1 to 25 of 675 Open Source Jobs in the UK

Open Source Software License Engineering & Governance Lead 📍 Location: London or Hong Kong (Hybrid or Remote Options) 💼 Function: Technology/Engineering Governance 🕓 Employment Type: Permanent 💵 Up to £135k + Excellent Bonus, Holiday, Pension & Benefits This role will suit a Senior Technical Governance Manager or Engineering & Governance Lead to shape and lead enterprise-wide standards for OSS software usage, licensing … and technology enablement. A hybrid strategic and technical leadership role to build the company’s first Open Source Office, ensuring that open-source adoption across the enterprise remains secure, compliant, and scalable. The ideal candidate combines technical literacy, legal awareness, and cultural empathy — someone who can speak both to developers and lawyers in equal measure, and … lead the organization into a mature, regulated open-source future. Role Summary: You must have deep experience with OSS governance, control framework, risk model, and enablement scopes to lead how the organization uses, manages, and contributes to open-source software (OSS). The ideal candidate will be a Software engineer or technical manager (hands-on or More ❯

Open Source Software License Engineering & Governance Lead 📍 Location: London or Hong Kong (Hybrid or Remote Options) 💼 Function: Technology/Engineering Governance 🕓 Employment Type: Permanent 💵 Up to £135k + Excellent Bonus, Holiday, Pension & Benefits This role will suit a Senior Technical Governance Manager or Engineering & Governance Lead to shape and lead enterprise-wide standards for OSS software usage, licensing … and technology enablement. A hybrid strategic and technical leadership role to build the company’s first Open Source Office, ensuring that open-source adoption across the enterprise remains secure, compliant, and scalable. The ideal candidate combines technical literacy, legal awareness, and cultural empathy — someone who can speak both to developers and lawyers in equal measure, and … lead the organization into a mature, regulated open-source future. Role Summary: You must have deep experience with OSS governance, control framework, risk model, and enablement scopes to lead how the organization uses, manages, and contributes to open-source software (OSS). The ideal candidate will be a Software engineer or technical manager (hands-on or More ❯

Open Source Software License Engineering & Governance Lead Location: London or Hong Kong (Hybrid or Remote Options) Function: Technology/Engineering Governance Employment Type: Permanent Up to £135k + Excellent Bonus, Holiday, Pension & Benefits This role will suit a Senior Technical Governance Manager or Engineering & Governance Lead to shape and lead enterprise-wide standards for OSS software usage, licensing … and technology enablement. A hybrid strategic and technical leadership role to build the company's first Open Source Office, ensuring that open-source adoption across the enterprise remains secure, compliant, and scalable. The ideal candidate combines technical literacy, legal awareness, and cultural empathy - someone who can speak both to developers and lawyers in equal measure, and … lead the organization into a mature, regulated open-source future. Role Summary: You must have deep experience with OSS governance, control framework, risk model, and enablement scopes to lead how the organization uses, manages, and contributes to open-source software (OSS). The ideal candidate will be a Software engineer or technical manager (hands-on or More ❯

Open Source Software License Engineering & Governance Lead 📍 Location: London or Hong Kong (Hybrid or Remote Options) 💼 Function: Technology/Engineering Governance 🕓 Employment Type: Permanent 💵 Up to £135k + Excellent Bonus, Holiday, Pension & Benefits This role will suit a Senior Technical Governance Manager or Engineering & Governance Lead to shape and lead enterprise-wide standards for OSS software usage, licensing … and technology enablement. A hybrid strategic and technical leadership role to build the company’s first Open Source Office, ensuring that open-source adoption across the enterprise remains secure, compliant, and scalable. The ideal candidate combines technical literacy, legal awareness, and cultural empathy — someone who can speak both to developers and lawyers in equal measure, and … lead the organization into a mature, regulated open-source future. Role Summary: You must have deep experience with OSS governance, control framework, risk model, and enablement scopes to lead how the organization uses, manages, and contributes to open-source software (OSS). The ideal candidate will be a Software engineer or technical manager (hands-on or More ❯

Open Source Software License Engineering & Governance Lead 📍 Location: London or Hong Kong (Hybrid or Remote Options) 💼 Function: Technology/Engineering Governance 🕓 Employment Type: Permanent 💵 Up to £135k + Excellent Bonus, Holiday, Pension & Benefits This role will suit a Senior Technical Governance Manager or Engineering & Governance Lead to shape and lead enterprise-wide standards for OSS software usage, licensing … and technology enablement. A hybrid strategic and technical leadership role to build the company’s first Open Source Office, ensuring that open-source adoption across the enterprise remains secure, compliant, and scalable. The ideal candidate combines technical literacy, legal awareness, and cultural empathy — someone who can speak both to developers and lawyers in equal measure, and … lead the organization into a mature, regulated open-source future. Role Summary: You must have deep experience with OSS governance, control framework, risk model, and enablement scopes to lead how the organization uses, manages, and contributes to open-source software (OSS). The ideal candidate will be a Software engineer or technical manager (hands-on or More ❯

Open Source Software License Engineering & Governance Lead 📍 Location: London or Hong Kong (Hybrid or Remote Options) 💼 Function: Technology/Engineering Governance 🕓 Employment Type: Permanent 💵 Up to £135k + Excellent Bonus, Holiday, Pension & Benefits This role will suit a Senior Technical Governance Manager or Engineering & Governance Lead to shape and lead enterprise-wide standards for OSS software usage, licensing … and technology enablement. A hybrid strategic and technical leadership role to build the company’s first Open Source Office, ensuring that open-source adoption across the enterprise remains secure, compliant, and scalable. The ideal candidate combines technical literacy, legal awareness, and cultural empathy — someone who can speak both to developers and lawyers in equal measure, and … lead the organization into a mature, regulated open-source future. Role Summary: You must have deep experience with OSS governance, control framework, risk model, and enablement scopes to lead how the organization uses, manages, and contributes to open-source software (OSS). The ideal candidate will be a Software engineer or technical manager (hands-on or More ❯

About k6 At k6, we build next-generation reliability testing tools for developers and DevOps engineers. We are pushing forward the state-of-the-art in our industry, creating open-source tools that have great developer experience and enable engineers to build reliable systems. k6 is an open-source tool that we built to reinvent the … and enable engineers to build systems that scale. About the role: Senior Software Engineer - k6 Core You will be one of five developers and maintainers of k6, a modern open-source tool for performance testing, written in Go. k6 was released publicly in early 2017 and has already received over 26,800 stars on Github and has an … be able to expand your knowledge and skills in different directions. Required skills We are looking for a person combining very strong programming skills with experience in contributing to open-source projects. Have a strong programming background and experience developing applications in Go (or another language with high-concurrency/parallelism) Good technical communication skills Understand internet protocols 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 ❯

value. At Syntasso, you'll be part of a small, expert team driving a global shift in how platform engineering is done. Your ideas will directly influence Kratix, our open source framework, and our commercial product, Syntasso Kratix Enterprise. By joining us, you won't just build technology, you'll help define the standards of a new discipline. … empower, not constrain. We started the company after seeing too many teams struggle to build internal platforms that developers actually enjoy using. That's why we created Kratix: an open source framework that helps organisations design, deliver, and scale their platforms with confidence. One early adopter cut platform onboarding from weeks to hours using Kratix, freeing engineers to … users in mind. You'll find us pairing on problems, running regular learning sessions, and sharing ideas that often spark new improvements for Kratix or contributions back to the open source ecosystem we care about so deeply. You'll also be learning from experienced leaders who've built and scaled successful platform engineering businesses before. Our leadership team More ❯

recognition since 2021 demonstrates his unwavering dedication to knowledge sharing, community building, and technical innovation within the software development ecosystem. His contributions span multiple channels, from creating widely-adopted open-source security tools to producing educational content that reaches developers across the globe. Jamie's community impact is exemplified through The Modern .NET Show podcast , which serves as … including the United States (25% of all downloads), United Kingdom (15%), Canada (7%), and Asia (30%), providing accessible technical education to developers at all career stages. Technical excellence through open-source contribution forms another cornerstone of Jamie's recognition. His OwaspHeaders.Core library has achieved remarkable success with over 1.2 million downloads, providing essential web application security features to … responsibility," Jamie commented following the announcement. "It represents not just individual achievement, but a commitment to the broader developer community. Through RJJ Software, The Modern .NET Show, and my open-source contributions, I'm able to help organisations and developers alike realise their full potential using modern technologies." The MVP recognition enhances RJJ Software's position as a More ❯

junior-to-mid Legal Counsel to join a pivotal in-house team and support a business at the intersection of software development and AI, with a particular focus on open-source compliance and licensing. The Opportunity This newly created role reports directly to the General Counsel and offers the chance to provide practical, commercial legal advice across the … business, including to senior leadership. You will: Advise on commercial contracts, open-source licensing, and data processing agreements. Manage intellectual property and ensure data privacy compliance. Support product development to mitigate legal risk. Advise on disputes and emerging legal issues. Monitor trends in AI, technology law, and open-source compliance to provide actionable guidance. Hybrid role … based 3 days a week in the Central London office. Experience & Skills Qualified solicitor with 3+ PQE, experienced in drafting, reviewing, and negotiating commercial agreements. Experience with open-source software or licensing is highly desirable. In-house experience (current or via secondment) is advantageous. Commercially minded, confident, and able to manage competing priorities independently. Able to provide practical More ❯

junior-to-mid Legal Counsel to join a pivotal in-house team and support a business at the intersection of software development and AI, with a particular focus on open-source compliance and licensing. The Opportunity This newly created role reports directly to the General Counsel and offers the chance to provide practical, commercial legal advice across the … business, including to senior leadership. You will: Advise on commercial contracts, open-source licensing, and data processing agreements. Manage intellectual property and ensure data privacy compliance. Support product development to mitigate legal risk. Advise on disputes and emerging legal issues. Monitor trends in AI, technology law, and open-source compliance to provide actionable guidance. Hybrid role … based 3 days a week in the Central London office. Experience & Skills Qualified solicitor with 3+ PQE, experienced in drafting, reviewing, and negotiating commercial agreements. Experience with open-source software or licensing is highly desirable. In-house experience (current or via secondment) is advantageous. Commercially minded, confident, and able to manage competing priorities independently. Able to provide practical More ❯

junior-to-mid Legal Counsel to join a pivotal in-house team and support a business at the intersection of software development and AI, with a particular focus on open-source compliance and licensing. The Opportunity This newly created role reports directly to the General Counsel and offers the chance to provide practical, commercial legal advice across the … business, including to senior leadership. You will: Advise on commercial contracts, open-source licensing, and data processing agreements. Manage intellectual property and ensure data privacy compliance. Support product development to mitigate legal risk. Advise on disputes and emerging legal issues. Monitor trends in AI, technology law, and open-source compliance to provide actionable guidance. Hybrid role … based 3 days a week in the Central London office. Experience & Skills Qualified solicitor with 3+ PQE, experienced in drafting, reviewing, and negotiating commercial agreements. Experience with open-source software or licensing is highly desirable. In-house experience (current or via secondment) is advantageous. Commercially minded, confident, and able to manage competing priorities independently. Able to provide practical More ❯

junior-to-mid Legal Counsel to join a pivotal in-house team and support a business at the intersection of software development and AI, with a particular focus on open-source compliance and licensing. The Opportunity This newly created role reports directly to the General Counsel and offers the chance to provide practical, commercial legal advice across the … business, including to senior leadership. You will: Advise on commercial contracts, open-source licensing, and data processing agreements. Manage intellectual property and ensure data privacy compliance. Support product development to mitigate legal risk. Advise on disputes and emerging legal issues. Monitor trends in AI, technology law, and open-source compliance to provide actionable guidance. Hybrid role … based 3 days a week in the Central London office. Experience & Skills Qualified solicitor with 3+ PQE, experienced in drafting, reviewing, and negotiating commercial agreements. Experience with open-source software or licensing is highly desirable. In-house experience (current or via secondment) is advantageous. Commercially minded, confident, and able to manage competing priorities independently. Able to provide practical More ❯

junior-to-mid Legal Counsel to join a pivotal in-house team and support a business at the intersection of software development and AI, with a particular focus on open-source compliance and licensing. The Opportunity This newly created role reports directly to the General Counsel and offers the chance to provide practical, commercial legal advice across the … business, including to senior leadership. You will: Advise on commercial contracts, open-source licensing, and data processing agreements. Manage intellectual property and ensure data privacy compliance. Support product development to mitigate legal risk. Advise on disputes and emerging legal issues. Monitor trends in AI, technology law, and open-source compliance to provide actionable guidance. Hybrid role … based 3 days a week in the Central London office. Experience & Skills Qualified solicitor with 3+ PQE, experienced in drafting, reviewing, and negotiating commercial agreements. Experience with open-source software or licensing is highly desirable. In-house experience (current or via secondment) is advantageous. Commercially minded, confident, and able to manage competing priorities independently. Able to provide practical More ❯

Technical Architect - Data Products & Open Data 12-Month Contract Inside IR35 2 days a week on site in London Role Overview We are seeking an experienced Technical Architect to provide technical leadership for data products and open data services. This role requires a strong background in data product design, solution architecture, and open data platforms, with the … ability to lead multi-disciplinary teams and drive technical strategy across a large programme. Key Responsibilities Lead technical architecture and solution design for data products and open data services Provide design leadership across a multi-disciplinary team Apply expertise in data cataloguing, metadata management, and open/licensed data portals Leverage understanding of AI developments to shape and … enhance data services Work with open source tools and cloud infrastructure (AWS, Terraform) Guide technical direction and ensure consistent implementation across the programme Collaborate with a core team of 7-8 and a wider programme of 50 Essential Skills & Experience Proven experience with data products and open/licensed data portals Knowledge of data cataloguing systems and More ❯

part of a small, dynamic team Proven ability to pick up new tools and concepts quickly About Red Hat Red Hat is the world's leading provider of enterprise open source software solutions, using a community-powered approach to deliver high-performing Linux, cloud, container, and Kubernetes technologies. Spread across 40+ countries, our associates work flexibly across work … fully remote, depending on the requirements of their role. Red Hatters are encouraged to bring their best ideas, no matter their title or tenure. We're a leader in open source because of our open and inclusive environment. We hire creative, passionate people ready to contribute their ideas, help solve complex problems, and make an impact. Inclusion … at Red Hat Red Hat's culture is built on the open source principles of transparency, collaboration, and inclusion, where the best ideas can come from anywhere and anyone. When this is realized, it empowers people from different backgrounds, perspectives, and experiences to come together to share ideas, challenge the status quo, and drive innovation. Our aspiration is 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 ❯

At lowRISC we believe that open source development can transform the semiconductor industry. To help achieve this vision of production-ready, commercial-grade chips and silicon building blocks, we employ a software team with a wide range of skills. Our software engineers work across the full software stack, from firmware and toolchains that interact directly with hardware to … is based in Zurich. Our Ibex CPU and OpenTitan Root of Trust projects have been taken to production silicon, partnering with world-leading organisations including Google and Rivos, combining open-source approaches with best-practice chip design methodologies. Requirements Solid experience with C or Rust. Strong algorithmic and problem solving skills. A degree in Computer Science or equivalent … with CI/CD for embedded or systems software. A good understanding of compilers and linkers; experience with LLVM is a plus. Good knowledge of Linux. Experience contributing to open source projects. Higher degree levels and academic research experience are highly valued. Benefits Benefits include a generous employer pension contribution (up to 12.5% subject to an employee contribution 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 ❯

days per week in office) Maze is partnering with a stealth-mode startup that's rebuilding core banking from the ground up. They’re creating the world’s first open-source, AI-native "Thin Ledger"—set to replace legacy infrastructure at Tier 1 banks. We're looking for a Principal Platform Engineer to drive the infrastructure behind mission … incident response AI-curious or AI-native: excited to build agent-powered ops Someone who is currently hands on (not someone primarily focused on strategy & people management) Passion for open-source, clean architecture Software Development experience (Bonus points for Go(Golang)) Bonus: background in financial systems, core banking, or regulated infra Why join: Huge ownership: build core infra … Work with a high-caliber team, fast-paced and product-minded founders who have worked in some of the most recognised tech businesses in the world. Help define an open-source platform from day one. Clear path to tech unicorn status with fruitful equity included. Recently raised 8 figures in funding. If your skillset matches, apply within. Please More ❯

days per week in office) Maze is partnering with a stealth-mode startup that's rebuilding core banking from the ground up. They’re creating the world’s first open-source, AI-native "Thin Ledger"—set to replace legacy infrastructure at Tier 1 banks. We're looking for a Principal Platform Engineer to drive the infrastructure behind mission … incident response AI-curious or AI-native: excited to build agent-powered ops Someone who is currently hands on (not someone primarily focused on strategy & people management) Passion for open-source, clean architecture Software Development experience (Bonus points for Go(Golang)) Bonus: background in financial systems, core banking, or regulated infra Why join: Huge ownership: build core infra … Work with a high-caliber team, fast-paced and product-minded founders who have worked in some of the most recognised tech businesses in the world. Help define an open-source platform from day one. Clear path to tech unicorn status with fruitful equity included. Recently raised 8 figures in funding. If your skillset matches, apply within. Please More ❯