1 to 25 of 103 Open Source Jobs in London

building a world‐class platform to amplify our teams’ most powerful ideas. G‐Research runs one of the largest and most influential Open‐Source Program Offices (OSPO) in the world, comprising 30–35 upstream engineers working across machine learning, big‐data systems, high‐performance computing (HPC), distributed systems … developer tooling and critical infrastructure. We are hiring a Deputy Head of Open‐Source Development to act as the senior in‐office leader for the programme, ensuring our open‐source contributions remain closely aligned with internal priorities and business needs. Responsibilities Lead day‐to‐day engagement ...

Barlowe LLP is looking for a Deputy Head of Open-Source Development in London to lead engagement between the Open-Source Program Office (OSPO) and internal stakeholders. The ideal candidate should have a strong engineering background and experience in managing technical initiatives. This role involves shaping … strategy alongside the Head of Open-Source Development, evaluating opportunities, and building relationships with various teams. Competitive compensation and benefits, including 30 days’ annual leave and healthcare, are offered. #J-18808-Ljbffr ...

real world, helping developers move from prototypes to production-ready AI agents that teams can rely on. We began as widely adopted open-source tools and have grown to also offer a platform for building, evaluating, deploying, and operating agents at scale. With $125M raised at Series … contributions can shape how this technology shows up in the real world. Today, our platform includes LangSmith (Observability, Evaluation, Deployment, Fleet, and Sandboxes), our open source frameworks (LangChain, LangGraph, and Deep Agents), and the newly launched LangSmith Engine for autonomous agent improvement. We have 100M+ monthly open ...

complexity into fun. About Tiptap Chances are high that you've already used Tiptap without knowing it in one of the apps you have open daily. With 37k GitHub stars and over 45M npm downloads per month, Tiptap is the most popular open-source editor framework worldwide … build, every prospect you unblock turns into revenue, into products our customers ship, and into the signal that shapes our roadmap. Our Core Values Open Source: We believe in the power of open source and community collaboration. Transparency: We share knowledge openly. Autonomy and Impact: Your ...

generalist role. You'll be the go‐to expert for Amazon SNS, Amazon SQS, Amazon MQ, and the broader messaging ecosystem — including open‐source technologies like RabbitMQ, Apache ActiveMQ, and MQTT‐based architectures. You'll guide customers through trade‐offs between managed services and self‐managed alternatives, helping … leadership in the messaging space Collaborate with account teams and other specialists to identify messaging‐related opportunities and accelerate customer adoption Engage with the open‐source community and help customers understand when managed services vs. self‐hosted solutions best fit their needs About the team Diverse Experiences Amazon ...

London, you'll be the founding leader of a team working on two products: Hegel , our property-based testing library family, and Bombadil , our open-source browser testing product. This isn't a "manage the roadmap and attend standups" kind of role — you'll be in the code … London team — hire exceptional engineers, onboard them well, and create the kind of environment where they do the best work of their careers. Foster Open Source Communities – Further our OSS testing frameworks by interacting with the community to build sustainable and rich relationships between Antithesis, our users ...

High Daily Rate We are seeking an experienced Linux Kernel Engineer with a proven track record of contributing to the Linux mainline through upstream open-source development. This is a unique opportunity to join one of the world's leading semiconductor organisations, working at the forefront of embedded … Doing Developing and enhancing Linux kernel functionality for cutting-edge semiconductor technologies. Contributing code directly to the Linux mainline and engaging with the upstream open-source community. Working closely with platform, firmware, and hardware engineering teams to deliver high-performance solutions. Driving kernel optimisation, debugging, and feature development ...

curious and open-minded individual with an interest in conducting state-of-the-art foundational machine learning research? Thomson Reuters Labs is seeking Research Scientists with a passion for building complex agent-based AI systems in a data-rich, complex academic environment driven by real-world problems. Foundational Research … model training. Extensive experience working on agent-based systems, tool-using AI, or multi-agent coordination in LLM contexts (e.g. startup, industry, or extensive open-source experience). Strong software and/or infrastructure engineering skills and ensuring well-managed software delivery, as evidenced by code contributions ...

candidate will have come from a strong technical background, and have an understanding of attack vectors for high threat environments, across both proprietary and open-source technology stacks. You will advise and enable technical teams to make security decisions and provide advice and guidance, ensuring the effective … programmes, projects or a product-centric organisation. You will have a good understanding of a broad range of industry-standard technologies, both proprietary and open source, across a diverse range of Microsoft and Linux-based deployments, across physical, virtual and containerised compute. You will have experience in securing ...

make and document key technical decisions Promote secure-by-design principles across all aspects of platform development Establish and maintain core engineering tooling, including source control, CI/CD pipelines, infrastructure-as-code, and automated testing frameworks Platform Engineering Design and implement identity and access management solutions with robust … workflow, and operational capabilities to support governance and compliance requirements Implement networking, monitoring, and security controls for highly secure environments Evaluate and integrate appropriate open-source technologies and third-party components Contribute to the design and delivery of scalable, resilient, and maintainable distributed systems Collaboration & Team Development ...

monitors, including chain-of-thought reasoning, structured outputs, and multi-step verification Future projects (likely not in the first 6 months) Fine-tune smaller open-source models to create efficient, specialized monitors for high-volume production environments Design and build agentic monitoring systems that autonomously investigate logs … based on empirical findings (e.g., prompting, scaffolding, agent design, fine-tuning, or RL). Strong Python programming skills Demonstrated ability to work independently on open-ended research problems Bonus: Experience with AI evaluation frameworks, in particular Inspect (though other frameworks are relevant as well) Familiarity with AI safety concepts ...

Namespace-as-a-Service Kubernetes platform that offers isolated environments and on-demand infrastructure such as databases, caching and deployment tooling. Our approach is open source first, using CNCF projects including Cilium, Kyverno and Karpenter as core cluster add-ons. We enable teams to deliver and scale applications … experience operating and engineering services on Kubernetes. • Experience building or leading an Internal Developer Platform. • Visible presence in the cloud native community through open source contributions, community engagement or conference speaking. • Confident reviewing pull requests in Python and Golang. • Strong object-oriented programming skills. • Experience leading globally distributed ...

Machine Learning team in Corporate and Investment Banking is transforming the operations of the world’s largest bank by leveraging the latest advancements in open source artificial intelligence and proprietary frontier models. To facilitate rapid growth, the team is focusing expertise in key "Domains" that are crucial … Domains. We seek an team member with a strong foundation in artificial intelligence and software engineering, who has made significant contributions to open source projects and/or led the development and maintenance of AI systems vital to business operations. As an Applied AI ML Director within ...

days a week and remote x2 days a week. Skills required for the role: Looking for a security architect who has worked in open-source code environment – i.e. analysing and securing risks from open-source code in the application ecosystem. Specifically with Python and R. ...

time, and enhance learning and creativity. Our technology is designed to integrate seamlessly into daily working life. We democratize AI through high-performance, optimized, open-source and cutting-edge models, products and solutions. Our comprehensive AI platform is designed to meet enterprise needs, whether on-premises … Have applied ML methods to simulation or surrogate modelling Have experience automating large-scale simulation campaigns on HPC clusters Have contributed to a large open-source or industry codebase Have publications in engineering or ML venues (NeurIPS, ICLR, etc.) Love improving existing code by fixing typing issues, adding ...

seeking a Director, Sales - Europe to spearhead revenue growth across the continent. This role demands a seasoned sales leader who understands the complexities of open-source technology, cloud, and enterprise environments. The successful candidate will lead a regional sales organization while defining sales strategies and driving growth ...

Contribute to the practice development through thought leadership and development of innovative services and offerings. We expect you to have: Strong working knowledge of open source, open standards and cloud technologies. Good understanding of architectural concepts, methodologies and approaches. Excellent working knowledge of design patterns and modelling ...

SDOs) where alignment is needed to advance Cisco’s product and technology vision. Pursue leadership roles in external standards and coordination as applicable with open‐source organizations of strategic importance to Cisco. Help shape direction in key existing SDOs and support the development of new standards and open‐source initiatives needed by the industry. Work with industry partners through existing organizations and new relationships to build initiatives important to Cisco’s future business. Support standards strategy development across Cisco’s businesses especially focusing on cross‐BE areas. Evangelize Cisco’s standards work with account teams ...

capabilities needed to welcome a billion customers. About the Team Backstage was created at Spotify and has grown into a leading SaaS and open source platform for developer portals. Thousands of companies use Backstage to bring structure to complex microservices environments, improve developer experience, and ship high-quality … software faster – including in the age of AI – without losing autonomy or control. Backstage powers centralized software catalogs, standards, and AI enablement capabilities across open source, plugins, and SaaS offerings. Our customers include global enterprises and Fortune 100 companies transforming their engineering culture. This role leads marketing ...

capabilities needed to welcome a billion customers. About the Team Backstage was created at Spotify and has grown into a leading SaaS and open source platform for developer portals. Thousands of companies use Backstage to bring structure to complex microservices environments, improve developer experience, and ship high-quality … software faster — including in the age of AI — without losing autonomy or control. Backstage powers centralized software catalogs, standards, and AI enablement capabilities across open source, plugins, and SaaS offerings. Our customers include global enterprises and Fortune 100 companies transforming their engineering culture. This role leads marketing ...

strategic partnerships with customers, vendors, and partners. Developing IP Strategies: Taking ownership of the company's IP strategy, including trademarks, patents, licensing, and open-source compliance. Data Privacy Compliance: Advising on data privacy and data protection regulations across multiple jurisdictions, including the US (CCPA, CPRA, HIPAA), EU (GDPR … CCPA, CPRA, HIPAA, GDPR, and other international regulations. Expertise in managing commercial tech transactions, including B2B licensing, SaaS agreements, and strategic partnerships. Familiarity with open-source licensing models and compliance. A proven ability to advise on product development while ensuring data protection compliance. Exceptional drafting, communication, and collaboration ...

platforms.* Familiarity with event-driven architectures, message queues (Kafka, SQS, RabbitMQ), and microservices patterns.* Experience with advanced AI/ML engineering, including fine-tuning open-source models, building evaluation frameworks for LLM outputs, or designing guardrails for enterprise AI deployments.* Experience with Citi Velocity, Citi Direct, or similar ...

foundation (Java, Python, Go, or equivalent). Hands‐on experience with AI/ML engineering — including working with LLM APIs (OpenAI, Anthropic, Gemini, or open‐source equivalents), embedding models, and vector databases. Proven expertise in prompt engineering : designing, iterating, and evaluating prompts for production use cases including classification ...

case-management or service-orchestration platforms Understanding of agentic AI capabilities and how they can complement workflow automation Experience mentoring developers or contributing to open-source Camunda extensions Already holding UK security clearance (SC, DV, eDV) Other Stuff NB: Please only apply if you have resided ...

case-management or service-orchestration platforms Understanding of agentic AI capabilities and how they can complement workflow automation Experience mentoring developers or contributing to open-source Camunda extensions Already holding UK security clearance (SC, DV, eDV) Other Stuff NB: Please only apply if you have resided ...