1,651 to 1,675 of 1,969 Open Source Jobs in the UK

Software Engineer, Observability

Location
Greater London, England, United Kingdom
platform reliability through thorough testing. Collaborate with product managers, designers, and infrastructure teams to solve challenges and deliver top-tier solutions. Engage with the open-source community by contributing to projects and participating in discussions, supporting Vercel’s developer-focused mission. Collect feedback from developers and users ...

Product Engineer (All Levels)

Location
Greater London, England, United Kingdom
your own accord — and finished them. A product with real users, a side project that hit the front page somewhere, a game, a robot, open source that people use. What matters is that you took an ambiguous idea, chased it to done, and it worked in the real ...

Data Platform Infra Site Reliability Engineer

Location
Greater London, England, United Kingdom
scale. Willingness to take part in on-call rotations and incident response to keep critical systems healthy. Preferred Qualifications Contributions to distributed-systems internals, open-source data infrastructure, or storage/database engines. Experience defining SLIs/SLOs, building observability, and using error budgets to drive reliability decisions. ...

Product Engineer

Location
Greater London, England, United Kingdom
good questions, form a view, test quickly, communicate clearly and care whether the work changes outcomes. Evidence of exceptional output. Show us professional work, open-source contributions, personal products, research or hackathon results. Roughly 2+ years of experience is useful, but evidence matters more than tenure. The Ideal ...

Integrated Modeller and Scenario Developer

Location
Abingdon, England, United Kingdom
complete an online Baseline Personnel Security Standard (BPSS), including The Disclosure & Barring Service (DBS) checks for criminal convictions and possibly a search of open source data. Are you looking for an exciting opportunity to make a difference? Join our team and contribute to the future of fusion energy. ...

Product Marketing Manager, AI Governance (EMEA)

Location
Greater London, England, United Kingdom
Partner teams. Comfortable owning a stage: keynote presentations, analyst briefings, customer roundtables, and demo-heavy sessions energize you rather than intimidate you. Experience in open-source software, SaaS platforms, and enterprise go-to-market motions is strongly preferred. Familiarity with the AI connectivity landscape — including awareness of competing ...

Visual Development Artist - AI & Generative Tools

Hiring Organisation
Framestore
Location
London, United Kingdom
Salary
£ 70 K
into our VFX pipeline.ComfyUI: Node-based generative workflows. Experience here is a strong signal.Nuke: Compositing environment used to build living, production-ready concept imagery.Blender: Open-source 3D widely used for blocking, lighting, and generative AI integration via custom nodes.Unreal/Realtime: Real-time render engines increasingly part ...

Visual Development Artist - AI & Generative Tools

Hiring Organisation
Framestore
Location
London, UK
Employment Type
Full-time
pipeline. ComfyUI: Node-based generative workflows. Experience here is a strong signal. Nuke: Compositing environment used to build living, production-ready concept imagery. Blender: Open-source 3D widely used for blocking, lighting, and generative AI integration via custom nodes. Unreal/Realtime: Real-time render engines increasingly part ...

AI Engineer UK

Location
Greater London, England, United Kingdom
search, reranking). Fine-tuning or model-adaptation experience where it genuinely beat prompting. Experience in industrial, field-service or other asset-heavy domains. Open-source contributions or a portfolio of shipped AI systems. Why Nexus Black We’re a small team building AI that has to work ...

Product Marketing Manager, AI Governance (EMEA)

Hiring Organisation
Kong
Location
London, United Kingdom
Salary
£ 70 K
Sales, and Partner teams.Comfortable owning a stage: keynote presentations, analyst briefings, customer roundtables, and demo-heavy sessions energize you rather than intimidate you.Experience in open-source software, SaaS platforms, and enterprise go-to-market motions is strongly preferred.Familiarity with the AI connectivity landscape — including awareness of competing ...

Senior Technical Product Marketing Manager, Agent Identity & Auth (EMEA)

Hiring Organisation
Kong
Location
London, United Kingdom
Salary
£ 70 K
Sales, and Partner teams.Comfortable owning a stage: keynote presentations, analyst briefings, customer roundtables, and demo-heavy sessions energize you rather than intimidate you.Experience in open-source software, SaaS platforms, and enterprise go-to-market motions is strongly preferred.Familiarity with the AI connectivity landscape -including awareness of competing ...

Lead Test Engineer

Hiring Organisation
Hackajob Ltd
Location
Birmingham, West Midlands, United Kingdom
Employment Type
Permanent
scripts and test approaches, including manual and automated testing across all layers of an application including non-functional test coverage. Experience using Test Automation open-source technologies (e.g. one of the following Selenium, JUnit,TestNG, Cucumber, Cypress), and configuring tools for testing such as Jenkins and/ ...

Lead Test Engineer (Healthcare)

Hiring Organisation
Hackajob Ltd
Location
Belfast, County Antrim, Northern Ireland, United Kingdom
Employment Type
Permanent
scripts and test approaches, including manual and automated testing across all layers of an application including non-functional test coverage. Experience using Test Automation open-source technologies (e.g. one of the following Selenium, JUnit,TestNG, Cucumber, Cypress, Playwright), and configuring tools for testing such as Jenkins and/ ...

Manager (Insight and Intelligence)

Location
Greater London, England, United Kingdom
which typically requires a minimum of five years' continuous UK residency immediately prior to application. Professional experience managing projects involving analysis and investigation using open-source research and OSINT methods. Experience working on or supporting projects focused on serious and organised crime, violent extremism or related public safety ...

Senior Technical Product Marketing Manager, Agent Identity & Auth (EMEA)

Location
Greater London, England, United Kingdom
Partner teams. Comfortable owning a stage: keynote presentations, analyst briefings, customer roundtables, and demo-heavy sessions energize you rather than intimidate you. Experience in open-source software, SaaS platforms, and enterprise go-to-market motions is strongly preferred. Familiarity with the AI connectivity landscape -including awareness of competing ...

Lead Test Engineer (Healthcare)

Hiring Organisation
Kainos
Location
Belfast, UK
Employment Type
Full-time
scripts and test approaches, including manual and automated testing across all layers of an application including non-functional test coverage. Experience using Test Automation open-source technologies (e.g. one of the following Selenium, JUnit,TestNG, Cucumber, Cypress), and configuring tools for testing such as Jenkins and/ ...

Lead Test Engineer (Healthcare)

Hiring Organisation
Kainos
Location
Birmingham, UK
Employment Type
Full-time
scripts and test approaches, including manual and automated testing across all layers of an application including non-functional test coverage. Experience using Test Automation open-source technologies (e.g. one of the following Selenium, JUnit,TestNG, Cucumber, Cypress), and configuring tools for testing such as Jenkins and/ ...

Account Executive (UK)

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. Today, LangChain, LangGraph, LangSmith, and Agent ...

AI AGENTS ENGINEER

Location
Manchester, England, United Kingdom
search systems, or knowledge retrieval. Experience with model governance, audit trails, release control, permissions, or safety‐sensitive AI workflows. Familiarity with OpenAI, Anthropic, Gemini, open‐source LLM/VLM stacks, LangGraph‐style orchestration, or similar agent frameworks. The candidate should understand enough vision and inspection context to collaborate ...

Associate

Location
Greater London, England, United Kingdom
delivery and implementation of bespoke AI solutions. Working side-by-side with life sciences stakeholders to understand critical mission challenges and user needs Conducting open-source analysis to support the development of cutting-edge AI tools Translating complex operational requirements into clear user stories for delivery and engineering ...

Cyber Intelligence Director

Location
Greater London, England, United Kingdom
cybersecurity, with a focus on threat intelligence, incident response, and risk management. Significant knowledge and experience in advanced intelligence analysis techniques, security research, and Open-Source Intelligence (OSINT) to proactively identify and assess potential risks. Knowledge of SIEM tools such as Splunk will be beneficial to your ...

Senior Forensics Associate EMEA

Location
Greater London, England, United Kingdom
other experienced members. Proficient in the use of EnCase, AccessData Forensic Toolkit, XWays, Cellebrite UFED and Physical Analyzer, Cellebrite Inspector (formerly Blacklight), Axiom or open-source forensic tools Strong mastery of data collection, preservation, and chain of custody principles and procedures An understanding of file systems, computer hardware ...

Linux HPC Specialist

Hiring Organisation
MBDA
Location
Stevenage, Hertfordshire, United Kingdom
Salary
£ 70 K
Architect to join a unique, multi-national Information Management function. Ideal candidates should be committed to the future of software defined data centres and open source technologies and have the dedication in supporting our engineering community in a dynamic, fast paced development environment.Salary: Up to 75,000 depending ...

Linux HPC Specialist

Hiring Organisation
MBDA
Location
Bristol, Gloucestershire, United Kingdom
Salary
£ 70 K
Architect to join a unique, multi-national Information Management function. Ideal candidates should be committed to the future of software defined data centres and open source technologies and have the dedication in supporting our engineering community in a dynamic, fast paced development environment.Salary: Up to 75,000 depending ...

Associate Director, Strategic Execution - International

Location
Greater London, England, United Kingdom
third-party service provider provides risk-intelligence services that may include analysis of sanctions and watchlists, adverse media, public-record information, and other lawful open-source or commercial data sources. This third-party service provider does not act as a consumer reporting agency. Use of this provider helps ...