1 to 25 of 39 Open Source Jobs in the Thames Valley

Senior Solution Architect, k0rdent AI (remote in the UK)

Hiring Organisation
Mirantis
Location
Slough, Berkshire, UK
Employment Type
Full-time
infrastructure company, enabling organizations to build and operate scalable, secure, and sovereign infrastructure for modern AI, machine learning, and data-intensive applications. By combining open source innovation with deep expertise in Kubernetes orchestration, Mirantis empowers platform engineering teams to deliver composable, production-ready developer platforms across any environment … driven workloads, Mirantis delivers the automation, GPU orchestration, and policy-driven control needed to manage infrastructure with confidence and agility. Committed to open standards and freedom from lock-in, Mirantis ensures that customers retain full control of their infrastructure strategy. Job Description Mirantis is inviting an experienced and client ...

Software Engineer

Hiring Organisation
Oscar Associates (UK) Limited
Location
Oxford, Oxfordshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£55,000
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. This role is perfect for a mid-level Software Engineer who wants to take on exciting projects while benefiting from mentorship and guidance from a supportive senior engineering team. You'll join an engineering team of around 12 developers, working in a collaborative environment ...

Senior Software Engineer - Backend

Hiring Organisation
Zettafleet
Location
High Wycombe, Buckinghamshire, UK
Employment Type
Full-time
like to acknowledge that almost no candidate checks every box – and that is perfectly fine. If you are passionate about solving complex challenges and open to learning new technologies, we would love to hear from you. How we work: We are a small, early-stage team with big ambitions. … motivated by impact tend to thrive. Nice to have: Machine Learning: Experience in generative models, LLMs, multi-modal models and Deep Learning more generally. Open-source: Contributions to and experience in open-source projects. Startup experience: Experience in an early-stage startup environment. Why join ...

Senior Software Engineer - Backend

Hiring Organisation
Zettafleet
Location
Slough, Berkshire, UK
Employment Type
Full-time
like to acknowledge that almost no candidate checks every box – and that is perfectly fine. If you are passionate about solving complex challenges and open to learning new technologies, we would love to hear from you. How we work: We are a small, early-stage team with big ambitions. … motivated by impact tend to thrive. Nice to have: Machine Learning: Experience in generative models, LLMs, multi-modal models and Deep Learning more generally. Open-source: Contributions to and experience in open-source projects. Startup experience: Experience in an early-stage startup environment. Why join ...

Senior Software Engineer - Backend

Hiring Organisation
Zettafleet
Location
Oxford, Oxfordshire, UK
Employment Type
Full-time
like to acknowledge that almost no candidate checks every box – and that is perfectly fine. If you are passionate about solving complex challenges and open to learning new technologies, we would love to hear from you. How we work: We are a small, early-stage team with big ambitions. … motivated by impact tend to thrive. Nice to have: Machine Learning: Experience in generative models, LLMs, multi-modal models and Deep Learning more generally. Open-source: Contributions to and experience in open-source projects. Startup experience: Experience in an early-stage startup environment. Why join ...

Senior Software Engineer, C++

Hiring Organisation
Ripple
Location
Slough, Berkshire, UK
Employment Type
Full-time
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 ...

Solutions Engineer

Hiring Organisation
Formance
Location
Slough, Berkshire, UK
Employment Type
Full-time
ground up, focusing on the flow of funds first to help businesses realize their product visions on a solid financial foundation. Starting with an Open Source Ledger (i.e. a database for financial transactions), we're building a comprehensive suite of modern financial backend modules, including native and automated … leading SaaS companies and financial institutions like Booksy, Doctolib, and Liberis, along with many others worldwide. Our success stems from the trust in our open-source foundation, the high level of programmability of our solutions, and our software-first approach, moving beyond traditional payment business models. ...

Design Verification Engineer

Hiring Organisation
Platform Recruitment
Location
Slough, Berkshire, UK
Employment Type
Full-time
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 ...

Backend Engineer (Distributed Systems Engineer)

Hiring Organisation
TechChain Talent
Location
Slough, Berkshire, UK
Employment Type
Full-time
that scale across thousands of nodes • Performance-critical modules for consensus, networking, and data pipelines • Internal tooling for observability, testing, and simulation • Contributions to open-source infra and protocol-level primitives What You Bring • 5+ years of backend engineering experience in systems-level environments • Deep knowledge of distributed … cloud-native infra • Familiarity with blockchain, cryptographic protocols, or decentralized coordination Bonus Points • Experience in zero-knowledge systems, MPC, or verifiable computation • Contributions to open-source infra projects • Prior work in Layer 1 or Layer 2 blockchain development Why Join • Stealth-stage impact with protocol-grade ownership • Competitive ...

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 ...

Senior Staff Engineer (Machine Learning) - 45391

Hiring Organisation
Turing
Location
High Wycombe, Buckinghamshire, UK
Employment Type
Full-time
Science, Engineering, or related field (PhD preferred). Nice to Have: Experience building Agentic applications Experience training or fine-tuning foundation models. Contributions to open-source ML or LLM frameworks. Understanding of Responsible AI, bias mitigation, and model interpretability. Perks of Freelancing With Turing: Work in a fully ...

Senior Full Stack Engineer (Golang/Typescript/Kubernetes)

Hiring Organisation
Safe Intelligence
Location
Slough, Berkshire, UK
Employment Type
Full-time
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 ...

Machine Learning Engineer

Hiring Organisation
Higher - AI recruitment
Location
Slough, Berkshire, UK
Employment Type
Full-time
software engineering skills with a focus velocity Excellent communication skills and the ability to flourish in a team Located in London/Paris and open to working in office Tech Stack: Python FastAPI Python, Typescript, or React Open source LLMs Building for production Benefits Currently Offered (likely ...

AI Engineer Consultant

Hiring Organisation
83zero Limited
Location
Reading, Berkshire, South East, United Kingdom
Employment Type
Contract, Work From Home
Engineer/ML Engineer delivering AI into production Strong Python development skills Hands-on experience with LLMs (commercial and/or open-source) Experience building APIs and services around AI models Cloud experience (AWS, Azure or GCP) Familiarity with vector databases, embeddings and modern AI architectures Comfortable working ...

Software Systems Engineer / Senior Software Systems Engineer

Hiring Organisation
Diamond Light Source
Location
Didcot, Oxfordshire, South East, United Kingdom
Employment Type
Permanent
Salary
£65,000
Harwell Campus, Oxfordshire - primarily based onsite About Us Diamond Light Source is one of the most advanced scientific facilities in the world. It houses the UKs synchrotron light source, producing beams ofextreme intensitywith a spectral range spanning far-IR to hard X-rays for probing the structure … environment, using embedded systems for direct control of the instrumentation, together with Linux workstations for the operator interfaces. These systems make extensive use of open-source software, including the EPICS Distributed Control System tool kit. The distributed control systems comprise a wide range of technical domains such ...

Junior C++ Engineer

Hiring Organisation
Harrington Starr
Location
Slough, Berkshire, UK
Employment Type
Full-time
distributed systems, concurrency, or network programming Experience working with low-latency or real-time systems Familiarity with trading platforms, data pipelines, or simulation tools Open-source contributions or personal technical projects that demonstrate initiative Contact Ciara Clarke at Harrington Starr for a confidential discussion. ...

DevOps Engineer

Hiring Organisation
Autonomai Recruitment
Location
Slough, Berkshire, UK
Employment Type
Full-time
optimization affects performance Next-generation simulation and HPC compute pipelines, supporting ML/AI workflows at scale. Integration and continuous improvement of internal and open-source tools for automation and reliability. Strategic platform direction: shaping foundational systems for critical infrastructure in an elite trading environment. Team and Culture ...

Senior Software Engineer

Hiring Organisation
Formula Recruitment
Location
Oxford, Oxfordshire, UK
Employment Type
Full-time
cloud-native), Terraform This is a great opportunity for a Senior Software Engineer who: Has experience building cloud-native software and platform solutions using open-source services Is passionate about solving problems at a huge scale Is self-motivated and savvy at building relationships with stakeholders, with ...

Senior Software Engineer

Hiring Organisation
Formula Recruitment
Location
Reading, Berkshire, UK
Employment Type
Full-time
cloud-native), Terraform This is a great opportunity for a Senior Software Engineer who: Has experience building cloud-native software and platform solutions using open-source services Is passionate about solving problems at a huge scale Is self-motivated and savvy at building relationships with stakeholders, with ...

Senior Software Engineer

Hiring Organisation
Formula Recruitment
Location
Milton Keynes, Buckinghamshire, UK
Employment Type
Full-time
cloud-native), Terraform This is a great opportunity for a Senior Software Engineer who: Has experience building cloud-native software and platform solutions using open-source services Is passionate about solving problems at a huge scale Is self-motivated and savvy at building relationships with stakeholders, with ...

LLM Engineer

Hiring Organisation
Ultralytics
Location
Slough, Berkshire, UK
Employment Type
Full-time
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. ...

Lead Software Engineer

Hiring Organisation
Burns Sheehan
Location
Slough, Berkshire, UK
Employment Type
Full-time
solving ambiguous and complex challenges. Experience working on software infrastructure or building Cloud native software using Kubernetes. Understanding of systems design and Open Source components. If you have knowledge of building virtual machines - Virtual servers, virtual networking or network programming - that's a plus... but definitely not needed ...

Artificial Intelligence Researcher

Hiring Organisation
microTECH Global LTD
Location
Slough, Berkshire, UK
Employment Type
Full-time
preferences. Collaborate with researchers, engineers, and human feedback teams to build scalable alignment pipelines. Publish findings in top-tier AI conferences and contribute to open-source frameworks. Key Requirements: PhD in Computer Science, Machine Learning, or related field. Publications at NeurIPS, ICML, ICLR, ACL, or related venues. Deep ...

Principal AI Interaction Engineer

Hiring Organisation
Engineered Arts
Location
Oxford, Oxfordshire, UK
Employment Type
Full-time
ambiguous problem spaces Nice to have Experience working with robots or physically embodied systems Background in computer graphics or animation pipelines Publications, patents, or open-source contributions in relevant areas Experience mentoring other engineers or influencing technical direction Familiarity with real-time or production AI systems Education Master ...

Principal AI Interaction Engineer

Hiring Organisation
Engineered Arts
Location
Reading, Berkshire, UK
Employment Type
Full-time
ambiguous problem spaces Nice to have Experience working with robots or physically embodied systems Background in computer graphics or animation pipelines Publications, patents, or open-source contributions in relevant areas Experience mentoring other engineers or influencing technical direction Familiarity with real-time or production AI systems Education Master ...