#, or Go - Strong understanding of asynchronous programming techniques - Deep production experience with Kafka: confident reasoning about consumer-group rebalances and their impact on in-flight processing, offset-commit strategies under retries and duplicate delivery, and the limits of "exactly-once" semantics - Experience designing idempotent, retry-safe handlers for at-least-once pipelines: transactional outbox, idempotency keys, and deduplication - Experience building services with gRPC or similar RPC frameworks - Strong knowledge of relational databases such as MySQL or PostgreSQL, plus production experience with at least one NoSQL technology at scale, such as DynamoDB, MongoDB, or Redis - Hands-on experience running services on Kubernetes and AWS/GCP: deployment, autoscaling, resource limits, and production debugging - Production operations experience: on-call ownership of a high-load system, including incident response, impact assessment, root-cause analysis, and post-incident improvements Nice to Have - Experience with ClickHouse or other columnar/analytical databases - Experience with multi-region / failover architectures: data replication, regional isolation, and graceful degradation - Practical use of AI coding agents such as Cursor or Claude Code as part of daily development: effective prompting, reviewing, and validating AI-generated code - Understanding of application security and industry best practices - Gambling domain experience What We Offer - Competitive Salary - Quarterly Bonuses - Unlimited Paid Time Off - Unlimited Paid Sick Leave - Remote & Flexible Working - Private Medical Insurance - Financial Support for Life Events - Professional Development Budget - International Exposure - Regular Company Events *Benefits may vary depending on location and contractual agreement Recruitment process 1. HR interview (30-45mins) 2. Interview with a Hiring Manager (45mins) 3. Technical interview with live coding (90mins) 4. Final Interview with C-level (60 mins) By submitting your application, you acknowledge that your personal data will be processed in accordance with our Privacy Policy https://playson.com/privacy.

Location: United States Workplace: Remote Blockstream https://blockstream.com/ was founded in 2014 by Dr. Adam Back https://en.wikipedia.org/wiki/Adam_Back and a group of fellow cryptographers and engineers passionate about Bitcoin and its potential to change the future of finance. Focusing on building fundamental Bitcoin infrastructure, Blockstream quickly grew into one of the leading technology power houses of the industry. At Blockstream, we’re building solutions on Bitcoin that will disrupt the existing financial system. We imagine a world where individuals and businesses can easily access a global, permissionless system to secure their money, use it every day, and invest it or put it to work. In pursuit of our expansive vision, we’ve built a full stack of innovative products on top of the Bitcoin protocol, from layer-2 projects like Liquid and Core Lightning, to end-user software and hardware wallets like Green and Jade. Our brand stands for innovation in the Bitcoin community, and we’re growing our team to accelerate the future. Blockstream is looking for Software Engineers to work on our enterprise custody solution. You’ll design and maintain scalable end-to-end systems that serve APIs and SDKs, and work on everything from database architecture to cloud-based deployments.  What You’ll Be Doing (Responsibilities): - Design, develop, and maintain scalable end-to-end systems that serve APIs and SDKs. - Full stack software development, from database architecture to cloud-based deployment. - Optimize system performance and security to support high-availability applications. - Collaborate with cross-functional teams, including front-end developers, product managers, and hardware engineers to deliver seamless solutions. - Implement best practices in software development, including CI/CD, automated testing, and code reviews. - Research and integrate emerging technologies to enhance security and system efficiency. - Troubleshoot and resolve complex software issues in a fast-paced development environment. - Mentor junior developers and contribute to team knowledge-sharing efforts. What We Look For In You (Required Qualifications): - 5+ years of experience in full-stack software development, with a focus on backend engineering. - Proficiency in backend technologies such as C++, Python, Rust, Node.js. - Strong experience in designing and building RESTful APIs and SDKs. - Hands-on experience with cloud platforms (AWS, Azure, GCP) and containerization (Docker, Kubernetes). - Deep understanding of database technologies, including SQL (PostgreSQL, MySQL) and NoSQL (MongoDB, Redis). - Familiarity with authentication and security best practices, including OAuth, JWT, encryption, and access control. - Experience with CI/CD pipelines, automated testing, and DevOps tools. - Strong problem-solving skills and ability to work independently or as part of a team. - Excellent communication skills, with the ability to explain technical concepts to non-technical stakeholders. Nice To Haves (Preferred Qualifications): - Experience with Bitcoin, blockchain technology, or cryptography. - Open-source software development experience. - Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field (or equivalent experience). - Experience with system/software architecture.   🔒 Stay Safe from Job Scams All official Blockstream communication will come from an @blockstream.com email address. We will never ask you to share sensitive information or purchase equipment during the hiring process. If in doubt, contact us at hr@blockstream.com. Learn more about avoiding job scams here https://consumer.ftc.gov/consumer-alerts/2022/05/want-work-home-spot-scams-first.

Location: Riyadh, Saudi Arabia Müller's Solutions is seeking a talented UI/UX Expert for a 3-month contract to enhance our digital product offerings. In this role, you will leverage your expertise to design user-centric interfaces and experiences while collaborating with our dynamic team. Your focus will be on creating intuitive and engaging designs that meet both user needs and business objectives. As a UI/UX Expert, you will conduct user research, create wireframes and prototypes, and implement design changes based on user feedback and usability tests. This contract position is perfect for someone who is passionate about crafting exceptional user experiences and is ready to make a substantial impact in a short timeframe. Responsibilities: Conduct user research to identify user needs, preferences, and behaviors. Create wireframes, prototypes, and visual designs for web and mobile applications. Design user interfaces that are visually appealing, intuitive, and user-friendly. Collaborate with developers and product managers to ensure design feasibility and effective implementation. Iterate design solutions based on user testing feedback and performance metrics. Help maintain coherence in design across platforms, adhering to branding guidelines. Stay current with industry trends to bring innovative ideas into design approaches. Requirements Requirements: Bachelor's degree in Graphic Design, Interaction Design, or a related field. Proven experience working as a UI/UX Designer or similar role, with a portfolio showcasing your expertise. Proficient in design tools such as Adobe XD, Figma, Sketch, or similar. Deep understanding of user-centered design principles, methodologies, and best practices. Experience in creating responsive designs for various devices. Excellent communication skills to articulate design concepts and gather feedback effectively. Familiarity with front-end development (HTML, CSS, JavaScript) is a plus. Preferred qualifications: Experience in conducting user research and usability testing. Knowledge of accessibility standards in design. A proactive mindset with a passion for enhancing user experiences. 3+ years of experience in UI/UX roles is preferred. Soft Skills: Strong visual design skills with a keen eye for detail. Proven ability to work independently as well as collaboratively in a team setting. Ability to manage time effectively and meet deadlines in a fast-paced environment.

Location: Riyadh, Saudi Arabia Müller's Solutions is looking for Senior Product Tech Stack Experts to join our dynamic team. In this role, you will leverage your extensive knowledge of technology stacks to guide product development and enhance application performance. As an expert in your field, you will collaborate with cross-functional teams to evaluate new technologies and recommend appropriate solutions to meet our product objectives. Your contributions will ensure our products remain competitive in a rapidly changing technology landscape. Responsibilities: • Analyze product requirements and translate them into actionable technical solutions utilizing the most suitable tech stacks. • Collaborate with product managers, designers, and developers to define product vision and technical strategy. • Evaluate current technologies and propose enhancements to improve product performance, scalability, and reliability. • Provide technical leadership and mentorship to development teams, fostering best practices in technology usage. • Conduct in-depth research on emerging trends and technologies to recommend strategic implementation. • Develop comprehensive documentation that outlines technology stack choices and best practices for the team. Requirements Requirements: • Bachelor's degree in Computer Science, Engineering, or a related field. • 7+ years of experience in product development with a deep understanding of various technology stacks. • Proven experience in designing and implementing complex applications using modern frameworks and technologies. • Strong knowledge of cloud platforms (AWS, Azure, Google Cloud) and their integrations. • Excellent analytical skills to assess technology alignments with business needs and make informed recommendations. • Exceptional communication and collaboration skills, with a demonstrated ability to engage effectively with diverse stakeholders. Preferred qualifications: • Master’s degree in a relevant field. • Experience with Agile methodologies and DevOps practices. • Familiarity with microservices architecture and containerization technologies (Docker, Kubernetes). • Relevant technical certifications in any modern programming languages or platforms. Benefits Why Join Us: Opportunity to work with a talented and passionate team. Competitive salary and benefits package. Exciting projects and innovative work environment.

Location: Riyadh, Saudi Arabia At Müller's Solutions, we are seeking a Quality Assurance and Testing Expert to ensure our software products meet the highest quality standards. This role is critical in developing and implementing effective testing strategies that improve product quality and enhance customer satisfaction. As a key member of our dynamic team, you will collaborate with developers, product managers, and other stakeholders to identify testing requirements and execute comprehensive testing processes. Key Responsibilities: Design, develop, and execute test plans, test cases, and test scripts based on project requirements. Perform functional, regression, performance, and usability testing to validate software functionality and performance. Identify, document, and track software defects, ensuring thorough follow-up until resolution. Collaborate with cross-functional teams to provide feedback and improve product quality throughout the development cycle. Analyze test results and provide detailed reports and presentations to stakeholders. Develop testing methodologies and ensure adherence to best practices in testing and quality assurance. Maintain up-to-date knowledge of industry trends and advancements in quality assurance and testing tools. Conduct training sessions for team members on best practices in testing and quality assurance. Requirements Requirements: Bachelor’s or Master’s degree in Computer Science, Engineering, or related field. Minimum of 4 years of experience in quality assurance and testing in software development environments. Hands-on experience with automated testing tools such as Selenium, QTP, or equivalent. Strong understanding of software development life cycle (SDLC) and Agile methodologies. Excellent analytical and problem-solving skills. Proficient in writing clear and comprehensive test plans and test cases. Strong communication skills, both verbal and written, to effectively collaborate with team members. Ability to work independently and manage multiple priorities in a fast-paced environment. Relevant certifications (e.g., ISTQB, CSTE) are a plus.