276 to 300 of 530 Open Source Jobs in the UK excluding London

Senior Software Engineer

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 Utilising tools such as GitLab to build continuous integration pipelines, which help monitor and ensure software quality and security ...

Principal QA Engineer

Location
City of Edinburgh, Scotland, United Kingdom
least one of the following: Python, C, C++, C#, Java Experience in cross-platform test development for Windows and Linux Experience of testing Open Source Linux-based embedded products Experience of testing front end and back end web technologies: eg Selenium/Playwright Experience testing software/embedded ...

Senior Software Engineer

Hiring Organisation
CACI Limited
Location
Croydon, Surrey, South East, United Kingdom
Employment Type
Permanent, Work From Home
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 Utilising tools such as GitLab to build continuous integration pipelines, which help monitor and ensure software quality and security ...

Principle Software Engineer

Location
Belfast City District, Northern Ireland, United Kingdom
pioneer in application security, provides SAST, SCA, and DAST solutions that enable teams to quickly find and fix vulnerabilities and defects in proprietary code, open source components, and application behavior. With a combination of industry-leading tools, services, and expertise, only Black Duck helps organizations maximize security ...

Lead Software Developer (SC Cleared)

Hiring Organisation
scrumconnect ltd
Location
Swansea, West Glamorgan, United Kingdom
Employment Type
Permanent
Salary
GBP 70,000 Annual
evidence that you can ramp up quickly. Desirable Experience Domain knowledge of UK tax administration. Experience in regulated public-sector or financial-services environments. Open-source contributions to government engineering ecosystems. Active community-of-practice contribution, such as talks, blog posts, or internal teaching. Location and Working Pattern ...

C# Developer

Location
Greater Manchester, England, United Kingdom
bonus points if you have: Exposure to ElasticSearch, Event Store, Neo4j, InfluxDB, Seq, Power BI. Experience with micro‐ORMs such as PetaPoco. Contributions to open‐source projects or personal coding projects. Cloud infrastructure experience, especially Azure. Strong grasp of clean code principles, OOP design, and software patterns. What ...

Research Specialist - AI Systems

Location
Ipswich, England, United Kingdom
infrastructure Familiarity with networking concepts relevant to distributed AI systems Knowledge of agentic AI systems and multi‐agent architectures Publications, conference presentations or open‐source contributions Our Package Your core benefits include: 10% on target annual bonus Access to an online private GP 24/ ...

Lead Data Engineer

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
whole components or subsystems within a team. Development incorporates design, code, test and defect resolution. Focusing on hands-on design and development, using open source and commercial platforms. Defining and enforcing development best practice and coaching team members to ensure consistency. Working with project architects, taking responsibility ...

Senior Software Engineer, Machine Learning

Hiring Organisation
Roku
Location
Cambridge, Cambridgeshire, UK
Employment Type
Full-time
paper(s) on deep learning models for Advertising or related areas. Excellent communication and collaboration skills. Experience in the Advertising domain (preferred)Contributions to open-source ML projects (preferred)What's Roku's approach to hybrid working? Roku fosters an inclusive and collaborative environment where teams generally work ...

Senior Software Engineer - Connex

Hiring Organisation
MasterCard
Location
Harrogate, North Yorkshire, United Kingdom
Salary
£ 70 K
background as a developer across various platforms.• Proven technical testing experience within Agile environments, particularly with BDD methodologies.• Hands-on automation testing expertise using open-source technologies such as Selenium, Cucumber, Gherkin, Spring, etc.• Be comfortable with regular demonstrations to stakeholders and comfortable with pair programming.• Exceptional communication ...

Site Reliability Engineer - Manchester

Hiring Organisation
Hackajob Ltd
Location
Gloucester, Gloucestershire, UK
different levels of the stack Understanding of ITIL terminology Experience with container management and micro-services architectures such as Docker Experience extending and improving Open Source Software Familiarisation with automation test frameworks such as Selenium Awareness and insight into technology trends to adopt new cutting edge tools ...

Applied AI Engineer

Location
Norwich, England, United Kingdom
willingness to work within regulated governance standards. Education & Experience: A degree in Computer Science, STEM or equivalent practical experience, supported by relevant portfolio projects, open-source work or internship experience. (AWS Cloud Practitioner certifications are a bonus). Why Aviva: This is an opportunity to help build ...

Software Engineer - Edinburgh

Hiring Organisation
Perk
Location
Edinburgh, Midlothian, United Kingdom
Salary
£ 70 K
suiteExperience working with high-performing, Agile development teamsPeople who like to build stuff (we really like people who maintain/contribute to open source projects)What do we offer ð A competitive compensation package, including equity options in Perk;ð 25 days annual leave plus bank holidays ...

Lead Data Engineer

Hiring Organisation
Yorkshire Water
Location
Leeds, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent, Work From Home
migration, integration, and ETL processes using FME or similar tools. Proficiency in Python, GIS automation, and geospatial development using ArcGIS and QGIS. Knowledge of open-source geospatial technologies such as QGIS and PostGIS. Proven leadership experience, with the ability to mentor technical teams and manage offshore or third ...

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 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 ...

Postdoctoral Researcher in Large Language Model Development

Location
Oxford, England, United Kingdom
curating, cleaning and documenting a multilingual humanities training corpus drawn from Oxford's GLAM collections; performing continual pre-training and fine-tuning of an open-weight foundation model on the University's own computing infrastructure; and, working with subject specialists and curators, designing and validating the first dedicated benchmark … evaluating language models on humanities research tasks. You will also be expected to publish the model weights, code, corpus documentation and benchmarks as fully open-source resources; to contribute to the technical roadmap for a major follow-on funding bid; to collaborate on research publications and present ...

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 ...

Remote Back End PHP Developer

Hiring Organisation
grabjobs
Location
Bristol, UK
work each day. BaseKit isn’t just a place to work, it’s a place to be part of something bigger. Career development, an open culture and the opportunity to learn new skills are part of our DNA. And if something’s not right? We fix it. We move … important to us too, we host meetups in our office when requested by local tech groups and we encourage the team to contribute to open source projects. If you’ve written some public code recently you’re willing to share, then we’d love to see it. ...

Senior Software Engineer, Python (IPLM)

Location
Bracknell, England, United Kingdom
practice: writing and maintaining unit and integration test frameworks. Comfort working in a Perforce/Helix Core environment (or willingness to learn); familiarity with source-control internals in general. Clear written communication - you can capture design decisions and patch rationale in tickets and technical documents that outlast the conversation. … automation for CI, QA, or code-generation workflows. Background in Rust or another systems language; interest in ML/applied deep learning. Contributions to open-source Python or CLI tooling. Benefits Additionally, this position is eligible for benefits including, but not limited to, medical, dental, vision, retirement benefits ...

Director Data & Analytics API Experience - Data Services

Location
Belfast, Northern Ireland, 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 … 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 ...

AI/ML Researcher

Hiring Organisation
Hackajob Ltd
Location
Galleywood, Essex, UK
knowledge graphs, or graph machine learning Of particular interest are candidates with the following experience (evidenced by a track record of publications, industry experience, open-source available code or equivalent academic work): Natural Language Processing, including Information extraction, text-mining and entity linking. Experience with modern (e.g. transformer … experiences strengthens our teams and is vital to the work we do. We welcome applications from all candidates and give full, fair and open consideration to everyone. If you require any reasonable adjustments during the recruitment process, please contact our recruitment team to discuss any further support ...

Senior Principal DSX Data Scientist

Location
Northampton, England, United Kingdom
Roche you can show up as yourself, embraced for the unique qualities you bring. Our culture encourages personal expression, open dialogue, and genuine connections, where you are valued, accepted and respected for who you are, allowing you to thrive both personally and professionally. This … ability to drive tool adoption and cultural change through technical leadership, stakeholder engagement, and thoughtful design Engagement with external scientific or developer communities (e.g., open-source contributions, industry consortia, conference presentations) Experience guiding investment and resource decisions for high-impact tooling or analytics initiatives Ability to synthesize organizational ...