1 to 25 of 39 Open Source Jobs in the South East

Senior Account Executive

Hiring Organisation
Tangent International
Location
Basingstoke, Hampshire, UK
Employment Type
Full-time
Account Executive – EMEA B2B SaaS/Data Infrastructure/IoT/Streaming/Open Source Join a profitable, well-funded global software company building the backbone of real-time connectivity for modern enterprises. This company is the creator of one of the world's most widely adopted open-source messaging and data streaming platforms, trusted by developers and enterprises to power mission-critical systems across IoT, industrial automation, energy, automotive, financial services, AI, and event-driven architectures. With deep roots in open source and a strong engineering-led culture, the platform is used globally ...

Senior Software Engineer

Hiring Organisation
Ossprey Security
Location
Newport, Isle of Wight, UK
Employment Type
Full-time
Hiring for: Multiple founding-level engineering roles About Ossprey Ossprey is a UK based cybersecurity company building real time protection against malicious activity in open source software and software supply chains. We have recently closed our pre seed round, with an announcement coming soon, and we are moving … beta already in place, we are scaling the engineering team to build the platform, expand detection coverage, and shape a product experience that makes open source risk obvious and actionable. Where did we begin? In 2021, a major compromise in the NPM package UAParser affected tens of thousands ...

GenAI Architect

Hiring Organisation
HCLTech
Location
Slough, Berkshire, UK
Employment Type
Full-time
FinOps & Model Routing • Framework Expertise: Hands-on development experience with one or more orchestration frameworks (e.g., LangChain, LlamaIndex, Semantic Kernel). • Thought Leadership & Open Source: Published work (whitepapers, patents), conference speaking engagements, or active contributions to relevant open-source projects. • Certifications: Professional-level cloud certifications (e.g. ...

AI Architect

Hiring Organisation
Hirexa Solutions UK
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
FinOps & Model Routing Framework Expertise : Hands-on development experience with one or more orchestration frameworks (e.g., LangChain, LlamaIndex, Semantic Kernel). Thought Leadership & Open Source : Published work (whitepapers, patents), conference speaking engagements, or active contributions to relevant open-source projects. Certifications : Professional-level cloud certifications (e.g. ...

Senior Robotics Engineer

Hiring Organisation
Lawrence Harvey
Location
Oxfordshire, England, United Kingdom
across a global fleet What they’re looking for: Proven industry experience or a strong academic robotics background Evidence of real work - deployed systems, open-source contributions, competitions etc. Strong experience with ROS 2, C++, and Python Solid Linux fundamentals, Git, CI/CD, and containerization Strong communication … bonus if you have: • LiDAR sensor integration expertise • Experience designing robotics software at scale • LiDAR-based SLAM, segmentation, or perception pipeline experience • Contributions to open-source robotics They move fast. Standards are high. Ownership is real. On-site x3 days per week in Oxfordshire. If you want ...

Java Engineer

Hiring Organisation
Profile 29
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£50,000
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) Other Stuff NB: Please only apply if you are a UK National ...

Principle Java Engineer

Hiring Organisation
Profile 29
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£75,000
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) Other Stuff NB: Please only apply if you are a UK National ...

Lead Full Stack Developer

Hiring Organisation
Couch Heroes
Location
Woking, Surrey, UK
Employment Type
Full-time
equivalent observability and monitoring tools. Experience with OAuth2/JWT authentication flows and identity management. Experience with Golang or additional backend languages. Contributions to open-source projects or technical writing that demonstrates systems thinking. About You You lead by example. You are hands-on when needed and empowering ...

Lead Full Stack Developer

Hiring Organisation
Couch Heroes
Location
Oxford, Oxfordshire, UK
Employment Type
Full-time
equivalent observability and monitoring tools. Experience with OAuth2/JWT authentication flows and identity management. Experience with Golang or additional backend languages. Contributions to open-source projects or technical writing that demonstrates systems thinking. About You You lead by example. You are hands-on when needed and empowering ...

Head of Engineering Java Node React

Hiring Organisation
Interact Consulting Limited
Location
Abingdon, Oxfordshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
with experience working with all levels of business. ** A background of leading teams of Engineers writing business critical/complex solution in polyglot/opensource languages (java, Golang, Python etc) ** Manage teams capacity, estimation to ensure the team is able to provide an appropriate view of work and suggest potential ...

Head of Software Engineering

Hiring Organisation
Interact Consulting Limited
Location
Milton Keynes, Buckinghamshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
working with all levels of business. ** A background of leading/managing teams of Engineers writing business critical/complex solution in polyglot/opensource languages (java, Golang, Python etc) ** Manage teams capacity, estimation to ensure the team is able to provide an appropriate view of work and suggest potential ...

Software Engineer Back End Java, Spring, GCP

Hiring Organisation
PeopleWorks Consultancy Limited
Location
Basildon, Essex, South East, United Kingdom
Employment Type
Contract
Contract Rate
£500 per day Inside IR35
complex backend systems that meet both business goals and technical feasibility. > Manage relationships with key stakeholders, balancing their needs with technical constraints, and facilitating open technical communication are also crucial aspects of this role. Essential Skills & Experience: Software Engineer Back End Java, Spring, GCP # Extensive multi-year engineering … Java o Spring Boot o JUnit o GCP (Google Cloud Platform) o GitHub o Jetbrains products (e.g., IntelliJ IDEA) o Fossa (or similar open-source licence compliance tools) o SonarQube (or similar code quality analysis tools) o Checkmarx (or similar static application security testing tools) o Cycode ...

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 ...

(Senior) Computational Scientist

Hiring Organisation
BioTalent
Location
Oxford, England, United Kingdom
rigorous, detail-oriented mindset with commitment to reproducibility and benchmarking Desirable: Experience with microbial genomics, long-read sequencing, workflow management systems, cloud environments, or open-source bioinformatics contributions. ...

Rust Developer

Hiring Organisation
Huxley Associates
Location
Slough, Berkshire, UK
Employment Type
Full-time
/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 Linux Infrastructure Engineer

Hiring Organisation
Sopra Steria
Location
Portsmouth, Hampshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
25 days holidays, 6% Contributory pension, 4 x life Insurance
Portsmouth OR Salisbury site, 2 days home working. What you'll be doing: Oversee and enhance Linux platform capabilities. Develop and maintain open-source and commercial tooling. Provide expert 3rd line technical support, mentoring, and fault resolution for 1st/2nd line teams. Act as a subject matter ...

Cloud Engineering Consultant

Hiring Organisation
Sanderson Government and Defence
Location
Newbury, Berkshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£50,000
manage secure, resilient infrastructure within a high-security cloud services environment for our Cyber Solutions Client. You'll have the opportunity to work across open-source, Microsoft, hybrid, and public cloud technologies, supporting escalated incidents, driving automation, contributing to projects, and enhancing overall security posture. You'll bring ...

Platform Lead / Engineering Manager

Hiring Organisation
JLR Search Ltd
Location
RH2, Reigate, Surrey, United Kingdom
Employment Type
Permanent
Salary
£110000 - £125000/annum 25% Bonus + Excellent Benefits
Cilium Kyverno Karpenter Python Golang Kanban CNCF Stack GitOps/CD Policy as Code IaC Observability Visible presence in the cloud native community through open source contributions, community engagement, or conference speaking would be amazing but not essential. ...

Lead AI Architect

Hiring Organisation
Tenth Revolution Group
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£95,000 - £110,000 per annum
architecture roadmaps, operating models and solution designs Design scalable AI architectures integrating with cloud and insurance-specific systems Select and recommend appropriate cloud, open-source and third-party AI technologies Support delivery of pilot and production AI use cases alongside data scientists and engineers Champion responsible and ethical ...

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 ...

AI Engineer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£160,000 - £180,000 per annum
collaborating closely with a highly technical team. Strong academic background in a relevant subject and/or evidence of high-calibre research or open-source work is highly valued. What They Offer Base salary up to £185000, with potential flexibility for exceptional profiles. Meaningful equity package, giving ...

Senior Design Verification Engineer

Hiring Organisation
Berkeley Square - Talent Specialists in IT & Engineering
Location
Slough, Berkshire, UK
Employment Type
Full-time
issues Collaborate closely with hardware designers on new and existing projects Manage test suites, coverage, and CI infrastructure Contribute to internal tools and open-source verification projects Key requirements: 3+ years' experience in FPGA or ASIC functional verification Strong SystemVerilog skills (UVM or similar frameworks) Experience with functional ...

Web Application Developer

Hiring Organisation
Shepherd Reardon
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£25,000 - £40,000 per annum
preferably in a science/engineering/numerate discipline you will have least 1 year of hands-on C# development or other open-source software development which could have been obtained during university studies or your personal time. Additionally you must have experience of working on a website ...

Embedded Software Engineer

Hiring Organisation
Sanderson Government and Defence
Location
Southampton, Hampshire, South East, United Kingdom
Employment Type
Permanent
test/integration phases and experience of modern DevOps practices Knowledge of latest System on Chip (SoC) devices, Software Defined Radio (SDR) platforms and open-source frameworks such as OpenCPI. Good understanding of Digital Signal Processing (DSP) algorithms and experience of modelling or simulation algorithms using MATLAB ...

Principal Data Engineer

Hiring Organisation
Shaw Daniels Solutions
Location
Southampton, UK
Employment Type
Full-time
Cloud-native architectures, including Kubernetes, serverless, and Infrastructure as Code. Data mesh or decentralised data architecture implementations. Model Context Protocol (MCP) for data assets. Open-source contributions or active participation in the data engineering community. ...