276 to 300 of 454 Permanent Open Source Jobs

Engineering Manager

Hiring Organisation
Canada Life
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
optimise flow, deliver customer value and modernise our platforms. Our bespoke mortgage system is built using Ruby on Rails, MySQL, JavaScript, and other open-source technologies, with a clear roadmap toward cloud-native evolution. Key responsibilities Lead, coach and inspire a stream-aligned product engineering team, fostering ...

IT - Medicaid - Enterprise Quality Program Test Lead

Hiring Organisation
TPI Global Solutions
Location
Montgomery, Alabama, United States
Employment Type
Permanent
Salary
USD 7,094 Annual
control concepts and management software Specific Requirements: Required Experience: 2 - 3 years of experience in using AI tools for EE2E Testing, API testing using open-source automation tools and testing Snowflake cloud data platform 2 - 5 years of experience in testing MMIS system 2 - 5 years of experience ...

AI Data Associate with Dutch, Artificial General Intelligence Data Services

Hiring Organisation
Amazon Development Center (Netherlands) B.V
Location
Segbroek, Den Haag, Netherlands
Employment Type
Permanent
Salary
EUR Annual
complex tasks and documents PREFERRED QUALIFICATIONS - Bachelor's degree in a relevant field - Proven experience with demonstrated task execution ability - Proven capacity to leverage open-source resources effectively for comprehensive research purposes - Ability to adapt well to fast-paced environments with changing circumstances, direction, and strategy - Proven project ...

AI Data Associate with Dutch, Artificial General Intelligence Data Services

Hiring Organisation
Amazon Development Center (Netherlands) B.V
Location
Den Haag, Zuid-Holland, Netherlands
Employment Type
Permanent
Salary
EUR Annual
complex tasks and documents PREFERRED QUALIFICATIONS - Bachelor's degree in a relevant field - Proven experience with demonstrated task execution ability - Proven capacity to leverage open-source resources effectively for comprehensive research purposes - Ability to adapt well to fast-paced environments with changing circumstances, direction, and strategy - Proven project ...

AI Data Associate (NL), Artificial General Intelligence Data Services

Hiring Organisation
Amazon Development Center (Netherlands) B.V
Location
Den Haag, Zuid-Holland, Netherlands
Employment Type
Permanent
Salary
EUR Annual
complex tasks and documents PREFERRED QUALIFICATIONS - Bachelor's degree in a relevant field - Proven experience with demonstrated task execution ability - Proven capacity to leverage open-source resources effectively for comprehensive research purposes - Ability to adapt well to fast-paced environments with changing circumstances, direction, and strategy - Proven project ...

Site Reliability Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
networks. You have deployed and managed petabyte scale all-flash storage systems, including DDN, VAST, and/or Weka; or Ceph, LUSTRE, or similar open source tools. Salary & Benefits Competitive total compensation package (salary + equity). Retirement or pension plan, in line with local norms. Health, dental ...

Senior Backend Engineer

Hiring Organisation
Nelly Works
Location
City of London, London, United Kingdom
powered features is valuable but not required. End-to-end ownership mindset : You've shipped something meaningful on your own—a project, open source tool, or business—and you drive work from conception to production. Modern backend fundamentals : Comfortable with modern backend languages and frameworks, plus exposure ...

Staff Machine Learning Engineer (Large Systems)

Hiring Organisation
Jobleads-UK
Location
Cambridge, England, United Kingdom
Triton/CUDA kernels for performance optimisation of ML models. Familiarity with HPC systems and networking including Infiniband, NVLink, RoCE technologies. Have contributed to opensource projects or published research papers in relevant fields. Knowledge of cloud computing platforms. Keen to present, publish and deliver talks ...

Lead Engineer

Hiring Organisation
scrumconnect ltd
Location
Swansea, West Glamorgan, United Kingdom
Employment Type
Permanent
Salary
GBP 70,000 - 75,000 Annual
accessibility standards (WCAG 2.2) and inclusive design Experience supporting services through GDS Alpha, Beta, and Live assessments Active contribution to engineering communities of practice, open-source projects, or technical writing What we offer Competitive salary with annual review Company pension scheme Generous annual leave entitlement Critical illness cover ...

Vice President, AI Deployment & Strategy (UK, Italy, France or Germany)

Hiring Organisation
SaxeCap
Location
City of London, London, United Kingdom
worked on a live deal, you know what this feels like. Builder DNA. You don't just recommend, you build. Side projects, open-source contributions, 0-to-1 products, or intrapreneurial ventures all signal the instinct we're looking for. Structured synthesis at scale. You can process massive ...

Senior Software Engineer - Platform Runtime London

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
experience with software suites typically used to manage data and pipelines at scale, such as Kubeflow, Kedro, Kubetorch among others. Ideally Experience contributing to open source Kubernetes projects or the wider CNCF ecosystem. Exposure to GPU workload scheduling or accelerated compute environments. Experience with Terraform and/ ...

Principal Full Stack Engineer

Hiring Organisation
Lennar Homes
Location
Miami, Florida, United States
Employment Type
Permanent
Salary
USD Annual
patterns, and multi-agent orchestration in production. Demonstrated ability to lead without formal authority, influencing direction through technical credibility and clear communication. Contributions to open-source AI projects or published technical writing on AI engineering topics preferred. Experience in regulated or enterprise environments where auditability, security, and compliance ...

Senior Security Consultant

Hiring Organisation
Jobleads-UK
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 opensource software, firmware and electronic hardware. Developing, evaluating and analysing design constraints, and detailed system and security designs as they pertain ...

Due Diligence Analyst (Mission Assurance 4) - 27760

Hiring Organisation
HII Mission Technologies Division
Location
Fort George G Meade, Maryland, United States
Employment Type
Permanent
Salary
USD Annual
FOSS course or 3-letter agency equivalent JCITA Due Diligence Course graduate or equivalent course 5+ years of Due Diligence experience. Knowledge of various open source, digital behaviors, and common platforms utilized in one or more Combatant Command's Areas of Responsibility Experience within the Intelligence Community, CCMDs ...

Due Diligence Specialist (Mission Assurance 4) - 28270

Hiring Organisation
HII Mission Technologies Division
Location
Fort George G Meade, Maryland, United States
Employment Type
Permanent
Salary
USD Annual
FOSS course or 3-letter agency equivalent JCITA Due Diligence Course graduate or equivalent course 5+ years of Due Diligence experience. Knowledge of various open source, digital behaviors, and common platforms utilized in one or more Combatant Command's Areas of Responsibility Experience within the Intelligence Community, CCMDs ...

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 ...

Internal Legal Counsel Fleet, GB #

Hiring Organisation
Jobleads-UK
Location
Fleet, England, United Kingdom
exciting stage of our growth journey following a recent acquisition and integration. Our culture is built around our PRIDE behaviours — Practice open listening, Relationships first, Information open, Deliver across teams, Embed and execute — and we are committed to building a One Quantios culture that is inclusive, high-performing … Technology Advise on intellectual property matters including trade marks, ownership, licensing, and protection of Quantios's software and proprietary assets. Review and advise on open source usage, third-party software licences, and technology agreements. Risk Management & Legal Operations Identify and proactively manage legal and regulatory risks across ...

Research Engineer

Hiring Organisation
ScienceMachine
Location
Greater London, England, United Kingdom
reporting, review, and compliance. The Research Engineer executes our research projects. The work spans agent systems, how we quantify their performance, and fine-tuning open models. Research direction comes from product feedback; you turn it into shipped results. You will work close to the science: formulating problems, designing experiments … tooling around them. - Develop the research agent stack: memory and in-context learning, test time compute, and models. - Fine-tune and post-train open models to improve agent performance. - Work with biologists, scientific contractors, and annotators to build reproducible training and evaluation data pipelines. - Track what frontier labs ...

Research Engineer

Hiring Organisation
Hlx Life Sciences
Location
London Area, United Kingdom
tooling around them Develop the research agent stack: memory, in-context learning, test-time compute, and models Fine-tune and post-train open models to improve agent performance Work with biologists, contractors, and annotators to build reproducible training and evaluation data pipelines Track what frontier labs are shipping … science domain, biology, chemistry, medicine, or bioinformatics Post-training experience on LLMs Peer-reviewed publications or other settings where your ideas were stress-tested Open source contributions to scientific or AI tooling ...

Senior Software Engineer, Trading Platform GUI

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
leveraged our expertise and technology to expand into three non-traditional strategies: real estate, venture capital and cryptoassets. We operate with respect, curiosity and open minds. The people who thrive here share our belief that it’s not just what we do that matters … existing software to provide performance or architectural improvements while preserving current functionality Experience with Docker Experience with writing integration tests Experience optimizing distributed systems Opensource contributions or side projects Experience or interest in finance Experience with Node.js Experience or interest with WebAssembly and/or Rust This ...

Site Reliability Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
change the way businesses make decisions with our cutting-edge AI technology. To achieve that, we’re looking for passionate people to join our open and inclusive workplace. Our inclusive environment welcomes skills and experiences from diverse backgrounds, and defines who we are. We're hiring … Elasticsearch bill by migrating compute to more efficient chips. (Apr 2026) Built the foundation for our MCP server platform : leveraging and contributing to open-source tooling to give the whole company extensible, production-grade AI integrations. (2025–2026) Rebuilt production from scratch in a full DR gameday . ...

Lead Data Engineer (eDV)

Hiring Organisation
Aker Systems Limited
Location
Cheltenham, Gloucestershire, South West, United Kingdom
Employment Type
Permanent
will assist in the development of a secure batch/real-time data platform for a government client leveraging the latest commercial and open-source technologies. This involves getting data from a variety of different sources, getting it into the right format, assuring alignment to target models … Terraform for IaC deployments Experience in Linux and Windows Aker Systems Attributes At Aker we work as a team; we are collaborative, hardworking, open, and delivery obsessed. There is no blame culture here: try things, and take responsibility for the outcomes. You are always part of the wider Aker. ...

Quantitative Developer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Posted Todayjob requisition id: R0117891LSEG (London Stock Exchange Group) is more than a diversified global financial markets infrastructure and data business. We are dedicated, open-access partners with a commitment to excellence in delivering the services our customers expect from us. With extensive experience, deep knowledge and worldwide presence … mathematical experience)Desirable* Knowledge of UNIX & AWS* Understanding of linear and mixed integer programming, and convex optimisation* Experience with at least one commercial or open-source optimisation library or a mathematical modelling language* Understanding of financial derivatives, margin and counterparty credit risk measures* A solid mathematical background (numerical ...

Senior Consultant | Cybersecurity - Incident Response | Forensic & Litigation Consulting

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
integral part of a focused team where you can make a real impact. You’ll be surrounded by an open, collaborative culture that embraces diversity, recognition, professional development and, most importantly, you. Are you ready to make your impact? About The Role We help clients solve complex cyber security … Succeed Analytical ability – The applicant should have experience identifying red flags, validating sources, and making judgment calls about the completeness and accuracy of opensource information. The applicant will be responsible for developing investigative plans and strategies for engagements and producing creative solutions to challenging research problems. Strategic ...

Data Engineer

Hiring Organisation
Norton Blake
Location
Greater London, England, United Kingdom
opportunity to join a small, highly experienced team where engineers have real ownership of the data platform and the opportunity to work with modern open-source technologies . What You’ll Be Doing Designing and building data pipelines orchestrated with Apache Airflow Developing ETL/ELT workflows ...