Open Source Jobs in the UK

76 to 100 of 264 Open Source Jobs in the UK

Senior Backend Engineer

United Kingdom
Fruition Group
driven mindset and experience working in fast-moving, tech-focused organisations (e.g. start-ups or scale-ups) Additional skills with Kafka, Cassandra, gRPC, and microservices design are highly advantageous Open-source contributions are a plus This is an excellent opportunity for a Senior Backend Engineer who thrives on tackling technical challenges and wants to make a tangible impact. More ❯
Employment Type: Contract
Posted:

Lead QA Automation Engineer

Telford, Shropshire, England, United Kingdom
F5
QA Automation Engineer working on innovative projects at the forefront of digital transformation. The Digital Transformation Centre specialises in modernising legacy systems into cloud-native solutions using Java and open-source technologies. They embrace agile and DevOps principles to deliver high-quality applications and platforms. The tech stack includes Java, microservices, infrastructure-as-code, NoSQL databases, containerisation, JEE More ❯
Employment Type: Full-Time
Salary: £70,000 - £94,000 per annum
Posted:

Cloud Engineer - London - Theodo UK

London, United Kingdom
Theodo
more! Please apply now for consideration! Additional Skills for Ideal Candidates: Experience with AWS Lambda, API Gateway, DynamoDB, Step Functions AWS Certification Involvement in the community (talks, blogs, podcasts, open-source projects) Experience with EventBridge, AppSync and X-Ray Experience migrating legacy to Serverless Sales experience The Perks: A well-defined progression path to becoming a leader within More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Delivery Manager

United Kingdom
ZealousWeb Technologies Pvt. Ltd
test management tools Understanding of system architecture, cloud infrastructure (AWS, Azure, GCP), and deployment models Ability to interpret technical documentation, wireframes, and solution architectures Exposure to full-stack technologies, open source technologies and frameworks Awareness of mobile and web app development cycles (iOS, Android, React Native, Flutter, etc.) Comfortable working with APIs, integrations, and third-party service layers More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Data & AI Scientist

Bristol, Gloucestershire, United Kingdom
Lloyds Bank plc
modelling structure. • Effective performance under pressure, delivering high-quality work within project timelines, and providing guidance to other team members. • Ability to learn quickly and recommend/adopt new open-source technologies emerging in the industry. • Extensive coding/scripting experience (Python) developed in a commercial/industry setting. • Strong theoretical and applied knowledge of Machine Learning techniques More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer

London, United Kingdom
Omnea
be it academics, sport, work 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 to tackle ambiguous problems and crank More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Talent Acquisition Manager TECH (Remote Europe)

London, United Kingdom
Hybrid / WFH Options
n8n.io
1K per year for courses, books, events, or coaching. Remote first - Remote across Europe with occasional off sites; some roles are hybrid. Giving back - $100 per month to support open source projects. Transparency - Open view of what everyone is working on and company health. An ambitious but kind culture - eNPS 94 in 2024. Country specific details are More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Principal Data Engineer

London, United Kingdom
Iwoca
physics, computer science, engineering, or a related field. Understanding of data science concepts and experience collaborating with data scientists to productionise machine learning models. Active participation in tech or open-source communities, with a passion for sharing knowledge and inspiring others. Strong communication skills, with the ability to translate complex business needs into effective technical solutions. The salary … We expect to pay from £100,000 - £160,000 for this role. But, we're open-minded, so definitely include your salary goals with your application. We routinely benchmark salaries against market rates, and run quarterly performance and salary reviews. The culture At iwoca, we prioritise a culture of learning, growth, and support, and invest in the professional development More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Go Developer

London, United Kingdom
Fruition Group
core parts of the platform. You'll take ownership across the full development lifecycle, from system design and implementation to optimisation and release. You'll be working in an open, fast-moving environment where ideas get tested quickly and good engineering practices are taken seriously. If you like seeing your work go live within days - not weeks - you'll … and familiarity with working in technology-driven organisations or start-ups Experience with Kafka, Cassandra, gRPC, and microservices architecture will also be beneficial, as well as experience contributing to open-source projects If you're a Senior Go Developer looking for a fast-paced, collaborative contract role where your work will ship quickly and matter to real users More ❯
Employment Type: Contract
Posted:

Senior Back End Developer

Peterborough, Cambridgeshire, England, United Kingdom
Hybrid / WFH Options
3Sixty Resourcing Ltd
automation tools, and e-commerce analytics. Familiarity with customer support platforms (Gorgias, Zendesk, Intercom). Knowledge of containerisation (Docker), CI/CD pipelines, and real-time features. Contributions to open-source Laravel or Shopify projects. Tech Stack Backend: Laravel, PHP, MySQL Frontend: Livewire, Alpine.js, Tailwind CSS Cloud: AWS (SQS, S3, Lambda, EC2) Integrations: Shopify API, Stripe, Recharge, Klaviyo More ❯
Employment Type: Full-Time
Salary: £50,000 - £75,000 per annum
Posted:

Lead Software Engineer

East London, London, United Kingdom
Hybrid / WFH Options
BroadbandUK
mindset: you thrive in startup environments and like solving real problems and learning fast. Proven impact: youve built and scaled products, led projects that made a difference, contributed to open-source, or delivered results that truly moved the needle. Why youll love it here Impact from day one: your work goes live quickly and matters immediately. Big challenges More ❯
Employment Type: Permanent
Posted:

Senior Data Scientist

London, United Kingdom
Chambers & Partners
functional setting-and is eager to deliver meaningful results in a short time frame. Main Duties and Responsibilities Spearhead and execute complex data science projects using a combination of open-source and cloud tools, driving innovation and delivering actionable insights. Develop and deploy advanced machine learning models using cloud-based platforms. Collaborate with product managers and designers to More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Embedded Software Engineer

Rochester, Kent, South East, United Kingdom
Hybrid / WFH Options
Technical Placements
Proven track record of delivering and maintaining real-time embedded systems in C/C++ Strong programming skills in C and C++. Solid understanding of embedded Linux development and open-source toolchains. Knowledge of common communication protocols, including TCP/IP, UDP, RS-485, SPI, and I2C Desirable: Experience developing embedded firmware on Linux-based systems. Familiarity with More ❯
Employment Type: Permanent, Work From Home
Posted:

Principal Engineer - CIAM XDP

Middlesex, United Kingdom
Barclays Bank PLC
of Product Operating Model Knowledge of Infrastructure as a Code tooling (Chef is essential, Ansible is a plus), containerization knowledge of authentication and biometric system design is highly desired. Open-source experience You may be assessed on the key critical skills relevant for success in role, such as risk and controls, change and transformation, business acumen strategic thinking More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Principal Engineer - CIAM XDP

london, south east england, united kingdom
Barclays Bank PLC
of Product Operating Model Knowledge of Infrastructure as a Code tooling (Chef is essential, Ansible is a plus), containerization knowledge of authentication and biometric system design is highly desired. Open-source experience You may be assessed on the key critical skills relevant for success in role, such as risk and controls, change and transformation, business acumen strategic thinking More ❯
Posted:

Principal Engineer - CIAM XDP

Aldgate, Greater London, UK
Barclays Bank Plc
of Product Operating Model Knowledge of Infrastructure as a Code tooling (Chef is essential, Ansible is a plus), containerization knowledge of authentication and biometric system design is highly desired. Open-source experience You may be assessed on the key critical skills relevant for success in role, such as risk and controls, change and transformation, business acumen strategic thinking More ❯
Posted:

UNPAID VOLUNTEER - Principal/Senior Technology Officer (Artificial Intelligence)

United Kingdom
Hybrid / WFH Options
Blockchain & Climate Institute
JSON, XML, CSV, etc, and detail oriented; Experience in developing and deploying applications and solutions using cloud platforms, such as AWS, Azure, Google Cloud, etc.; A portfolio of supported Open-Source GitHub projects (desirable); Experience in leading and managing technology teams and projects, including agile methodologies, budgeting, reporting, and documentation; and Passionate and knowledgeable about climate and sustainability … professional relationships with others. People who come together to make the world a better place forge a close connection. Selection Process As a voluntary organization, we are pleased to open the door for candidates who may not have the prior experience they need to start, progress, or switch their careers. To recruit the most suitable, talented, or potential new … complete the following assessment. Section A: Verbal and Numerical Reasoning (20 multiple-choice questions) Section B: Situation Judgement Test (20 multiple-choice questions) Section C: In-Tray Exercise (An open-ended assessment relevant to the duties of the role) Candidates who pass all three sections will be invited to attend a phone screening, first interview, and final interview online. More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Java Engineer

London, United Kingdom
Pacific Asset Management, LLC
by over 30 insurers to power their underwriting decisions. The product is sold across UK & Ireland, Asia-Pacific and North America. The platform combines our engine with technology to source and process third-party information supporting underwriting decisions for insurers. We are already working on capabilities, powered by AI, to make these decisions even more efficient. Protection Platform - a … monitoring to our systems. We've recently moved to Gitlab and are currently building out our next generation of automated deployment pipelines. We've incorporated some of the best open-source software into our systems and processes including Kubernetes, Terraform, Helm, Flux, Docker and Renovate. Integrated with some of the leading products in the industry including Auth0, Segment More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Cheminformatics Research Scientist

London, United Kingdom
Menlo Ventures
scikit-learn or PyTorch Proficiency in a low-level programming language such as C/C++ or Rust. Knowledge of advanced data analysis techniques such as multi-parameter optimization Open source contributions or publications in academic journals demonstrating experience in scientific method development and innovation Working Location & Compensation: This is an office-based, hybrid position at our office … available on request for candidates taking part in all aspects of the selection process. Recruitment & Staffing Agencies: Recursion Pharmaceuticals and its affiliate companies do not accept resumes from any source other than candidates. The submission of resumes by recruitment or staffing agencies to Recursion or its employees is strictly prohibited unless contacted directly by Recursion's internal Talent Acquisition More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Data Engineer

London, United Kingdom
Qualient Technology Solutions UK Limited
a Data Engineer with experience in AWS cloud technologies for ETL pipeline, data warehouse and data lake design/building and data movement. AWS data and analytics services (or open-source equivalent) such as EMR, Glue, RedShift, Kinesis, Lambda, DynamoDB . Essential requirements You thrive in problem-solving and analytical thinking You enjoy collaborating with multiple stakeholders in More ❯
Employment Type: Permanent
Posted:

Senior Software Engineer

City, London, United Kingdom
Retelligence
to gain buy-in and feedback on proposals and designs. Required Knowledge & Experience: Essential: Strong proficiency in C# at a commercial level. Solid experience with .NET Core and related open-source technologies. Knowledge of Object Orientation, SOA, and relevant design patterns. Experience with modern software development practices, including agile methodologies , version control, code reviews, and continuous integration. Understanding More ❯
Employment Type: Permanent
Salary: GBP 80,000 - 95,000 Annual
Posted:

Senior Software Engineer

EC2M, Bishopsgate, Greater London, United Kingdom
Retelligence
to gain buy-in and feedback on proposals and designs. Required Knowledge & Experience: Essential: Strong proficiency in C# at a commercial level. Solid experience with .NET Core and related open-source technologies. Knowledge of Object Orientation, SOA, and relevant design patterns. Experience with modern software development practices, including agile methodologies , version control, code reviews, and continuous integration. Understanding More ❯
Employment Type: Permanent
Salary: £80000 - £95000/annum + Bonus
Posted:

Backend Software Engineer

United Kingdom
Fruition Group
driven mindset and experience working in fast-moving, tech-focused organisations (e.g. start-ups or scale-ups) Additional skills with Kafka, Cassandra, gRPC, and microservices design are highly advantageous Open-source contributions are a plus This is an excellent opportunity for a Backend Software Engineer who thrives on tackling technical challenges and wants to make a tangible impact. More ❯
Employment Type: Contract
Posted:

Backend Engineer

United Kingdom
Fruition Group
with working in technology-driven organisations or start-ups Hands-on skills in Kafka, Cassandra, gRPC, and microservices architecture will also be beneficial, as well as experience contributing to open-source projects If you're a passionate Backend Engineer who enjoys working autonomously, taking ownership, and building for impact in a high-trust, high-collaboration setting - apply now More ❯
Employment Type: Contract
Posted:

Data Scientist- Gen AI

London, United Kingdom
Scrumconnect Limited
CI/CD. Data pipelines : design chunking/embedding strategies, pick vector stores, manage prompt/versioning, and monitor drift & quality. Model strategy : select and mix providers (hosted and open-source), fine-tune where it's sensible, and optimise for cost/perf/privacy. Stakeholder enablement : translate problems into measurable KPIs, run discovery, document clearly, and hand More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:
Open Source
10th Percentile
£47,000
25th Percentile
£52,500
Median
£72,500
75th Percentile
£89,500
90th Percentile
£121,250