176 to 200 of 202 Open Source Jobs in the UK

Head of Engineering

Hiring Organisation
Lightdash
Location
City of London, London, United Kingdom
moving at startup speed Establish a culture where iteration is celebrated and perfectionism is challenged How we work at Lightdash We build in public. Open source means moving fast with shared context. We challenge problems, not people. No blame, just solutions. We’re highly collaborative. Independent ...

Member of Technical Staff

Hiring Organisation
Geometric
Location
City of London, London, United Kingdom
Deep Learning, Category Theory, Neuroevolution, Megakernels, or the work of François Chollet, Kenneth Stanley, Jeff Clune, Jurgen Schmidhuber, David Ha, and Christian Szegedy Bonus Open-source kernel contributions (FlashAttention, FlashInfer, vLLM, Unsloth, Liger-Kernels, ThunderKittens) Publications in ML/AI, kernel optimisation or evolutionary methods (NeurIPS, ICLR, CVPR ...

Account Executive | SaaS | Data | Open-source | BI-platform | London

Hiring Organisation
Bluebird
Location
City of London, London, United Kingdom
📋 Account Executive (Full-Cycle) 📍 London, UK (Hybrid) 💰 £85k–£100k base + uncapped commission (OTE £170k–£200k+) 🚀 About the Company We’re partnering with a high-growth, VC-backed SaaS company building a next-generation data ...

Enterprise Customer Success Manager

Hiring Organisation
Ultralytics
Location
City of London, London, United Kingdom
with an ML engineer without bluffing. You translate technical value into business outcomes for budget owners. Prior experience with technical or developer-facing products (open source, APIs, ML/AI) is strongly preferred — we'll teach computer vision if you've done the harder work of being technical … leaders across manufacturing, logistics, retail, pharmaceutical, and beyond. Technically deep, commercially serious accounts. Mature incentive structure. You own renewals and earn on uplift. You source expansion and earn alongside the AE who closes. The incentives are aligned. When the team wins, you win. Established team, room to shape. Existing ...

Linux Kernel Engineer

Hiring Organisation
Platform Recruitment
Location
Cambridge, Cambridgeshire, United Kingdom
Employment Type
Permanent
Salary
£60000 - £85000/annum
their base platform needs constant innovation. Role : You will be a significant senior hire, with significant engineering responsibility including for the trialing of new open-source technologies, as well as the prototyping of novel systems. Much of your work will focus on performance optimisation; strong C++ skills ...

Compiler Engineer

Hiring Organisation
microTECH Global LTD
Location
Cambridge, England, United Kingdom
passes, instruction selection, etc. Experience of shipping software to users Proficiency in Python; proficiency in C++ or Rust Interest in working in the quantum open-source ecosystem What can you expect from us A comprehensive benefits package that includes an annual bonus plan, private medical insurance, life insurance ...

Backend Engineer

Hiring Organisation
Neulinx
Location
City of London, London, United Kingdom
first software Exposure to Cloudflare, real-time databases, or collaborative application backends Experience building infrastructure for products serving both end users and developer customers Open-source contributions or involvement in developer communities What’s on offer £90,000 - £130,000 salary Equity options Hybrid working ...

Offensive Security Engineer (Mobile)

Hiring Organisation
Oscar Associates (UK) Limited
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£75,000
Excellent communication skills and the ability to explain findings clearly Desirable: Experience with biometric systems and identity verification technologies Security research background Contributions to open-source tooling or vulnerability research Exposure to threat modelling and secure architecture reviews If this sounds like you, apply now or reach ...

Linux HPC Architect

Hiring Organisation
Anson Mccade
Location
Bristol, Avon, South West, United Kingdom
Employment Type
Permanent
Salary
£75,000
vendors to ensure services evolve alongside business needs. What We Are Looking For Technical Passion: A commitment to software-defined data centers (SDDC) and open-source technologies. Expertise: Proven experience in designing high-performance storage and scalable infrastructure. Communication: Ability to collaborate effectively with diverse stakeholders and multi ...

Interim Group Finance Manager | SaaS Scale-Up

Hiring Organisation
Harmonic Group Ltd
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£350 - £450 per day
They have a team of bright, passionate people with experience in leading Tech and SaaS scale-ups who are motivated to build the next open-source success story. The Role The Finance Manager will support the CFO closely, with a focus on month end close and group consolidated ...

LEAD CYBER SECURITY ENGINEER

Hiring Organisation
Secure Recruitment Ltd
Location
Manchester, North West, United Kingdom
Employment Type
Permanent, Work From Home
Programming: Highly Proficient in Writing Clean, Scalable & Maintainable Code in Python & Go. Continuous Innovation: A Proactive, Ownership-Driven Mindset, ideally Demonstrated by Contributions to Open-Source Projects or success in Capture the Flag (CTF) Competitions. B2B Start - Up/Scale - Up Pedigree: Experience of working in Fast-Moving ...

SOC Manager

Hiring Organisation
Circle Recruitment
Location
London, UK
Employment Type
Full-time
intelligence and assessment in the context of the organisation to stakeholders by gathering and analysing information to identify and mitigate cyber threats from both open-source (OSINT) and commercial threat intelligence. Proven experience operating cyber security solutions and tools e.g. Security Information and Event Management (SIEM), maintaining security ...

SOC Manager

Hiring Organisation
Circle Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£700 - £850 per day
intelligence and assessment in the context of the organisation to stakeholders by gathering and analysing information to identify and mitigate cyber threats from both open-source (OSINT) and commercial threat intelligence. Proven experience operating cyber security solutions and tools e.g. Security Information and Event Management ( SIEM ), maintaining security ...

Senior Product Marketing Manager (Studio)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
time, and enhance learning and creativity. Our technology is designed to integrate seamlessly into daily working life. We democratise AI through high-performance, optimised, open-source and cutting‐edge models, products and solutions. Our comprehensive AI platform is designed to meet enterprise as well as personal needs. ...

Principal Electrical Safety Engineer

Hiring Organisation
UK Atomic Energy Authority
Location
Abingdon, Oxfordshire, South East, United Kingdom
Employment Type
Permanent
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. The Role The Electrical Safety Group leads electrical safety management and engineering across UKAEA, ensuring compliance with legislation and supporting continuous improvement. ...

Technical Customer Success Manager

Hiring Organisation
PostHog
Location
South West London, London, United Kingdom
Employment Type
Permanent, Work From Home
their business from their first day, to the day they IPO, and beyond. The operating system for folks who build software. We started with open-source product analytics, launched out of Y Combinator's W20 cohort . We've since shipped more than a dozen products , including ...

Technical Account Manager

Hiring Organisation
PostHog
Location
South West London, London, United Kingdom
Employment Type
Permanent, Work From Home
their business from their first day, to the day they IPO, and beyond. The operating system for folks who build software. We started with open-source product analytics, launched out of Y Combinator's W20 cohort . We've since shipped more than a dozen products , including ...

Forward Deployed AI Operators

Hiring Organisation
SilverTree Equity
Location
City of London, London, United Kingdom
faster. Successful FDEs are: Scrappy. Curious. Action-oriented. Resilient. Ownership-driven. Whether that mindset shows up through side projects, community builds, freelance hacks, competitions, open-source contributions, or experimentation, we're interested in how you can think, learn, and build. Programme: Built Upon a Dual Structure FDEs will … their first few years at a traditional firm. Fully-formed FDEs have: Deep, real-world AI experience An impressive portfolio of shipped impact Open doors to future strategic and leadership roles ...

Head of Cyber Security WCC623727

Hiring Organisation
Jobleads-UK
Location
City of Westminster, England, United Kingdom
risk in a local government context. Your technical background gives you deep knowledge of modern security practices across services, infrastructure, hosting and platforms, including opensource technologies and modern software development approaches. You’re comfortable working across cloud and on‐premise environments, using tools such as identity …/or have been racialised as 'ethnic minorities' (formally known as B.A.M.E, Black, Asian and Multiple Ethnic) background and, while the role is open to all applicants, we will utilise the positive action provisions of the Equality Act 2010 to appoint a candidate from a global majority background where ...

Lead Functional Consultant

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
meet and learn from people from an amazing array of nationalities and cultures. We’re extremely proud of the way we work and the open culture we’ve developed. Key Responsibilities Team Leadership Support Lead and line-manage a team of Functional Consultants working across CRM and website projects. … London. We offer flexible hours and a real “team” mentality, working together to make things better. Uniquely, we base all of our solutions on open source products, helping our work to have the greatest possible impact. We offer a full suite of software options for our clients ...

Senior Rust Engineer for Autonomous Testing (London)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
help build the future of autonomous testing. The role requires proficiency in Rust and experience with property-based testing. You'll maintain the open-source project Bombadil and work with various technologies like Chromium automation. This is a hybrid position based in London, emphasizing in-person interactions ...

Senior/Staff Engineer - Bombadil

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
think you could be a fit; drop us a note. In this role you will be part of the team that maintains our open-source project Bombadil (https://github.com/antithesishq/bombadil). This includes working with the specification language and verifier, Chromium automation, advanced ...

Sales Account Executive

Hiring Organisation
Comp AI
Location
Southampton, England, United Kingdom
Comp AI is the fastest growing open source compliance platform in the world. We've built an AI-native platform that reduces the time it takes to get compliant with SOC 2, ISO 27001, HIPAA and GDPR from months to just hours. We're looking for account executives ...

Channel Manager - SaaS - Iberia

Hiring Organisation
3Search
Location
London Area, United Kingdom
they reach production. Their platform supports more than 30 programming languages and is trusted by millions of developers worldwide. With deep roots in the open-source community and a strong mission to help development teams build better software, the organisation offers an innovative, collaborative environment where the Partner ...

Attack Surface Management Analyst

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
whether they may be affected and actions they can take. Technical testing ; vulnerability scanning, attack surface discovery, manual exploit validation, light‐touch pentesting and OpenSource Intelligence (OSINT) gathering Client Engagement ; translating client challenges into solutions that fit S‐RM’s ASM service offerings and value proposition, understanding ...