76 to 100 of 101 Open Source Jobs in London

teams Experience building & scaling REST APIs , particularly those conforming to JSON:API Comfortable working on infrastructure (e.g., setting up CI pipelines, navigating Kubernetes) If you have a personal or open-source project you'd like to share, we'd love to see it (GitHub links welcome!) Salary and benefits Office: Our brand new 10,000 sq. ft office More ❯

Preferred Qualifications Significant post-graduate research experience, or five or more years of work experience (actual job title/position will be commensurate with experience) Experience with foundation and open-source models, meta/transfer learning, fine-tuning, distillation, multi-task/continual learning, RL, RLxF, and/or image/audio/video/3D generation/… roles, stock grants, and a comprehensive benefits package. Diversity & Belonging We take pride in cultivating a culture of belonging where everyone can thrive. Learn more here:Please search for open jobs and apply internally (not on this external site). More ❯

AI agent frameworks such as Model Context Protocol (MCP) or LangChain. Exposure to large-scale software system architecture. Desirable: Direct experience in generative AI and LLM research. Experience with open-source AI libraries. Knowledge of SQL and database interaction. Hands-on experience with version control systems. More ❯

and strong communication skills Must have start-up/Scale-up experience and understand this isn’t your typical 9-5 Desirable skills: Exposure to firmware engineering Contributions to open-source projects Mobile SDKs (iOS/Android) The salary for this role is up to £60,000 maximum, plus generous equity. More ❯

and strong communication skills Must have start-up/Scale-up experience and understand this isn’t your typical 9-5 Desirable skills: Exposure to firmware engineering Contributions to open-source projects Mobile SDKs (iOS/Android) The salary for this role is up to £60,000 maximum, plus generous equity. More ❯

industry certifications, and seeking new opportunities to maintain and grow relevant knowledge and skillsets. Identify and communicate enhancement opportunities and improvement ideas for the department's operations. Experience in open source and social media research, or investigations, typically obtained in 2-3 years; ability to connect the dots; Written and spoken proficiency in a second language is preferred More ❯

Articulate trade-offs and drive high-impact technology decisions on topics including (but not limited to) IaaS/PaaS providers, container orchestration, service mesh, API gateways, and commercial vs. open source software. Approaches to managing Architectural debt, Architecture governance and evolution in practice Micro services topologies, including operational concerns such as resiliency, observability, discovery and routing, security etc. More ❯

with a focus on business process improvement. Excellent communication, presentation, and sales enablement abilities. Self-motivated, goal-oriented, and at ease working independently or collaboratively with others. Familiarity with Open Source software. Exceptional time management and multitasking skills under pressure. If you are interested in this role but not sure if your skills and experience are exactly what … impactful value creation. We remain committed to values of excellence, empathy and respect to produce transformative outcomes in business processing creating value for all. We embrace difference as a source of creativity, innovation and competitive advantage and are striving to become a more diverse organisation. We welcome applications from people with a diverse variety of backgrounds and identities. We More ❯

with a focus on business process improvement. Excellent communication, presentation, and sales enablement abilities. Self-motivated, goal-oriented, and at ease working independently or collaboratively with others. Familiarity with Open Source software. Exceptional time management and multitasking skills under pressure. If you are interested in this role but not sure if your skills and experience are exactly what … impactful value creation. We remain committed to values of excellence, empathy and respect to produce transformative outcomes in business processing – creating value for all. We embrace difference as a source of creativity, innovation and competitive advantage and are striving to become a more diverse organisation. We welcome applications from people with a diverse variety of backgrounds and identities. We More ❯

means we aren't beholden to any shareholders - only to our mission. Along with thousands of volunteer contributors and collaborators all over the world, Mozillians design, build and distribute open-source software that enables people to enjoy the internet on their terms. About this team and role: We're now seeking a Business Development Lead (Individual Contributor) to … life/AD&D, disability, EAP, etc. - varies by country) About Mozilla Mozilla exists to build the Internet as a public resource accessible to all because we believe that open and free is better than closed and controlled. When you work at Mozilla, you give yourself a chance to make a difference in the lives of Web users everywhere. More ❯

achieve and exceed their digital transformation goals. We are trusted by HMRC, HMPO, Wayfair, Worldpay to name a few. Our projects are delivered through best practices. Agile, DevOps, security, open-source, and user centric design are fundamental to us and define the consulting experience we deliver to our clients. More ❯

an Integration Engineer or Integration Consultant. An excellent understanding of a wide range of integration strategies and techniques across a diverse mix of technology environments and architectures, from fully open source/bespoke environments through to fully proprietary, Enterprise and COTS-based. Experience of working with iPaaS platforms in an Enterprise environment from either independent vendors (such as More ❯

an Integration Engineer or Integration Consultant. An excellent understanding of a wide range of integration strategies and techniques across a diverse mix of technology environments and architectures, from fully open source/bespoke environments through to fully proprietary, Enterprise and COTS-based. Experience of working with iPaaS platforms in an Enterprise environment from either independent vendors (such as More ❯

Europe, with regular off-sites for team bonding. Some roles, like sales in the US, are hybrid-please check the job description. Giving back - We're big fans of open source, and you'll get $100 per month to support projects you care about. Transparency - We all know what everyone's working on, how the company is doing More ❯

to senior leadership and the board What we're looking for Strong track record managing complex tech or digital transformation projects Excellent stakeholder engagement and communication skills Experience with open-source platforms and Agile delivery Industry experience in entertainment, ticketing, or CRM systems is a bonus This is your chance to make a real impact on a transformational … Consultant: Simrah Rehan london projects/project-manager 2025-09 10-12 trade-and-services London London GB Robert Walters true About: TEMPORARY Job Reference: A4TAQP-326A4179 Expiry: Open until filled More ❯

digital transformation. The possibilities are endless -be a part of the revolution! THE ROLE & WHY IT EXISTS Gravitee.io is taking APIs to the next level, we are the premier, open source API platform and we want everyone to know how amazing our software is. To make this happen, we are looking for someone passionate, curious and ambitious. This … an opportunity to learn, get up every day with a fresh mindset to go again. Coachable - constant improvement through feedback and experimentation, taking new ideas on board and being open to different ways of doing things. AT GRAVITEE, YOU'LL GET Salary up to £100 OTE Excellent medical coverage to keep your body and mind healthy Pension or 401k More ❯

do need to know how to integrate modern AI capabilities into productions Essential: At least 4 years backend development experience Solid expertise in Node.js Experience integrating LLM APIs and open-source models into production systems Hands-on work implementing Retrieval-Augmented Generation (RAG) pipelines Experience designing and optimizing agentic AI workflows Tremendous opportunity offering plenty of scope for More ❯

similar role Track record of building strong client and colleague relationships A positive and confident approach when dealing with clients Experience managing projects with multiple web development technologies, including open source Experience balancing multiple projects of varying sizes Experience planning, managing, and delivering projects using flexible project management methodologies Strong commercial awareness and budget management skills Willingness to More ❯

technical support, and influence peers in following best practice. Review new security products and ascertain their suitability for the QBE environment. Execute threat hunting activities using various proprietary and open source tools to identify current and emerging threats that pose a risk to QBE. Build strong relationships with internal and external stakeholders to maintain and improve QBE security More ❯

requirements. Contribute to DSIT's Responsible AI Advisory Panel and governance structures by embedding strategic data perspectives. Evaluation & Assurance Design frameworks to assess responsible data use in AI. Build open-source Python tools for data evaluation. Feed insights into data-driven AI reliability and maturity models to support trustworthy deployment. Stakeholder Engagement Build strong partnerships across government, academia More ❯

need to succeed Fluency in both English and German. Associates degree or 2+ years' commercial experience. Strong interest in and understanding of data-heavy projects. Proven capacity to leverage open-source resources effectively for comprehensive research purposes. 2-3 years of project coordination or management experience. Experience managing stakeholder relationships across departments What you'll get in return More ❯

need to succeed Fluency in both English and German. Associates degree or 2+ years' commercial experience. Strong interest in and understanding of data-heavy projects. Proven capacity to leverage open-source resources effectively for comprehensive research purposes. 2-3 years of project coordination or management experience. Experience managing stakeholder relationships across departments What you'll get in return More ❯

behaviour cloning in robotics or autonomous driving. Nice to Have Deployment experience on humanoid or legged robots. History of shipping AI models to real robots or vehicles. Research or open-source contributions in multi-modal transformers, diffusion control, or world models . Familiarity with frameworks such as OpenVLA or Physical Intelligence (p) . Whats on Offer Competitive salary More ❯

behaviour cloning in robotics or autonomous driving. Nice to Have Deployment experience on humanoid or legged robots. History of shipping AI models to real robots or vehicles. Research or open-source contributions in multi-modal transformers, diffusion control, or world models . Familiarity with frameworks such as OpenVLA or Physical Intelligence (p) . Whats on Offer Competitive salary More ❯

behaviour cloning in robotics or autonomous driving. Nice to Have Deployment experience on humanoid or legged robots. History of shipping AI models to real robots or vehicles. Research or open-source contributions in multi-modal transformers, diffusion control, or world models . Familiarity with frameworks such as OpenVLA or Physical Intelligence (p) . Whats on Offer Competitive salary More ❯