Open Source Jobs in the UK

176 to 200 of 761 Open Source Jobs in the UK

Frontend Web Engineer: Design System

Bristol, Gloucestershire, United Kingdom
Hybrid / WFH Options
Just Eat Takeaway.com
with React/Next.js and Vue/Nuxt, any experience of these frameworks is a plus. You can find our design system documentation in . Our Web library is open source and can be found at . Additionally, our technical documentation can be found at . What will you bring to the team? A background as a frontend … testing. You have a keen eye for detail, with knowledge of web accessibility (a11y) and performance best practices. Some very nice to haves are: Experience with contribution models for open-source projects or internal libraries. Prior experience in building and maintaining Web Components and Lit. Experience creating accessible products and testing for accessibility. Experience working with frameworks such More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Technical Sourcer (FTC & Perm)

London, United Kingdom
Hybrid / WFH Options
Intercom
hiring managers to deeply understand team needs, technical requirements, and ideal candidate profiles. Proactively identify and engage passive candidates through innovative sourcing methods-including GitHub, GoogleScholar, Stack Overflow, arXiv, open-source communities, tech events, and bespoke search strategies. Experiment with and implement new sourcing tools, outreach methods, and engagement tactics to increase pipeline quality and diversity. Act as … talent globally. A strategic mindset with a proactive approach to talent discovery-you don't wait for reqs to get started. Expertise in sourcing beyond LinkedIn (e.g. GitHub, Kaggle, open-source projects, technical blogs, conferences, custom Boolean strings). Strong communication and storytelling skills-you know how to craft compelling outreach messages that resonate with technical candidates. Ability … a great culture while still providing flexibility to work from home. We expect employees to be in the office at least three days per week. We have a radically open and accepting culture at Intercom. We avoid spending time on divisive subjects to foster a safe and cohesive work environment for everyone. As an organization, our policy is to More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Enterprise Account Executive

London, United Kingdom
Hybrid / WFH Options
Flowable Group
Enterprise Account ExecutiveLondon, United Kingdom Flowable is a leading provider of open-source Intelligent Business Automation that combines the power of Process, Case and Decision management into an enterprise-ready unified platform. Effortless integration, fast-time-to-market, and unmatched flexibility, make Flowable the top choice for companies worldwide to drive operation excellence and lead transformation. As an … related industries Experience with Sales Methodologies like MEDDPICC and PANT Well-connected with a large network across the enterprise market, ideally in the financial services space Previous experience with open-source products, subscription-model software, or BPM sales is a significant plus What you can expect: You will enjoy flexible working-hours, training, and remote working; however, we More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Member of Technical Staff, Field Eng

London, United Kingdom
Anyscale
Anyscale At Anyscale , we're on a mission to democratize distributed computing and make it accessible to software developers of all skill levels. We're commercializing Ray , a popular open-source project that's creating an ecosystem of libraries for scalable machine learning. Companies like OpenAI , Uber , Spotify , Instacart , Cruise , and many more, have Ray in their tech … skills. You should have working knowledge of Python fundamentals, as well as the ability to learn Ray and build Ray applications with various libraries Experience in enterprise SaaS, infrastructure, open source, and/or ML/AI technologies Experience in public cloud and enterprise infrastructure Customer success orientation. You are able to demonstrate technical concepts to technical and More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer, Python Development - London (London)

London, UK
Hybrid / WFH Options
Fitch Group, Inc., Fitch Ratings, Inc., Fitch Solutions Group
or Pyramid. Knowledge of DevOps practices and tools (e.g., Docker, Kubernetes/EKS-based container orchestration). Knowledge of data science and machine learning concepts and tools. Contributions to open-source Python projects or active involvement in the Python community. Experience with Artificial Intelligence (AI) technologies and frameworks. Why Choose Fitch: Hybrid Work Environment: 2 to 3 days More ❯
Employment Type: Full-time
Posted:

Cloud Software Engineer

United Kingdom
Hybrid / WFH Options
Upsun
over their data by keeping applications secure and available around the clock. Platformers are a remote, global workforce, and we thrive in a multicultural team. We are committed to open source and an open, welcoming environment. Our team spans the globe and the experience spectrum. What's our commonality, our cultural fabric? A curious spirit and a … Workplace - We've been recognized by Forbes' Top 30 Companies for Remote Jobs and France's Best Workplaces for Women. ️ A culture that values your voice - Join a flexible, open, and inclusive work environment where your voice is encouraged, and your ideas shape our growth and evolution. A global team - Collaborate with colleagues from diverse backgrounds across the world More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Tech Lead/Technical Manager

South East London, London, United Kingdom
Liv-Ex
or a similar field. Desirable: Experience migrating monolithic architectures to modular or micro frontend systems Exposure to server-side rendering (SSR) or JAMstack frameworks (e.g., Next.js, Vite) Contributions to open-source projects, internal tooling, or frontend design systems Strong UX sensibility or history of close collaboration with UI/UX design teams Experience working within regulated, high-availability More ❯
Employment Type: Permanent
Posted:

Senior Tech Lead/Technical Manager (London)

London, UK
Liv-ex
engineering, or a similar field. Experience migrating monolithic architectures to modular or micro frontend systems Exposure to server-side rendering (SSR) or JAMstack frameworks (e.g., Next.js, Vite) Contributions to open-source projects, internal tooling, or frontend design systems Strong UX sensibility or history of close collaboration with UI/UX design teams Experience working within regulated, high-availability More ❯
Employment Type: Full-time
Posted:

Senior Java Developer (Assistant Vice President)

Belfast, United Kingdom
Citigroup Inc
testing tools such as JMeter or Gatling. Experience with security testing tools and techniques. Experience with cloud-based testing environments. Certification in software testing (e.g., ISTQB). Contributions to open-source projects. Key Performance Indicators (KPIs) Test coverage (code coverage, branch coverage). Number of automated test cases. Test execution time. Defect detection rate. Time to resolution for More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Java Full Stack Software Engineer

United Kingdom
Redwood
or Google Knowledge of CI/CD pipelines and tools (e.g., Jenkins, GitLab CI). Familiarity with test-driven development (TDD) or behavior-driven development (BDD). Contributions to open-source projects or a strong GitHub portfolio. Bonus Skills: Gradle Shell scripting Tomcat Experience with AI If you like growth and working with happy, enthusiastic over-achievers, you More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Java Full Stack Software Engineer

London, United Kingdom
LE018 Redwood Software UK Ltd
or Google Knowledge of CI/CD pipelines and tools (e.g., Jenkins, GitLab CI). Familiarity with test-driven development (TDD) or behavior-driven development (BDD). Contributions to open-source projects or a strong GitHub portfolio. Bonus Skills: Gradle Shell scripting Tomcat Experience with AI If you like growth and working with happy, enthusiastic over-achievers, you More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior GenAI Infrastructure Engineer

United Kingdom
Hybrid / WFH Options
BBC Group and Public Services
as AWS Certified DevOps Engineer, AWS ML Engineer, AWS Certified Solutions Architect, Strong communication skills, with experience working in Agile teams (Scrum, Kanban) and cross-functional collaboration. Contributions to open-source GenAI, MLOps, or LLMOps projects or communities is a strong plus. Disclaimer This job description is a written statement of the essential characteristics of the job, with More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Software Architect

Cowes, Isle of Wight, United Kingdom
BAE Systems
requirements. Using modern operating systems, tools, and design patterns, you will create robust, resilient, scalable and secure middleware and application layers for hardware. You'll leverage both licensed and open-source tools, ensuring compliance with OSS guidance, and work with the wider team to ensure a smooth implementation, integration and test process. Our workplace in Cowes is an More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Software Architect

United Kingdom
BAE Systems
requirements. Using modern operating systems, tools, and design patterns, you will create robust, resilient, scalable and secure middleware and application layers for hardware. You'll leverage both licensed and open-source tools, ensuring compliance with OSS guidance, and work with the wider team to ensure a smooth implementation, integration and test process. Our workplace in Cowes is an More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Software Architect

Portsmouth, Hampshire, United Kingdom
BAE Systems
requirements. Using modern operating systems, tools, and design patterns, you will create robust, resilient, scalable and secure middleware and application layers for hardware. You'll leverage both licensed and open-source tools, ensuring compliance with OSS guidance, and work with the wider team to ensure a smooth implementation, integration and test process. Our workplace in Cowes is an More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Software Architect

East Cowes, Isle of Wight, United Kingdom
BAE Systems
requirements. Using modern operating systems, tools, and design patterns, you will create robust, resilient, scalable and secure middleware and application layers for hardware. You'll leverage both licensed and open-source tools, ensuring compliance with OSS guidance, and work with the wider team to ensure a smooth implementation, integration and test process. Our workplace in Cowes is an More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Software Architect

City, Bristol, United Kingdom
BAE Systems
requirements. Using modern operating systems, tools, and design patterns, you will create robust, resilient, scalable and secure middleware and application layers for hardware. You'll leverage both licensed and open-source tools, ensuring compliance with OSS guidance, and work with the wider team to ensure a smooth implementation, integration and test process. Our workplace in Cowes is an More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Software Architect

Rochester, Kent, United Kingdom
BAE Systems
requirements. Using modern operating systems, tools, and design patterns, you will create robust, resilient, scalable and secure middleware and application layers for hardware. You'll leverage both licensed and open-source tools, ensuring compliance with OSS guidance, and work with the wider team to ensure a smooth implementation, integration and test process. Our workplace in Cowes is an More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Software Architect

Rhosneigr, Gwynedd, United Kingdom
BAE Systems
requirements. Using modern operating systems, tools, and design patterns, you will create robust, resilient, scalable and secure middleware and application layers for hardware. You'll leverage both licensed and open-source tools, ensuring compliance with OSS guidance, and work with the wider team to ensure a smooth implementation, integration and test process. Our workplace in Cowes is an More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Software Architect

Lincoln, Lincolnshire, United Kingdom
BAE Systems
requirements. Using modern operating systems, tools, and design patterns, you will create robust, resilient, scalable and secure middleware and application layers for hardware. You'll leverage both licensed and open-source tools, ensuring compliance with OSS guidance, and work with the wider team to ensure a smooth implementation, integration and test process. Our workplace in Cowes is an More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Software Architect

Yeovil, Somerset, United Kingdom
BAE Systems
requirements. Using modern operating systems, tools, and design patterns, you will create robust, resilient, scalable and secure middleware and application layers for hardware. You'll leverage both licensed and open-source tools, ensuring compliance with OSS guidance, and work with the wider team to ensure a smooth implementation, integration and test process. Our workplace in Cowes is an More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Software Architect

Kilmarnock, Ayrshire, United Kingdom
BAE Systems
requirements. Using modern operating systems, tools, and design patterns, you will create robust, resilient, scalable and secure middleware and application layers for hardware. You'll leverage both licensed and open-source tools, ensuring compliance with OSS guidance, and work with the wider team to ensure a smooth implementation, integration and test process. Our workplace in Cowes is an More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Software Architect

Bedale, Yorkshire, United Kingdom
BAE Systems
requirements. Using modern operating systems, tools, and design patterns, you will create robust, resilient, scalable and secure middleware and application layers for hardware. You'll leverage both licensed and open-source tools, ensuring compliance with OSS guidance, and work with the wider team to ensure a smooth implementation, integration and test process. Our workplace in Cowes is an More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Software Architect

Penwortham, Lancashire, United Kingdom
BAE Systems
requirements. Using modern operating systems, tools, and design patterns, you will create robust, resilient, scalable and secure middleware and application layers for hardware. You'll leverage both licensed and open-source tools, ensuring compliance with OSS guidance, and work with the wider team to ensure a smooth implementation, integration and test process. Our workplace in Cowes is an More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Software Architect

Inverkeithing, Fife, United Kingdom
BAE Systems
requirements. Using modern operating systems, tools, and design patterns, you will create robust, resilient, scalable and secure middleware and application layers for hardware. You'll leverage both licensed and open-source tools, ensuring compliance with OSS guidance, and work with the wider team to ensure a smooth implementation, integration and test process. Our workplace in Cowes is an More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:
Open Source
10th Percentile
£51,250
25th Percentile
£65,000
Median
£73,000
75th Percentile
£85,700
90th Percentile
£115,000