651 to 675 of 828 Open Source Jobs in London

Core Linux Engineer - Quant Trading

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
improving and building a best-in-class platform that powers the complex proprietry trading systems. The technology is a mixture of in-house and open-source allowing deep customisation and innovation on every level. Automation is key for my client, they automate as much as they ...

Linux Engineering Manager - Tier 1 HFT

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
with improving and building a best-in-class platform that powers the complex trading systems. The technology is a mixture of in-house and open-source allowing deep customisation and innovation on every level. Responsibilities: Providing strong leadership and guidance to the growing team of Linux Engineers, both ...

Javascript .net Fullstack Web Application Developer

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
framework, but due to the impressive performance and productivity benefits of React, we have chosen to gradually phase out these older frameworks. We use open source JavaScript libraries extensively, most notably Lodash, Plotly Charts and React Virtualized. Postman covers API level testing. Full stack integration testing is handled ...

Linux Platfrom Engineering Manager - HFT

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
with improving and building a best-in-class platform that powers the complex trading systems. The technology is a mixture of in-house and open-source allowing deep customisation and innovation on every level. Responsibilities: Providing strong leadership and guidance to the growing team of Linux Engineers, both ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

Associate (Safety)

Location
Greater London, England, United Kingdom
successful delivery and implementation of bespoke AI solutions Working side-by-side with key 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 ...

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 ...

Forward Deployed Engineer (New Grad)

Location
Greater London, England, United Kingdom
ambiguous. Entrepreneurial spirit. You’ve spent time building things outside of structured coursework such as working on a startup, founding or contributing to an open‐source projects, or shipping personal projects end‐to‐end. Clear communicator. You can explain technical ideas clearly, ask good questions, and enjoy working ...

Specialist SA TechLead, WWSO Startups (AWS)

Location
Greater London, England, United Kingdom
Architect, or a similar cloud certification Startup background and experience at a VC or PE-backed firm in a Technical Executive capacity. Familiarity with open-source software and agentic tooling used by Startups and working knowledge of software development tools and methodologies common to Startups. Strong data-based ...

Manager - BCG Vantage, Data Centers and AI Infrastructure

Hiring Organisation
The Boston Consulting Group
Location
London, UK
Employment Type
Full-time
client project's needs; works with qualitative and quantitative data, conducts research and provides synthesized results from sources including commercial data, public and open source, company and industry research, macro-economic, commodities and trade data. Boston Consulting Group is an Equal Opportunity Employer. All qualified applicants will receive ...

Manager, Advanced Professional Services EMEA

Location
Greater London, England, United Kingdom
small company with a big reach. Not only do our customers have a tremendous user base, but we also support a growing number of open source projects and initiatives. Outside of code, employees are encouraged to share causes close to their heart with others so we can help ...

Agent Runtime & Systems - Member of Technical Staff

Location
Greater London, England, United Kingdom
orchestration platform Meaningful contributions to systems such as Ray, Temporal, Kafka, Erlang/BEAM, PyTorch, JAX, TensorFlow, or comparable projects Strong API design judgement, open-source collaboration, and disciplined approaches to testing, versioning, compatibility, and reproducibility Experience in ML systems or large-scale inference and training What ...

Senior iOS Engineer

Location
Greater London, England, United Kingdom
work Go the extra mile to add the awesome sprinkles What We Look For Experience in continuous integration setup and automation Taken part in open-source projects Experience with backend technologies Experience with The Composable Architecture and SwiftUI Experience with Combine and async/await Experience with ...

Product Engineer

Location
Greater London, England, United Kingdom
full software stack (frontend + backend + infra). Day to day, that spans: Architecting cutting-edge AI agents using a mixture of external, open source and proprietary multimodal models. Developing internal eval benchmarks and aggregating datasets to measure and improve agent performance. Building and improving secure cloud ...