2,076 to 2,100 of 2,445 Open Source Jobs in the UK

Senior Java Infra Engineer for Elasticsearch Core Platform

Location
United Kingdom
maintainable, and secure. You will contribute as a strong individual contributor and lead cross-team projects, designing scalable features, improving observability, and collaborating with open source projects. This role emphasizes autonomy, design excellence, and the ability to communicate technical concepts across teams in a distributed company. #J ...

Research Associate: ML for Astronomical Imaging

Location
Cambridge, England, United Kingdom
completion) in a related field and will contribute to data pipelines, model training, and deployment on GPU/HPC systems, publishing results and releasing open-source tools. #J-18808-Ljbffr ...

Senior Software Engineer - Rust & Property Testing (London)

Location
Greater London, England, United Kingdom
London seeks engineers at senior to staff levels to build the future of autonomous testing. You will join the team maintaining Bombadil, an open-source project, including working with the specification language, verifier, and Chromium automation. The role emphasizes high-quality engineering across testing, frontend tasks, and tooling. ...

Software Engineer, Query Engines & Data Systems

Location
Greater London, England, United Kingdom
Palantir is seeking a senior software engineer to help build the data processing backbone of Foundry, applying open-source data technologies to real-world problems for hospitals, supply chains, and more. You will own design-to-production improvements, extending engines and planning capabilities across large tables and diverse ...

Software Engineer

Hiring Organisation
Platform Recruitment
Location
London, United Kingdom
Employment Type
Permanent
Salary
£80000 - £115000/annum
commercial C++ expertise Significant bias towards C++ development Genuine passion for writing clean, performant code Bonus if : Commercial C++ experience Have worked on open-source projects Have an activity portfolio of personal C++ projects Full details are available. Please don't hesitate to get in touch. ...

Senior Firmware Engineer

Hiring Organisation
Platform Recruitment
Location
Bedford, Bedfordshire, United Kingdom
Employment Type
Permanent
Salary
£80000 - £90000/annum
Several years of commercial experience in cellular or RF firmware. Bonus Skills Familiarity with TI DSP architecture or Xilinx SoC development toolchains Experience with open-source SDR tools like srsRAN or PCI-based host-to-DSP communication architectures. If you are a proactive problem-solver ready to take ...

Backend Engineer

Location
Greater London, England, United Kingdom
research answers Bonus points: BS/MS in Computer Science or related field Basic frontend web development (JS, HTML, CSS, AJAX) A strong open source presence (send us your profile links!) Back to all careers #J-18808-Ljbffr ...

Autopilot Software Engineer

Location
Fareham, England, United Kingdom
world” levels of quality and performance Nice to haves Aviation or RC model aircraft background or interest including piloting Experience with using/modifying open-source autopilot ecosystem (Betaflight/Ardupilot/PX4/MissionPlanner etc.) #J-18808-Ljbffr ...

Autopilot Software Engineer

Location
Park Gate, England, United Kingdom
world” levels of quality and performance Nice to haves Aviation or RC model aircraft background or interest including piloting Experience with using/modifying open-source autopilot ecosystem (Betaflight/Ardupilot/PX4/MissionPlanner etc.) #J-18808-Ljbffr ...

Senior Android Engineer

Hiring Organisation
Spencer Rose Ltd
Location
Bristol, Somerset, United Kingdom
Employment Type
Contract
Contract Rate
GBP Daily
design principles Good knowledge of Android architecture patterns and best practices Experience with offline storage, threading and performance tuning Strong knowledge of the wider open-source Android ecosystem and commonly used libraries Experience with Git and modern software development practices Strong understanding and practical application of SOLID principles ...

FaceSwap Artist - all levels - London Studio

Hiring Organisation
Disney Interactive
Location
London, UK
Employment Type
Full-time
experience in any discipline are encouraged to apply. What You'll DoUse a variety of deep learning based technologies to produce photorealistic images, including open source tools, and proprietary in house softwareCreate templates to facilitate model evaluationMonitor the training progress, and assess improvements and quality; making necessary adjustments ...

Linux Systems Administrator – Docker

Hiring Organisation
Quant Capital
Location
London, United Kingdom
Salary
£ 70 K
event of downtime? Monitor server health and performance? Support the business in requests for dataAs 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 ...

Autopilot Software Engineer

Hiring Organisation
Matchtech
Location
Hampshire, United Kingdom
Employment Type
Permanent
deliver on-time with real-world quality/performance Nice to have Aviation or RC model aircraft interest/background (including piloting) Experience with open-source autopilot ecosystems such as Betaflight, Ardupilot, PX4, MissionPlanner Location/working pattern Hybrid , but primarily on-site (hardware + flight test requirements ...

Linux Engineer - Quant Trading

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
with improving and building a best-in-class platform that powers the complex trading systems. The technology is a mixture of in-house and open-source allowing deep customisation and innovation on every level. My client automates as much as they can because it reduces human error ...

Junior Quant Analyst

Hiring Organisation
Quant Capital
Location
London, United Kingdom
Salary
£ 70 K
high frequency trading strategies. You’ll be part of a small team, working in a relaxed environment, and using a range of modern open-source tools including Jupyter, PyTorch and Spark. You’ll have the opportunity to work with terabytes of data, and will be part ...

Senior Researcher, Natural Language Processing

Location
Greater London, England, United Kingdom
workflows. Demonstrated ability to publish research results in top-tier NLP conferences (e.g., ACL, EMNLP, NAACL, NeurIPS, ICLR) or practical contributions to open-source LLM/NLP projects is preferred. Comfortable with both classical (e.g., CRF, SVM) and deep learning approaches (e.g., Transformers, RNNs, CNNs, LSTMs, GANs). ...

Principal AI Engineer

Location
Greater London, England, United Kingdom
production-grade RAG pipelines across complex unstructured data Design and deploy multi-agent AI systems and orchestration frameworks Integrate LLMs across OpenAI, Anthropic, and open-source ecosystems Develop semantic search, vector database, and graph-based retrieval systems Own AI evaluations, observability, governance, and reliability Build internal AI products ...

Junior Quant Analyst – Stats

Hiring Organisation
Quant Capital
Location
London, United Kingdom
Salary
£ 70 K
high frequency trading strategies. You’ll be part of a small team, working in a relaxed environment, and using a range of modern open-source tools including Jupyter, PyTorch and Spark. You’ll have the opportunity to work with terabytes of data, and will be part ...

Research Software Engineer / Researcher in Quantum Computing and Verification – (Job ID: 186324)

Location
Oxford, England, United Kingdom
international partners in quantum computing and theoretical computer science. The successful candidate will contribute to peer-reviewed publications, research dissemination, and development of open-source or experimental tools supporting the project’s scientific objectives. This is a research-intensive appointment within one of the world’s leading institutions ...

Forward Deployed Engineer

Location
Greater London, England, United Kingdom
startups or similarly technically demanding environments Evidence of exceptional technical ability, such as a top CS degree, strong engineering company, founding experience, competitive programming, open-source work or similar Comfortable navigating, understanding and debugging large, unfamiliar codebases Experience building and shipping production software, ideally including greenfield ...

Angular.JS Javascript Developer hashtag-hack pseudo-app

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
future of finance and be rewarded accordingly. 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 ...

Front-end JavaScript Developer (Angular) - FinTech

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
future of finance and be rewarded accordingly. 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 ...

Core Linux Systems Specialist

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
improving and building a best-in-class platform that powers the complex proprietry trading systems. The technology is a mixture of in-house and open-source allowing deep customisation and innovation on every level. Automation is key for my client, they automate as much as they ...

Core Linux Engineer - Quant Trading

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
improving and building a best-in-class platform that powers the complex proprietry trading systems. The technology is a mixture of in-house and open-source allowing deep customisation and innovation on every level. Automation is key for my client, they automate as much as they ...

Linux Engineering Manager - Tier 1 HFT

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
with improving and building a best-in-class platform that powers the complex trading systems. The technology is a mixture of in-house and open-source allowing deep customisation and innovation on every level. Responsibilities: Providing strong leadership and guidance to the growing team of Linux Engineers, both ...