26 to 50 of 281 Open Source Jobs in the UK

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 ...

Research Scientist, LLM Agents (Foundational Research)

Hiring Organisation
Thomson Reuters
Location
London, UK
curious and open-minded individual with an interest in conducting state-of-theart foundational machine learning research? Thomson Reuters Labs is seeking Research Scientists with a passion for building complex agent-based AI systems in a data-rich, complex academic environment driven by real-world problems.Foundational Research … scale model training.Extensive experience working on agent-based systems, tool-using AI, or multi-agent coordination in LLM contexts (e.g. startup, industry, or extensive open-source experience).Strong software and/or infrastructure engineering skills and ensuring well-managed software delivery, as evidenced by code contributions to popular ...

Security Architect

Hiring Organisation
TXP
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £650 per day
candidate will have come from a strong technical background, and have an understanding of attack vectors for high threat environments, across both proprietary and open-source technology stacks. You will advise and enable technical teams to make security decisions and provide advice and guidance, ensuring the effective … programmes, projects or a product-centric organisation. You will have a good understanding of a broad range of industry-standard technologies, both proprietary and open source, across a diverse range of Microsoft and Linux-based deployments, across physical, virtual and containerised compute. You will have experience in securing ...

Senior ML Platform Engineer - Artificial Intelligence

Hiring Organisation
Appcast
Location
London, UK
cohesive, integrated, and managed AI development life cycle to enable the building and maintenance of our AI systems. Our teams make extensive use of open source technologies such as, Kubernetes, Kubeflow, KServe, Argo, Buildpacks, and other cloud-native MLOps technologies. From technical governance to upstream collaboration … committed to enhancing the impact and sustainability of open source. Join the AI Group as a Senior ML Platform Engineer and you will have the opportunity to: * Architect, build, and diagnose multi-tenant AI platform systems * Work closely with AI application teams to design seamless workflows for continuous model ...

Senior Security Engineer

Hiring Organisation
Appcast
Location
Remote, UK
FedRAMP, or Cyber Essentials Plus Certifications: OSCP, GCIH, GCFA, or equivalent penetration testing/incident response credentialsExperience in Go or PythonBackground in open-source communitiesEndpoint security management experience in a fully remote organisationExport Control & EligibilityThis role may involve access to information subject to U.S. export control regulations … market conditions. These ranges may be modified in the future.Posting Range76,123—100,992 GBPMattermost is an EEO Employer, we are a remote-first, open-source company.We are continually working to expand our hiring in more countries and regions, ensuring compliance with local laws and regulations, which takes ...

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
Appcast
Location
London, 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 ...

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 ...

Senior Java Software Engineer- Platform Engineering

Hiring Organisation
Appcast
Location
London, UK
decide where the team should invest.What you’ll work onDesign, build, and operate capabilities within Wise’s Continuous Delivery platform.Evolve our use of the Open Source CD tool Spinnaker and contribute improvements upstream where appropriate.Build reliable guardrails that help engineers deploy changes safely with minimal manual effort.Improve … will gainMeaningful influence over a platform used by engineers across Wise.The opportunity to solve engineering problems at company-wide scale.Scope to contribute to open source software.Support to develop your technical leadership and help other teams improve how they deliver software.A flexible working environment and regular team and company ...

Research Applications Team Leader

Hiring Organisation
Queen Mary University of London
Location
London, UK
these servers run Rocky Linux. The post holder is required to possess substantial knowledge and experience of supporting large installations of Linux servers and open-source software in an academic or enterprise environment according to best practice.About YouThe Research Applications Team Leader will primarily be utilising advanced technical … ClusterExperience of devops methodologies, including automation, configuration management using Puppet and Git, and continuous integration solutionsAbility to provision and test a wide change of Open Source applications, using a variety of methods (source code, scripts, containers, packages).This an exciting role for a skilled Linux ...

Senior Java Software Engineer- Platform Engineering

Hiring Organisation
Wise
Location
Greater London, United Kingdom
Employment Type
Full Time
Salary
87500 to 111000 GBP Annually
team should invest. What you’ll work on Design, build, and operate capabilities within Wise’s Continuous Delivery platform. Evolve our use of the Open Source CD tool Spinnaker and contribute improvements upstream where appropriate. Build reliable guardrails that help engineers deploy changes safely with minimal manual effort. … Meaningful influence over a platform used by engineers across Wise. The opportunity to solve engineering problems at company-wide scale. Scope to contribute to open source software. Support to develop your technical leadership and help other teams improve how they deliver software. A flexible working environment and regular ...

Cost Accounting Manager

Hiring Organisation
Appcast
Location
London, UK
Canonical is a leading provider of open source software and operating systems to the global enterprise and technology markets. Our platform, Ubuntu, is very widely used in breakthrough enterprise initiatives such as public cloud, data science, AI, engineering innovation, and IoT. Our customers include the world's leading … colleaguesPriority Pass and travel upgrades for long-haul company eventsAbout CanonicalCanonical is a pioneering tech firm at the forefront of the global move to open source. As the company that publishes Ubuntu, one of the most important open-source projects and the platform ...

Core AI Engineer

Hiring Organisation
Appcast
Location
London, UK
team within the AI Engineering department. We build, operate and scale the foundational platform that powers AI innovation across G‐Research, including on-prem open model inference, model serving, AI developer experience tooling, centralised MCP servers and secure agent sandboxing.We provide the foundations that enable teams across the firm … teams to provision and consume AI infrastructure independentlyIntegrating platform services with existing technology stacks, ensuring clear interfaces, monitoring and CI/CDEvaluating and adopting open-source technologies and applying emerging best practices to improve the platformWho are we looking for We value pragmatic engineers who combine deep infrastructure ...

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 ...

Junior Linux Systems Engineer- Hedge Fund

Hiring Organisation
Quant Capital
Location
London, UK
develop the monitoring platform·Automation·Implement and adhere to system and network security·Identify and drive best practice standards, with a focus on Open Source offerings where feasibleAs requirements evolve you will leverage the best of the open source community, sometimes substituting your own solutions where ...

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 Security Architect - SecOps and Vulnerability Management

Hiring Organisation
Appcast
Location
London, UK
detection logic to significantly minimize alert fatigue for the SOC team.Architect the end-to-end SBOM lifecycle to continuously track, analyze, and mitigate open-source and third-party software supply chain risks.Design a risk-based vulnerability management platform that automatically prioritizes infrastructure and application flaws utilizing real-world … analyzing Software Bills of Materials (SBOMs using frameworks like CycloneDX or SPDX) and integrating them with tools like Dependency-Track or Snyk to track open-source vulnerabilities.Advanced threat modeling experience (e.g., STRIDE-LM) for SIEM data flows, log ingestion pipelines, and vulnerability management platformsExperience architecting vulnerability programs using ...

Applied AI ML Director

Hiring Organisation
Appcast
Location
London, UK
Machine Learning team in Corporate and Investment Banking is transforming the operations of the world’s largest bank by leveraging the latest advancements in open source artificial intelligence and proprietary frontier models. To facilitate rapid growth, the team is focusing expertise in key "Domains" that are crucial … Domains. We seek an team member with a strong foundation in artificial intelligence and software engineering, who has made significant contributions to open source projects and/or led the development and maintenance of AI systems vital to business operations.As an Applied AI ML Director within the Corporate ...

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 ...