1 to 25 of 127 Open Source Jobs in the UK excluding London

Senior Developer Relations Engineer

Hiring Organisation
Cloudsmith
Location
Belfast, UK
seeking a technical, community-first Developer Relations Engineer to become the face of Cloudsmith in the open source world, with impact lasting from today until IPO and beyond.About CloudsmithCloudsmith is the world’s most powerful artifact management platform. Software organizations of all sizes rely on Cloudsmith to control … secure their software supply chains. Cloudsmith allows customers to manage curated private repositories that proxy public open-source software registries. Developers use these repositories as their trusted source for build artifacts. We support over 30 formats, including most popular languages, package managers, operating systems ...

Embedded Linux Engineer - Remote

Hiring Organisation
Microtech Global Ltd
Location
Cambridgeshire, East Anglia, United Kingdom
Employment Type
Permanent, Work From Home
currently looking for a passionate and enthusiastic Embedded Linux Software Developer with Open-Source exposure to join our team. Your main mission will about providing consulting services to our customers in the areas of Embedded Linux (Bootloaders, Linux kernel, Linux Distros) through software development, integration, debug and testing … different types of products and customers. Location: Fully remote Travel: Optional conference attendance What Youll Actually Do Upstream & Community Participation : Contribute publicly to open source projects to ensure continuing technical leadership Real-World Impact : Analyse client problems and design solutions leveraging open source technologies and technical ...

OS Software Developer

Hiring Organisation
Guidant Global
Location
Gloucester, Gloucestershire, South West, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £600 per day
Software Developer - Open Source Specialist Location: Gloucestershire Contract Type: Contract About the Role Guidant Global is partnering with our client to recruit an experienced Software Engineer with strong open-source expertise . You'll join a small, highly skilled technical team delivering bespoke, open-source … code quality, and delivery standards Required Qualifications Bachelor's degree in Computer Science, Software Engineering, or equivalent experience Proven experience contributing to or managing open-source projects Experience & Technical Skills Essential Strong proficiency in Go, Python, or JavaScript Experience with Linux-based operating systems (RHEL, Rocky, Debian, Ubuntu ...

Staff Software Engineer — Runtimes Performance

Hiring Organisation
Appcast
Location
Cambridge, Cambridgeshire, UK
Overview:We are looking for an experienced performance engineer who is passionate about developing compilers and managed runtimes and loves open-source software. In this role you will be working on improving the performance of managed language workloads on Arm architecture by improving the language runtime/compiler … languages support on the Arm architecture, from JavaScript to Rust. You will work closely with the team and colleagues across the organisation and with open source communities to tackle challenges in enabling the future of computing!Responsibilities:Identify and implement changes to compilers and managed runtimes to improve ...

Enterprise Account Manager - UK Service Providers

Hiring Organisation
Appcast
Location
Reading, Berkshire, UK
CompanyOur client is one of the fastest-growing software companies in Europe and is the publisher of a popular Open-Source operating system. Their aim is to help the enterprises welcome open source from end to end, across every category of compute and application, starting with … world's top Telecoms Service Provider's like BT and AT&T and their use cases span 5G Core, 5G Edge and Open RAN. The OpportunityIn this hunter sales role. The qualified candidate will have the responsibility to attain the given annual quota. You are expected to successfully prospect ...

Software Engineer

Hiring Organisation
SuiteCRM Ltd
Location
Stirling, Stirlingshire, Scotland, United Kingdom
Employment Type
Permanent
Salary
£35,000
want to further your career while contributing to the open source community? Our vision is to create the worlds most adopted open source CRM with our flagship application, SuiteCRM . W e re well on our way to achieving that goal and are looking … code, following our defined design and architecture standards. Collaborate with our Product, Consultancy and Quality Assurance teams. Our ideal candidate will have... Knowledge of open source communities and its principles Experience in Object Orientated Programming, preferably in PHP Development skills in Symfony, JavaScript, Angular, TypeScript, Smarty Experience working ...

Digital Verification Engineer

Hiring Organisation
Microtech Global Ltd
Location
Cambridge, Cambridgeshire, East Anglia, United Kingdom
Employment Type
Permanent, Work From Home
have an exciting opportunity for Digital Verification Engineer (15 Year's Experience) to join an innovative team developing high-quality open-source silicon used in production devices. Job Title: Digital Verification Engineer (1-5 Years Experience) Location: Cambridge, UK (Hybrid) Salary: Competitive Position: Permanent About the Role Working … testing. Contribute to verification infrastructure and automation. Collaborate closely with design engineers to ensure high-quality silicon. Participate in code reviews and contribute to open-source projects. Requirements Essential 15 years' industry experience in Digital Design Verification. Experience with SystemVerilog and UVM. Understanding of verification methodologies and constrained ...

Senior Software Engineer

Hiring Organisation
Oscar Technology
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £90,000 per annum
Already live with banks and financial institutions, and hiring to build the product further. You'll work across our data integration platform and our open-source schema language and ecosystem. What You'll Work On Mostly Kotlin backend, but everyone touches the full stack: the integration platform (streaming … pipelines, query execution, API composition, schema resolution, running in production at real financial institutions); our open-source schema language (compiler, type system, query engine, no prior compiler experience needed); our AI agent built on Spring AI (greenfield work orchestrating integrations autonomously); and the frontend (mainly Angular, some React ...

Senior Software Engineer

Hiring Organisation
Appcast
Location
Abingdon, Oxfordshire, UK
scientific computing, real-time systems, large-scale data) Experience integrating machine learning, generative AI, or LLM-based components into production systems Experience contributing to open-source projects, or integrating open-source components at scale.Energy industry experience is not required but is a strong plus. We welcome ...

Senior Lead Software Engineer - LLM Ops Platform Reliability

Hiring Organisation
Appcast
Location
Glasgow, UK
production environmentsOperate and scale large language model serving infrastructure, including model hosting, request routing, continuous batching, and cache optimizationDeploy, host, and lifecycle-manage open-source and proprietary large language models on cloud-based container orchestration platforms and on-premises GPU clusters using reproducible infrastructure as code and continuous … Endpoints, and Amazon Bedrock for managed model hostingExperience with online large language model quality monitoring, including hallucination detection, toxicity filtering, and drift detection using open telemetry conventionsContributions to open-source large language model serving or inference projects, (vLLM, llm-d, Ray, KServe, Triton)J.P. Morgan ...

Lead AI Engineer

Hiring Organisation
scrumconnect ltd
Location
City, Newcastle Upon Tyne, United Kingdom
Employment Type
Permanent
Salary
GBP 72,000 - 92,000 Annual
associate or professional level) - Prior delivery of AI or digital services within UK central government or wider public sector - Experience fine-tuning or adapting open-source/foundation models for a specific domain - Open-source contributions or active engagement in AI/ML engineering communities - Experience ...

Senior Data and AI Engineer

Hiring Organisation
Renewable Energy Systems
Location
Glasgow, UK
years.Azure Fabric data platform — expertise across Azure Data Factory, Synapse, Microsoft Fabric, Purview, Unity Catalogue, and Data Lake/Lakehouse architectures.Python — advanced proficiency including open-source data and ML libraries, frameworks, and production pipeline development.SQL — expert-level for data modelling, transformation, and complex query optimisation.AI/ML engineering … including building large-scale data and ML systems.Deep expertise in the Microsoft Azure data ecosystem — ADF, Synapse, Fabric, Purview, Unity Catalogue.Advanced Python skills including open-source data and ML libraries, frameworks, and messaging systems.Strong experience building and maintaining production data infrastructure for AI and ML consumption, including model ...

Tech Lead - Software Engineering

Hiring Organisation
Chroma Recruitment Ltd
Location
Alderley Edge, Cheshire, North West, United Kingdom
Employment Type
Contract
Contract Rate
Competitive Day Rate, DOE
production scale Expert-level TypeScript, JavaScript and Node.js; experience building scalable, production-grade applications Strong GraphQL, REST API and PostgreSQL skills; Git-based source control and branching strategies Strong AWS experience: designing, securing, deploying and operating production cloud environments Docker, CI/CD pipelines, Infrastructure as Code (Terraform exposure … topics to non-technical stakeholders Comfortable explaining and owning AI-assisted code output, not just using it Desirable Experience with Vendure or a comparable open-source commerce platform (e.g. Magento) Experience with a modern React-based frontend framework, ideally Next.js Experience with Python, Redis, Payload CMS, Kubernetes ...

Test Lead

Hiring Organisation
Version 1
Location
Newcastle upon Tyne, UK
acumen to drive quality across our engineering processes. You will be responsible for designing, building, and maintaining robust automation and performance testing frameworks using open-source tools, while also mentoring and guiding other engineers.Key Responsibilities: Strategic Leadership: Plan and lead large-scale, complex testing activities, managing risks … identifying opportunities to improve quality and efficiency. Technical Ownership: Build, maintain, and evolve automation frameworks using open-source technologies. Process Improvement: Lead investigative work into existing processes to identify gaps and implement improvements. Test Design & Execution: Design and execute a wide range of testing techniques including functional, performance ...

Cloud Native Architect

Hiring Organisation
Capgemini
Location
City of Bristol, United Kingdom
Employment Type
Full Time
solutions at enterprise scale. Innovation in delivery is always at the forefront of our minds, which is why we utilise a variety of cloud, open source and proprietary technologies to achieve the best possible outcome for our clients. We have world class architecture and software engineering communities … well as to Capgemini colleagues. Your skills and experience • Excellent knowledge of AWS for delivery of cloud-native solutions. • A strong background in open-source technologies and frameworks; API-centric architecture, and experience of designing scalable, resilient and secure applications. • Microservice-based architectures using domain driven design, event ...

Cloud Native Architect (AWS)

Hiring Organisation
Capgemini
Location
City of Bristol, United Kingdom
Employment Type
Full Time
solutions at enterprise scale. Innovation in delivery is always at the forefront of our minds, which is why we utilise a variety of cloud, open source and proprietary technologies to achieve the best possible outcome for our clients. We have world class architecture and software engineering communities … inclusive and welcoming environment, for everyone. Your skills and experience • Excellent knowledge of AWS for delivery of cloud-native solutions. • A strong background in open-source technologies and frameworks; API-centric architecture, and experience of designing scalable, resilient and secure applications. • Microservice-based architectures using domain driven design ...

Senior Test Engineer

Hiring Organisation
CACI Limited
Location
Bristol, Avon, South West, United Kingdom
Employment Type
Permanent
some of the tasks you may be asked to undertake; Develop and maintain automated test solutions using Java, Selenium WebDriver and a range of open-source testing tools and frameworks. Design, build, and execute automated UI and API test frameworks to support quality assurance across complex digital delivery … with strong hands-on expertise in Java and Selenium WebDriver. Experience designing, developing and maintaining scalable UI and API automation frameworks using industry-standard open-source tools. Commercial experience/certification with AWS cloud environments and experience testing cloud-native applications, services and integrations. Practical experience working within ...

Robotics and Motion Control Engineer

Hiring Organisation
Cortech Talent Solutions
Location
Reading, Berkshire, United Kingdom
Employment Type
Permanent
Salary
£30000 - £45000/annum Career development, pension
higher-education route in an area such as robotics, computer science, engineering, or another relevant discipline. Experience gained through university projects, placements, personal projects, open-source work and employment will all be considered. Useful Experience: ROS 2. Software development for physical robotic or embedded systems. Developing or integrating … decisions you made, how you tested it and what you learned. Relevant evidence may come from university projects, placements, employment, personal projects or open-source contributions. ...

CyberSecurity OpenSource Data Platform Solution Architect

Hiring Organisation
Hays Technology
Location
Sheffield, South Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £550/day Up to £550 per day (Inside IR35)
define and maintain key architecture artefacts (HLDs/LLDs, reference architectures, patterns, and ADRs). They also drive technology evaluation and standardisation across an open-source, petabyte-scale data platform. They own solution designs for custom cybersecurity applications, from requirements through to production support. Partnering with engineering, platform … reference architectures, patterns, ADRs (Architecture Decision Records), and reusable templates. Contributing to the design and evolution of a petabyte-scale data platform built on open-source technologies. Evaluate technologies and drive standardisation: assess OSS components and vendors, run PoCs, document trade-offs, and promote reusable patterns to reduce ...

Senior AI Developer

Hiring Organisation
Apache Associates
Location
Hungerford, Berkshire, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £80,000 per annum
established and legacy codebases adopt AI tooling effectively, rather than focusing solely on greenfield development. Potentially represent the organisation externally through talks, articles or open-source contributions. Skills & Experience Required This role requires someone who is an engineer first , with substantial practical experience applying AI in real-world … outputs AI adoption within established or legacy codebases SaaS environments Distributive trades, rental, retail, automotive aftermarket or garage management Public speaking, technical writing or open-source contributions This is a genuinely influential opportunity within an organisation that is embracing AI at pace . You'll have the opportunity ...

Senior AI Developer

Hiring Organisation
Apache Associates
Location
Sheffield, South Yorkshire, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £80,000 per annum
established and legacy codebases adopt AI tooling effectively, rather than focusing solely on greenfield development. Potentially represent the organisation externally through talks, articles or open-source contributions. Skills & Experience Required This role requires someone who is an engineer first , with substantial practical experience applying AI in real-world … outputs AI adoption within established or legacy codebases SaaS environments Distributive trades, rental, retail, automotive aftermarket or garage management Public speaking, technical writing or open-source contributions This is a genuinely influential opportunity within an organisation that is embracing AI at pace . You'll have the opportunity ...

Senior AI Developer

Hiring Organisation
Apache Associates
Location
Newcastle Upon Tyne, Tyne and Wear, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £80,000 per annum
established and legacy codebases adopt AI tooling effectively, rather than focusing solely on greenfield development. Potentially represent the organisation externally through talks, articles or open-source contributions. Skills & Experience Required This role requires someone who is an engineer first , with substantial practical experience applying AI in real-world … outputs AI adoption within established or legacy codebases SaaS environments Distributive trades, rental, retail, automotive aftermarket or garage management Public speaking, technical writing or open-source contributions This is a genuinely influential opportunity within an organisation that is embracing AI at pace . You'll have the opportunity ...

Software Engineer in Sutton

Hiring Organisation
Institute of Cancer Research
Location
Ely, Cambridgeshire, UK
DetailsUnder the guidance of Dr Tom Lund, we are seeking to recruit a Software Engineer to contribute to work on the development of an open-source software for digital and computational pathology. The post holder will build upon existing work within the group, working closely within the exiting … clinical-trial cohorts, including tissue microarray construction, as well as IHC/RNA-ISH/mIF testing. This is complemented with experience in open-source development and off-the-shelf use of tools for computational pathology analysis. The Integrated Pathology Unit is mainly based in the Centre ...

Senior Security Innovation Engineer - Welwyn Garden City, United Kingdom of Great Britain and Northern Ireland

Hiring Organisation
Appcast
Location
Welwyn Garden City, Hertfordshire, UK
compliance, and responsible AI principles, including privacy, data protection, and risk management considerations. • Evidence of contributions to the profession (community involvement, publications, talks, mentoring, open-source work, or recognised learning achievements). • Familiarity with Tesco’s core technology landscape and retail technology context, connecting technical risk to customer … compliance, and responsible AI principles, including privacy, data protection, and risk management considerations. • Evidence of contributions to the profession (community involvement, publications, talks, mentoring, open-source work, or recognised learning achievements). • Familiarity with Tesco’s core technology landscape and retail technology context, connecting technical risk to customer ...

Intelligence Support Officer

Hiring Organisation
Red Snapper Recruitment Limited
Location
Burnley, Lancashire, United Kingdom
Employment Type
Contract
Contract Rate
£12.84 - £13.84/hour
public safety & enterprise security recruitment specialist. We assist public safety employers find the right talent. We assist all employers when they want to source public safety and enterprise security skills and experience. Intelligence Support Officer Location: Parker Lane, Burnley Contract: Full Time, 3-month initial contract with possible extensions … information to support tasking and resource decisions. Liaise with internal teams, other organisations and external agencies to support effective information sharing and communication. Undertake open-source and digital media research where required. Maintain accurate computerised records and intelligence systems. Carry out administrative duties to support the effective running ...