1,601 to 1,625 of 3,221 Open Source Jobs in the UK

Senior Software Engineer C Linux Networking - Remote

Hiring Organisation
Saxon Recruitment Solutions
Location
Edinburgh, UK
Employment Type
Full-time
etc5+ years relevant experience with the ability to write quality C code under Linux with a good understanding of this OS and open source software development, debugging. It would be useful if you have some knowledge of the following : Knowledge in software development of Data Forwarding paths (Software ...

Senior Backend Engineer

Location
Greater London, England, United Kingdom
these as well, even better... You have some personal projects on the go (maybe you write a blog, help with friends' websites, contribute to open source projects etc.) You've worked with LLMs such as Claude, and written your own plugins/skills/agents Through your work ...

Computational Scientist

Location
Culham, England, United Kingdom
plasma modelling challenges, helping to accelerate the development of future fusion technologies. A substantial part of the role will focus on FreeGSNKE, UKAEA's open-source tool for modelling tokamak plasma equilibria and evolution. You will help develop and maintain the code, improve its performance on modern computing ...

Software Engineer

Hiring Organisation
Yext
Location
London, UK
Employment Type
Full-time
paced, high growth environmentPreferred QualificationsGood working experience with Full Stack development (React, TypeScript, JavaScript, Node JS, Python, Go and/or Java)Contribution to open-source projectsExperience with Agentic Coding Tools2-5 years of relevant software engineering experience#LI-JS2Yext is an equal opportunity employer committed to building ...

Senior Platform Architect

Hiring Organisation
Temporal Technologies
Location
London, United Kingdom
Salary
£ 70 K
practices for distributed systemsBackground in professional services, technical consulting, or solutions engineering rolesExperience with Kubernetes, cloud platforms, and infrastructure-as-code toolsContributions to open source projects or developer communitiesExperience designing and delivering technical training or workshopsTemporal Technologies is an Equal Opportunity Employer. Temporal Technologies does not discriminate ...

Lead Software Developer ( SC Cleared )

Location
Swansea, Wales, United Kingdom
strong evidence that you can ramp up quickly. Domain knowledge of UK tax administration. Experience in regulated public-sector or financial-services environments. Open-source contributions to government engineering ecosystems. Active community-of-practice contribution, such as talks, blog posts, or internal teaching. Location and Working Pattern Hybrid ...

Senior ML Engineer

Hiring Organisation
Boehringer Ingelheim
Location
London, UK
Employment Type
Full-time
working with biomedical data modalities such as genomics, multi-omics, clinical or imaging data in an ML context is advantageous Publications/Contributions to open-source ML projects or tooling This is a hybrid role with approximately 3 days a week in the office. WHY THIS ...

Senior Conversational AI Delivery Engineer

Location
United Kingdom
have Vendor Professional Certification (e.g., Google Dialogflow, Amazon Lex, Microsoft Bot Framework, Cognigy). Participation in AI hackathons or community projects (e.g., NVIDIA, open‐source agent frameworks). Familiarity with Omilia OCP, Pathfinder, Voice Biometrics, CoPilot, or OptimizeIQ. Domain experience in banking, healthcare, utilities, or insurance CX. Exposure ...

Lead Compute Platform Engineer

Location
Greater London, England, United Kingdom
productivity when using our framework and services Identifying and implementing computational improvements Making improvements and/or fixing bugs by submitting patches to open-source projects in our stack, such as Spark, Iceberg, Hadoop, Airflow, and many others Acting as an expert on Spark and Scala Mentoring engineers ...

Principal Embedded Software Engineer I

Hiring Organisation
CesiumAstro
Location
Milton Keynes, Buckinghamshire, UK
Employment Type
Full-time
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 QUALIFICATIONSA Bachelor of Science (BS) or Master of Science (MS) degree in Computer Science, Electrical Engineering ...

2027 Data Scientist Graduate Programme - Insurance Consulting - London/Reigate

Hiring Organisation
WTW
Location
Greater London, United Kingdom
Employment Type
Full Time
Deliver data science projects that involve the development, assessment and deployment of machine learning models and writing of high-quality code Learn and apply open-source tools and technology, alongside WTW’s own proprietary insurance technology solutions, used widely by the insurance market. Grow through structured early-career ...

Senior Software Engineer

Location
Greater London, England, United Kingdom
future fundamental improvements. Longer term, you will help define and drive the architectural evolution of the software stack, potentially including migration from MATLAB toward open‐source systems. As the company grows, there will also be opportunities to contribute to data architecture, offline scientific analysis pipelines, and web portals. ...

2027 Data Scientist Internship Programme - P&C Insurance - London/Reigate

Hiring Organisation
WTW
Location
Greater London, United Kingdom
Employment Type
Full Time
Deliver data science projects that involve the development, assessment and deployment of machine learning models and writing of high-quality code Learn and apply open-source tools and technology, alongside WTW’s own proprietary insurance technology solutions, used widely by the insurance market Grow through structured early-career ...

Software Engineer-Affiliate Partnerships

Location
Greater London, England, United Kingdom
Boot. Passionate about technology and continuous improvement, demonstrating exceptional coding proficiency, a commitment to clean and elegant code, and a keen interest in exploring open-source projects. Proactive, fast learner, and highly collaborative, with strong communication, analytical, and problem-solving skills, capable of independently identifying and resolving complex ...

Forward Deployed AI Engineer

Hiring Organisation
Hackajob Ltd
Location
London, United Kingdom
Employment Type
Permanent
Deepexpertisein designing and deploying agentic solutions (agents, orchestration, context engineering, RAG, workflows) in production environments. Experience with AI platforms OpenAI, Claude, Vertex AI, plus open-source models including building abstraction layers to manage multi-provider pipelines. Experience deploying toproduction,CI/CD, infrastructure as code (Terraform, Helm), monitoring ...

Forward Deployed Engineer

Hiring Organisation
Hackajob Ltd
Location
London, United Kingdom
Employment Type
Permanent
designing and deploying agentic solutions (agents, orchestration, context engineering, RAG, workflows) in production environments. Experience with AI platforms OpenAI, Claude, Vertex AI, plus open-source models including building abstraction layers to manage multi-provider pipelines. Experience deploying to production, CI/CD, infrastructure as code (Terraform, Helm), monitoring ...

Forward Deployed Engineering Assoc Manager

Hiring Organisation
Accenture
Location
London, UK
Employment Type
Full-time
solutions (agents, orchestration, context engineering, RAG, workflows) in production environments. Minimum of 3 years of experience with AI platforms — OpenAI, Claude, Vertex AI, plus open-source models — including building abstraction layers to manage multi-provider pipelines. Minimum of 10 years of experience deploying to production , CI/ ...

Senior Machine Learning 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 ...

Developer Content Engineer

Location
United Kingdom
tutorials, documentation, learning material, technical blogs or code examples would be valuable. We would also welcome experience with docs-as-code workflows, developer education, open-source communities, technical events or AI-assisted development and content creation. If you're an engineer who enjoys discovering how things work ...

Software Engineer III - Backend Engineering - Java/Kotlin

Location
Greater London, England, United Kingdom
based languages (Java/Kotlin) but we also have parts of the platform that use other languages as needed. We look to use Open source when it makes sense and build ourselves when it doesn't. We are entirely cloud native and want to build a truly multi ...

Principal AI Architect (Google Cloud)

Hiring Organisation
Datatonic
Location
London, UK
Employment Type
Full-time
production. Deep understanding of AI evaluation methodologies and guardrail implementations. Frameworks & Tools: Hands-on experience with agentic frameworks (Google ADK, LangGraph), LLMs (Gemini, Claude, open-source), cloud and database architecture (Cloud SQL, Firestore, BigQuery, Postgres), and AI security & observability (OpenTelemetry, guardrails, LLM gateways).Data & Workload Orchestration: Mastery ...

Managing Consultant - C&M - Google Cloud (Technical Lead)

Location
Greater London, England, United Kingdom
above, we would be thrilled if you also had: Knowledge of other cloud platforms Automation DevOps experience using Google tech like Cloud Build and open source tech like terraform We know the skill-gap and ‘somewhat need to tick every box’ can get in the way of meeting ...

Senior Sales Development Representative (UK)

Location
Greater London, England, United Kingdom
thanks by giving tacos!) Prior experience selling into engineering or DevOps personas Familiarity with AI and GenAI developer tools Knowledge of open source ecosystems or cloud-native technologies Experience collaborating closely with Account Executives in an enterprise sales motion About Coder Coder is the leading platform ...

Software Engineering Intern (Summer 2027)

Location
Greater London, England, United Kingdom
this position will be located. Nice to have Hands-on experience with LLMs, evaluations, or agentic systems — whether from coursework, research, or personal projects Open source contributions or a portfolio of shipped side projects How we work Our credos shape how we make decisions and work ...

Forward Deployed Engineer

Hiring Organisation
Hackajob Ltd
Location
London, United Kingdom
Employment Type
Permanent
designing and deploying agentic solutions (agents, orchestration, context engineering, RAG, workflows) in production environments. Strong experience with AI platforms OpenAI, Claude, Vertex AI, plus open-source models including building abstraction layers to manage multi-provider pipelines. Very strong experience deploying toproduction ,CI/CD, infrastructure as code (Terraform ...