876 to 900 of 1,234 Permanent Open Source Jobs

Account Executive, International Defence

Location
United Kingdom
influencers, and budget decision makers)* Exceptional communication skills for establishing clear value propositions through customer conversations, presentations, and written proposals.* A good understanding of open source information for public sector benefit, and possession of appropriate security clearance to operate within the client base* Willing to travel ...

Senior Data Scientist (Senior Software Engineer), BBC Verify

Location
London, England, United Kingdom
with the option to buy an extra 5 days, a defined pension scheme, and discounted dental, health care, and gym. BBC Verify brings together open-source intelligence (OSINT) specialists, disinformation reporters, fact checkers, and data journalists to find impactful stories and offer new lines of compelling coverage across ...

Software Engineering Team Lead

Location
Greater London, England, United Kingdom
small, high-caliber team where your work directly impacts thousands of developers and some of the world’s biggest companies. Work also on an open-source product used and loved by developers. Remote-first, async-friendly, and low on meetings. Competitive salary, stock options, and a culture that ...

Solutions Architect (Defence)

Location
Bristol, England, United Kingdom
support to customers, assisting them with technology choices and solutions to complex problems Using a wide range of technologies, specialising in the use of open-source libraries and components Deploying software systems to a mixture of environments including public (AWS and Azure) and private cloud Managing relationships with ...

Agentic Forward Deployed Engineer

Location
Greater London, England, United Kingdom
relevant: Anthropic Claude and the wider Claude ecosystem OpenAI and GPT‐based technologies AWS Bedrock Google Gemini and associated AI technologies Enterprise use of open‐source large language models Agentic development frameworks and tooling AI‐assisted software engineering environments Prompt and context engineering API‐driven AI integrations Webhooks ...

Customer Success Manager - BytePlus - London, UK

Location
Greater London, England, United Kingdom
gaming, and education. Preferred Qualifications: - Hands‐on experience supporting, improving, or implementing generative AI/LLM products (e.g., model-as-a-service, foundation models, open‐source AI agents, AI coding agents). - Understanding of AI/ML concepts, model architectures, deployment patterns, and business use cases. - Track record ...

AI Research Scientist | Research & Development

Location
Greater London, England, United Kingdom
track record of taking models end-to-end, particularly in the context of LLMs, is valuable. Prior academic publications or meaningful contributions to open-source AI work are a plus. It also helps if you have considered views on how ML research and infrastructure should be done ...

Lead Data Scientist -Platform AI Acceleration

Location
Glasgow, Scotland, United Kingdom
capabilities, and skills Published technical papers, patents, or significant internal publications; conference presentations (speaker/panel) on ML/GenAI/Agentic AI topics. Open-source contributions, including maintaining or meaningfully contributing to ML/GenAI GitHub repositories (libraries, tooling, eval harnesses, MLOps components). Experience with ...

Principal Embedded Software Engineer I

Location
Milton Keynes, England, United Kingdom
optimizing I/O performance. Providing post-production/in-orbit customer support. Interfacing with hardware design and development engineers. Assessing third-party and open-source software. JOB REQUIREMENTS AND MINIMUM QUALIFICATIONS A Bachelor of Science (BS) or Master of Science (MS) degree in Computer Science, Electrical Engineering ...

Senior Product Manager

Location
City Of London, England, United Kingdom
follow through Value collaboration, openness, and continuous improvement Bonus points if you’ve worked with APIs, cloud-native platforms, AI-enabled systems, or open source, but curiosity matters most. Life at Gravitee At Gravitee, we invest in humans, not just roles. You’ll get: Competitive medical coverage Pension ...

Software Engineer

Location
Greater London, England, United Kingdom
provide a seamless path from research to production for machine learning models Enabling large-scale distributed training of machine learning models Contributing back to open-source projects Who are we looking for? Deliver high-quality, well-engineered software with strong architectural awareness Take end-to-end ownership ...

Developer Advocate, Product Management

Location
Southampton, England, United Kingdom
empathy for developer frustrations and challenges Passion for helping others succeed and genuine enjoyment of developer interactions Experience participating in developer communities, forums, or open source projects Natural networking ability and enthusiasm for building relationships Creative problem‐solving skills and willingness to experiment with new approaches Strong analytical ...

Product & Voice Ops - Support Engineer - GammaLabs

Location
Manchester, England, United Kingdom
technical workshops, and sharing best practice. Applying DevOps principles to improve operational efficiency and service delivery. Working with internal teams, third-party vendors, and open-source communities to resolve technical challenges. What you’ll need We’re looking for a proactive, analytical engineer with strong telecommunications expertise ...

Senior Embedded Software Engineer, Pixel Phone Security

Location
City of Westminster, England, United Kingdom
technical leadership role. Experience working on embedded security design and development. Experience in application security, cryptography, systems security or malware analysis. Experience with open source development. About the job Google's software engineers develop the next-generation technologies that change how billions of users connect, explore, and interact ...

AWS DevOps Engineer

Hiring Organisation
National Trust
Location
Swindon, Wiltshire, United Kingdom
Employment Type
Full-Time
Salary
£60,000 per annum
services. Experience in delivering, implementing, and administrating solutions utilising a variety of cloud infrastructure (AWS & Azure). Commercial off the shelf (COTS) and open source packages. Knowledge and experiencing of information security, GDPR, control and threat mitigation. Problem solving ability to debug complex distributed applications, services and databases. ...

Machine Learning Research Engineer

Location
Greater London, England, United Kingdom
chemistry-focused AI applications. Experience building or fine-tuning large language models. Experience with agent-based systems, tool use or agentic workflows. Contributions to open-source ML projects or published research. Orbital is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment ...

Quant Library Developer, Macro Technology

Location
Greater London, England, United Kingdom
forefront of a rapidly evolving technology landscape. We’re a team of experts who experiment and work to discover new ways to harness open-source solutions, modern cloud architectures, and sophisticated Artificial Intelligence (AI) solutions, while embracing enterprise agile methodologies. Our commitment to building and innovating ...

Technical Product Manager - Terminal Application SDLC Tools London, GBR Posted today

Location
Greater London, England, United Kingdom
workflows, and emerging standards for AI integration in SDLC processes Experience with developer experience design, tooling observability, and measuring developer productivity and quality outcomes Open source involvement or community presence If indicated, please note that years of experience are a guide; we will consider applications from all candidates ...

Quantitative Trading & Research - AI/ML Quantitative Researcher - Associate or Vice President

Location
Greater London, England, United Kingdom
optimization, parallelism, mixed precision, checkpointing, experiment design, ablations, and benchmarking. Evidence of research/technical quality through successful large-model training, high‐impact research, open‐source systems, or production deployment. Preferred Qualifications, Capabilities, And Skills Experience with fine‐tuning/post‐training for forecasting, ranking, decision‐making ...

Senior Customer Success Engineer

Location
Manchester, England, United Kingdom
Hybrid working arrangements with flexibility, Access to professional and personal training and development opportunities; Hackathons, Workshops, Lunch & Learns; We encourage involvement in the community, open source work, attending talks and events, and experimenting with new technologies. You’ll Also Receive Other Perks Such As In-house Culinary Crew ...

Machine Learning Research Engineer

Location
Greater London, England, United Kingdom
actually use. Bonus experience: CUDA/Triton kernel development; FlashAttention-style attention implementations; experience with foundation models for biology, vision, or language; contributions to open-source ML frameworks. Personally, you Are comfortable working in a matrixed environment, balancing multiple stakeholders and contributing effectively across teams. Take ownership ...

Principal Security Engineer - Fuzzing Specialist

Location
Cambridge, England, United Kingdom
/lldb, IDA/Ghidra). Excellent written communication for documenting findings and influencing engineering teams. “Nice To Have” Skills and Experience : Contributions to open‐source fuzzing tools, sanitisers, or security research publications. Knowledge of distributed fuzzing at scale (GCP/AWS, Kubernetes, or bare‐metal clusters). ...

London, UK WW Sales Regional Sales Manager

Location
Greater London, England, United Kingdom
across the globe Strategic partnerships with the major cloud native platform providers and public cloud providers (AWS, Microsoft, Google, IBM) At the forefront of open-source cloud native solutions and primary cyber security research. If you’re ready to be your best, now is the perfect time ...

AWS DevOps Engineer

Location
Swindon, England, United Kingdom
services. Experience in delivering, implementing, and administrating solutions utilising a variety of cloud infrastructure (AWS & Azure). Commercial off the shelf (COTS) and open source packages. Knowledge and experiencing of information security, GDPR, control and threat mitigation. Problem solving ability to debug complex distributed applications, services and databases. ...

Systems Technician

Location
Nottingham, England, United Kingdom
Define and execute test strategies for unit, integration, system, and acceptance testing. Software Migration Drive the migration of MATLAB-based data processing tools into open source Python frameworks. Work with Scientific, Engineering, Operations and Quality teams to deliver and develop cutting-edge products for customers. Propose and implement ...