76 to 100 of 143 Open Source Jobs in England

Bio Machine Learning Engineer

Hiring Organisation
SR2 | Socially Responsible Recruitment | Certified B Corporation™
Location
London Area, United Kingdom
tools (e.g. FASTQ, BAM, variant calling) Knowledge of protein structure modelling or drug discovery workflows Exposure to MLOps, deployment, and production systems Publications or open-source contributions in relevant domains Why Join Them Opportunity to work on genuinely impactful problems in healthcare and life sciences Early-stage equity ...

Engineering Manager

Hiring Organisation
Hirewell
Location
London Area, United Kingdom
relational storage technologies. Experience using Feature or Release Toggles as a code branching strategy. Experience selecting and extending third-party components (commercial or open-source) that provide operational leverage. Eligibility Candidates must be legally authorized to work in the United Kingdom without sponsorship now or in the future. ...

LLM Engineer

Hiring Organisation
Ultralytics
Location
City of London, London, United Kingdom
plus local holidays. Flexible Hours: Tailor your working hours to suit your productivity. Tech: Engage with cutting-edge AI projects and contribute to leading open-source software. Gear: Brand-new Apple MacBook and Apple Display provided. Team: Become part of a supportive and passionate team environment. ...

Data Engineer Degree Apprentice

Hiring Organisation
Print Management Europe Ltd T/As PSE
Location
10 ROMAN WAY BUSINESS CENTRE, BERRY HILL INDUSTRIAL ESTATE, DROITWICH, England, United Kingdom
Employment Type
Degree Apprenticeship
Salary
£26,000 a year
Proprietary Data Management: Maintain and systematically enhance the data feeds into PSE’s household-level mailing database. This includes managing data integration from open source data, CRM systems, third-party databases, and client-supplied files to ensure a high-integrity "single customer view" Hybrid Delivery Model: Collaborate with ...

Mid-Senior Ruby on Rails Engineer (B2B SaaS | Hybrid | UK)

Hiring Organisation
Transreport
Location
London Area, United Kingdom
Experience working with mobile applications (React Native/Kotlin/Swift). Experience working in regulated industries or multi-client B2B systems. Contributions to open-source Ruby projects or technical blogging. Benefits Private healthcare after your probation (including children) Hybrid working model 25 days holiday Volunteering Leave Free ...

Infrastructure Engineer

Hiring Organisation
Lockheed Martin
Location
Brockworth, Gloucestershire, UK
formal product sell off Experience in automated testing in the software domain Experience in developing GitLab CI/CD Pipelines. Experience with Commercial and Open Source automated testing frameworks Experience working with Git, Atlassian suite, Jira, Confluence or similar Knowledge and automation of both functional and non-functional ...

Vice President, AI Deployment & Strategy (UK, Italy, France or Germany)

Hiring Organisation
SaxeCap
Location
London Area, United Kingdom
worked on a live deal, you know what this feels like. Builder DNA. You don't just recommend, you build. Side projects, open-source contributions, 0-to-1 products, or intrapreneurial ventures all signal the instinct we're looking for. Structured synthesis at scale. You can process massive ...

Front End Software Engineer (Typescript)

Hiring Organisation
Safe Intelligence
Location
City of London, Greater London, UK
experience with Python, modern development techniques, and design patterns. Experience in data science tools and ML tools (e.g., NumPy, pandas, scikit-learn, PyTorch) and open-source contributions (especially Python-based) would be a bonus. Familiarity with CUDA, GPU-based computations, end-to-end neural network training, MLOps ...

Senior Software Engineer

Hiring Organisation
UK Telecoms lab
Location
Solihull, West Midlands, United Kingdom
Employment Type
Permanent, Part Time
technical stakeholders and make a positive contribution to the organisation. You are technology-agnostic, ideally a polyglot programmer, and already using Linux and open-source technologies day to day. Youre someone who: Has experience working in Agile teams Understands and applies DevOps/DevSecOps practices Uses strong software ...

Software Engineer (Rust)

Hiring Organisation
Microtech Global Ltd
Location
Cambridgeshire, East Anglia, United Kingdom
Employment Type
Permanent
computer architecture; some experience with assembly languages (x86, RISC-V); familiarity with hardware design is a plus. - Good knowledge of Linux. - Experience contributing to open source projects. - Higher degree levels and academic research experience are highly valued. ...

Cloud Architect- eDV Cleared

Hiring Organisation
Searchability NS&D
Location
Manchester, Lancashire, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £115,000 per annum, Negotiable
commute to Manchester.- Experience as a hands-on cloud architect CLOUD ARCHITECT ESSENTIAL SKILLS- Expertise in delivering AWS Cloud native solutions- Background in Open-source technologies and frameworks- Experience with micro-service based architectures- Experience working with structured architecture approaches (TOGAF or SAFe)- Leadership and stakeholder management experience ...

Cloud Architect- eDV Cleared

Hiring Organisation
Searchability NS&D
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£65,000 - £120,000 per annum, Negotiable
commute to London.- Experience as a hands-on cloud architect CLOUD ARCHITECT ESSENTIAL SKILLS- Expertise in delivering AWS Cloud native solutions- Background in Open-source technologies and frameworks- Experience with micro-service based architectures- Experience working with structured architecture approaches (TOGAF or SAFe)- Leadership and stakeholder management experience ...

Cloud Architect- eDV Cleared

Hiring Organisation
Searchability NS&D
Location
Cheltenham, Gloucestershire, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £115,000 per annum
commute to Cheltenham.- Experience as a hands-on cloud architect CLOUD ARCHITECT ESSENTIAL SKILLS- Expertise in delivering AWS Cloud native solutions- Background in Open-source technologies and frameworks- Experience with micro-service based architectures- Experience working with structured architecture approaches (TOGAF or SAFe)- Leadership and stakeholder management experience ...

Graduate Software Developer

Hiring Organisation
Newton Blue
Location
Bristol, Avon, South West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£30,000
their practical integration into products (e.g. for assisted data entry, summarisation, or knowledge retrieval) and experience with document AI platforms or frameworks (commercial or open-source). ...

AI Software Engineer

Hiring Organisation
Fruition Group
Location
North West London, London, United Kingdom
Employment Type
Permanent, Work From Home
similar) Consultancy or client-facing technology delivery experience Desirable: Experience with vector databases, embeddings, or model fine-tuning Cloud platform experience (AWS preferred) Open-source contributions or visible AI side projects This is not a research-focused post; it is suited to engineers who build, deploy and scale ...

Software Engineer

Hiring Organisation
Matchtech
Location
Portsmouth, Hampshire, United Kingdom
Employment Type
Permanent
Salary
£50000 - £70000/annum
candidates will design, implement, and maintain high-quality software solutions in an agile environment. You will work primarily in C++ using modern tools and open source frameworks, contributing to innovative software for advanced navigation and important systems. Key Responsibilities: Capture and evaluate technical requirements, estimating delivery timescales ...

Software Engineer

Hiring Organisation
Berg Search
Location
England, United Kingdom
Python or TypeScript , or the ability to quickly learn new technologies. Experience building and shipping AI-driven products end-to-end (startup, personal projects, open source, or enterprise). Comfort working across the stack (frontend, backend, and infrastructure). Ability to collaborate with both technical and non-technical ...

.NET Developer

Hiring Organisation
Reed Technology
Location
Newcastle Upon Tyne, Tyne and Wear, North East, United Kingdom
Employment Type
Permanent
Salary
£55,000
What You'll Be Working On You'll help build a modern, cloud-first application from the ground up, leveraging the latest Microsoft and open-source technologies. Expect to work with: MS .NET (latest versions) React for a clean, dynamic front-end Microservices architecture Azure cloud services Modern ...

AI Software Engineer

Hiring Organisation
Fruition Group
Location
Leeds, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£90,000
Augmented Generation (RAG), vector databases, or embeddings Experience with cloud platforms (AWS preferred) Awareness of emerging AI tooling (e.g. MCP, A2A, Threads or similar) Open-source contributions or side projects, particularly involving scalable systems or AI This role is best suited to software engineers who enjoy building reliable ...

CoPilot Architect

Hiring Organisation
HCLTech
Location
London, UK
CISSP, or equivalent. • Experience with AI policy bodies, standards organizations, or government advisory panels. • Familiarity with cross-border data flows, emerging AI regulations, and open-source AI projects. Behavioral Competencies • Strategic Visionary: Anticipates AI trends, shapes long-term roadmaps, and aligns technology with business goals. • Executive Collaborator: Builds ...

Design Engineer

Hiring Organisation
Valyu
Location
London, England, United Kingdom
GCP. Familiarity with search systems, information retrieval, or knowledge management. Experience working directly with users or clients in any capacity. Contributions to open-source projects. Why Join You'll work on genuinely hard problems at the intersection of AI, search, and product design. You'll have direct impact ...

Rust Developer

Hiring Organisation
AEJ Consulting Ltd
Location
City of London, London, United Kingdom
/EMS connectivity, or direct exchange co-location experience SIMD, vectorisation, or GPU offloading for numerical workloads; eBPF for observability or network instrumentation Open-source Rust contributions, published crates, or ring-buffer/LMAX Disruptor pattern experience What We're Looking For You find the bottleneck before anyone ...

Senior Software Engineer (£80k + 15% bonus)

Hiring Organisation
Morson Edge
Location
Manchester, North West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£80,000
Great opportunity for a Senior Software Engineer to join a mission-driven organisation building systems that process and verify complex open-source information. You'd join a small engineering department and would work in a cross functional product team responsible for building highly scalable, cloud-native, serverless systems ...

Performance Tester

Hiring Organisation
Arrows
Location
London, UK
What we’re looking for: 5+ years’ experience in non-functional/performance testing for large-scale applications. Hands-on experience with Gatling and open-source performance tools. Strong knowledge of CI/CD tools (Jenkins, GitHub Actions, Gradle/Maven). Skilled in monitoring/logging with ...

Senior Platform Engineer

Hiring Organisation
Lawrence Harvey
Location
City of London, London, United Kingdom
depth cyber security experience and building platforms/infrastructure with security built in at code level. Expert level knowledge of Terraform, Python and open-source databases (Postgres & Clickhouse a bonus) Experience working in fast-paced, top tier financial institutions. If you’re an experienced Platform Engineer looking ...