26 to 50 of 205 Open Source Jobs in the UK

Magento Developer

Hiring Organisation
GK Recruitment
Location
Penwortham, Lancashire, United Kingdom
Employment Type
Permanent
Salary
GBP 50,000 - 60,000 Annual
boxed into a narrow development function. What You ll Be Doing - Magento Platform Ownership Own the stability, performance and evolution of our Magento 2 (Open Source) platform. Design, build and maintain custom Magento modules and backend functionality. Diagnose and resolve production issues quickly and effectively Plan and deliver … upskill e-commerce team members to reduce single-point dependency. W hat We re Looking For Essential Experience Strong commercial experience with Magento 2 (Open Source) Excellent PHP and MySQL skills Deep understanding of Magento architecture, APIs and ORM Experience integrating Magento with ERP systems (NAV/Business ...

Magento Developer

Hiring Organisation
GK Recruitment
Location
Preston, Lancashire, United Kingdom
Employment Type
Permanent
Salary
£50000 - £60000/annum Hybrid + loads of bens
boxed into a narrow development function. What You’ll Be Doing - Magento Platform Ownership Own the stability, performance and evolution of our Magento 2 (Open Source) platform. Design, build and maintain custom Magento modules and backend functionality. Diagnose and resolve production issues quickly and effectively Plan and deliver … upskill e-commerce team members to reduce single-point dependency. W hat We’re Looking For Essential Experience Strong commercial experience with Magento 2 (Open Source) Excellent PHP and MySQL skills Deep understanding of Magento architecture, APIs and ORM Experience integrating Magento with ERP systems (NAV/Business ...

Senior Software Engineer, C++

Hiring Organisation
Ripple
Location
London, England, United Kingdom
full software development lifecycle, including architecture, technical design, C++ development, bug fixing, as well as functional and performance validations. Be part of the open-source XRP ledger community, setting high standards for coding, testing, and deployment. Actively participate in code reviews to maintain the high quality … Ability to learn new technologies and languages quickly. Ability to independently solve highly complex problems with creative solutions. Nice to have: Experience in developing open-source software and contributing to collaborative blockchain communities. WHO WE ARE: Do Your Best Work The opportunity to build in a fast-paced ...

Scrum Master - Technical Modernisation

Hiring Organisation
Hays
Location
London, UK
Employment Type
Full-time
that includes both Agile and Waterfall methodologies. Key responsibilities will be: Leading technology modernisation projects such as: Migration from Oracle/Infomatica to an open source solution Facilitating sprint ceremonies (planning, stand-ups, retrospectives, reviews) Ensuring backlog clarity and prioritisation in collaboration with Product Owners Tracking progress using … Experience: Minimum 5 years as a Scrum Master in technology transformation projects Strong understanding of Agile frameworks and SDLC Exposure to database migration and open-source technology adoption is a plus The perfect candidate will have experience with PostgreSQL, Apache, and OpenJDK Skills: Excellent facilitation and communication skills ...

Embedded Linux Software Engineer

Hiring Organisation
Platform Recruitment Limited
Location
Cambridge, Cambridgeshire, East Anglia, United Kingdom
Employment Type
Permanent
Salary
£75,000
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 open source software Strong understanding of network protocols Desirable skills for an Embedded Software 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 ...

Compiler Engineer - LLVM / C++

Hiring Organisation
European Tech Recruit
Location
Cambridge, Cambridgeshire, UK
/C++ programming skills Passion for compiler development and low-level optimization Basic understanding of CPU architecture BSc/MSc in Computer Science preferred Open-source contributions and strong practical skills are a plus Keywords LLVM/C++/compiler optimization/xPU/CPU architecture/…/AI/open-source/R&D/CPU/High Performance Computing/Artificial Intelligence/Compiler/Compiler Engineer If you are interested in this Compiler Engineer position, please send a copy of your CV to ts@eu-recruit.com By applying to this role ...

Compiler Engineer - LLVM / C++

Hiring Organisation
European Tech Recruit
Location
Cambridge, England, United Kingdom
/C++ programming skills Passion for compiler development and low-level optimization Basic understanding of CPU architecture BSc/MSc in Computer Science preferred Open-source contributions and strong practical skills are a plus Keywords LLVM/C++/compiler optimization/xPU/CPU architecture/…/AI/open-source/R&D/CPU/High Performance Computing/Artificial Intelligence/Compiler/Compiler Engineer If you are interested in this Compiler Engineer position, please send a copy of your CV to ts@eu-recruit.com By applying to this role ...

Design Verification Engineer

Hiring Organisation
Platform Recruitment
Location
City of London, London, United Kingdom
supported in pushing the envelope alongside top pioneers in verification. Responsibilities Design and maintain robust testbenches and targeted tests using the organisation’s mixed open-source and proprietary verification environment. Develop and own comprehensive verification plans, ensuring coverage goals and test strategies are clear and defensible. Identify … resolve design defects efficiently. Oversee and refine the test infrastructure, including management of test suites, CI pipelines, and the improvement of both internal and open-source tooling. Requirements Strong debugging and analytical capability, able to isolate and resolve complex RTL and testbench issues efficiently. At least two years ...

AI Engineer

Hiring Organisation
CATCHES
Location
Dartford, Kent, UK
Employment Type
Full-time
focused on user outcomes, quality, and reliability Build AI workflows covering image generation, guidance models, and agent-like systems Fine tune or train lightweight open source models, including LoRAs and smaller LLMs Implement guardrails, safety mechanisms, and behaviour constraints for LLM-based features Develop evaluation and validation approaches … shipping user-facing software. Hands-on experience with modern AI tooling such as prompting, fine tuning, model configuration, or inference pipelines Comfort working with open source models and related tooling Ability to break down ambiguous problems and deliver practical, testable solutions Willingness to experiment quickly, measure results ...

Embedded Linux Engineer

Hiring Organisation
Platform Recruitment
Location
CB3, Cambridge, Cambridgeshire, United Kingdom
Employment Type
Permanent
Salary
£60000 - £70000/annum
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 open source 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 ...

Software Engineer

Hiring Organisation
Oscar Associates (UK) Limited
Location
Oxford, Oxfordshire, United Kingdom
Employment Type
Permanent
Salary
GBP 55,000 Annual
Level Software Engineer Salary: £45,000 - £55,000 Location: Oxford (Hybrid - 3 days per week in office) Industry: Open-Source Software/Digital Platforms The Opportunity I'm recruiting for an innovative Oxford-based tech company that's expanding its engineering team to support its growing suite … open-source digital platforms click apply for full job details ...

Oracle DBA

Hiring Organisation
Sanderson Government and Defence
Location
Warwickshire, West Midlands, United Kingdom
Employment Type
Contract
/SQL. Manage backup and recovery strategies using RMAN. Support and maintain Oracle WebLogic environments. Develop and maintain reporting solutions using OBIEE. Work with open-source platforms such as Liferay and Oracle development frameworks including ADF and APEX. Required Skills & Experience In-depth knowledge of Oracle Database Architecture … Business Suite R12 setup and administration. Proficiency in SQL*Plus, PL/SQL, and scripting for automation. Experience with Oracle WebLogic, OBIEE, and open-source tools like Liferay. Familiarity with Oracle ADF and APEX development frameworks. Reasonable Adjustments: Respect and equality are core values to us. ...

Staff Firmware Engineer

Hiring Organisation
Rise Technical Recruitment
Location
Bristol, United Kingdom
Employment Type
Permanent
Salary
£88000 - £115000/annum Progression, Equity, Pay Reviews
infrastructure environments. You'll be comfortable owning complex defect management, working with standards such as UEFI and ACPI, and engaging directly with customers and open-source communities around infrastructure platform solutions. This is a fantastic opportunity to join a truly world-leading organisation, work on technology that sits … UEFI/ACPI and structured defect management for complex systems (ideally server/infrastructure) *Familiar with RAS, hypervisors, CXL, power management and security; open-source experience highly beneficial Reference Number: BBBH(phone number removed) To apply for this role or to be considered for further roles, please click ...

Staff Firmware Engineer

Hiring Organisation
Rise Technical Recruitment
Location
Bristol, Gloucestershire, United Kingdom
Employment Type
Permanent
Salary
GBP 88,000 - 115,000 Annual
infrastructure environments. You'll be comfortable owning complex defect management, working with standards such as UEFI and ACPI, and engaging directly with customers and open-source communities around infrastructure platform solutions. This is a fantastic opportunity to join a truly world-leading organisation, work on technology that sits … UEFI/ACPI and structured defect management for complex systems (ideally server/infrastructure) Familiar with RAS, hypervisors, CXL, power management and security; open-source experience highly beneficial Reference Number: BBBH(phone number removed) To apply for this role or to be considered for further roles, please click ...

Staff Firmware Engineer

Hiring Organisation
Rise Technical Recruitment Limited
Location
Bristol, Avon, South West, United Kingdom
Employment Type
Permanent
infrastructure environments. You'll be comfortable owning complex defect management, working with standards such as UEFI and ACPI, and engaging directly with customers and open-source communities around infrastructure platform solutions. This is a fantastic opportunity to join a truly world-leading organisation, work on technology that sits … UEFI/ACPI and structured defect management for complex systems (ideally server/infrastructure) *Familiar with RAS, hypervisors, CXL, power management and security; open-source experience highly beneficial Reference Number: BBBH266754 To apply for this role or to be considered for further roles, please click 'Apply ...

Staff Engineer

Hiring Organisation
Tata Consultancy Services
Location
London, UK
Employment Type
Full-time
critical journeys. • Enterprise Integration: Experience with ERP/COTS integrations (e.g., BY WMS, SAP, warehouse automation, MQ, Mule) and resilient data synchronization patterns. • Open Source & Inner source: Contributions that elevate engineering standards and reuse across teams. Rewards & Benefits TCS is consistently voted a Top Employer ...

Senior Insight Analyst

Hiring Organisation
TalkTalk
Location
Bolton, Greater Manchester, UK
Employment Type
Full-time
track record of collaborating with senior leaders on strategic initiatives A strong understanding of advanced current and emerging technologies that can create a source of competitive advantage Strong analytical, problem solving and communication skills (both oral and written), with an ability to generate insights across multiple sources of data. … Analytics capability (GA360, Adobe etc) as well as Cloud experience (Azure, AWS, GCP) and PowerBI. Python/R also advantageous alongside some knowledge of open source data An open-minded, flexible and positive attitude toward new challenges, with a willingness to embrace new technologies and business change ...

Senior Data Engineer

Hiring Organisation
Experis
Location
England, United Kingdom
ontology-based data models Familiarity with controlled or cross-domain data sharing patterns Experience with Infrastructure-as-Code (e.g. Terraform, CloudFormation) Exposure to open-source data platforms or frameworks Contractor Profile Able to deliver independently with minimal supervision Comfortable working within structured delivery frameworks Strong analytical and problem ...

Senior Java/Kotlin Engineer x 4

Hiring Organisation
Oliver Bernard
Location
London Area, United Kingdom
reactive programming (e.g., Reactor, Coroutines) Domain-Driven Design (DDD) exposure Experience in data streaming technologies (Kafka, Pulsar, etc.) Interest in contributing to internal IP, open-source work, or technical communities What We Offer Competitive salary + bonus Flexible working arrangements Private health, pension, and generous holiday allowance Opportunities ...

Data Engineer - RDF / SparQL

Hiring Organisation
Experis
Location
London, UK
Employment Type
Full-time
knowledge graphs or graph DBs Experience with RDF, SPARQL, ontologies Familiarity with cross-domain data flow patterns Infrastructure-as-Code (Terraform, CloudFormation) Exposure to open-source data frameworks The Ideal Contractor Operates independently with minimal oversight Pragmatic, delivery-driven, and quality-focused Excellent communication across technical & non-technical ...

Java Engineer

Hiring Organisation
Profile 29
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£60,000
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 ...

Java Engineer

Hiring Organisation
Profile 29
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £60,000 per annum
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 ...

Principal / Associate Geospatial Developer

Hiring Organisation
Tetra Tech
Location
Manchester, North West, United Kingdom
Employment Type
Permanent
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 ...

Principal / Associate Geospatial Developer

Hiring Organisation
Tetra Tech
Location
Southampton, Hampshire, South East, United Kingdom
Employment Type
Permanent
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 ...

Managing Architect

Hiring Organisation
Aker Systems Limited
Location
Central London, London, United Kingdom
Employment Type
Permanent
specialists. The successful candidate will meet all of the following essential criteria: Demonstrable experience in designing large scale cloud migration projects/programmes with open source and commercial software within AWS, Azure, GCP or hybrid Experience in operating within a multi-disciplined team and clearly communicating complex technology … Understanding of NCSC Cloud Security Principles and its practical implementations Aker Systems Attributes At Aker we work as a team, we are collaborative, hardworking, open, and delivery obsessed. There is no blame culture here: try things, and take responsibility for the outcomes. You are always part of the wider ...