101 to 125 of 1,574 Open Source Jobs in the UK

Senior Database Administrator

Hiring Organisation
N P Associates
Location
London, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £95,000 per annum
Senior Database Administrator (Open-Source/FinTech Stack) About the Company We are partnering with a highly successful, high-growth financial technology firm and regulated European market operator. Known for their disruptive approach and cutting-edge trading technology, they handle massive volumes of real-time market data … microsecond speeds. Instead of traditional, restrictive corporate database structures, they have built a decentralized open-source data architecture engineered purely for extreme performance and scalability. The Opportunity We are seeking a Senior Database Administrator to join a talented Infrastructure team and take true ownership of a varied, modern ...

Senior Technologist - Birkbeck Centre for Creative AI

Location
Greater London, England, United Kingdom
open-source AI models running, keep them running, and help artists, media practitioners, students and researchers do genuinely new things with them? Birkbeck is establishing a Centre for Creative AI: a new, £1.97m facility opening in autumn 2026. We are looking for a Senior Technologist to build … sustain its technical foundations. Can you get open-source AI models running, keep them running, and help artists, media practitioners, students and researchers do genuinely new things with them? Birkbeck is establishing a Centre for Creative AI: a new, £1.97m facility opening in autumn 2026. We are looking ...

Product Manager, Agent Harness & Modelling

Hiring Organisation
Cohere
Location
London, United Kingdom
Salary
£ 70 K
prioritize model capabilities and evals most critical for delivering on those goals. Establish a clear roadmap for our agentic modeling capabilities.Stay current with the open-source and commercial agent ecosystem and drive adoption decisions that keep North's architecture aligned with emerging standards.Requirements5+ years of product management experience … research PM, in agentic AI systems,, or applied ML productsDeep understanding of agentic harnesses, including the latest paid and open source offerings.Deep understanding of modern LLM agent architectures, including multi-agent systems, tool-augmented reasoning, memory and retrieval, programmatic orchestration, RAG, and long-horizon executionStrong grasp of agentic ...

Technical Support Engineer

Hiring Organisation
Formance
Location
Cardiff, United Kingdom
terms of responsiveness, resolution time, tone, and knowledge Support the customer throughout their entire lifecycle Provide expert-level technical support for customers using our Open Source Ledger and other backend modules. Troubleshoot complex issues, investigating and diagnosing problems quickly, and escalating them to the development team when necessary. … support and relay feedback for continuous improvement. Ability to prioritize and manage multiple tickets/issues Fluent in English Nice to have : Familiarity with open-source ecosystems, APIs, webhooks, or BE tools Basic understanding of financial services infrastructure (ledgers, reconciliation, transactions) Benefits We offer a competitive package including ...

Machine Learning Researcher

Location
Cambridge, England, United Kingdom
externally Contribute to internal product development and customer research projects Apply cutting-edge machine learning research to real-world problems Participate in developing open source libraries such as Trieste, GPflow, and GPflux Develop theoretically rigorous and scalable algorithms Publish papers at leading machine learning conferences Requirements … Bayesian optimization techniques, with a strong background in machine learning applications and research publication. Capable of collaborating effectively within research teams and contributing to open source projects while applying advanced algorithms to real-world challenges. Highest-signal resume keywords PhD In A Technical Field Published Work In Machine ...

Regional Demand Generation Marketer

Location
Greater London, England, United Kingdom
real world, helping developers move from prototypes to production-ready AI agents that teams can rely on. We began as widely adopted open-source tools and have grown to also offer a platform for building, evaluating, deploying, and operating agents at scale. With $125M raised at Series … contributions can shape how this technology shows up in the real world. Today, our platform includes LangSmith (Observability, Evaluation, Deployment, Fleet, and Sandboxes), our open source frameworks (the company, LangGraph, and Deep Agents), and the newly launched LangSmith Engine for autonomous agent improvement. We have 100M+ monthly open ...

Digital Verification Engineer

Location
Cambridge, England, United Kingdom
have an exciting opportunity for Digital Verification Engineer (1–5 Year's Experience) to join an innovative team developing high-quality open-source silicon used in production devices. Location: Cambridge, UK (Hybrid) Position: Permanent About the Role Working on projects such as OpenTitan Root of Trust and Ibex … testing. Contribute to verification infrastructure and automation. Collaborate closely with design engineers to ensure high-quality silicon. Participate in code reviews and contribute to open-source projects. Requirements 1–5 years' industry experience in Digital Design Verification. Experience with SystemVerilog and UVM. Understanding of verification methodologies and constrained ...

Global Threat Analyst, Protective Intelligence, GSRS, EMEA

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
analysis that directly informs critical protective operations, keeping the companys most at-risk employees safe. You will apply well-honed judgement, security acumen, and open-source research skills to conduct tactical threat monitoring, strategic risk assessments, intelligence briefings, and manage vendor performance. Your role requires established skills … Minimum qualifications: Bachelor's degree or equivalent practical experience. 4 years of experience managing security intelligence analysis and risk mitigation strategies, including experience with Open Source Intelligenc (OSINT). 2 years of experience supporting projects related to close protection (executive protection) operations through analytic support or prior operational ...

Senior Software Technology Manager

Hiring Organisation
ARM
Location
Cambridge, Cambridgeshire, United Kingdom
Salary
£ 70 K
gather use-cases and requirements for how software solutions can fulfil the needs of complex systems Our remit spans from contextualising and engaging with open-source communities to creating product plans to ensure Arm's software solutions are successfully deployed to our partners across multiple market segments. … prioritize features and enhancements which meet customer needs.Perform competitive analysis to identify the strengths and weaknesses of Arm-based solutions versus the competition.Evangelize in open-source communities and enthuse our customers and sales forces with the software offering by participating in customer meetings, sales meetings, and training.Required Skills ...

Quality Management Lead

Location
London, United Kingdom
healthcare research and clinical practice. The successful candidate will join the RADAR-base team, a multidisciplinary group developing one of the world's leading open-source platforms for remote patient monitoring using smartphones, wearable devices, and connected technologies. RADAR-base supports large-scale clinical studies and digital health … organisation's culture and development practices. The role offers a unique opportunity to shape quality and regulatory processes from the ground up within an open-source digital health platform that supports research across mental health, neurological disorders, cardiovascular disease, and other mental and physical conditions. This position would ...

Quality Management Lead

Hiring Organisation
KEYSTONE EMPLOYMENT GROUP NO.1 LIMITED
Location
South East London, London, United Kingdom
Employment Type
Temporary
Salary
£31.17 per hour
healthcare research and clinical practice. The successful candidate will join the RADAR-base team, a multidisciplinary group developing one of the world's leading open-source platforms for remote patient monitoring using smartphones, wearable devices, and connected technologies. RADAR-base supports large-scale clinical studies and digital health … organisation's culture and development practices. The role offers a unique opportunity to shape quality and regulatory processes from the ground up within an open-source digital health platform that supports research across mental health, neurological disorders, cardiovascular disease, and other mental and physical conditions. This position would ...

Account Executive

Hiring Organisation
Ultralytics
Location
Cardiff, United Kingdom
Ultralytics , we are shaping the future of Vision AI. Our groundbreaking YOLO (You Only Look Once) models are the world’s most widely used open-source object detection tools, empowering millions of developers and enterprises to build intelligent applications that see and understand the world. Now backed … hand in hand. 💥 Why This Role and Why Now Be part of a once-in-a-decade AI success story with an enormous open-source following and clear product-market fit. Join at the moment when Ultralytics is transitioning from foundation building to large-scale global growth. Sell ...

Staff Software Engineer - Databases SRE | UK | Remote

Hiring Organisation
Grafana Labs
Location
United Kingdom
Salary
£ 70 K
fully managed observability platform trusted by more than 10,000 organizations to ensure reliability, resolve incidents faster, and optimize telemetry at scale. Built on open source and open standards and designed for interoperability across any stack, Grafana Cloud brings AI to observability and observability to AI, giving … Capital. Learn more at grafana.com and follow us on LinkedIn and X.We’re scaling fast and staying true to what makes us different: an open-source legacy, a global collaborative culture, and a passion for meaningful work. Our team thrives in an innovation-driven environment where transparency, autonomy ...

Java Software Engineer

Location
Bristol, England, United Kingdom
experience in the following skills Excellent hands-on experience with Java and associated technologies. Experience working with Spring Boot. Hands-on knowledge of open-source tools, libraries and standards. Some working knowledge of containers (Docker). Strong experience of working in Test Driven Development, test coverage, unit tests … Knowledge of both traditional and agile delivery methods. Drive and desire to further your skillset and lead in the application domain. Good knowledge of Open source and open standards. Strong analytical skills and attention to detail. Knowledge and demonstrable experience of both traditional and agile delivery methods. ...

Java Developer

Hiring Organisation
Sanderson Recruitment
Location
United Kingdom
Employment Type
Permanent
experience in the following skills Excellent hands-on experience with Java and associated technologies. Experience working with Spring Boot. Hands-on knowledge of open source tools, libraries and standards. Some working knowledge of containers Strong experience of working in Test Driven Development, test coverage, unit tests, feature tests … Continuous Delivery. Good knowledge of non-functional drivers for design, including an ability to performance tune, profile, and debug applications. Good knowledge of Open source and open standards. This role will require you to be willing and eligible to undergo UK security clearance. If you're interested ...

Enterprise Architect - AI

Hiring Organisation
World Wide Technology
Location
London, United Kingdom
Salary
£ 70 K
degree (MS in CS/AI/ML or related) beneficial but not required given sufficient hands-on depth.Continuous, demonstrable learning in AI — publications, open-source contributions, conference speaking, or lab-based experimentation are all valued signals.Job RequirementsEnterprise Architect — Artificial IntelligenceAI/ML Infrastructure, Platform & GovernancePractice AreaEnterprise Architecture … documentation, audit trail, and approval-gate processes for production AI systems.Security & CloudAI-specific security fundamentals: model security, prompt-injection defenses, supply chain security for open-source/open-weight models.Solutions-architect level expertise in at least one hyperscaler (AWS, Azure, or GCP), including their native AI/ ...

Enterprise Architect - AI

Hiring Organisation
World Wide Technology
Location
London, UK
Employment Type
Full-time
/AI/ML or related) beneficial but not required given sufficient hands-on depth. Continuous, demonstrable learning in AI — publications, open-source contributions, conference speaking, or lab-based experimentation are all valued signals. Job RequirementsEnterprise Architect — Artificial IntelligenceAI/ML Infrastructure, Platform & GovernancePractice AreaEnterprise Architecture — AI & Emerging … audit trail, and approval-gate processes for production AI systems. Security & CloudAI-specific security fundamentals: model security, prompt-injection defenses, supply chain security for open-source/open-weight models. Solutions-architect level expertise in at least one hyperscaler (AWS, Azure, or GCP), including their native ...

Regional Marketing Manager | Western Europe | Remote

Hiring Organisation
Grafana Labs
Location
United Kingdom
Salary
£ 70 K
fully managed observability platform trusted by more than 10,000 organizations to ensure reliability, resolve incidents faster, and optimize telemetry at scale. Built on open source and open standards and designed for interoperability across any stack, Grafana Cloud brings AI to observability and observability to AI, giving … Capital. Learn more at grafana.com and follow us on LinkedIn and X.We’re scaling fast and staying true to what makes us different: an open-source legacy, a global collaborative culture, and a passion for meaningful work. Our team thrives in an innovation-driven environment where transparency, autonomy ...

Software Engineering AWS DevOps Engineer - SC MOD Required Professional Multiple Cities

Location
Cheltenham, England, United Kingdom
configuration management tools such as Ansible. Knowledge of scripting and automation using Bash/Shell and ANT. Experience with Git, Docker, and Liquibase for source control, containerisation, and database deployment automation. Experience working with JIRA and Confluence within Agile delivery environments. Knowledge of core AWS services, including … principles, Agile delivery, and modern cloud operating models. Scripting & Automation: Experience developing scripts and automation to support testing, deployment, infrastructure provisioning, and operational processes. Open Source Technologies: Exposure to open source technologies and solutions, including design, implementation, testing, deployment, and integration into CI/CD environments. ...

Software Engineer

Location
Abingdon, England, United Kingdom
scientific computing, real-time systems, large-scale data) Experience integrating machine learning, generative AI, or LLM-based components into production systems Experience contributing to open-source projects, or integrating open-source components at scale. Energy industry experience is not required but is a strong plus. ...

Scientific Developer (Chemical Biology Resources)

Location
Hinxton, England, United Kingdom
most persistent challenges in drug discovery. This is an exciting opportunity to join a multi-disciplinary team on a project to develop a comprehensive open source side effect resource for the scientific and pharmaceutical community, and provide structured and standardised training sets for AI/ML applications … with team members to ensure development of automated pipelines and effective integration into the ChEMBL database (https://www.ebi.ac.uk/chembl/) and Open Targets Platform (https://platform.opentargets.org/), to assist users in the selection of safe and efficacious drug targets. The Chemical Biology Resources team ...

Lead AI Engineer

Location
Newcastle upon Tyne, England, United Kingdom
associate or professional level) Prior delivery of AI or digital services within UK central government or wider public sector Experience fine‐tuning or adapting open‐source/foundation models for a specific domain Open‐source contributions or active engagement in AI/ML engineering communities Experience ...

Senior Lead Software Engineer - LLM Ops Platform Reliability

Hiring Organisation
JP Morgan Chase
Location
Glasgow, UK
Employment Type
Full-time
production environmentsOperate and scale large language model serving infrastructure, including model hosting, request routing, continuous batching, and cache optimizationDeploy, host, and lifecycle-manage open-source and proprietary large language models on cloud-based container orchestration platforms and on-premises GPU clusters using reproducible infrastructure as code and continuous … Endpoints, and Amazon Bedrock for managed model hostingExperience with online large language model quality monitoring, including hallucination detection, toxicity filtering, and drift detection using open telemetry conventionsContributions to open-source large language model serving or inference projects, (vLLM, llm-d, Ray, KServe, Triton)J.P. Morgan ...

Lead Ai Engineer (Contract)

Location
Newcastle upon Tyne, England, United Kingdom
associate or professional level) - Prior delivery of AI or digital services within UK central government or wider public sector - Experience fine-tuning or adapting open-source/foundation models for a specific domain - Open-source contributions or active engagement in AI/ML engineering communities - Experience ...

Senior Engineer - Payments

Location
Greater London, England, United Kingdom
across international teams. Why Join Us? Competitive Package: Attractive salary + discretionary performance bonus. Continuous Growth: Dedicated funding for professional certifications, training, and conferences. Open Source First: We embrace open-source principles internally and actively encourage contributions to the wider developer community. About us Ebury delivers ...