1 to 25 of 342 Open Source Jobs in London

Software Maintenance Engineer

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 … metal, virtualization (KVM), containerization (Docker/LXC/LXD), storage (Ceph and Linux filesystems), networking (OVS, OVN and Core networking), OpenStack, Kubernetes and the open source applications running on top of them. It will challenge you to show the breadth of your engineering skills, which will be needed ...

Legal Counsel

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 ...

Cloud Field Engineer

Location
Greater London, England, United Kingdom
Help global companies embrace the latest private cloud infrastructure, Linux and cloud native operations, and open source applications. Our team applies expert insights to real-world customer problems, enabling the enterprise adoption of Linux Ubuntu, OpenStack, Kubernetes and a wide range of associated technology. This role has very … managed services team at the end of a project. They are also software engineers who use Python to develop Kubernetes operators and Linux open source infrastructure-as-code. The people who love this role are developers who like to solve customer problems through architecture, presentations and training. Location ...

Public Sector Account Executive (Education)

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 ...

Enterprise Account Executive

Location
Greater London, England, United Kingdom
Infisical is the open source security infrastructure platform that engineers use for secrets management, certificates, and privileged access management. We help developers and organizations securely manage billions of secrets every month including application configuration, database credentials, certificates, and more. We’ve raised $19M from Y Combinator, Google … make security easier for all developers — starting with secrets management. We’re looking to hire exceptional talent to join us in building the open source security infrastructure stack for the AI era. About the role As an Enterprise Account Executive , you’ll be responsible for growing the customer ...

ML Engineer/Researcher Engineering London

Location
Greater London, England, United Kingdom
that reflect real personal-finance tasks and make model strengths and failure modes clear. Second, we will train our own models on top of open source, tuned for financial advice and evaluated against standards we care about: numerical correctness, rule-following, and robustness on long, messy inputs. … evals for personal-finance guidance and advice, including numerical accuracy, constraint satisfaction, and long-document robustness. Model building. Fine-tune, distill, and post-train open models into Clove models for financial advice. Research. Investigate why models fail on numbers and layered rules, and turn those findings into methods that ...

Staff Solutions Engineer (UK)

Location
Greater London, England, United Kingdom
additional tasks required by manager. What you will bring: 7+ years of pre-sales Solution Engineering or relevant experience at a SaaS, Open-source or Enterprise Software company. Experience working with Open-source technology. Foundational knowledge/understanding of API Management & Integration, Cloud computing trends, Open-source business models. Confident ability to present and lead discussions with C or Director level executives as well as Product Managers and Engineers. Enthusiasm for working in a high profile, fast-paced startup culture. Bonus Points: Previous experience with API Gateway or Service Mesh is preferred. Experience with ...

Open Source DevOps Engineer (Python/Golang) – Cloud & Linux

Location
Greater London, England, United Kingdom
Canonical is a leading provider of open source software and operating systems, with Ubuntu at the core of cloud, AI, and data initiatives. We seek a software engineer to lead a regional team in delivering Python and Go based open source operations code across the Linux ...

Sr. Solutions Engineer

Location
Greater London, England, United Kingdom
their own ground across modern data engineering (Spark, Delta, streaming), machine learning, and Generative AI, and integrate cleanly with their existing cloud and open-source stack. Move at start-up speed: qualify quickly, prove value early, and land in a way that sets up expansion. Make the technical … commercial case against competing tools, including cloud data warehouses, open-source stacks, and hyperscaler services. Demonstrate our Builder Culture and our principle of "show, not tell", supported by the latest AI tooling, to inspire customers on the art of the possible. Contribute to Databricks' technical community by developing ...

Software Engineering Manager (Backend SaaS)

Location
Greater London, England, United Kingdom
Software Engineering Manager (Backend SaaS) Canonical · London Licensed sponsor London On-Site Likely to sponsor About the role 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 … organisation Build automated, highly reliable image delivery, testing and publication pipelines Engage with many other teams at Canonical, as well as the open source community and commercial partners Work from home with global travel 4‐6 weeks per year for internal and external events Valued skills and experience ...

Senior Software Engineer

Hiring Organisation
Oscar Technology
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £90,000 per annum
Already live with banks and financial institutions, and hiring to build the product further. You'll work across our data integration platform and our open-source schema language and ecosystem. What You'll Work On Mostly Kotlin backend, but everyone touches the full stack: the integration platform (streaming … pipelines, query execution, API composition, schema resolution, running in production at real financial institutions); our open-source schema language (compiler, type system, query engine, no prior compiler experience needed); our AI agent built on Spring AI (greenfield work orchestrating integrations autonomously); and the frontend (mainly Angular, some React ...

Salesforce/NetSuite Engineering Manager, Commercial Systems

Location
Greater London, England, United Kingdom
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 and IoT. Our customers include the world's leading public … skills of their direct reports, and who has the drive to deliver. This is an exciting opportunity to work with great people and exciting opensource solutions on innovative engineering solutions supporting Canonical's growth. The Commercial Systems unit is conceived as six engineering teams that closely collaborate ...

Technical Product Manager - GenAI Platforms - Agentic Infrastructure - CTO Office London, GBR P[...]

Location
Greater London, England, United Kingdom
prototype the next generation of infrastructure, hardware, and applications that power the Bloomberg Terminal and beyond. Our work spans AI platforms, cloud infrastructure, opensource stewardship, and generative AI innovation. For over a decade, Bloomberg has been at the forefront of applying AI, ML, and NLP to financial … trust you to Define and drive the vision for Bloomberg’s Agentic Infrastructure, with a focus on agentic control planes Translate emerging open source & industry standards into production‐ready, enterprise‐grade infrastructure capabilities Collaborate across Bloomberg’s AI platform teams to integrate agentic capabilities that support experimentation ...

Account Executive (Enterprise)

Location
Greater London, England, United Kingdom
custom MSAs — without losing deal velocity Help build the enterprise GTM motion: feed market signal back to product and marketing, and turn Haystack's open-source community into pipeline What you bring to the team You can run a Haystack pipeline well enough to establish credibility … data infrastructure, or AI/ML platforms to engineering and platform teams Experience with enterprise security reviews for AI or data products Experience converting open-source users into enterprise customers Benefits Remote-first setup with flexible hours & tech of your choice 30 days vacation + extra days ...

Senior Software Engineer - Python/MongoDB

Location
Greater London, England, United Kingdom
enabling high-performing, rock-solid MongoDB deployments on any cloud or platform our customers choose. We want to create the world's best open source analog to MongoDB Altas or Amazon DocumentDB, which can be owned, controlled and operated by end-users on their own multi-cloud … Linux systems administration, operations, and package management. You are passionate about quality and automatic testing. Work with one of the industry's pioneers in open source with intelligent engineers at every level from engineer to CTO and CEO level. At Canonical we've honed our remote-first culture ...

Open Source DevX Engineer: SDKs, APIs & Developer Tools

Location
Greater London, England, United Kingdom
ElevenLabs is seeking a Developer Experience Engineer to raise the bar for developers using our open source projects and APIs. You will design, build and maintain server and client side SDKs, improve the ElevenLabs API, create tooling, and act as customer zero for new developer products. This role … suits engineers who enjoy multi-language stacks, open source, and sharing knowledge through clear writing and talks. #J-18808-Ljbffr ...

Design Verification Engineer

Hiring Organisation
Platform Recruitment
Location
London, UK
Employment Type
Full-time
constrained by legacy methodology; you’ll be encouraged to shape how it’s done. The Role The verification approach is flexible and evolving, combining open-source and in-house tooling rather than relying on rigid, traditional frameworks. Engineers here are expected not just to verify designs … closely with designers to resolve them Build and improve verification infrastructure, including test frameworks and CI systems Contribute to internal tooling and, where appropriate, open-source projects Requirements Strong debugging and problem-solving ability in complex hardware systems 2+ years’ experience in RTL functional verification (FPGA or ASIC ...

Developer Experience Engineer

Location
Greater London, England, United Kingdom
goal of making the ElevenLabs developer experience the gold standard other companies look up to. You’ll help design, build and maintain our open source projects to drive developer adoption. Whether it's our server and client side SDKs or MCP server, you'll be directly involved … improve the ElevenLabs API, build developer tooling, and act as \"customer zero\" for new developer products. This role is perfect for someone who enjoys open source software and jumping between multiple programming languages across the stack. This role is for engineers who are motivated by improving the developer ...

Global Threat Analyst, Protective Intelligence, GSRS, EMEA

Location
Greater London, England, United Kingdom
relevant area. Bachelor's degree or equivalent practical experience. 4 years of experience managing security intelligence analysis and risk mitigation strategies, including experience with Open Source Intelligenc (OSINT). 2 years of experience supporting projects related to close protection (executive protection) operations through analytic support or prior operational … that directly informs critical protective operations, keeping the company’s most at-risk employees safe. You will apply well-honed judgement, security acumen, and open-source research skills to conduct tactical threat monitoring, strategic risk assessments, intelligence briefings, and manage vendor performance. Your role requires established skills ...

Global Threat Analyst, Protective Intelligence, GSRS, EMEA

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
that directly informs critical protective operations, keeping the company's most at-risk employees safe. You will apply well-honed judgement, security acumen, and open-source research skills to conduct tactical threat monitoring, strategic risk assessments, intelligence briefings, and manage vendor performance. Your role requires established skills … Minimum qualifications: Bachelor's degree or equivalent practical experience. 4 years of experience managing security intelligence analysis and risk mitigation strategies, including experience with Open Source Intelligenc (OSINT). 2 years of experience supporting projects related to close protection (executive protection) operations through analytic support or prior operational ...

Global Threat Analyst, Protective Intelligence, GSRS, EMEA

Location
Westminster, West End, United Kingdom
that directly informs critical protective operations, keeping the company's most at-risk employees safe. You will apply well-honed judgement, security acumen, and open-source research skills to conduct tactical threat monitoring, strategic risk assessments, intelligence briefings, and manage vendor performance. Your role requires established skills … Minimum qualifications: Bachelor's degree or equivalent practical experience. 4 years of experience managing security intelligence analysis and risk mitigation strategies, including experience with Open Source Intelligenc (OSINT). 2 years of experience supporting projects related to close protection (executive protection) operations through analytic support or prior operational ...

Enterprise Architect - AI

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 ...

Member of Technical Staff (Software Engineer, Backend API)

Location
Greater London, England, United Kingdom
what the platform offers today. What we look for Experience with designing and operating distributed, high-load systems. Build with frontier models and tools - open source and closed source - every day, and you can walk us through your agentic workflow in detail. High autonomy and agency, paired … ecosystem or in adjacent domains where API schemas evolve fast under real customer load, such as fintech or payments. You've contributed to open-source SDKs, frameworks, or integrations that developers actually use. #J-18808-Ljbffr ...

Software Engineer, New Grad - Infrastructure

Location
Greater London, England, United Kingdom
technical team members. Willingness to learn and make decisions independently, and the ability to ask questions effectively. Eagerness to delve into the source code of open-source libraries (such as Cassandra or Chromium) to truly understand how they work or to debug an issue. Staying … date with recent industry practices and advancements in open-source technology. What We Require Engineering background in fields such as Computer Science, Mathematics, Software Engineering, or Physics. Familiarity with data structures, storage systems, cloud infrastructure, frontend frameworks, and other technical tools. Experience coding in programming languages, such ...

Senior Engineer - Payments

Location
Greater London, England, United Kingdom
across international teams. Why Join Us? Competitive Package: Attractive salary + discretionary performance bonus. Continuous Growth: Dedicated funding for professional certifications, training, and conferences. Open Source First: We embrace open-source principles internally and actively encourage contributions to the wider developer community. About us Ebury delivers ...