that we are involved with. In addition you may have the opportunity to work on complex Oracle Cloud implementations working with a mixture of Oracle's PaaS products and open-source technologies. What you'll do • Operate as a Senior Developer in complex Oracle Data Migration projects. • Design and implement performant scalable data mappings and transformations. • Support Key … liaise with senior stakeholders. • Input into data migration planning and strategy. Build extraction and transformation processes. Defect resolution and artefact management. • You will be required to work with modern opensource or third-party solutions on occasion. • You will work alongside Subject Matter Experts from our functional team to deliver solutions which meet the complex needs and requirements … Shore project delivery). • Able to build productive relationships with clients and peers. • Passion and a genuine interest for new Oracle based technologies and products. • Strong experience of using source code repositories (primarily git) and knowledge of git strategies. • Whilst not essential, knowledge and experience of implementing cloud-based integrations with particular focus on integration within the Oracle cloud More ❯
Leamington Spa, Warwickshire, England, United Kingdom
Rentr
life Comfortable using AI coding tools such as GitHub Copilot, Cursor, or Continue Exposure to DevOps , CI/CD pipelines, and automated deployment is a strong advantage Experience with open-source toolsets is a plus Using Linux as your daily driver OS is an added advantage What We Need From You (Our Must-Haves) 1–5 years of … Framework, and Flutter Understanding of REST APIs , microservices , and distributed systems Experience working with PostgreSQL Comfort using AI-assisted development tools (Copilot, Cursor, Continue, etc.) Bonus: familiarity with DevOps, open-source tools, and Linux environments Strong problem-solving ability and a proactive, ownership-driven mindset Curiosity and passion for building, learning, and growing with a fast-moving startup More ❯
london, south east england, united kingdom Hybrid/Remote Options
Tomoro
role grows, this may extend to leading these teams, owning solutions end-to-end and advising clients in this space. The typical applications we build use existing closed or open-source foundational models, potentially with some fine tuning. We generally do not need to train our own foundational models from scratch. Requirements Responsibilities The examples describe the types … hands-on experience of developing production-grade solutions involving: • Building Microservices (including scalable data pipelines using frameworks like Spark) • Data technologies (Python, SQL) • Large language models, fine tuning (closed & opensource, OpenAI API) • Solution design (mainly data applications using Python, SQL and other allied tech stack) • Analytical problem solving We are not restricted to the technologies we use More ❯
Warrington, Cheshire, North West, United Kingdom Hybrid/Remote Options
Circle Group
Java Software Developer - Java - Mostly Remote working Are you a Software Developer with a passion for open-source technology, such as Java, to work on innovative real-time solutions? We're looking for a Software Engineer with strong Java & SQL skills to join our growing client in Warrington! The role can be mostly remote, with 1 day a … be a bonus, as would be some DevOps knowledge They are a dynamic software team of six, focused on developing cutting-edge solutions & you'll work with the latest open-source technologies to create scalable, high-performance applications that power real-time solutions. Hands-On Development - Work on new projects from the ground up, using technologies like Java More ❯
Warrington, Cheshire, England, United Kingdom Hybrid/Remote Options
Circle Recruitment
Full Stack Software Developer - Java - Mostly remote working Are you a passionate Software Developer with a keen interest in open-source technology, particularly Java, who wants to work on innovative real-time solutions? We're seeking a Software Engineer with strong Java and SQL skills to join our rapidly growing client in Warrington. The role can be predominantly … would be a bonus, as would be some DevOps knowledge This dynamic software team of six is focussed on developing cutting-edge solutions. You'll work with the latest open-source technologies to create scalable, high-performance applications that power real-time solutions. Hands-On Development - Work on new projects from the ground up, using technologies like Java More ❯
South East London, London, United Kingdom Hybrid/Remote Options
Profile 29
use cases Prototype multi-agent systems, reasoning engines, and knowledge-graph integrations Implement and fine-tune models for language understanding, decision automation, and data insight generation Evaluate and integrate open-source and commercial AI frameworks into orchestration workflows Ensure AI solutions are explainable, auditable, and compliant with public- sector governance standards Advise on AI strategy, ethical use, and … Understanding of ethical AI, governance frameworks, and public-sector AI standards Familiarity with BPMN/DMN, process orchestration, or workflow automation platforms Experience contributing to AI research, publications, or open-source projects Holds UK security clearance (SC, DV, eDV) What They Offer A company option scheme gives their employees a stake in the organisation theyre building meaningful missions. More ❯
South East London, London, United Kingdom Hybrid/Remote Options
Profile 29
use cases Prototype multi-agent systems, reasoning engines, and knowledge-graph integrations Implement and fine-tune models for language understanding, decision automation, and data insight generation Evaluate and integrate open-source and commercial AI frameworks into orchestration workflows Ensure AI solutions are explainable, auditable, and compliant with public- sector governance standards Advise on AI strategy, ethical use, and … Understanding of ethical AI, governance frameworks, and public-sector AI standards Familiarity with BPMN/DMN, process orchestration, or workflow automation platforms Experience contributing to AI research, publications, or open-source projects Holds UK security clearance (SC, DV, eDV) What They Offer A company option scheme gives their employees a stake in the organisation theyre building meaningful missions. More ❯
South East London, London, United Kingdom Hybrid/Remote Options
Profile 29
use cases Prototype multi-agent systems, reasoning engines, and knowledge-graph integrations Implement and fine-tune models for language understanding, decision automation, and data insight generation Evaluate and integrate open-source and commercial AI frameworks into orchestration workflows Ensure AI solutions are explainable, auditable, and compliant with public- sector governance standards Advise on AI strategy, ethical use, and … Understanding of ethical AI, governance frameworks, and public-sector AI standards Familiarity with BPMN/DMN, process orchestration, or workflow automation platforms Experience contributing to AI research, publications, or open-source projects Holds UK security clearance (SC, DV, eDV) What They Offer A company option scheme gives their employees a stake in the organisation theyre building meaningful missions. More ❯
London, South East, England, United Kingdom Hybrid/Remote Options
Profile 29
use cases Prototype multi-agent systems, reasoning engines, and knowledge-graph integrations Implement and fine-tune models for language understanding, decision automation, and data insight generation Evaluate and integrate open-source and commercial AI frameworks into orchestration workflows Ensure AI solutions are explainable, auditable, and compliant with public- sector governance standards Advise on AI strategy, ethical use, and … Understanding of ethical AI, governance frameworks, and public-sector AI standards Familiarity with BPMN/DMN, process orchestration, or workflow automation platforms Experience contributing to AI research, publications, or open-source projects Holds UK security clearance (SC, DV, eDV) What They Offer A company option scheme gives their employees a stake in the organisation they’re building meaningful More ❯
their systems after. Responsibilities as an Embedded Linux Engineer : Porting the OS, integrating with ODM software Fixing build issues when moving to new platforms and applying patches to debug open-source software Researching technical growth Requirements: Highly experienced with embedded build systems, preferably buildroot, OpenWRT, or other WRT-Variants Experienced with CLANG and very confident working with patches … on opensource software Strong understanding of network protocols Desirable skills for an Embedded Linux Engineer: Experience developing Linux kernel modules and using the kernel build system Knowledge of the Wireless and Linux network stack Experience managing the process from a reference board to production Apply now to join an R&D team shaping the future of networking More ❯
Desborough, Northamptonshire, United Kingdom Hybrid/Remote Options
Impact Recruitment Services
and producing engaging visual content. Key Responsibilities Web Development & Shopify Maintain, optimise, and further develop existing Shopify stores. Build new websites and landing pages using Shopify and/or open-source frameworks. Custom-code Shopify themes, templates, and functionality as needed. Implement third-party integrations, apps, and payment gateways. Ensure site performance, security, and mobile optimisation. Troubleshoot technical … conversions, and online branding. Monitor website analytics, reporting on performance and identifying opportunities. Skills & Experience Strong experience with Shopify development including Liquid, theme customisation, and app integration. Proficiency in open-source coding (HTML, CSS, JavaScript, PHP, or similar). Ability to manage and update in-house websites and build new sites from scratch. Marketing or creative experience, particularly More ❯
Kettering, Northamptonshire, United Kingdom Hybrid/Remote Options
Impact Recruitment Services
and producing engaging visual content. Key Responsibilities Web Development & Shopify Maintain, optimise, and further develop existing Shopify stores. Build new websites and landing pages using Shopify and/or open-source frameworks. Custom-code Shopify themes, templates, and functionality as needed. Implement third-party integrations, apps, and payment gateways. Ensure site performance, security, and mobile optimisation. Troubleshoot technical … conversions, and online branding. Monitor website analytics, reporting on performance and identifying opportunities. Skills & Experience Strong experience with Shopify development including Liquid, theme customisation, and app integration. Proficiency in open-source coding (HTML, CSS, JavaScript, PHP, or similar). Ability to manage and update in-house websites and build new sites from scratch. Marketing or creative experience, particularly More ❯
PyTorch custom ops or backends. Working knowledge of performance profiling tools and GPU/CPU interplay. Strong written communication and ability to deliver well-documented, self-contained modules. Prior open-source contributions to PyTorch, TorchInductor, Triton, or related projects are a plus. 4) More About the Opportunity Ideal for contractors who enjoy building clean, high-performance abstractions in … invoice cadence. Confidentiality and IP assignment agreements may apply. 6) Application Process Share a concise summary of your experience with PyTorch internals and systems-level programming. Include links to open-source work, GitHub PRs, or sample operator implementations. Provide hourly rate, availability, and relevant technical background. Selected experts may complete a short, paid pilot module to demonstrate fit. More ❯
london, south east england, united kingdom Hybrid/Remote Options
Proton
fundamental human right and the cornerstone of democracy. Since our inception in 2014, founded by a team of scientists from CERN, we have dedicated ourselves to providing free and open-source technology to millions worldwide, ensuring access to privacy, security, and freedom online. Our journey began with Proton Mail, the largest secure email service globally, and has since … structure flat to keep moving fast and avoid unnecessary politics. Tired of blending into the crowd? Join us and do work you can truly be proud of. Check our open-source projects here Purpose of the role As we are rapidly growing, we are now in search of a sharp and mission-driven Senior Product Designer (UX/… programs. Work that Matters: Proton is a community-first organization, started with the support of a crowdfunding campaign and built with community input. To this day, Proton's only source of revenue is user subscriptions. Over 100 million people trust and support Proton, and we put our users and community first in everything we do. Read more about our More ❯
improving the debugging experience. This involves work LLVM, the Clang and Swift compiler frontends, the LLDB debugger, and related tools. You will closely collaborate with the Swift and LLVM opensource projects. Description Our team works at the intersection of compiler and debugger technology: we are responsible for the debugging experience — from generating debug information in our compilers … Experience with serialization formats such as Clang and Swift modules Experience with LLVM, Clang, and LLDB development Experience working with debug info formats like DWARF Experience with contributing to OpenSource projects More ❯
Server database Geospatial (web) application development using at least one of the following: ESRI technologies (ESRI ArcGIS API for JavaScript/REST, WebApp builder, ArcGIS Runtime DSK for .Net) Open-source technology (Open Layers, Geo Server, PostgreSQL) Experience in using python to develop geoprocessing solutions and using FME/Erdas Imagine Excellent skills in terraform and ansible More ❯
South East London, London, United Kingdom Hybrid/Remote Options
Profile 29
Experience integrating process automation with case-management or service-orchestration platforms Understanding of agentic AI capabilities and how they can complement workflow automation Experience mentoring developers or contributing to open-source Camunda extensions Already holding UK security clearance (SC, DV, eDV) What They Offer A company option scheme gives their employees a stake in the organisation theyre building More ❯
London, South East, England, United Kingdom Hybrid/Remote Options
Profile 29
Experience integrating process automation with case-management or service-orchestration platforms Understanding of agentic AI capabilities and how they can complement workflow automation Experience mentoring developers or contributing to open-source Camunda extensions Already holding UK security clearance (SC, DV, eDV) What They Offer A company option scheme gives their employees a stake in the organisation they’re More ❯
innovation across the globe. Cutting-Edge Technology: Get hands-on with the full Esri product suite (ArcGIS Pro, Enterprise, AGOL), Microsoft Azure, MS SQL Server, PostgreSQL and the latest open-source platforms - plus AI/ML frameworks that power truly intelligent mapping and analytics. Diverse, High-Impact Projects: From single-discipline proofs-of-concept to large scale multi More ❯
Southampton, Hampshire, South East, United Kingdom
Tetra Tech
innovation across the globe. Cutting-Edge Technology: Get hands-on with the full Esri product suite (ArcGIS Pro, Enterprise, AGOL), Microsoft Azure, MS SQL Server, PostgreSQL and the latest open-source platforms - plus AI/ML frameworks that power truly intelligent mapping and analytics. Diverse, High-Impact Projects: From single-discipline proofs-of-concept to large scale multi More ❯
london, south east england, united kingdom Hybrid/Remote Options
Mercor
. Solid grasp of monitoring stacks (Prometheus, Grafana, ELK) and CI/CD principles. Bonus Points Experience in AI/ML infrastructure or large-scale distributed systems. Contributions to open-source DevOps or backend frameworks. Knowledge of GitOps, serverless, or edge computing. Pay & Work Structure You'll be classified as an hourly contractor to Mercor. Paid weekly via More ❯
Bonus Points For Experience in microservices architecture and containerization (Docker, Kubernetes) Exposure to CI/CD pipelines and DevOps practices Background in agile methodologies and delivery management Contributions to open-source Java libraries or frameworks Why Join Them? Work with brilliant, passionate engineers Real ownership & influence over the product roadmap Flexible working hours and remote-friendly culture Wellness More ❯
Ipswich, Suffolk, United Kingdom Hybrid/Remote Options
Ithika Recruitment Ltd
the very latest technologies for stream processing, container orchestration, visualisation, and more, in a modern, multi-tenant cloud-native architecture. You will be encouraged to leverage and contribute to open-source projects which align with business goals in a culture of positivity. Technologies you will be exposed to: • C# (.NET 8.0+) • Containers (Kubernetes Services, Docker) • Serverless (Azure Functions More ❯
to establish coding standards and best practices across teams AI/ML Expertise Strong understanding of machine learning frameworks (TensorFlow, PyTorch, Scikit-learn) Experience with LLM integration (OpenAI, Anthropic, open-source models) Knowledge of RAG architectures, prompt engineering, and vector databases (Pinecone, Weaviate) Experience with MLOps tools and monitoring model performance in production Automation Architecture Deep knowledge of More ❯