626 to 650 of 1,224 Permanent Open Source Jobs

Multi Cloud Transformation Architect

Hiring Organisation
Capgemini
Location
Manchester, United Kingdom
Employment Type
Full Time
solutions at enterprise scale. Innovation in delivery is always at the forefront of our minds, which is why we utilise a variety of cloud, open source and proprietary technologies to achieve the best possible outcome for our clients. We have world class architecture and software engineering communities ...

Technical Lead, Agentic Commerce Engineering - (London)

Location
Greater London, England, United Kingdom
related to agent identity, delegated authority, verifiable intent, safe AI integration, or agentic commerce.Public engineering presence or ecosystem involvement, such as meaningful GitHub contributions, open-source participation, standards work, technical writing, conference/forum attendance and active participation, community engagement, or experience building greenfield products in complex enterprise ...

Staff Software Engineer (ML QA) New Bristol, UK

Location
West of England, England, United Kingdom
hardware behaviour. The team and culture Graphcore’s ML QA engineers build automation, work with industry-standard frameworks and models, and contribute to upstream open-source projects. You’ll work across software teams, using code and design reviews to strengthen quality, security and maintainability. You’ll use workload ...

Lead Software Engineering - Python - Front Office Quant Developer

Location
Greater London, England, United Kingdom
Unix or Linux knowledge Working knowledge of continuous integration and deployment processes Experience with project management Familiarity with service-oriented platforms and current generation open source frameworks About Us J.P. Morgan is a global leader in financial services, providing strategic advice and products to the world’s most ...

C# Developer

Location
Manchester, England, United Kingdom
bonus points if you have: Exposure to ElasticSearch, Event Store, Neo4j, InfluxDB, Seq, Power BI. Experience with micro-ORMs such as PetaPoco. Contributions to open-source projects or personal coding projects. Cloud infrastructure experience, especially Azure. Strong grasp of clean code principles, OOP design, and software patterns. What ...

Senior Solutions Architect (Post-Sales), UK & EMEA - Remote

Location
Greater London, England, United Kingdom
people, solving problems, and making sure our customers get real value from RudderStack. You'd be joining a team of talented engineers who love open source, support their community, and want to make people's lives easier. We care deeply about our users and partners, and we judge ...

Senior Software Engineer - Connex

Location
Harrogate, England, United Kingdom
background as a developer across various platforms. Proven technical testing experience within Agile environments, particularly with BDD methodologies. Hands‐on automation testing expertise using open‐source technologies such as Selenium, Cucumber, Gherkin, Spring, etc. Be comfortable with regular demonstrations to stakeholders and comfortable with pair programming. Exceptional communication ...

Applied AI Engineer

Location
Norwich, England, United Kingdom
willingness to work within regulated governance standards. Education & Experience: A degree in Computer Science, STEM or equivalent practical experience, supported by relevant portfolio projects, open-source work or internship experience. (AWS Cloud Practitioner certifications are a bonus). Why Aviva: This is an opportunity to help build ...

Senior Software Engineer New Markets - EU

Location
England, United Kingdom
brokerage professionals who are working to achieve our mission of opening financial services to everyone on the planet. We're deeply committed to open-source contributions and fostering a vibrant community, continuously enhancing our award-winning, developer-friendly API and the robust infrastructure behind it. Alpaca is proudly ...

Senior ML Engineer: Large-Scale AI Systems

Location
Cambridge, England, United Kingdom
distributed training or inference of ML models across 64+ accelerators. Familiarity with HPC systems and networking including Infiniband, NVLink, RoCE technologies. Have contributed to open-source projects or published research papers in relevant fields. Knowledge of cloud computing platforms. Keen to present, publish and deliver talks ...

Senior ML Engineer: Large-Scale AI Systems

Location
West of England, England, United Kingdom
distributed training or inference of ML models across 64+ accelerators. Familiarity with HPC systems and networking including Infiniband, NVLink, RoCE technologies. Have contributed to open-source projects or published research papers in relevant fields. Knowledge of cloud computing platforms. Keen to present, publish and deliver talks ...

VP, Senior Backend Developer - Blockchain Infrastructure

Location
Greater London, England, United Kingdom
smart contracts (Solidity). Familiarity with AI‐assisted development workflows: spec‐driven development, code generation tools, MCP, or agent‐based paradigms. Contributions to open‐source projects. Experience with Rust. What We Offer: Competitive base salary and discretionary bonus Hybrid/Flexible Working Arrangements Flexible Time Off (paid ...

Senior Software Engineer II (Full-Stack)

Location
Greater London, England, United Kingdom
dealbreaker if you don't have it yet Experience with infrastructure-as-code (Terraform, CDK, CloudFormation) or serverless architectures Open-source contributions, big or small A strong interest in health or fitness technology Salary and Benefits We’re offering a salary of £85,000-95,000 per year ...

Staff Engineer - AI Developer Tools and Platforms

Location
Cambridge, England, United Kingdom
product and ecosystem goals. Drive software quality and ecosystem adoption through testing, code review, well-designed interfaces, maintainable implementations and contributions to upstream and open-source projects where appropriate. Required Skills and Experience : Linux, containerisation and experience with programming languages such as Go, Python, Rust or TypeScript. Proven ...

Senior Security Consultant

Location
Yeovil, England, United Kingdom
Defence security standards, such as Defstan 05-138 & Defstan 05-139.* That extends outside of traditional enterprise IT scenarios extending to proprietary and open-source software, firmware and electronic hardware.* Developing, evaluating and analysing design constraints, and detailed system and security designs as they pertain ...

Senior Software Engineer New Markets - UK Remote

Location
Greater London, England, United Kingdom
brokerage professionals who are working to achieve our mission of opening financial services to everyone on the planet. We're deeply committed to open-source contributions and fostering a vibrant community, continuously enhancing our award-winning, developer-friendly API and the robust infrastructure behind it. Alpaca is proudly ...

Senior Director, Performance Engineering -Infrastructure and Reliability

Location
Staines-upon-Thames, England, United Kingdom
efficiency improvements. Experience with emerging technology performance challenges: AI/ML inference, generative AI systems, agentic architectures, real‐time data processing. Published technical content, open-source contributions, or thought leadership in performance engineering and systems optimization. We embrace flexibility and hybrid work opportunities to support diverse needs ...

Senior Offensive Security Engineer (Autonomous testing)

Location
City of Edinburgh, Scotland, United Kingdom
Consultancy, MSSP, or managed service experience. Exposure to commercial autonomous or continuous testing platforms (XBOW, Horizon3.ai NodeZero, Pentera) as a user, evaluator, or competitor. Open‐source contributions to offensive or agent tooling, published research, conference talks (DEF CON, Black Hat, BSides, AI Village), or a CVE record. Detection ...

Cloud Developer

Location
Reading, England, United Kingdom
automations, custom integrations, or addons, especially where you've treated it like a \"real\" software platform. Evidence of being an IT hobbyist: side projects, opensource, home lab, or automation setups. Our culture We are a close-knit team and value every employee. We always welcome ideas from everyone, no matter ...

Staff Platform Engineer

Location
Greater London, England, United Kingdom
Airship”. Airship manages the infrastructure that powers Uswitch and Money.co.uk brands as well as the RVU wide AI initiative. We are committed to Open Source software in order to build services that help millions of customers to save money and make confident decisions. As well as helping … customers, we also give back to the community by open‐sourcing interesting projects that we build that might benefit others. Our goal as a team is to enable our development teams to deliver services quickly, reliably and securely. We do this by running multiple Kubernetes EKS and Fargate clusters ...

Software Reliability Engineer

Location
Greater London, England, United Kingdom
integrating appropriate test data, implementing data masking in lower environments Upgrading to supported runtimes (generally Java or NPM). Containerizing applications where feasible. Upgrading open-source libraries to their latest available major versions (e.g., migrating from Spring 2). Upgrading to the latest version of all dependencies, whether … base images or operating system. Implementing processes that allow us seamlessly to stay current Implementing continuous library updates using Renovate. o Introducing best practice source control and branch management o Improving code review processes Ensuring best practice security patterns, secrets management, authentication and authorisation Simplifying and automating application deployment ...

Security Engineer

Location
Greater London, England, United Kingdom
provide for the security and integrity of your Personal Data. We are committed to Processing your Personal Data fairly and lawfully, and being open and transparent about such Processing. For further information on how we process your data, please see the privacy notice for applicants here. … Group’s business is powered by sophisticated technology with AI accelerating the next generation of transformation. Our technology stack is built on modern open-source components, both enabling day-to-day research and development, and supporting our 24hr trading. With adoption of AI-agents we are investing ...

Guidance, Navigation & Control Engineer

Location
Greater London, England, United Kingdom
Helsing is a defence AI company. Our mission is to protect our democracies. We aim to achieve technological leadership, so that open societies can continue to make sovereign decisions and control their ethical standards. As democracies, we believe we have a special responsibility to be thoughtful about the development … mission-driven people to join our European teams – and apply their skills to solve the most complex and impactful problems. We embrace an open and transparent culture that welcomes healthy debates on the use of technology in defence, its benefits, and its ethical implications. The role Helsing delivers ...

LLM Engineer

Location
Greater London, England, United Kingdom
holidays. Flexible working hours: Tailor your working hours to suit your productivity. Tech & tools: Engage with cutting‐edge AI projects and contribute to leading open‐source software. Gear: Brand‐new Apple MacBook Air/Pro, Apple Studio Display, and AirPods Pro 3. Team: Become part of a supportive … YOLO framework. Impactful Work: Shape the future of AI‐powered solutions that transform industries. Collaborative Culture: Join a talented and passionate team that values open communication and innovation. Ultralytics Handbook Comprehensive guide to our company's mission, vision, values, and operational practices. This handbook is designed to provide ...

Software Engineer Linux

Hiring Organisation
Becrypt
Location
London, United Kingdom
Employment Type
Permanent
join our close knit Linux development team. A genuine interest in product development is key as everyones contribution counts in our informal and open Agile working environment. Principle duties: Development and maintenance of Linux based operating systems Work on Linux Distros with a focus on security Configure and customize … Debian package management Bash scripting Object oriented programming in C++ A degree in STEM or significant programming experience Desirable Python programming Linux kernel programming Open source development Security infrastructure Why Join Us: Shape the future of secure endpoint technology. Work on high-impact projects for global, high-profile ...