651 to 675 of 1,225 Open Source Jobs

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 ...

Platform Engineer

Location
Greater London, England, United Kingdom
maintaining our foundational tools and systems. Working hands-on with our Kubernetes clusters, AWS infrastructure, and configuration management using Terraform. Integrating and managing various open-source components to provide robust, scalable primitives for our engineering teams. Software & Backend Engineering Building and maintaining the services that abstract and orchestrate … base salary Incentive Awards tied to your performance This role can be based in our London office, but we're open to distributed working within the UK (with ad hoc meetings in London). We offer flexible working hours and trust you to work enough hours to do your ...

Systems and Security Analyst - London

Location
Greater London, England, United Kingdom
Information Resilience (CIR) is an independent organisation dedicated to exposing human rights violations, disinformation and harms against women and minorities. We achieve this through open source research, digital investigations, capacity‐building with local partners, and collaboration with media to amplify our impact. CIR was born … between the core hours of 10.00 -12.00 GMT and 14.00-15.30 GMT each working day unless an exception has been agreed. CIR is open to recruitment of the right candidate on either a consultancy or fixed‐term employment contract basis. A candidate’s guide to artificial intelligence ...

Anthropic Fellows Program, Reinforcement Learning

Location
Greater London, England, United Kingdom
research and engineering talent. We provide funding and mentorship to promising technical talent - regardless of previous experience. Fellows will primarily use external infrastructure (e.g. open-source models, public APIs) to work on an empirical project aligned with our research priorities, with the goal of producing a public output … program. Workspace Locations: We have designated shared workspaces in London and Berkeley where fellows will work from and mentors will visit. We are also open to remote fellows in the UK, US, or Canada . We will ask you about your availability to work from Berkeley or London (full ...

Cloud AI Platform Engineer - AI-Native Backend & DevTools

Location
Cambridgeshire and Peterborough, England, United Kingdom
automation. You will work on cloud platform services, leveraging Python/Go, JavaScript/TypeScript, and container tooling. Join a growing tech team developing open-source–style contributions, with hands-on Kubernetes and IaC work across AWS/GCP environments. #J-18808-Ljbffr ...

AI Solutions Engineer

Location
United Kingdom
/Master’s degree in Computer Science, Data Science, or AI. Previous experience in AI application development . Published papers or contributions to open-source AI/ML projects are a plus. Certifications such as AWS Certified Machine Learning, TensorFlow Developer Certificate, or Microsoft AI Engineer Associate . ...

Golang Engineer

Hiring Organisation
Talent-Relay Limited
Location
Burgess Hill, West Sussex, South East, United Kingdom
Employment Type
Contract
Contract Rate
£78,268
Understanding of BDD/TDD Strong problem-solving, analytical skills, and a desire to learn new technologies. Preferred: Experience with Docker, Kubernetes. Experience with open-source contributions. ...

Senior Software Developer

Location
Coventry, England, United Kingdom
junior developers. In-depth knowledge of network technologies such as HTTPS, PKI, HTTP2/3, TLS, DNS, DHCP, Squid, nginx, and more. Familiarity with open-source development (e.g., demonstrated through GitHub contributions). Understanding of DevOps practices and culture. Knowledge of Linux internals, including kernel tuning, device drivers ...

Tech Lead

Hiring Organisation
Next Ventures
Location
Apeldoorn, Gelderland, Netherlands
Employment Type
Permanent
Salary
EUR Annual
guidance to development teams and third-party suppliers Collaborate with Product Owners, Product Managers, Scrum Masters, Architects, and Engineering teams on infrastructure, security, open-source practices, and standards Identify emerging technologies, industry trends, and relevant standards to drive innovation and improvement Establish, maintain, and improve processes in line ...

Junior backend developer

Location
Southampton, England, United Kingdom
Familiarity with Next.js or React Understanding of database optimisation Experience integrating third-party APIs Knowledge of authentication and authorisation Familiarity with WebSockets Personal or open-source backend projects What we offer Competitive salary Hybrid or remote working options Flexible working hours Professional development opportunities Mentoring from experienced developers ...

Staff Software Engineer, Marketing Tech

Hiring Organisation
eBay
Location
Amsterdam, Noord-Holland, Netherlands
Employment Type
Permanent
Salary
EUR Annual
write technical design docs; capable of design reviews Experience with AI-assisted development tools and exposure to GraphQL, federated APIs, LLM-powered features; open-source contributions a plus Strong ownership mentality and ability to drive work end-to-end in a collaborative environment Exposure to GraphQL and Federated ...

Senior Machine Learning Scientist - Agentic Modelling Team

Hiring Organisation
Booking.com
Location
Amsterdam, Noord-Holland, Netherlands
Employment Type
Permanent
Salary
EUR Annual
years in a quantitative field (e.g., CS, AI, Math, Physics) or equivalent End-to-end R&D planning experience; peer-reviewed publications, patents, or open-source contributions preferred Strong Python and ML/AI frameworks knowledge Experience with LLM APIs and retrieval systems Cross-functional collaboration ...

Software Engineer, AI Coding Tasks (Contract)

Hiring Organisation
Askable
Location
Nationwide, United Kingdom
Employment Type
Contract
Contract Rate
£75/hour
than one round. Next task. Once your task is accepted, start another. Requirements 2+ years of professional software engineering Code merged into a public open-source repository, ideally one you know well. A private codebase you own may also qualify (not employer or client code) Strong ...

AI Engineer

Location
United Kingdom
sensitive data appropriately Experience delivering digital services within UK central government or the wider public sector Familiarity with GOV.UK Service Standard expectations Exposure to open-source LLM tooling or communities Familiarity with AI/ML tooling on AWS, Azure, or GCP #J-18808-Ljbffr ...

Senior Quant AI Researcher

Location
Greater London, England, United Kingdom
accuracy and governance. Integrate quant signals, trusted data sources, and human-review controls for robust and reliable model performance. Benchmark model providers and explore open-source alternatives to stay ahead of the curve. Collaborate with cross-functional teams to align ML models and AI agents with business objectives ...