1 to 25 of 733 Open Source Jobs in the UK

performance systems that process massive amounts of data? Do you thrive on designing and implementing innovative solutions to empower engineering teams with actionable insights? Are you excited to advance open-source observability at a massive scale? Join us to extend (open source) observability tools and build new capabilities that help teams manage data better and get … by ingesting terabytes of data daily and managing hundreds of millions of active series. We focus on building scalable, performant systems to meet Roku's unique needs. By leveraging open-source tools, CNCF-supported projects, and custom solutions, we enable engineering teams across Roku to monitor, debug, and optimise their applications with ease. We prioritise a results-driven … advance the platform's capabilities. Collaboration with cross-functional teams is critical, as you'll integrate observability into Roku's cloud-native stack and contribute improvements back to the open-source community. Extend and integrate open-source observability systems, and when needed, structurally overhaul core components, such as storage layers and query paths, to improve performance More ❯

AI Engineer Salary: £65,000 £80,000 Location: Fully remote We are seeking an AI Engineer with a strong open-source software background to join a fast-growing scale-up. They offer fully remote employment and have a team of engineers dedicated to developing AI-powered search and Retrieval-Augmented Generation (RAG) pipelines within DataStax-based architecture. This … role is perfect for someone with expertise in Open-source, API development, fine-tuning LLMs, and integrating AI into scalable applications. If you thrive in an AI-driven development environment, enjoy working on cutting-edge retrieval models, and have a passion for optimizing LLM performance, we want to hear from you. Key Responsibilities: Develop and maintain scalable RESTful … GraphQL APIs to interact with LLMs and AI-powered search systems. Design and implement Retrieval-Augmented Generation (RAG) pipelines using open-source tools like LangChain, Langflow, and DataStax Vector Search. Fine-tune LLMs (Hugging Face, OpenAI, Cohere, or similar) to improve response quality and domain-specific performance. Optimize embedding models for better semantic search and document retrieval. Integrate More ❯

We are looking for an experienced engineer who is passionate about developing compilers and managed runtimes and loves open-source software. In this role you will be working on performance analysis and optimisation across a range of runtimes. You'll be part of the bigger CE-SW Runtimes team, whose goal is to improve modern languages support on … the Arm architecture, from JavaScript to Rust. you will work closely with the team and colleagues across the organisation and with open source communities to tackle challenges in enabling the future of computing. Responsibilities Identify and implement changes to compilers and managed runtimes to improve the performance of selected workloads and better support Arm architectural features and CPU … fine-tune existing ones. (e.g. garbage collectors, interpreters, optimisation passes, intrinsics) Own and be accountable for medium/large technical areas of managed runtime or compiler development. Contribute to open-source software projects and engage with open-source community. Collaborate with colleagues across Arm to improve the support for the Arm Architecture and CPUs. Help develop More ❯

where developers collaborate to build the world's leading AI-powered developer platform. In the GitHub Code Scanning team, we are passionate about securing the world's software - both Open Source and Enterprise. We believe that the best way to secure software is to detect security issues early in the development process, and actively facilitate their remediation as … energy Deliver success Who We Are GitHub is the world's leading AI-powered developer platform with 150 million developers and counting. We're also home to the biggest open-source community on earth (and 99% of the world's software has open-source code in its DNA). Many of the apps and programs you … use every day are built on GitHub. Our teams are dreamers, doers, and pioneers, leading the way in AI, driving humanitarian efforts around the globe, and even sending open source to Mars (and beyond!). At GitHub, our goal is to create the space you need to do your best work. We're remote-first and offer competitive More ❯

creative with digital technology, with a specific focus on broadening the diversity of students passionate about computing. This is a broad role in a small organisation, working predominantly on open source projects, in collaboration with other organisations like Lancaster University, Arm and Microsoft. Current projects include: The micro:bit CODAL - the abstractions on which the primary, web-based … the job and adapt to evolving challenges is more valuable than anything listed here. Experience working on firmware that runs at scale on consumer or industrial devices Experience managing open source projects & documentation Experience managing continuous integration pipelines for embedded systems with or without hardware-in-the-loop Experience with wired (USB, I2C, SPI, UART) and/or … DAL ) and micro:bit V2 ( CODAL ), and to ensure continued improvement in the educational experience for users of both micro:bit devices To lead the process of maintaining these open source projects, including managing their GitHub repositories, continuous integration pipelines, release management, triaging and prioritising bug reports and pull requests, and identifying when to raise prioritisation with senior More ❯

C/C++ or Python Previous experience with container or virtualization environments Proven success working in a distributed environment Supplemental MySQL technologies Why Percona? At Percona, we believe an open world is a better world. Our mission is to enable everyone to innovate freely, by providing the best open source database software, support, and services. We make … databases and applications run better through a unique combination of expertise and open source software built with the community for you. Our technical teams are experts in MySQL, MongoDB, PostgreSQL, and MariaDB. Percona is proud to be a remote-only and globally dispersed workforce - we have colleagues in more than 50 countries! We offer a collaborative, highly-engaged … you love the idea of working with a high-growth tech company that is one of the best in the business and known globally as a leader in the open-source database space, let's talk! Connect with us and stay up to date on our latest news and developments by following us on LinkedIn and Twitter. We More ❯

leading global organisations — constantly pushing boundaries and finding smarter ways to deliver value. Innovation is at the heart of everything this team does. They explore the latest cloud platforms, open-source tools, and modern technologies to create solutions that are as inspiring as they are effective. You'll join a thriving community of specialists who take pride in … ensuring best practices and high standards throughout delivery. Contributing to proposals and client engagements, helping to define innovative and competitive solutions. Staying hands-on with modern cloud-native and open-source technologies, continually learning and exploring new ideas. This is an opportunity to influence outcomes at every level — guiding technology choices and shaping solutions that make a lasting … clearly, and enjoy seeing your designs come to life. Our client is looking for someone with: Strong, hands-on experience with AWS and building cloud-native solutions. Expertise in open-source frameworks , API-led design , and secure, scalable architectures. A deep understanding of microservices , domain-driven design , event-driven systems , and containerisation . Familiarity with architectural frameworks such More ❯

Green Energy, and Industrial Automation. What You'll Bring Strong proficiency in C programming Experience with one or more of the following: C++, Python, Rust, or Java Familiarity with open-source technologies and ecosystems Solid understanding of modern software development practices Confident working within Linux environments About the Team You'll collaborate with a talented group of engineers … for technology and modern design. The role offers exposure to the full software development lifecycle - from concept and prototyping through to delivery and deployment. Experience with embedded systems and open-source development will be a significant advantage. We're Looking For Engineers Who Have a genuine passion for software development Enjoy working collaboratively with technical specialists Thrive on … variety - every project brings something new Desirable Experience Embedded software development Contributing to open-source projects CI/CD pipeline development and automation If you're ready to take on diverse challenges and shape cutting-edge software solutions, apply today with an up to date CV. Contact : Laurence Powell KO2 Embedded Recruitment Solutions Ltd More ❯

skills, with the ability to guide small, inexperienced client teams in a collaborative yet authoritative manner. You will play a key role in shaping and delivering solutions built on open-source technologies, data pipelines, vector stores, and Generative AI (GenAI) capabilities, with an emphasis on integrating Large Language Models (LLMs). Key Responsibilities Leadership & Collaboration: Lead and mentor … non-technical audiences. Build strong relationships with client stakeholders, ensuring alignment on objectives and expectations. Technical Delivery: Design, implement, and document end-to-end data and GenAI solutions using open-source and cloud-based components. Develop and maintain data pipelines, vector databases, and LLM integrations. Configure and optimize solutions on Microsoft Azure Cloud. Ensure adherence to best practices … Required Skills & Experience Proven ability to lead small technical or client teams. Excellent communication and presentation skills. Strong team player with a collaborative, mentoring mindset. Hands-on experience with open-source technologies across front-end and back-end systems. Proficiency in data pipelines, vector stores, and Generative AI/LLM implementations. Working knowledge of Microsoft Azure Cloud services More ❯

you. Backed by top-tier Silicon Valley investors like Amplify Partners, Kleiner Perkins, and IVP, our small, distributed team is making advanced database technology accessible to developers everywhere. Our open-source tools are trusted by over 400,000 developers each month, with a thriving community on Discord and GitHub, where we've earned 43,000+ GitHub Stars. At … with modern developer workflows, performance optimizations, and seamless scaling. Alongside it, Prisma Accelerate, and Studio, provide a world-class tookit for building with data. By combining the power of open-source with cutting-edge commercial solutions, we're shaping the future of databases, one developer at a time. What would a Senior TypeScript Engineer at Prisma do? You … and proactively supporting peers. Passion for building outstanding developer experience through sustainable, well-tested tools and infrastructure that empower developers and improve workflows. Nice-to-Have Skills Contributions to open source projects (as maintainer or active contributor). Experience with systems-level programming languages (e.g., C, C++, Go, Zig, or others) and an interest in low-level performance More ❯

Need Strong skills in C programming Experience with one or more of the following: C++, Python or Rust Confidence working in Linux environments Strong with embedded systems. Familiarity with open-source technologies and ecosystems A solid grasp of modern software development practices About the Team You'll be joining a multidisciplinary group of engineers united by a shared … passion for technology and innovation. The team works across the entire software development lifecycle - from concept and prototyping through to delivery and deployment. Experience with embedded systems and open-source development will help you stand out. We're Looking for Engineers Who Have a genuine enthusiasm for software engineering Enjoy collaborating with talented technical specialists Thrive on variety … every project brings fresh challenges and opportunities Desirable Experience Contributions to open-source projects CI/CD pipeline design and automation If you're excited by the idea of solving complex problems and creating next-generation software solutions, we'd love to hear from you. Apply today with your up-to-date CV. Contact: Laurence Powell @ KO2 Embedded More ❯

functional collaboration across sales, product, and marketing. Drive execution from concept to delivery, aligning product management with go-to-market initiatives. Identify and capitalize on new opportunities in the open source and cloud ecosystem . Represent the company at major cloud-related campaigns, opportunities, and events . Travel internationally (up to 2x per year for 1-2 weeks … record of building and growing global partner ecosystems . Exceptional leadership, presentation, and interpersonal skills, with the ability to energize stakeholders through data-driven storytelling . Passion for technology, open source, and cloud innovation. Strong work ethic, self-motivation, and accountability in a distributed work environment. Appreciation for diversity and effectiveness in multicultural, multinational organizations. Experience with Linux … competitive landscape. Nice to Have: Solid experience in the Public Cloud sector . Background in indirect/channel sales management . History of personal tech projects or contributions to open source. What We Offer Competitive compensation based on location, experience, and performance. Annual bonus or commission tied to results. Personal learning & development budget of USD 2,000 per year. More ❯

streamlined workflows. Sonar analyzes all code, regardless of who writes it - your internal team, genAI, or third parties - resulting in more secure, reliable, and maintainable applications. Rooted in the open source community, Sonar's solutions support over 30 programming languages, frameworks, and infrastructure technologies. Today, Sonar is used by +7M developers and 400K organizations worldwide, including the DoD … developing great products that are supported by great internal teams and a strong culture. We are highly committed to and obsessed with the company, users, each other, and our open source community. We have high standards and hold each other accountable for acting with positivity, dedication, thoughtfulness, empathy, and passion daily. We are deliberate with our decisions with … on doing more of what they love and less of what they don't. Our solutions don't just solve symptoms of problems - we help fix issues at the source - for all code, whether it's developer written, AI generated, or from third parties. We have a dynamic culture with employees worldwide and hub offices in the USA, Switzerland More ❯

Provide best Customer experience in terms of responsiveness, resolution time, tone, and knowledge Support the customer throughout their entire lifecycle Provide expert-level technical support for customers using our Open Source Ledger and other backend modules. Troubleshoot complex issues, investigating and diagnosing problems quickly, and escalating them to the development team when necessary. Create and maintain detailed documentation … product teams to deliver seamless support and relay feedback for continuous improvement. Ability to prioritize and manage multiple tickets/issues Fluent in English Nice to have : Familiarity with open-source ecosystems, APIs, webhooks, or BE tools Basic understanding of financial services infrastructure (ledgers, reconciliation, transactions) Benefits We offer a competitive package including equity for employees. We organize … regular off-sites with the team in Europe and soon in the US! About FORMANCE : Formance is building the next-generation financial infrastructure - open-source, developer-first, and built to power the most ambitious fintech products of tomorrow. Formance is global native and serving enterprise companies around the globe, around the clock, to build and scale their financial More ❯

Provide best Customer experience in terms of responsiveness, resolution time, tone, and knowledge Support the customer throughout their entire lifecycle Provide expert-level technical support for customers using our Open Source Ledger and other backend modules. Troubleshoot complex issues, investigating and diagnosing problems quickly, and escalating them to the development team when necessary. Create and maintain detailed documentation … product teams to deliver seamless support and relay feedback for continuous improvement. Ability to prioritize and manage multiple tickets/issues Fluent in English Nice to have : Familiarity with open-source ecosystems, APIs, webhooks, or BE tools Basic understanding of financial services infrastructure (ledgers, reconciliation, transactions) Benefits We offer a competitive package including equity for employees. We organize … regular off-sites with the team in Europe and soon in the US! About FORMANCE : Formance is building the next-generation financial infrastructure - open-source, developer-first, and built to power the most ambitious fintech products of tomorrow. Formance is global native and serving enterprise companies around the globe, around the clock, to build and scale their financial More ❯

Provide best Customer experience in terms of responsiveness, resolution time, tone, and knowledge Support the customer throughout their entire lifecycle Provide expert-level technical support for customers using our Open Source Ledger and other backend modules. Troubleshoot complex issues, investigating and diagnosing problems quickly, and escalating them to the development team when necessary. Create and maintain detailed documentation … product teams to deliver seamless support and relay feedback for continuous improvement. Ability to prioritize and manage multiple tickets/issues Fluent in English Nice to have : Familiarity with open-source ecosystems, APIs, webhooks, or BE tools Basic understanding of financial services infrastructure (ledgers, reconciliation, transactions) Benefits We offer a competitive package including equity for employees. We organize … regular off-sites with the team in Europe and soon in the US! About FORMANCE: Formance is building the next-generation financial infrastructure - open-source, developer-first, and built to power the most ambitious fintech products of tomorrow. Formance is global native and serving enterprise companies around the globe, around the clock, to build and scale their financial More ❯

Provide best Customer experience in terms of responsiveness, resolution time, tone, and knowledge Support the customer throughout their entire lifecycle Provide expert-level technical support for customers using our Open Source Ledger and other backend modules. Troubleshoot complex issues, investigating and diagnosing problems quickly, and escalating them to the development team when necessary. Create and maintain detailed documentation … product teams to deliver seamless support and relay feedback for continuous improvement. Ability to prioritize and manage multiple tickets/issues Fluent in English Nice to have : Familiarity with open-source ecosystems, APIs, webhooks, or BE tools Basic understanding of financial services infrastructure (ledgers, reconciliation, transactions) Benefits We offer a competitive package including equity for employees. We organize … regular off-sites with the team in Europe and soon in the US! About FORMANCE: Formance is building the next-generation financial infrastructure - open-source, developer-first, and built to power the most ambitious fintech products of tomorrow. Formance is global native and serving enterprise companies around the globe, around the clock, to build and scale their financial More ❯

Provide best Customer experience in terms of responsiveness, resolution time, tone, and knowledge Support the customer throughout their entire lifecycle Provide expert-level technical support for customers using our Open Source Ledger and other backend modules. Troubleshoot complex issues, investigating and diagnosing problems quickly, and escalating them to the development team when necessary. Create and maintain detailed documentation … product teams to deliver seamless support and relay feedback for continuous improvement. Ability to prioritize and manage multiple tickets/issues Fluent in English Nice to have : Familiarity with open-source ecosystems, APIs, webhooks, or BE tools Basic understanding of financial services infrastructure (ledgers, reconciliation, transactions) Benefits We offer a competitive package including equity for employees. We organize … regular off-sites with the team in Europe and soon in the US! About FORMANCE: Formance is building the next-generation financial infrastructure - open-source, developer-first, and built to power the most ambitious fintech products of tomorrow. Formance is global native and serving enterprise companies around the globe, around the clock, to build and scale their financial More ❯

Who We Are At Ultralytics , we are shaping the future of Vision AI. Our groundbreaking YOLO (You Only Look Once) models are the world’s most widely used open-source object detection tools, empowering millions of developers and enterprises to build intelligent applications that see and understand the world. Now backed by a $30M Series A , we are … environment where autonomy and results go hand in hand. 💥 Why This Role and Why Now Be part of a once-in-a-decade AI success story with an enormous open-source following and clear product-market fit. Join at the moment when Ultralytics is transitioning from foundation building to large-scale global growth. Sell a product that engineers … action. Entrepreneurial mindset with comfort operating in fast-changing, high-growth environments. ✨ Nice-to-Haves Background in AI, Machine Learning, or Vision AI technologies. Familiarity with YOLO or other open-source developer ecosystems. Experience closing high-value enterprise deals of $100,000 or more. Exposure to international markets and global sales. Hands-on experience with HubSpot or Clay. More ❯

Who We Are At Ultralytics , we are shaping the future of Vision AI. Our groundbreaking YOLO (You Only Look Once) models are the world’s most widely used open-source object detection tools, empowering millions of developers and enterprises to build intelligent applications that see and understand the world. Now backed by a $30M Series A , we are … environment where autonomy and results go hand in hand. 💥 Why This Role and Why Now Be part of a once-in-a-decade AI success story with an enormous open-source following and clear product-market fit. Join at the moment when Ultralytics is transitioning from foundation building to large-scale global growth. Sell a product that engineers … action. Entrepreneurial mindset with comfort operating in fast-changing, high-growth environments. ✨ Nice-to-Haves Background in AI, Machine Learning, or Vision AI technologies. Familiarity with YOLO or other open-source developer ecosystems. Experience closing high-value enterprise deals of $100,000 or more. Exposure to international markets and global sales. Hands-on experience with HubSpot or Clay. More ❯

Who We Are At Ultralytics , we are shaping the future of Vision AI. Our groundbreaking YOLO (You Only Look Once) models are the world’s most widely used open-source object detection tools, empowering millions of developers and enterprises to build intelligent applications that see and understand the world. Now backed by a $30M Series A , we are … environment where autonomy and results go hand in hand. 💥 Why This Role and Why Now Be part of a once-in-a-decade AI success story with an enormous open-source following and clear product-market fit. Join at the moment when Ultralytics is transitioning from foundation building to large-scale global growth. Sell a product that engineers … action. Entrepreneurial mindset with comfort operating in fast-changing, high-growth environments. ✨ Nice-to-Haves Background in AI, Machine Learning, or Vision AI technologies. Familiarity with YOLO or other open-source developer ecosystems. Experience closing high-value enterprise deals of $100,000 or more. Exposure to international markets and global sales. Hands-on experience with HubSpot or Clay. More ❯

Who We Are At Ultralytics , we are shaping the future of Vision AI. Our groundbreaking YOLO (You Only Look Once) models are the world’s most widely used open-source object detection tools, empowering millions of developers and enterprises to build intelligent applications that see and understand the world. Now backed by a $30M Series A , we are … environment where autonomy and results go hand in hand. 💥 Why This Role and Why Now Be part of a once-in-a-decade AI success story with an enormous open-source following and clear product-market fit. Join at the moment when Ultralytics is transitioning from foundation building to large-scale global growth. Sell a product that engineers … action. Entrepreneurial mindset with comfort operating in fast-changing, high-growth environments. ✨ Nice-to-Haves Background in AI, Machine Learning, or Vision AI technologies. Familiarity with YOLO or other open-source developer ecosystems. Experience closing high-value enterprise deals of $100,000 or more. Exposure to international markets and global sales. Hands-on experience with HubSpot or Clay. More ❯

Who We Are At Ultralytics , we are shaping the future of Vision AI. Our groundbreaking YOLO (You Only Look Once) models are the world’s most widely used open-source object detection tools, empowering millions of developers and enterprises to build intelligent applications that see and understand the world. Now backed by a $30M Series A , we are … environment where autonomy and results go hand in hand. 💥 Why This Role and Why Now Be part of a once-in-a-decade AI success story with an enormous open-source following and clear product-market fit. Join at the moment when Ultralytics is transitioning from foundation building to large-scale global growth. Sell a product that engineers … action. Entrepreneurial mindset with comfort operating in fast-changing, high-growth environments. ✨ Nice-to-Haves Background in AI, Machine Learning, or Vision AI technologies. Familiarity with YOLO or other open-source developer ecosystems. Experience closing high-value enterprise deals of $100,000 or more. Exposure to international markets and global sales. Hands-on experience with HubSpot or Clay. More ❯

transformation engagements. We are looking for experience in the following skills Excellent hands-on experience with Java and associated technologies. Experience working with Spring Boot. Hands-on knowledge of open-source tools, libraries and standards. Some working knowledge of containers (Docker). Strong experience of working in Test Driven Development, test coverage, unit tests, feature tests and test … tune, profile, and debug applications. Knowledge of both traditional and agile delivery methods. Drive and desire to further your skillset and lead in the application domain. Good knowledge of Open source and open standards. Strong analytical skills and attention to detail. Knowledge and demonstrable experience of both traditional and agile delivery methods. What is in it for More ❯

right tool to solve our biggest problems. What we offer: Competitive salary and benefits package. Discretionary bonus based on performance. Continued personal development through training and certification. We are open-source friendly, following open-source principles in our internal projects and encouraging contributions to external projects. Responsibilities: React Native Mobile App Ownership: Oversee the app's More ❯