76 to 100 of 298 Open Source Jobs in the UK excluding London

Backend Engineer (Distributed Systems Engineer)

Hiring Organisation
TechChain Talent
Location
Slough, Berkshire, UK
Employment Type
Full-time
that scale across thousands of nodes • Performance-critical modules for consensus, networking, and data pipelines • Internal tooling for observability, testing, and simulation • Contributions to open-source infra and protocol-level primitives What You Bring • 5+ years of backend engineering experience in systems-level environments • Deep knowledge of distributed … cloud-native infra • Familiarity with blockchain, cryptographic protocols, or decentralized coordination Bonus Points • Experience in zero-knowledge systems, MPC, or verifiable computation • Contributions to open-source infra projects • Prior work in Layer 1 or Layer 2 blockchain development Why Join • Stealth-stage impact with protocol-grade ownership • Competitive ...

Embedded Linux Engineer

Hiring Organisation
Platform Recruitment
Location
CB3, Cambridge, Cambridgeshire, United Kingdom
Employment Type
Permanent
Salary
£60000 - £70000/annum
Embedded Linux Engineer : Porting the OS, integrating with ODM software Fixing build issues when moving to new platforms and applying patches to debug open-source software Researching technical growth Requirements: Highly experienced with embedded build systems, preferably buildroot, OpenWRT, or other WRT-Variants Experienced with CLANG and very … confident working with patches on open source software Strong understanding of network protocols Desirable skills for an Embedded Linux Engineer: Experience developing Linux kernel modules and using the kernel build system Knowledge of the Wireless and Linux network stack Experience managing the process from a reference board ...

Software Engineer

Hiring Organisation
Oscar Associates (UK) Limited
Location
Oxford, Oxfordshire, United Kingdom
Employment Type
Permanent
Salary
GBP 55,000 Annual
Level Software Engineer Salary: £45,000 - £55,000 Location: Oxford (Hybrid - 3 days per week in office) Industry: Open-Source Software/Digital Platforms The Opportunity I'm recruiting for an innovative Oxford-based tech company that's expanding its engineering team to support its growing suite … open-source digital platforms click apply for full job details ...

Principal / Associate Geospatial Developer

Hiring Organisation
Tetra Tech
Location
Manchester, North West, United Kingdom
Employment Type
Permanent
Edge Technology: Get hands-on with the full Esri product suite (ArcGIS Pro, Enterprise, AGOL), Microsoft Azure, MS SQL Server, PostgreSQL and the latest open-source platforms - plus AI/ML frameworks that power truly intelligent mapping and analytics. Diverse, High-Impact Projects: From single-discipline proofs ...

Principal / Associate Geospatial Developer

Hiring Organisation
Tetra Tech
Location
Southampton, Hampshire, South East, United Kingdom
Employment Type
Permanent
Edge Technology: Get hands-on with the full Esri product suite (ArcGIS Pro, Enterprise, AGOL), Microsoft Azure, MS SQL Server, PostgreSQL and the latest open-source platforms - plus AI/ML frameworks that power truly intelligent mapping and analytics. Diverse, High-Impact Projects: From single-discipline proofs ...

Senior Java Developer - Manchester

Hiring Organisation
Morson Edge
Location
Manchester, North West, United Kingdom
Employment Type
Permanent
microservices architecture and containerization (Docker, Kubernetes) Exposure to CI/CD pipelines and DevOps practices Background in agile methodologies and delivery management Contributions to open-source Java libraries or frameworks Why Join Them? Work with brilliant, passionate engineers Real ownership & influence over the product roadmap Flexible working hours ...

Java Engineer

Hiring Organisation
Profile 29
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£60,000
case-management or service-orchestration platforms Understanding of agentic AI capabilities and how they can complement workflow automation Experience mentoring developers or contributing to open-source Camunda extensions Already holding UK security clearance (SC, DV, eDV) What They Offer A company option scheme gives their employees a stake ...

Python Developer

Hiring Organisation
Proactive Appointments
Location
Guildford, Surrey, England, United Kingdom
Employment Type
Full-Time
Salary
£55,000 - £65,000 per annum
systems experience Excellent written and verbal communication skills for both technical and non-technical audiences Desirable/Bonus Skills FreeSWITCH configuration and/or source code knowledge C/C++ for open-source troubleshooting Kamailio configuration experience Auth0/OAuth 2.0 MongoDB or MySQL GitHub Actions ...

Python Developer

Hiring Organisation
Proactive Appointments
Location
Guildford, Surrey, United Kingdom
Employment Type
Permanent
Salary
GBP 55,000 - 65,000 Annual
systems experience Excellent written and verbal communication skills for both technical and non-technical audiences Desirable/Bonus Skills FreeSWITCH configuration and/or source code knowledge C/C++ for open-source troubleshooting Kamailio configuration experience Auth0/OAuth 2.0 MongoDB or MySQL GitHub Actions ...

Senior Software Developer

Hiring Organisation
OPR Ltd
Location
Guildford, Surrey, South East, United Kingdom
Employment Type
Permanent
Salary
£65,000
systems) Docker containerisation Linux (Ubuntu-based) environments A full driving licence and car due to the clients location Desirable Skills FreeSWITCH (configuration and, ideally, source code) C/C++ (for open-source troubleshooting or minor code changes) Kamailio Auth0/OAuth 2.0 MongoDB and/or MySQL ...

Software Engineer

Hiring Organisation
Believe Money Group
Location
Manchester, UK
Employment Type
Full-time
backend) and Vue.js (frontend), with a strong focus on Event Sourcing and CQRS architectures. Given the specialised nature of our tech stack, we're open to strong C# developers eager to dive into functional programming. This hybrid role requires hands-on experience building and scaling production-grade applications … Platform) or others such as Azure or AWS. • Knowledge of DevOps practices, CI/CD pipelines, or containerisation (e.g., Docker, Kubernetes). • Contributions to open-source projects or a strong portfolio showcasing relevant work. What We Offer • Competitive salary in the range of £55,000 – £70,000 base ...

Senior Cloud Engineer

Hiring Organisation
Fruition Group
Location
Slough, Berkshire, UK
Employment Type
Full-time
modern engineering practices (Git-based workflows, DevOps, observability, automation) Experience working in agile delivery environments using tools such as Jira or Confluence Familiarity with open-source tooling and communities Experience with cloud security, vulnerability scanning, and risk management tools Strong knowledge of networking concepts for large-scale, container ...

Senior Staff Engineer (Machine Learning) - 45391

Hiring Organisation
Turing
Location
Bradford, UK
Employment Type
Full-time
Science, Engineering, or related field (PhD preferred). Nice to Have: Experience building Agentic applications Experience training or fine-tuning foundation models. Contributions to open-source ML or LLM frameworks. Understanding of Responsible AI, bias mitigation, and model interpretability. Perks of Freelancing With Turing: Work in a fully ...

Senior Staff Engineer (Machine Learning) - 45391

Hiring Organisation
Turing
Location
Belfast, UK
Employment Type
Full-time
Science, Engineering, or related field (PhD preferred). Nice to Have: Experience building Agentic applications Experience training or fine-tuning foundation models. Contributions to open-source ML or LLM frameworks. Understanding of Responsible AI, bias mitigation, and model interpretability. Perks of Freelancing With Turing: Work in a fully ...

Senior Staff Engineer (Machine Learning) - 45391

Hiring Organisation
Turing
Location
Cardiff, UK
Employment Type
Full-time
Science, Engineering, or related field (PhD preferred). Nice to Have: Experience building Agentic applications Experience training or fine-tuning foundation models. Contributions to open-source ML or LLM frameworks. Understanding of Responsible AI, bias mitigation, and model interpretability. Perks of Freelancing With Turing: Work in a fully ...

Senior Staff Engineer (Machine Learning) - 45391

Hiring Organisation
Turing
Location
Edinburgh, UK
Employment Type
Full-time
Science, Engineering, or related field (PhD preferred). Nice to Have: Experience building Agentic applications Experience training or fine-tuning foundation models. Contributions to open-source ML or LLM frameworks. Understanding of Responsible AI, bias mitigation, and model interpretability. Perks of Freelancing With Turing: Work in a fully ...

Senior Staff Engineer (Machine Learning) - 45391

Hiring Organisation
Turing
Location
Lincoln, Lincolnshire, UK
Employment Type
Full-time
Science, Engineering, or related field (PhD preferred). Nice to Have: Experience building Agentic applications Experience training or fine-tuning foundation models. Contributions to open-source ML or LLM frameworks. Understanding of Responsible AI, bias mitigation, and model interpretability. Perks of Freelancing With Turing: Work in a fully ...

Senior Staff Engineer (Machine Learning) - 45391

Hiring Organisation
Turing
Location
Warrington, Cheshire, UK
Employment Type
Full-time
Science, Engineering, or related field (PhD preferred). Nice to Have: Experience building Agentic applications Experience training or fine-tuning foundation models. Contributions to open-source ML or LLM frameworks. Understanding of Responsible AI, bias mitigation, and model interpretability. Perks of Freelancing With Turing: Work in a fully ...

Senior Staff Engineer (Machine Learning) - 45391

Hiring Organisation
Turing
Location
Portsmouth, Hampshire, UK
Employment Type
Full-time
Science, Engineering, or related field (PhD preferred). Nice to Have: Experience building Agentic applications Experience training or fine-tuning foundation models. Contributions to open-source ML or LLM frameworks. Understanding of Responsible AI, bias mitigation, and model interpretability. Perks of Freelancing With Turing: Work in a fully ...

Senior Staff Engineer (Machine Learning) - 45391

Hiring Organisation
Turing
Location
Plymouth, Devon, UK
Employment Type
Full-time
Science, Engineering, or related field (PhD preferred). Nice to Have: Experience building Agentic applications Experience training or fine-tuning foundation models. Contributions to open-source ML or LLM frameworks. Understanding of Responsible AI, bias mitigation, and model interpretability. Perks of Freelancing With Turing: Work in a fully ...

Senior Staff Engineer (Machine Learning) - 45391

Hiring Organisation
Turing
Location
Maidstone, Kent, UK
Employment Type
Full-time
Science, Engineering, or related field (PhD preferred). Nice to Have: Experience building Agentic applications Experience training or fine-tuning foundation models. Contributions to open-source ML or LLM frameworks. Understanding of Responsible AI, bias mitigation, and model interpretability. Perks of Freelancing With Turing: Work in a fully ...

Senior Staff Engineer (Machine Learning) - 45391

Hiring Organisation
Turing
Location
Bedford, Bedfordshire, UK
Employment Type
Full-time
Science, Engineering, or related field (PhD preferred). Nice to Have: Experience building Agentic applications Experience training or fine-tuning foundation models. Contributions to open-source ML or LLM frameworks. Understanding of Responsible AI, bias mitigation, and model interpretability. Perks of Freelancing With Turing: Work in a fully ...

Senior Staff Engineer (Machine Learning) - 45391

Hiring Organisation
Turing
Location
Guildford, Surrey, UK
Employment Type
Full-time
Science, Engineering, or related field (PhD preferred). Nice to Have: Experience building Agentic applications Experience training or fine-tuning foundation models. Contributions to open-source ML or LLM frameworks. Understanding of Responsible AI, bias mitigation, and model interpretability. Perks of Freelancing With Turing: Work in a fully ...

Senior Staff Engineer (Machine Learning) - 45391

Hiring Organisation
Turing
Location
Colchester, Essex, UK
Employment Type
Full-time
Science, Engineering, or related field (PhD preferred). Nice to Have: Experience building Agentic applications Experience training or fine-tuning foundation models. Contributions to open-source ML or LLM frameworks. Understanding of Responsible AI, bias mitigation, and model interpretability. Perks of Freelancing With Turing: Work in a fully ...

Senior Staff Engineer (Machine Learning) - 45391

Hiring Organisation
Turing
Location
Peterborough, Cambridgeshire, UK
Employment Type
Full-time
Science, Engineering, or related field (PhD preferred). Nice to Have: Experience building Agentic applications Experience training or fine-tuning foundation models. Contributions to open-source ML or LLM frameworks. Understanding of Responsible AI, bias mitigation, and model interpretability. Perks of Freelancing With Turing: Work in a fully ...