Open Source Jobs in Central London

51 to 75 of 120 Open Source Jobs in Central London

Field-Programmable Gate Arrays Engineer

City of London, London, United Kingdom
Radley James
/ASIC projects from inception to completion. Drive the creation of productivity tools and enhance RTL design workflows. Keep up to date with the latest developments in hardware and open-source FPGA tools. Expand your skills in finance while growing as a specialist in FPGA engineering. Qualifications: Bachelor’s or Master’s degree in Electrical Engineering, Computer Science More ❯
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GPU Software Engineer

City of London, London, United Kingdom
Hybrid / WFH Options
microTECH Global LTD
Develop cross-platform solutions for operating systems including Windows, Linux, iOS, and Android. Enhance, maintain, and expand existing codebases (C/C Python). Integrate third-party commercial and open-source software components. Produce clear and well-structured technical documentation, including specifications, APIs, and integration guides. Support external partners and customers in integrating SDKs. Test and evaluate complex More ❯
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Software Integration Engineer

City of London, London, United Kingdom
Hybrid / WFH Options
Hollbridge
platforms Contribute to core integration layers alongside R&D and codec development teams (C/C++) Support media tool integrations and optimize for performance and compatibility Collaborate with the open-source community: Submit upstream improvements Assist external partners integrating similar technologies Participate in Agile development processes: Sprint planning, team stand-ups, and technical reviews Required Skills & Experience Degree More ❯
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Principal UI Engineer - Global FinTech - £120k + Bonus - London - React/ TypeScript

City of London, London, United Kingdom
Opus Recruitment Solutions
performance profiling tools. Experience with Node.js, Next.js, and modern front-end tooling. Passion for testing, accessibility, and developer experience. Excellent communication skills and a collaborative, problem-solving mindset. Bonus: Open-source contributions or community recognition. 🌟 Why This Fintech? This is a rare opportunity to join a fintech that’s scaling fast, backed by a strong global presence and More ❯
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Founding Machine Learning Engineer

City of London, London, United Kingdom
Hybrid / WFH Options
Opus Recruitment Solutions
experience in applied research, especially in voice conversion, speech synthesis, or NLP. PhD specialization in voice or speech-related ML fields. A track record of thought leadership through publications, open-source contributions, or patents. More ❯
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AI RAG Engineer

City of London, London, United Kingdom
Nihires
of modern cloud infrastructure (e.g., Docker, Kubernetes, serverless, GCP/AWS) 💡 Bonus Skills Built custom eval pipelines using tools like Ragas , TruLens , or your own scoring systems Experience tuning open-source models (e.g., Mistral, LLaMA, Falcon) or working with APIs (OpenAI, Anthropic, Cohere) Exposure to agentic systems , tools + memory management, or multi-step reasoning chains Experience in More ❯
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Artificial Intelligence Engineer

City of London, London, United Kingdom
Hybrid / WFH Options
Experis
Excellent communication skills—you can explain complex ideas clearly to both technical and non-technical audiences. 💡 Bonus Points For Experience with RAG pipelines and improving retrieval performance. Contributions to open-source AI projects. A portfolio of AI-powered products or prototypes you’ve helped bring to life. 🚀 Why You’ll Love It Here Work on meaningful AI applications More ❯
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Machine Learning Engineer - Generative AI

City of London, London, United Kingdom
Qubit Analytics
in scalable algorithm design for real-time or interactive applications. Experience integrating machine learning models with complex production pipelines, including 3D graphics or AR/VR systems. Contributions to open-source research codebases or prior collaboration with academic/industry research labs. Key Responsibilities Develop and optimize state-of-the-art generative models (GANs, diffusion models) for real More ❯
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Generative AI Engineer

City of London, London, United Kingdom
Bayezian
or related function. Experience with AWS Bedrock, AWS OpenSearch and or Azure ML Studio, Azure AI Foundry. Experience with Serverless Architectures in Azure/AWS/GCP. Experience with open-source LLMs or Small Language Models (SLMs). Experience with front-end development using vanilla javascript or javascript/typescript frameworks. Experience with OOP and SOLID principles What More ❯
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CoPilot Architect

City of London, England, United Kingdom
JR United Kingdom
Certifications: Azure Solutions Architect Expert, CISSP, or equivalent. Experience with AI policy bodies, standards organizations, or government advisory panels. Familiarity with cross-border data flows, emerging AI regulations, and open-source AI projects. Strategic Visionary: Anticipates AI trends, shapes long-term roadmaps, and aligns technology with business goals. Executive Collaborator: Builds trust at board level and guides decision More ❯
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Computational Physicist (CFD Focus)

City of London, London, United Kingdom
Hybrid / WFH Options
Quantemol Ltd
of kinetic plasma models (Boltzmann solver, Monte Carlo, PIC). In-depth knowledge of rarefied gas flows or reacting flows. Experience with plasma chemistry design. Familiarity with commercial or open-source CFD packages (e.g., OpenFOAM, Ansys Fluent).  What We Offer: A competitive salary and benefits package. Work-life balance and hybrid working UK Visa sponsorship, if necessary. More ❯
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Senior Software Engineer (Product)

City of London, England, United Kingdom
Robert Walters UK
quality What makes you a good fit You're strong in Python, TypeScript, or both You’ve gone deep into something—could be games, compilers, trading systems, robotics, obscure open-source projects You thrive in early-stage chaos and don’t wait for permission to fix things You care more about building something valuable than chasing the perfect More ❯
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Artificial Intelligence Engineer

City of London, London, United Kingdom
Techmunity
file systems, simulations, and toolchains Bonus: interest or experience in robotics, mechanical/aerospace workflows, or simulation environments A history of high-agency contributions — student teams, startup side projects, open source, or technical competitions Logistics & Perks Hybrid: 3–4 days/week in their Hoxton office (London) Competitive salary (we're talking top 0.01% of the market here More ❯
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Graduate Software Engineer – Frontend

City of London, London, United Kingdom
Zettafleet
tasks. Collaboration and communication: Excellent interpersonal and communication skills, with technical and non-technical stakeholders. Nice to have: Visual design: Background in graphic design and/or visual arts. Open-source: Contributions to and experience in open-source projects. Startup experience: Experience with a startup work environment and wider ecosystem. Why join us? Work in an More ❯
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Software Engineer – Frontend

City of London, London, United Kingdom
Zettafleet
tasks. Collaboration and communication: Excellent interpersonal and communication skills, with technical and non-technical stakeholders. Nice to have: Visual design: Background in graphic design and/or visual arts. Open-source: Contributions to and experience in open-source projects. Startup experience: Experience with a startup work environment and wider ecosystem. Why join us? Work in an More ❯
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Python Engineer Trading

City of London, London, United Kingdom
Quant Capital
/7 globally. You will play a serious part in making the London office more efficient in its execution. The environment is that of Facebook or Google, relaxed open with time to think and make the right decisions. The atmosphere is calm and relaxed with an open dress code. This is a role for techies, those who are … and the possibility of making serious money doing something you are passionate about. Development is agile and fast paced. As requirements evolve you will leverage the best of the open source community, sometimes substituting your own solutions where greater performance is needed. You will be encouraged to evangelise and prototype new technologies and through doing so you will More ❯
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Senior UI Engineer - Financial Services - £120k - React/ TypeScript

City of London, London, United Kingdom
Opus Recruitment Solutions
tooling - Next.js is a plus! Passion for clean, scalable code and a strong testing culture Experience working with design systems and performance optimization Bonus: Exposure to Node.js, monorepos, or open-source contributions BSc in Computer Science or related field is a big plus More ❯
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Machine Learning Engineer - London

City of London, London, United Kingdom
Oliver Bernard
industries. Their team, composed of experienced professionals from leading technology firms, is tackling cutting-edge challenges at the intersection of machine learning, infrastructure, and product development. Responsibilities Fine-tune open-source PyTorch models using proprietary datasets. Convert and optimise models for high-performance C++ runtimes. Design and execute experiments balancing latency, accuracy, and robustness. Integrate ML models into More ❯
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Machine Learning Engineer - Up to £150k + Equity

City of London, London, United Kingdom
Oliver Bernard
industries. Their team, composed of experienced professionals from leading technology firms, is tackling cutting-edge challenges at the intersection of machine learning, infrastructure, and product development. Responsibilities Fine-tune open-source PyTorch models using proprietary datasets. Convert and optimise models for high-performance C++ runtimes. Design and execute experiments balancing latency, accuracy, and robustness. Integrate ML models into More ❯
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Machine Learning Engineer - London

City of London, England, United Kingdom
JR United Kingdom
industries. Their team, composed of experienced professionals from leading technology firms, is tackling cutting-edge challenges at the intersection of machine learning, infrastructure, and product development. Responsibilities Fine-tune open-source PyTorch models using proprietary datasets. Convert and optimise models for high-performance C++ runtimes. Design and execute experiments balancing latency, accuracy, and robustness. Integrate ML models into More ❯
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Staff Engineer

City of London, London, United Kingdom
Hybrid / WFH Options
Cavendish Professionals
it, and can scale it pragmatically Strong systems design, architecture, and a clear, pragmatic communication style Experience leading complex technical projects or products, either in a company, startup, or open-source community Bonus points if you’ve worked on privacy tech, GraphQL, OAuth, embedded systems, or large-scale data pipelines. 🌍 Why You Might Love It: ✅ A bold mission More ❯
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Senior Legal Counsel, Cloud

City of London, London, United Kingdom
Tencent
Wallet) and industry-leading cloud products and services. Job Responsibilities Advise on a broad range of legal and commercial matters in the areas of cloud services, AI, technology licensing, open source software, and export control compliance. Draft, review, and negotiate complex software license agreements, cloud services, cloud infrastructure and channel distribution agreements, and other general commercial agreements. Collaborate More ❯
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LLM Engineer

City of London, London, United Kingdom
Ultralytics
days vacation, your birthday off, plus local holidays. Flexible Hours: Tailor your working hours to suit your productivity. Tech: Engage with cutting-edge AI projects and contribute to leading open-source software. Gear: Brand-new Apple MacBook and Apple Display provided. Team: Become part of a supportive and passionate team environment. If you are driven to redefine the More ❯
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Senior Performance Modeling Engineer

City of London, London, United Kingdom
Flux Computing
able to turn millions of simulation samples into one decisive slide. Bachelor’s+ in EE, CS, Physics, Applied Maths or related; advanced degree preferred but not required. Personal or open-source projects in simulators, ML kernels, or performance analysis are a significant plus. Compensation & Benefits Competitive salary and stock options in a rapidly growing AI company. Based in More ❯
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Big Data Architect (Open source contributor)

City of London, London, United Kingdom
HCLTech
and Healthcare, Technology and Services, Telecom and Media, Retail and CPG, and Public Services. Consolidated revenues as of $13+ billion. Location - London Skill - Apache Hadoop We are looking for open-source contributors to Apache projects, who have an in-depth understanding of the code behind the Apache ecosystem, should have experience in Cloudera or similar distribution and should … possess in depth knowledge of bigdata tech stack. Requirement: Experience of platform engineering along with application engineering (hands-on) Experience in design of an open source platform based on Apache framework for Hadoop. Experience in integrating Infra-as-a-Code in their platform (Bespoke implementation from scratch) Experience of design & architect work for the open source Apache platform in hybrid cloud environment Ability to do debug & fix code in the open source Apache code and should be an individual contributor to open source projects. Job description: The Apache Hadoop project requires up to 3 individuals with experience in designing and building platforms, and supporting applications both in cloud environments and on More ❯
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Open Source
Central London
10th Percentile
£48,000
25th Percentile
£61,563
Median
£82,500
75th Percentile
£94,063
90th Percentile
£135,750