1,501 to 1,525 of 3,221 Open Source Jobs in the UK

Quant Researcher Crypto Trading

Hiring Organisation
Quant Capital
Location
London, United Kingdom
Salary
£ 70 K
high profile clients Crypto Infrastructure Team Our client is a well known global Global Prop Trading and Crypto firm. They value technology especially the opensource variety as well as scalability and robust performance (much like their track record). They also have a digital asset service operating in over … pipelines from data preparation and feature selection to efficient training, hyper-parameter optimisation, validation, and testingThe environment is that of Facebook or Google, relaxed open with time to think and make the right decisions. The atmosphere is calm and relaxed with an open dress code. This ...

Senior Product Manager arbeitnow Yubico Remote US (EST), London · 9/27/2026

Location
Greater London, England, United Kingdom
Friction: We constantly look for new ways to simplify our products, our work, and the user experience. Inspire Higher: We think big, champion the open internet, and strive to do the right thing even when it is difficult. One Team: We are open, responsive, and collaborative, overcoming challenges … celebrating our successes together. Aligned with our commitment to open standards, we foster a thriving builder ecosystem through the Yubico Developer Program, offering free open-source repositories, libraries, and SDKs to help developers rapidly integrate strong hardware authentication into any application. Through close collaborations with technical partners ...

Senior Software Developer

Location
Portishead, England, United Kingdom
development of industry-leading solutions. Role & Responsibilities: Design, develop, and maintain software products as directed by the Software Lead or Senior Management. Ensure source control (Git) is used for all projects, following best practices such as branching and merge strategies. Maintain accurate and up-to-date build documentation … ensure reliability and maintainability. Track, manage, and resolve issues via repository cards (e.g., GitHub Issues, Jira, or equivalent). Research and integrate existing open-source packages where suitable, ensuring all third-party code is properly licensed. Collaborate with hardware, firmware, and geophysics colleagues to deliver integrated solutions. Contribute ...

Group Financial Controller

Hiring Organisation
Canonical
Location
London, UK
Employment Type
Full-time
Canonical is a leading provider of open source software and operating systems to the global enterprise and technology markets. Our platform, Ubuntu, is very widely used in breakthrough enterprise initiatives such as public cloud, data science, AI, engineering innovation, and IoT. Our customers include the world's leading … colleaguesPriority Pass and travel upgrades for long-haul company eventsAbout CanonicalCanonical is a pioneering tech firm at the forefront of the global move to open source. As the company that publishes Ubuntu, one of the most important open-source projects and the platform ...

Group Financial Controller

Location
Greater London, England, United Kingdom
Canonical is a leading provider of open source software and operating systems to the global enterprise and technology markets. Our platform, Ubuntu, is very widely used in breakthrough enterprise initiatives such as public cloud, data science, AI, engineering innovation, and IoT. Our customers include the world’s leading … travel upgrades for long-haul company events About Canonical Canonical is a pioneering tech firm at the forefront of the global move to open source. As the company that publishes Ubuntu, one of the most important open-source projects and the platform ...

Staff Software Developer

Location
Cambridge, England, United Kingdom
decisions across teams or disciplines. Bonus Qualifications Experience working within a regulated industry or with software certification, assurance, or compliance requirements. Working knowledge of open-source licensing, software supply-chain considerations and contributions to, or practical use of, open-source software projects and ecosystems. Knowledge ...

Remote Senior Manager, Customer Success Management - EMEA/APJ

Hiring Organisation
Chainguard
Location
United Kingdom
Chainguard is the trusted source for open source. By delivering hardened, secure, and production-ready builds of all the open source software engineers and AI agents rely on, Chainguard helps organizations build faster, stay compliant, and eliminate risk. Our customers include Fortune 500 enterprises and global ...

Remote Senior Manager, Customer Success Management - EMEA/APJ

Hiring Organisation
Chainguard
Location
Gloucestershire, United Kingdom
Chainguard is the trusted source for open source. By delivering hardened, secure, and production-ready builds of all the open source software engineers and AI agents rely on, Chainguard helps organizations build faster, stay compliant, and eliminate risk. Our customers include Fortune 500 enterprises and global ...

Remote Senior Manager, Customer Success Management - EMEA/APJ

Hiring Organisation
Chainguard
Location
Hampshire, United Kingdom
Chainguard is the trusted source for open source. By delivering hardened, secure, and production-ready builds of all the open source software engineers and AI agents rely on, Chainguard helps organizations build faster, stay compliant, and eliminate risk. Our customers include Fortune 500 enterprises and global ...

Remote Senior Manager, Customer Success Management - EMEA/APJ

Hiring Organisation
Chainguard
Location
Fife, United Kingdom
Chainguard is the trusted source for open source. By delivering hardened, secure, and production-ready builds of all the open source software engineers and AI agents rely on, Chainguard helps organizations build faster, stay compliant, and eliminate risk. Our customers include Fortune 500 enterprises and global ...

Remote Senior Manager, Customer Success Management - EMEA/APJ

Hiring Organisation
Chainguard
Location
Greater manchester, United Kingdom
Chainguard is the trusted source for open source. By delivering hardened, secure, and production-ready builds of all the open source software engineers and AI agents rely on, Chainguard helps organizations build faster, stay compliant, and eliminate risk. Our customers include Fortune 500 enterprises and global ...

Remote Senior Manager, Customer Success Management - EMEA/APJ

Hiring Organisation
Chainguard
Location
The city of brighton and hove, United Kingdom
Chainguard is the trusted source for open source. By delivering hardened, secure, and production-ready builds of all the open source software engineers and AI agents rely on, Chainguard helps organizations build faster, stay compliant, and eliminate risk. Our customers include Fortune 500 enterprises and global ...

Remote Senior Manager, Customer Success Management - EMEA/APJ

Hiring Organisation
Chainguard
Location
North east lincolnshire, United Kingdom
Chainguard is the trusted source for open source. By delivering hardened, secure, and production-ready builds of all the open source software engineers and AI agents rely on, Chainguard helps organizations build faster, stay compliant, and eliminate risk. Our customers include Fortune 500 enterprises and global ...

Remote Senior Manager, Customer Success Management - EMEA/APJ

Hiring Organisation
Chainguard
Location
Southend-on-sea, United Kingdom
Chainguard is the trusted source for open source. By delivering hardened, secure, and production-ready builds of all the open source software engineers and AI agents rely on, Chainguard helps organizations build faster, stay compliant, and eliminate risk. Our customers include Fortune 500 enterprises and global ...

Data Engineer - Investment Management

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
Python Data Developer to join our high profile client. Our client is a well known Systematic Trading Hedge Fund. They like technology especially the opensource variety as well as scalability and robust performance (much like their track record). They currently run around 2 billion in liquid capital. This … smart people deeply interested in teaching what they know, and in learning from you. The environment is that of Facebook or Google, relaxed open with time to think and make the right decisions. The atmosphere is calm and relaxed with an open dress code. This is a role ...

C# ASP.NET FullStack Developer - Get.NET Core

Hiring Organisation
Appcast
Location
London, UK
team can spend 10% of their time working on personal projects. That might be prototyping a new feature for the product, working on an open source project, data integration, or learning a new skill.• Develop new features for our rich internet application, with consideration for ease … with new ideas and discussing specifications with senior staff, including technical architecture, patterns and technology strategyThe environment is that of Facebook or Google, relaxed open with time to think and make the right decisions. The atmosphere is calm and relaxed with an open dress code. This ...

C# ASP.NET FullStack Developer – Get .NET Core

Hiring Organisation
Quant Capital
Location
London, United Kingdom
Salary
£ 70 K
team can spend 10% of their time working on personal projects. That might be prototyping a new feature for the product, working on an open source project, data integration, or learning a new skill.• Develop new features for our rich internet application, with consideration for ease … with new ideas and discussing specifications with senior staff, including technical architecture, patterns and technology strategyThe environment is that of Facebook or Google, relaxed open with time to think and make the right decisions. The atmosphere is calm and relaxed with an open dress code. This ...

Applied AI Director

Location
Greater London, England, United Kingdom
Join us as we redefine how the world’s largest bank operates by harnessing the power of open source and frontier AI models. You’ll have the opportunity to shape the future of operational automation, working with talented teams to deliver impactful, end-to-end solutions. At JPMorganChase … services or other regulated, high-volume, control-heavy environments. Familiarity with policy-enforced execution, entitlements, and audit requirements for automated actions. Significant contributions to open source projects or published work in artificial intelligence and machine learning. Advanced degree in a quantitative discipline. J.P. Morgan is a global leader ...

Quant Developer Crypto Trading

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
high profile clients Crypto Infrastructure TeamOur client is a well known global Global Prop Trading and Crypto firm. They value technology especially the opensource variety as well as scalability and robust performance (much like their track record). They also have a digital asset service operating in over 100 countries. … running servers and performance tuningExperience with building event-driven systems using Netty, Aeron and SBEThe environment is that of Facebook or Google, relaxed open with time to think and make the right decisions. The atmosphere is calm and relaxed with an open dress code. This is a role ...

Senior Applied Scientist, Efficient LLM Inference & Model Optimization

Location
Greater London, England, United Kingdom
rigorous evaluation methodology covering quality, latency, throughput, numerical stability, memory footprint, tail latency, and cost per token. Publish papers, technical reports, blog posts, and open-source artifacts that build external credibility for the company Token Factory. Collaborate with MLE, GPU kernel, backend infrastructure, product, and customer teams … PyTorch internals. Experience with post-training, SFT, DPO, RLHF, RLAIF, preference optimization, or synthetic data generation when connected to inference quality or efficiency. Open-source research artifacts, widely used benchmarks, high-quality technical blogs, or invited talks in efficient AI systems. Benefits & Perks Competitive compensation Career growth ...

Lead Developer Advocate, SQL & Analytics Workloads

Location
Greater London, England, United Kingdom
builders to broader developer communities. Content and community leadership Strong public portfolio of technical content such as talks, workshops, blog posts, videos, code samples, open source projects, or community programs. Experience growing and engaging developer communities through authentic participation and useful technical resources. Excellent communication and storytelling skills … platforms, semantic layers, or adjacent cloud data platform ecosystems. Experience creating technical enablement for SQL developers, analytics engineers, or modern data teams. Familiarity with open source data tooling and developer workflows. Experience organizing hackathons, meetups, ambassador programs, or contributor communities. Background as a software engineer, data engineer, analytics ...

Senior Software Engineer (£80k + 15% bonus)

Location
Manchester, England, United Kingdom
+ 15% bonus) Great opportunity for a Senior Software Engineer to join a mission-driven organisation building systems that process and verify complex open-source information. You'd join a small engineering department and would work in a cross functional product team responsible for building highly scalable, cloud ...

DevOps Engineer – Remote – Trading

Hiring Organisation
Quant Capital
Location
London, United Kingdom
Salary
£ 70 K
DevOps Engineer experience to join our high profile client.Our client is a well known global Prop Trading firm. They like technology especially the opensource variety as well as scalability and robust performance (much like their track record). They currently run around 2 billion in liquid capital.This is an environment …/deployment, data consolidation and all other areas that could exploit automation where not already implemented.The environment is that of Facebook or Google, relaxed open with time to think and make the right decisions. The atmosphere is calm and relaxed with an open dress code. This ...

DevOps Engineer Small Trading Firm

Hiring Organisation
Quant Capital
Location
London, United Kingdom
Salary
£ 70 K
DevOps Engineer experience to join our high profile client.Our client is a well known global Prop Trading firm. They like technology especially the opensource variety as well as scalability and robust performance (much like their track record). They currently run around 2 billion in liquid capital.This is an environment …/deployment, data consolidation and all other areas that could exploit automation where not already implemented.The environment is that of Facebook or Google, relaxed open with time to think and make the right decisions. The atmosphere is calm and relaxed with an open dress code. This ...

Remote Senior Manager, Customer Success Management - EMEA/APJ

Location
United Kingdom
Chainguard is the trusted source for open source. By delivering hardened, secure, and production-ready builds of all the open source software engineers and AI agents rely on, Chainguard helps organizations build faster, stay compliant, and eliminate risk. Our customers include Fortune 500 enterprises and global ...