101 to 125 of 275 Open Source Jobs in England

Quantitative Trading & Research - Global Clearing - Vice President

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
kdb+/q, SQL), and performance engineering for large‐scale simulations. Contributions to research (internal notes, publications, patents, conference talks) and engagement with the opensource scientific computing ecosystem. Benefits Competitive total rewards package including base salary, commission‐based pay, and discretionary incentive compensation. Benefits include comprehensive health ...

Principal Integration Architect

Hiring Organisation
Jobleads-UK
Location
Park Central, England, United Kingdom
consideringWe specialise in agile software development and integration at an enterprise scale. Our capabilities cover a wide variety of Integration, Open Source, Microsoft and proprietary technologies. We are seeking an experienced Principal Integration Architect to deliver some of the largest, complex and most innovative enterprise Digital projects.Your roleOwn ...

Senior Software Engineer, Subscriptions

Hiring Organisation
Jobleads-UK
Location
Manchester, England, United Kingdom
have Extensive experience with C or C++ and Embedded Linux or Native Application Development In‐depth understanding of Linux, tools, libraries, and open source development Experience developing UI applications using popular frameworks such as ReactJS Experience with Python, JavaScript, BrightScript, or similar languages Proven track record of designing ...

Senior Software Engineer

Hiring Organisation
Jobleads-UK
Location
New York, England, United Kingdom
Kubernetes clusters. You’ll be using Terraform to spin infrastructure up and down. Finally, if you’re interested, you may be contributing to open source. What you'll do Design and build full-stack web applications in Python Create performant Web APIs with FastAPI Integrate with industry-standard datastores ...

Principal Engineer, AI & Data Platform

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
enterprise knowledge layer—the governed semantic models, ontologies, and knowledge graph structures that ground both human analytics and AI agents in a single source of truth. Define how business meaning flows from glossaries through data models to agent context. Conversational Analytics. Lead the strategy and delivery of natural‐language … building or operating streaming data infrastructure alongside batch processing Background in compliance‐sensitive environments (SOX, regulatory reporting, audit systems) Published work, conference talks, or opensource contributions in knowledge engineering, semantic AI, or conversational analytics Bullish is proud to be an equal opportunity employer. We are fast evolving ...

Principal Engineer, AI & Data Platform

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
enterprise knowledge layer—the governed semantic models, ontologies, and knowledge graph structures that ground both human analytics and AI agents in a single source of truth. Define how business meaning flows from glossaries through data models to agent context.Conversational Analytics. Lead the strategy and delivery of natural-language interfaces … scaleExperience building or operating streaming data infrastructure alongside batch processingBackground in compliance-sensitive environments (SOX, regulatory reporting, audit systems)Published work, conference talks, or open-source contributions in knowledge engineering, semantic AI, or conversational analyticsBullish is proud to be an equal opportunity employer. We are fast evolving ...

AWS Technical Architect

Hiring Organisation
Opus Recruitment Solutions
Location
South Bank, Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
GBP 600 Daily
solid understanding of public sector governance and assurance processes. Strong technical architecture background - experience designing secure, scalable systems using modern technologies (cloud, open source, and languages like Java, Python, JavaScript or Ruby). Leadership & communication skills - able to guide teams, influence stakeholders, and clearly communicate with both technical ...

AWS Technical Architect

Hiring Organisation
Opus Recruitment Solutions
Location
Remote work, South Bank, Greater London, United Kingdom
Employment Type
Contract
Contract Rate
£0 - £600/day
solid understanding of public sector governance and assurance processes. Strong technical architecture background - experience designing secure, scalable systems using modern technologies (cloud, open source, and languages like Java, Python, JavaScript or Ruby). Leadership & communication skills - able to guide teams, influence stakeholders, and clearly communicate with both technical ...

DevOps Engineer

Hiring Organisation
Hexegic
Location
Dorset, England, United Kingdom
Azure) Strong proficiency in networking, IAC and configuration management Experience with containerisation and deployment of applications Proficient with Linux and Windows CLI Experience deploying open-source tools and applications Knowledge and experience with cyber security design and implementation What’s in it for you? Base salary ...

Machine Learning Engineer / Drug Discovery / £100k + Equity

Hiring Organisation
Few&Far
Location
London Area, United Kingdom
Azure) High ownership mindset with the ability to operate in ambiguity ⭐️Nice to have⭐️ Background in computational chemistry, physics, or related fields Contributions to open-source ML or scientific tooling Experience deploying ML systems at scale If this sounds interesting, even if you do not meet ...

Lead Software Engineer

Hiring Organisation
Sanderson Government and Defence
Location
Cheltenham, Gloucestershire, South West, United Kingdom
Employment Type
Permanent
secure backend platforms used by National Security and Defence customers. You'll work on modern cloud-based systems using a mix of commercial and open-source technologies across private and public cloud environments. What you'll be doing Designing, building, deploying and improving backend services and platforms Delivering ...

IT Integration Developer

Hiring Organisation
Profectus Recruitment
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £80,000 per annum, Inc benefits
programmes • Experience working alongside AI, Automation or Power Platform teams • Background in software development with the ability to work with internal codebases • PHP or open source framework experience would be beneficial • Microsoft Azure certifications would be advantageous Why Apply? This is an opportunity to join a forward thinking ...

Graduate AI Software Engineer

Hiring Organisation
X-on Health
Location
Woodbridge, England, United Kingdom
models) and prototyping how they can be applied to our products Operations: Optionally contribute to our AI infrastructure to help operate self-hosted open-source models Testing & Validation: Development of tooling to assist our Test Team in conducting evals against our many provider models to ensure ...

Senior Software Engineer

Hiring Organisation
Jobleads-UK
Location
Cheltenham, England, United Kingdom
focussed team, gaining exposure to: Implementing software solutions including design, development and testing Using a wide range of technologies, specialising in the use of open-source libraries and components U tilising tools such as GitLab to build continuous integration pipelines, which help monitor and ensure software quality ...

Partner Alliance Lead - EMEA

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
deep working relationships within the AI/ML partner organizations at AWS, GCP, or Microsoft Azure in major EMEA hubs. Prior experience at an open-source, developer tools, or infrastructure software company with a hybrid PLG and enterprise sales motion. Familiarity with the modern LLM orchestration stack ...

Automation & Integration Engineer

Hiring Organisation
Jobleads-UK
Location
New York, England, United Kingdom
Foundry), integrating LLM and service APIs into reliable, secure, and observable workflows. This includes building a pragmatic workflow layer and extending orchestration via opensource and complementary tooling where appropriate. Success in this position requires strong software engineering fundamentals, an operational mindset, and the ability to work autonomously ...

Senior Software Engineer I

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
experienced in deployment, releasing cycles or CI/CD Experience with Terraform or other IaC tooling (e.g. CDK, CloudFormation, etc.) Have experience in open source contributions, including reporting bugs/issues in GitHub, testing new releases, or contributing to code Our Tech Stack Find below a small reflection ...

Senior Software Engineer (Atlas)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
architecture to help us build even more robust systems. Mentorship: A track record of actively upskilling others through mentoring, pairing, and impactful code reviews. Open Source: Contributions to the wider engineering community or a passion for exploring emerging industry trends What We Are Not Looking For Passive Workers ...

Senior Software Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
etc. You’ve gone above and beyond the norm. You love engineering , it’s more than a job for you. You’ve contributed to open-source projects or worked on side-projects in your spare time just because you enjoy it. You’re confident in your ability ...

Senior+ Software Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
London Bridge office in the Leathermarket for hands‐on teamwork and community. Research Fridays: Every other Friday is dedicated to learning, experimentation, and open exploration — time to make Syntasso stronger tomorrow than it is today. Professional growth: Whether you’re speaking at conferences, contributing to open source ...

Lead Data Platform Engineer (eDV)

Hiring Organisation
Aker Systems Limited
Location
Cheltenham, Gloucestershire, South West, United Kingdom
Employment Type
Permanent
Lead Data Platform Engineer, you will help lead the development of backend services for a government client leveraging the latest commercial and open-source technologies. This involves designing, developing, documenting and deploying backend services with a focus on high availability, low latency and scalability. Duties & Responsibilities Design, develop … clean code, documentation, defensive programming, automated testing and code reviews Working in Agile development and/or DevOps teams Using GitHub/GitLab for source control Test Driven Development with appropriate tools and frameworks Experience in Big Data technologies Experience in Public Cloud services, such as AWS Aker Systems ...

Senior Software ML Engineer

Hiring Organisation
Jobleads-UK
Location
Cambridge, England, United Kingdom
fulfil common targets. Required Skills and Experience : Development experience on cross-team projects with milestones and dependencies Strong programming skills (C, C++, Python). Source control skills (Git, Gerrit, Repo) Worked and developed using methods like agile SW development, continuous integration and Test driven development. “Nice To Have” Skills … Experience : Experience with Machine Learning applications and frameworks Experience in compiler development Open Source software development Awareness of hardware architecture principles In Return: All Arm employees are provided with vital training to succeed in their respective roles. As well as a friendly and high-performance working environment. ...

Software Developer

Hiring Organisation
Transunion
Location
Alderley Edge, Cheshire, United Kingdom
Employment Type
Permanent
Platforms AWS or GCP Infrastructure-as-code, CI/CD, and observability tooling Experience scaling systems under sustained load Contributions to internal tooling or open source Experience with large datasets and machine learning models Impact You'll Make: What's In It For you? At TransUnion you will … list of essential/desirable skills that you can't quite tick off, don't let that put you off applying. We are open to exploring training and development opportunities for the right candidate to ensure you are successful. We know imposter syndrome is real, lets confront ...

Software Engineer (RISC-V/Compiler)

Hiring Organisation
microTECH Global LTD
Location
Cambridge, England, United Kingdom
computer architecture; some experience with assembly languages (x86, RISC-V); familiarity with hardware design is a plus. - Good knowledge of Linux. - Experience contributing to open source projects. - Higher degree levels and academic research experience are highly valued. ...

Data Architect

Hiring Organisation
Anson Mccade
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£90,000
Scala, or Python where required Experience working with big data technologies and distributed systems Strong knowledge of cloud platforms (Azure preferred) Experience across both open-source and enterprise data platforms Strong understanding of data modelling and architectural methodologies Experience with microservices architecture and REST-based systems Ability ...