1 to 25 of 189 Open Source Jobs in London

Legal Counsel

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
business that generates revenue directly: the AGPL‐3.0/Enterprise dual‐licensing model behind YOLO. Every company using Ultralytics’ models commercially either open‐sources their entire project under AGPL‐3.0 or buys an Enterprise license. Supporting compliance, converting to contract, and negotiating the Enterprise agreements themselves – is core … background compliance task. We need someone who’s done this kind of work before, not someone learning opensource licensing on the job. What you’ll do Opensource licensing and IP Own the AGPL‐3.0/Enterprise licensing model end to end: detect likely violations ...

Public Sector Account Executive (Education)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
usage-based pricing, and modern data architectures. Solve Complex Problems: Move beyond simple transactions to address the intricate data challenges our customers face. Champion Open Source: Articulate the value of our advanced commercial features while advocating for our Open-Source offerings. Identify New Use Cases: Showcase … date. Ability to create alignment across teams to accelerate deals. AI Mindset: Use new technologies for performance advantage and deal structuring. Open-Source Appreciation: Enthusiasm for the Open-Source model and the community relying on our solutions. Additional Information - We Take Care of Our People ...

Senior Software Engineer, Docker Agents (London)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
implement systems that leverage Docker containers as the ideal runtime for AI agents, ensuring isolation, scalability, and portability. Expand cagent: maintain and evolve the opensource cagent project, adding new capabilities for containerized agent deployment and orchestration. Agent runtime development: build robust infrastructure for packaging, deploying, and managing … agent performance, reliability, and containerized deployment effectiveness. Rapid prototyping: iterate quickly on new agent capabilities and deployment patterns, moving from concept to production efficiently. Open source community: engage with the cagent community, review contributions, and help grow the ecosystem. Cross‐functional collaboration: work closely with product managers, designers ...

Enterprise Account Executive (UK)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
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 ...

Staff Software Engineer, Docker Agents (London)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
implement systems that leverage Docker containers as the ideal runtime for AI agents, ensuring isolation, scalability, and portability. Expand cagent: Maintain and evolve the open-source cagent project, adding new capabilities for containerized agent deployment and orchestration. Agent Runtime Development: Build robust infrastructure for packaging, deploying, and managing … agent performance, reliability, and containerized deployment effectiveness. Rapid Prototyping: Iterate quickly on new agent capabilities and deployment patterns, moving from concept to production efficiently. Open Source Community: Engage with the cagent community, review contributions, and help grow the ecosystem. Cross‐functional Collaboration: Work closely with product managers, designers ...

Salesforce/NetSuite Engineering Manager, Commercial Systems

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Salesforce/NetSuite Engineering Manager, Commercial Systems Home based - EMEA Canonical is a leading provider of open-source software and operating systems for global enterprise and technology markets. Our platform, Ubuntu, is very widely used in breakthrough enterprise initiatives such as public cloud, data science, AI, engineering innovation … skills of their direct reports, and who has the drive to deliver. This is an exciting opportunity to work with great people and exciting open-source solutions on innovative engineering solutions supporting Canonical's growth. The Commercial Systems unit is conceived as six engineering teams that closely collaborate ...

Engineering Director

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
cornerstone of democracy. Since our inception in 2014, founded by a team of scientists from CERN, we have dedicated ourselves to providing free and open-source technology to millions worldwide, ensuring access to privacy, security, and freedom online. Our journey began with Proton Mail, the largest secure email … fast and avoid unnecessary politics. Tired of blending into the crowd? Join us and do work you can truly be proud of. Check our opensource projects. Purpose of the role Proton continues to grow rapidly as increasing numbers of people across the globe seek greater privacy controls ...

Engineering Manager

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
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 ...

Senior Product Engineer – Frontend

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Overview Responsibilities Use your strong proficiency in JavaScript/TypeScript to design and implement product features using React, Zod, Lexical and other popular open-source technologies Lead projects end-to-end to solve real customer problems Build innovative, cutting-edge user experiences, driven by your expertise with modern … communicate technical ideas to the wider team and influence stakeholders across Engineering, Product and Design Nice to have: Experience contributing to, or participating in open source projects Nice to have: An interest or experience in mentoring other members of the team Nice to have: Experience working with data ...

Enterprise Architect - AI

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
trail, and approval‐gate processes for production AI systems. Security & Cloud AI‐specific security fundamentals: model security, prompt‐injection defenses, supply chain security for opensource/open‐weight models. Solutions‐architect level expertise in at least one hyperscaler (AWS, Azure, or GCP), including their native …/AI/ML or related) beneficial but not required given sufficient hands‐on depth. Continuous, demonstrable learning in AI — publications, opensource contributions, conference speaking, or lab‐based experimentation are all valued signals. WWT is an Equal Opportunity Employer Employment decisions are made without regard to race ...

Founding Engineering - Top London Software House

Hiring Organisation
IT Graduate Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 per annum
solving difficult problems rather than following established processes. Strong Signals First-class degree or equivalent academic achievement. Competitive programming, mathematical competitions or research experience. Open-source contributions or technically ambitious personal projects. Experience building products, platforms or infrastructure from scratch. Experience at high-performing technology companies, research labs … NoSQL, PostgreSQL, System Architecture, Technical Leadership, Engineering Strategy, Software Reliability, Performance Optimisation, Automation, DevOps, CI/CD, AWS, Azure, Google Cloud, Kubernetes, Docker, Open Source, GitHub, Research Engineering, Machine Learning Engineering, AI Engineering, Deep Learning, Mathematical Modelling, Competitive Programming, Hackathons, Research Projects, Technical Projects, Product Development, MVP Development ...

Research Scientist, LLM Agents (Foundational Research)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
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 ...

Manager, Lead Research Scientist, LLM Agents (Foundational Research)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
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 opensource experience). Strong software and/or infrastructure engineering skills and ensuring well‐managed software delivery, as evidenced by code contributions ...

Senior Software Enginner

Hiring Organisation
INTEC SELECT LIMITED
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£700 - £800 per day
distributed systems, data pipelines, and platform architecture. Establish CI/CD pipelines, Infrastructure as Code, automated testing, and deployment practices. Evaluate and integrate open-source technologies and distributed data frameworks. Mentor engineers and promote engineering excellence across the team. Work closely with architecture, product, security, and external stakeholders. … secure data access models. Exposure to event-driven architectures and streaming technologies such as Kafka, Flink, or Spark Streaming. Experience evaluating or contributing to open-source technologies. ...

Security Architect

Hiring Organisation
TXP
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£700 - £750 per day
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 ...

Director, Data Science, Digital & Insights, Strategic Communications

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
integral part of a focused team where you can make a real impact. You’ll be surrounded by an open, collaborative culture that embraces diversity, recognition, professional development and, most importantly, you.Are you ready to make your impact?**About The Role**We are looking for a talented, ambitious … requires a significant level of technical knowledge relating to, for example:* AI platforms and solutions across algorithmic and agentic categories (e.g., AI vendor APIs, open-source tooling such as LlamaIndex, HuggingFace, Claude Code or similar)* Manipulating datasets in Python, SQL and Excel* Deep familiarity with GitHub to collaborate ...

Applied Researcher (Monitoring)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
monitors, including chain‐of‐thought reasoning, structured outputs, and multi‐step verification Future projects (likely not in the first 6 months) Fine‐tune smaller opensource 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 ...

Applied Control Researcher

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
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 ...

Kubernetes Product Owner

Hiring Organisation
Jobleads-UK
Location
City Of London, England, United Kingdom
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 ...

ML Research Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
process over 100M+ API calls every month We fine-tune and train our own LLMs so they run faster and cheaper than any open or proprietary model We’re a small, highly focused team. If you want to work deeply on hard problems, see your work ship to production … prior work with safety/moderation datasets, policy/rule systems, or high-volume logging/observability. A big plus: A public builder footprint: open-source models, datasets, or training frameworks on HuggingFace/GitHub, benchmarks, papers (workshop or main conference), or technical posts with real usage. Experience ...

Computer Vision Engineer

Hiring Organisation
Ultralytics
Location
London Area, United Kingdom
What You'll Do As a Computer Vision Engineer at Ultralytics, you will be at the forefront of developing and refining our world-class, open-source AI models. You will drive the entire lifecycle of our models, from research to real-world deployment. Key responsibilities include: Developing, training … Excellent problem-solving skills and the ability to perform in a fast-paced, high-intensity environment. A strong portfolio of projects or contributions to open-source AI repositories. 🌟 Cultural Fit - Intensity Required Ultralytics is a high-performance environment for world-class talent obsessed with achieving extraordinary results. ...

Regional HR Manager - EMEA

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Canonical is a leading provider of open source software and operating systems to the global enterprise and technology markets. Our platform, Ubuntu, is very widely used in breakthrough enterprise initiatives such as public cloud, data science, AI, engineering innovation and IoT. Our customers include the world's leading … handling and overseeing complex ER matters across multiple jurisdictions Fluent in business English (written and spoken) Self‐motivated, organized, accurate, confident, authentic, results‐orientated, open‐minded, enthusiastic and energetic Willingness to travel up to 4 times a year for internal events Nice‐to‐have skills Experience with immigration policies ...

Applied AI ML Director

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
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 ...

Applied Scientist / Domain Expert, AI4Engineering - EMEA

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
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 ...

Solution Architect (SC)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
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 ...