651 to 675 of 1,251 Open Source Jobs

Senior ML Engineer: Large-Scale AI Systems

Location
Cambridge, England, United Kingdom
distributed training or inference of ML models across 64+ accelerators. Familiarity with HPC systems and networking including Infiniband, NVLink, RoCE technologies. Have contributed to open-source projects or published research papers in relevant fields. Knowledge of cloud computing platforms. Keen to present, publish and deliver talks ...

Senior ML Engineer: Large-Scale AI Systems

Location
West of England, England, United Kingdom
distributed training or inference of ML models across 64+ accelerators. Familiarity with HPC systems and networking including Infiniband, NVLink, RoCE technologies. Have contributed to open-source projects or published research papers in relevant fields. Knowledge of cloud computing platforms. Keen to present, publish and deliver talks ...

VP, Senior Backend Developer - Blockchain Infrastructure

Location
Greater London, England, United Kingdom
smart contracts (Solidity). Familiarity with AI‐assisted development workflows: spec‐driven development, code generation tools, MCP, or agent‐based paradigms. Contributions to open‐source projects. Experience with Rust. What We Offer: Competitive base salary and discretionary bonus Hybrid/Flexible Working Arrangements Flexible Time Off (paid ...

Senior Software Engineer II (Full-Stack)

Location
Greater London, England, United Kingdom
dealbreaker if you don't have it yet Experience with infrastructure-as-code (Terraform, CDK, CloudFormation) or serverless architectures Open-source contributions, big or small A strong interest in health or fitness technology Salary and Benefits We’re offering a salary of £85,000-95,000 per year ...

Staff Engineer - AI Developer Tools and Platforms

Location
Cambridge, England, United Kingdom
product and ecosystem goals. Drive software quality and ecosystem adoption through testing, code review, well-designed interfaces, maintainable implementations and contributions to upstream and open-source projects where appropriate. Required Skills and Experience : Linux, containerisation and experience with programming languages such as Go, Python, Rust or TypeScript. Proven ...

Senior Security Consultant

Location
Yeovil, England, United Kingdom
Defence security standards, such as Defstan 05-138 & Defstan 05-139.* That extends outside of traditional enterprise IT scenarios extending to proprietary and open-source software, firmware and electronic hardware.* Developing, evaluating and analysing design constraints, and detailed system and security designs as they pertain ...

Senior Software Engineer New Markets - UK Remote

Location
Greater London, England, United Kingdom
brokerage professionals who are working to achieve our mission of opening financial services to everyone on the planet. We're deeply committed to open-source contributions and fostering a vibrant community, continuously enhancing our award-winning, developer-friendly API and the robust infrastructure behind it. Alpaca is proudly ...

Senior Offensive Security Engineer (Autonomous testing)

Location
City of Edinburgh, Scotland, United Kingdom
Consultancy, MSSP, or managed service experience. Exposure to commercial autonomous or continuous testing platforms (XBOW, Horizon3.ai NodeZero, Pentera) as a user, evaluator, or competitor. Open‐source contributions to offensive or agent tooling, published research, conference talks (DEF CON, Black Hat, BSides, AI Village), or a CVE record. Detection ...

Cloud Developer

Location
Reading, England, United Kingdom
automations, custom integrations, or addons, especially where you've treated it like a \"real\" software platform. Evidence of being an IT hobbyist: side projects, opensource, home lab, or automation setups. Our culture We are a close-knit team and value every employee. We always welcome ideas from everyone, no matter ...

Staff Platform Engineer

Location
Greater London, England, United Kingdom
Airship”. Airship manages the infrastructure that powers Uswitch and Money.co.uk brands as well as the RVU wide AI initiative. We are committed to Open Source software in order to build services that help millions of customers to save money and make confident decisions. As well as helping … customers, we also give back to the community by open‐sourcing interesting projects that we build that might benefit others. Our goal as a team is to enable our development teams to deliver services quickly, reliably and securely. We do this by running multiple Kubernetes EKS and Fargate clusters ...

Build & Deployment Engineer

Hiring Organisation
Deerfoot Recruitment Solutions Limited
Location
City of London, London, Coleman Street, United Kingdom
Employment Type
Contract
London - Hybrid (4 Days on-site, 1 day WFH each week) Inside IR35 Contract Are you a build and deployment engineer who can open up the C# code behind a pipeline and fix it yourself? That combination is exactly what's needed here. You'll join the Platform Engineering … function of one of the world's largest financial groups, owning the on-premises toolchain that takes software from source code to production. GitHub Enterprise, TeamCity, JFrog Artifactory and Xray, and Octopus Deploy, all integrated with ServiceNow change and vulnerability management. In a regulated banking environment, every build ...

Software Reliability Engineer

Location
Greater London, England, United Kingdom
integrating appropriate test data, implementing data masking in lower environments Upgrading to supported runtimes (generally Java or NPM). Containerizing applications where feasible. Upgrading open-source libraries to their latest available major versions (e.g., migrating from Spring 2). Upgrading to the latest version of all dependencies, whether … base images or operating system. Implementing processes that allow us seamlessly to stay current Implementing continuous library updates using Renovate. o Introducing best practice source control and branch management o Improving code review processes Ensuring best practice security patterns, secrets management, authentication and authorisation Simplifying and automating application deployment ...

Security Engineer

Location
Greater London, England, United Kingdom
provide for the security and integrity of your Personal Data. We are committed to Processing your Personal Data fairly and lawfully, and being open and transparent about such Processing. For further information on how we process your data, please see the privacy notice for applicants here. … Group’s business is powered by sophisticated technology with AI accelerating the next generation of transformation. Our technology stack is built on modern open-source components, both enabling day-to-day research and development, and supporting our 24hr trading. With adoption of AI-agents we are investing ...

Guidance, Navigation & Control Engineer

Location
Greater London, England, United Kingdom
Helsing is a defence AI company. Our mission is to protect our democracies. We aim to achieve technological leadership, so that open societies can continue to make sovereign decisions and control their ethical standards. As democracies, we believe we have a special responsibility to be thoughtful about the development … mission-driven people to join our European teams – and apply their skills to solve the most complex and impactful problems. We embrace an open and transparent culture that welcomes healthy debates on the use of technology in defence, its benefits, and its ethical implications. The role Helsing delivers ...

LLM Engineer

Location
Greater London, England, United Kingdom
holidays. Flexible working hours: Tailor your working hours to suit your productivity. Tech & tools: Engage with cutting‐edge AI projects and contribute to leading open‐source software. Gear: Brand‐new Apple MacBook Air/Pro, Apple Studio Display, and AirPods Pro 3. Team: Become part of a supportive … YOLO framework. Impactful Work: Shape the future of AI‐powered solutions that transform industries. Collaborative Culture: Join a talented and passionate team that values open communication and innovation. Ultralytics Handbook Comprehensive guide to our company's mission, vision, values, and operational practices. This handbook is designed to provide ...

Software Engineer Linux

Hiring Organisation
Becrypt
Location
London, United Kingdom
Employment Type
Permanent
join our close knit Linux development team. A genuine interest in product development is key as everyones contribution counts in our informal and open Agile working environment. Principle duties: Development and maintenance of Linux based operating systems Work on Linux Distros with a focus on security Configure and customize … Debian package management Bash scripting Object oriented programming in C++ A degree in STEM or significant programming experience Desirable Python programming Linux kernel programming Open source development Security infrastructure Why Join Us: Shape the future of secure endpoint technology. Work on high-impact projects for global, high-profile ...

AI Security Engineer (Agentic Systems)

Location
Greater London, England, United Kingdom
training other security engineers to take the practice on themselves Nice to Have Familiarity with agent‐hijacking or agent‐specific evaluation tooling (for example open‐source agent‐security benchmarks) Awareness of emerging AI regulation relevant to security testing, such as the EU AI Act's adversarial and robustness … trust you to perform at your best and still have a life outside of work, with genuine hybrid working, a home office budget, an open feedback culture where your voice shapes decisions, and time off when life needs it (birthday included). When ClearRoute wins, you win. We offer ...

Director Data & Analytics API Experience - Data Services

Location
Greater London, England, United Kingdom
final product" and the “primary tool” moving CMEG up the value curve from a raw data producer to an invaluable source of insights for our customers. What you Will be Doing The focus of the work is on activation and will be organized across four strategic pillars designed … front door' for internal users, allowing them to 'pip install' and access BigQuery datasets through the same idiomatic Python patterns designed for customers. Release Open-Source SDKs: Develop and maintain a suite of SDKs in popular languages like Python and C++ to make integrating with our APIs ...

Software Engineer (Principal & Lead) - Perm - SC & DV

Hiring Organisation
Sanderson Government and Defence
Location
Cheltenham, Gloucestershire, South West, United Kingdom
Employment Type
Permanent
Lead or Principal Software Engineer, you will help lead the development of backend platforms and services for secure clients leveraging the latest commercial and open-source technologies in private and public cloud environments. Design, develop, document, deploy and enhance features to our platforms and services that meet functional … Good engineering practices including continuous delivery, clean code, documentation, defensive programming, automated testing and code reviews Using GitHub/GitLab/Atlassian Suite for source control Test Driven Development with appropriate tools and frameworks Experience with micro-service design patterns Experience in Big Data technologies Reasonable Adjustments: Respect ...

Principal Platform Engineer - London Heidi · London · Platform & Infrastructure £82,500–£119,000 e 3w ago

Location
Greater London, England, United Kingdom
owns production. You’ll work directly on incident response, on-call, system reliability, and day-to-day operations for Heidi’s platform. We’re open to candidates who are strong mid-level SREs ready to take on more ownership, as well as senior SREs who enjoy being hands … shown through hands-on building, prototyping, or side projects. You default to building over requesting. You're confident in your thinking and open to being wrong. Great ideas win regardless of who surfaces them. How we show up Build for the next decade, not next quarter . Our targets ...

Head of Financial Planning & Analysis

Location
Douglas, Northern Ireland, United Kingdom
refresh their data centers, our goal is to be the platform for cloud and apps. As they re-architect their business applications to embrace open source, our goal is to deliver the majority of their databases, analytics, messaging, publishing, identity, security, workflow... everything that is open source. … meet colleagues, with Priority Pass for lounge access About Canonical Canonical is a pioneering tech firm at the forefront of the global move to open source. Our platform, Ubuntu, is very widely used in breakthrough enterprise initiatives such as public cloud, data science, AI, engineering innovation, and IoT. ...

Head of Financial Planning & Analysis

Location
Greater London, England, United Kingdom
refresh their data centers, our goal is to be the platform for cloud and apps. As they re-architect their business applications to embrace open source, our goal is to deliver the majority of their databases, analytics, messaging, publishing, identity, security, workflow... everything that is open source. … meet colleagues, with Priority Pass for lounge access About Canonical Canonical is a pioneering tech firm at the forefront of the global move to open source. Our platform, Ubuntu, is very widely used in breakthrough enterprise initiatives such as public cloud, data science, AI, engineering innovation, and IoT. ...

CiviCRM / PHP Engineer (Mid-level to Senior)

Location
Greater London, England, United Kingdom
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: Build and test CiviCRM extensions and Drupal modules, with unit tests on every change Help write technical specifications before building … integrations and webhooks (Stripe, GoCardless or similar) Drupal module development on 7 and 10/11 Security and data protection awareness Contributing fixes to open-source projects What we value in this role: Good judgement: knowing when the quick answer is the wrong answer, whether it comes from ...

Senior CIRT / Threat Intel Analyst

Hiring Organisation
S&P Global
Location
Manhattan, New York, United States
Employment Type
Permanent
Salary
USD Annual
actors/TTPs, and assess potential impact). Understand the threat landscape through collaboration with industry peers, FS-ISAC, trust groups, and commercial/open-source intelligence, translating insights into actionable recommendations. Develop, maintain, and operationalize Incident Response playbooks and SOPs; include PIRs (Priority Intelligence Requirements), collection plans … threat hunting. Ability to produce clear, actionable intel and incident reports, including executive-ready summaries and visuals. Familiarity with threat intel workflows: collection planning, source evaluation, indicator lifecycle, PIRs, TLP, and feedback loops to detections. Experience with one or more TIPs or intel data sources (e.g., MISP, OpenCTI, Recorded ...

Data Scientist - Fraud

Location
City Of London, England, United Kingdom
models Utilise and blend all available data sources to ensure all fraud models are highly predictive and market leading - consumer bureau data, postcode insights, open source data,transactional insights & fraud indicators from partnerships Apply traditional model development techniques and approaches (e.g. logistic regression) as well as adopting … Banking, Lending, Insurance, Public Sector, Utilities, etc. Use of LLMs to improve efficiencies in the model building process Use of alternative data such as open banking transactional data in statistical models Experience of working in a product development environment Experience with industry related fraud prevention tools (e.g. Hunter, Kount ...