51 to 75 of 94 Open Source Jobs in London

Head of Technology (Technical)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
waterfall and Agile methodology. Experience of many different technology types and approaches, front end, back end, SaaS, IaaS, PaaS, cloud, hybrid Cloud, Opensource, ERP, CRM, Web, Automation, DevOps, Scrum. Expertise in both the strategy and execution of digital and technology transformation. Develop and lead substantial technology and implementation functions. Support ...

Cloud Architect- eDV Cleared

Hiring Organisation
Searchability NS&D
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£65,000 - £120,000 per annum, Negotiable
commute to London.- Experience as a hands-on cloud architect CLOUD ARCHITECT ESSENTIAL SKILLS- Expertise in delivering AWS Cloud native solutions- Background in Open-source technologies and frameworks- Experience with micro-service based architectures- Experience working with structured architecture approaches (TOGAF or SAFe)- Leadership and stakeholder management experience ...

Full Stack Software Engineer (AI-Native) | React / Node.js | Remote

Hiring Organisation
Propel
Location
City of London, London, United Kingdom
architecture, and software fundamentals Interest in building scalable products with real-world impact Nice to Have Python, PostgreSQL, GraphQL, AWS or GCP Side projects, open-source contributions, or startup experience Interest in AI, automation, or enterprise software Location Remote across: United Kingdom No visa sponsorship or relocation support ...

AI Software Engineer

Hiring Organisation
Fruition Group
Location
North West London, London, United Kingdom
Employment Type
Permanent, Work From Home
similar) Consultancy or client-facing technology delivery experience Desirable: Experience with vector databases, embeddings, or model fine-tuning Cloud platform experience (AWS preferred) Open-source contributions or visible AI side projects This is not a research-focused post; it is suited to engineers who build, deploy and scale ...

Research Science - Human Attention

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £75,000 per annum
images, video, 3D scenes, and gaze signals.Translating research ideas into practical prototypes with support from a small engineering-focused team.Contributing ideas proactively in an open, research-driven environment. Your Skills and Experience PhD, near-complete PhD, in machine learning, computer vision, AI, cognitive science, neuroscience, HCI, robotics … related field. Evidence of strong research output such as publications at leading computer vision or AI venues, patents, or substantial open-source contributions. Strong hands-on experience with Python and modern deep learning frameworks, ideally PyTorch. Ability to design, run, and evaluate machine learning experiments independently. A genuine ...

AI Engineer

Hiring Organisation
60x
Location
Greater London, England, United Kingdom
parts of the platform that decide whether the context layer delivers. Ingestion and connectors. SharePoint, Google Drive, Gmail, DealCloud, and the next source on the list. Some clients hand us 400k+ files at 150+ GB and expect it to Just Work. You'll build the pipes and harden them. … without burning out Beyond the role: Strong fundamentals in at least one of Python, JavaScript or TypeScript Something shipped, a project, a dissertation, an open-source contribution, a hackathon win, where you can walk us through architectural choices and what you'd do differently Comfort in an agent ...

Senior Software Engineer – Property-Based Testing (London)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
team. Candidates should be comfortable working with AI assistance and maintaining quality in software development. This job is a fantastic opportunity to contribute to open source and work on cutting-edge technology. #J-18808-Ljbffr ...

Scala Developer

Hiring Organisation
Robert Half
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
role with production issues and release management Profile The Scala Developer will have knowledge and experience of a wide range of best of breed open source and commercial technologies - Scala, Kubernetes, Docker, AWS. Experience of software development for high capacity, high traffic, high availability websites/systems Delivery ...

Research Engineer

Hiring Organisation
Block MB
Location
City of London, London, United Kingdom
complex ideas clearly to both technical and non-technical audiences Nice to Have Experience in asset management, hedge funds, or quantitative trading Contributions to open-source ML projects Prior tech lead or mentorship experience What's on Offer Full ownership of ML strategy from day one Dedicated time ...

Data Engineer

Hiring Organisation
Searchability NS&D
Location
London Area, United Kingdom
transform data for analytics and reporting. Develop ETL/ELT workflows to move data efficiently into data warehouses, data lakes and lake houses using open-source and AWS tooling. Apply DevOps practices, including CI/CD, infrastructure as code and automation, to improve and streamline data engineering processes. ...

Senior Test Manager- Financial Services

Hiring Organisation
KPMG UK
Location
City of London, London, United Kingdom
Change. In-depth understanding, knowledge and experience of the testing industry to include: testing services (type, costing, route to market), tools (commercial/open-source, selection and implementation), practices (methods by SDLC-type, test accelerators), metrics (selection, implementation), and key players (suppliers, tool vendors, industry “regulators”). ...

Deep Learning Engineer

Hiring Organisation
Humanoid
Location
London Area, United Kingdom
. Proven productization of deep nets (latency/throughput constraints, telemetry, on‐device optimization). Publications at ICLR/ICML/NeurIPS or equivalent opensource contributions. Familiarity with OpenVLA, Physical Intelligence (π) models, or similar open VLA frameworks. What We Offer: Meaningful time off to rest ...

Founding Engineer

Hiring Organisation
Pharosyn
Location
London, England, United Kingdom
iteration speed as first-class product concerns You Must •⁠ ⁠Have demonstrated ability to build and ship real products (e.g., shipped SaaS, production pipelines, open-source with users, meaningful side project, startup experience) - show us what you’ve made •⁠ ⁠Have strong core engineering fundamentals and the ability to learn … depth in one of our core domains. For outstanding senior engineers with relevant experience building and deploying complex systems with enterprise customers, we are open to going meaningfully higher. •⁠ ⁠Meaningful equity — this is a true founding engineer role •⁠ ⁠Direct collaboration with the founders on product and strategy •⁠ ⁠Travel ...

Web Application Developer

Hiring Organisation
Shepherd Reardon
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£25,000 - £40,000 per annum
preferably in a science/engineering/numerate discipline you will have least 1 year of hands-on C# development or other open-source software development which could have been obtained during university studies or your personal time. Additionally you must have experience of working on a website ...

Founding Engineer

Hiring Organisation
Explore Group
Location
City of London, London, United Kingdom
building REST APIs using NestJS or Express Or Python Experience with MongoDB or similar databases Evidence of building independently, for example side projects, startups, open source work Experience in a company with fewer than 50 employees High agency and comfort operating in fast moving environments Nice to have ...

Java Engineers - Senior / Lead

Hiring Organisation
numi
Location
City of London, London, United Kingdom
standards and a commitment to building trust-based software. Nice to Have Previous experience in a fintech or high-growth startup environment. Contributions to open-source projects or a background in building custom tooling. Familiarity with cross-functional "tribe and squad" working models. Why Join ...

Vice President - Ontologist - Data Scientist Lead

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Experience with data standards and ontologies for Data and Financial services. Contributions to Ontology community, such as papers, conference presentations, industry standard contributions, or open source contributions. #J-18808-Ljbffr ...

Senior Test Manager

Hiring Organisation
KPMG UK
Location
London Area, United Kingdom
Consulting environment In-depth understanding, knowledge and experience of the testing industry to include: testing services (type, costing, route to market), tools (commercial/open-source, selection and implementation), practices (methods by SDLC-type, test accelerators), metrics (selection, implementation), and key players (suppliers, tool vendors, industry “regulators”). ...

Senior Talent Acquisition Lead

Hiring Organisation
Ultralytics
Location
London Area, United Kingdom
Sales, Solutions, Customer Success, Partnerships) in developer-led products. Familiarity with OKR frameworks and operating cadences that drive measurable recruiting outcomes. Prior exposure to open-source or developer ecosystems (e.g., Ultralytics GitHub). Passion for what we build and how it’s used by teams worldwide … improvement. Strive for excellence: Perseverance and attention to detail. Actions, not words: Focus on delivering meaningful results. Act with urgency: Seize fleeting opportunities. Open access to all: Transparent communication and collaboration. Learn more in our Ultralytics Handbook and values. 💰 Compensation and benefits We reward excellence and impact — not just ...

Software Engineer

Hiring Organisation
Platform Recruitment
Location
London, United Kingdom
Employment Type
Permanent
Salary
£80000 - £115000/annum
commercial C++ expertise Significant bias towards C++ development Genuine passion for writing clean, performant code Bonus if : Commercial C++ experience Have worked on open-source projects Have an activity portfolio of personal C++ projects Full details are available. Please don't hesitate to get in touch. ...

Lead Software Engineer

Hiring Organisation
Understanding Recruitment
Location
City Of London, England, United Kingdom
Enhance overall system efficiency, expandability, and dependability within distributed robotic setups. Experience you'll need: Production experience with Rust , or contributions to production grade open source repos. 2+ Years. Experience working with Tokio , or other asynchronous frameworks such as async.std or Smol. Ideally a background in a core ...

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
London Area, 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 ...