1 to 25 of 145 Software Engineer Jobs in the Thames Valley

About Us Software helps to enable the world-leading science performed at Diamond. Our software systems facilitate operations at all levels, including the low-level control of synchrotron and beamline hardware, the planning, execution and monitor of experiments, data archiving and retrieval, data processing and visualisation, the application for beamtime, and capture of remote experiment plans and samples. … Our software engineers work alongside our scientists to develop innovative and robust solutions to keep Diamond at the forefront of scientific research. At Diamond we are currently undertaking a major upgrade of the facility, known as Diamond-II. Diamond-II will combine a new machine and new beamlines with a comprehensive series of upgrades to optics, detectors, sample environments … sample delivery capabilities and computing, which will ultimately generate an even more brilliant light source at a higher energy. About the Role We now have an opportunity for a software engineer within the DAQ group team that supports and develops software for Diamonds Soft Condensed Matter(SCM)and Crystallography(X)science groupson a 4-year fixed term More ❯

Software Engineer, Python, COR7356 This is an excellent opportunity for a junior-to-mid-level Software Engineer to join an established, innovative Medtech company, originally spun out of Oxford University. The Software Engineer will use prior commercial experience of Python to develop state-of-the-art medical imaging software and techniques to support … business development and growth. Working closely with the CTO as part of a dedicated development team working to develop state-of-the-art medical imaging software, the Software Engineer will: Work with a mature Python/Django codebase to further develop clinical products which give diagnostics information to clinicians Work with machine learning concepts to develop existing … administer documented procedures around quality and cybersecurity Monitor and optimise system performance, availability, and security, troubleshooting/resolving issues across cloud, network and Linux-based systems The Company The Software Engineer will be joining an established Oxford-university spinout, paving the way in the diagnosis of disease. They are a company who are truly making a difference, with More ❯

Senior Software Engineer (Python) – Reducing Carbon Emissions with Machine Learning! Python on AWS £90-£110,000 per annum plus stock London Office - 1-2 days a week Are you a Senior Software Engineer with a passion for working with curious, humble colleagues to build exceptional customer-focused products using Python? Do you align with their principles … Work as much as you want, where you want” - giving Software Engineers the autonomy and support to perform at their best? Do you want to be part of a period of significant growth and opportunity, shaping elegant solutions to complex challenges and guiding engineering excellence? Then this is a role you should explore... Senior Software Engineer (Python … We are working with one of the UKs most exciting scale-ups to find them Senior Software Engineers with exceptional knowledge of building great products in Python on AWS. They use machine learning technology to help tackle climate change by reducing carbon emissions. They are at a critical period in their journey and will be growing their engineering function More ❯

Senior to Principal Software Engineer | Mission-led Fintech - Hybrid London Here’s the thing. If you’re a Senior, Staff, or Principal Software Engineer who wants serious impact without the ego-fest, this will probably speak to you. I’m partnering with a fast-growing fintech that helps millions manage how they earn, save, and spend … and data you can do something with. Proper ownership. Fast cycles, low ceremony, and room to shape architecture while mentoring others. What you’ll work with as a Staff Software Engineer Stack: Python, TypeScript, React, Svelte, PostgreSQL, Snowflake, AWS. Setup: Cross-functional squads that care about outcomes, not ticket-ticking. You’ll improve scalability, evolve architecture, and still … days annual leave, enhanced parental benefits, private healthcare Sabbatical and volunteering leave Tax-efficient pension and flexible benefits schemes If you’ve been looking for a Principal or Senior Software Engineer role in London where you can build for scale and feel good about the outcome, let’s talk. Drop me a message here or email your CV. More ❯

Lead Software Engineer | Reading | £70-90k Do you have experience with embedded systems & AI? A fast-growing company in Reading is looking for someone like you to lead their Software Development team. You'll be able to lead the direction of the software architecture while working on real-life environmental solutions making the world a … greener, and safer place. Responsibilities as a Lead Software Engineer: + Full ownership of the software used on the companys modules & lead development & maintenance of applications for the main system + Mentorship of junior engineers, taking the lead in the companys culture + Developing embedded systems and AI models Required skills for Lead Software Engineer: + Have held a leading software engineer role for a number of years + Proficiency with scripting languages like Python + Proficiency in C++ and Computer Vision + Experience developing control mechanisms for automation + Experience with embedded software development (microcontrollers etc.) Desirable skills: + Experience designing low power automated systems + AWS knowledge + Experience More ❯

Working for an industry leading, high-growth SaaS business with some of the biggest brand names in the world as customers, the Senior Software Engineer will build innovative next-gen solutions that are at the forefront of the industry. In this role, the Senior Software Engineer will be given full autonomy, taking ownership from design phase … systems (some frontend too, if you like). This area is the future of the company (and the industry!) and as such has strong investment and visibility. The Senior Software Engineer will be responsible for leading the design, build and deployment of industry leading software solutions. You’ll work in collaboration with product, design and the wider … engineering team to improve and scale existing features, as well as build brand new ones. The Senior Software Engineer will have: • Strong backend or full-stack software development experience • Strong coding experience in either Java, Golang (Go), Python or Scala – multiple would be even better! • Experience with cloud platforms e.g. AWS, Azure, GCP - Google Cloud • Experience with More ❯

Principal Software Engineer | C++ | Python | Linux Oxfordshire | Hybrid £65,000pa plus benefits: Do you enjoy technically leading and mentoring a team of Software Engineers utilising C++ & Python on Linux, passing on your knowledge and experience to help nurture and develop future Engineers? If so, this Principal Software Engineer role will be perfect for you. Our … client has seen rapid growth over the last few years, and to help develop their talented team of Software Engineers, they now seek a Principal Software Engineer who can technically lead, mentor and develop during an exciting period of innovation. On a day-to-day basis you will develop and support software applications and drivers for … a range of products. You will be technically responsible for ensuring projects meet internal and external customer requirements and completing concept designs through to production. The successful Principal Software Engineer will need the following qualification, experience and skills: A degree in a Software Engineering, Mathematics or Science/Materials subject Experience in ARM based software developments More ❯

Robotics Software Engineer | Robotics | Harwell – Hybrid | £55,000pa - £65,000pa plus share scheme & benefits: A once in a lifetime opportunity has arisen for a passionate Robotics Software Engineer to join a stealth robotics company based in the Oxfordshire area. This amazing business and AUV submersible robot have massive potential across a range of different industry sectors. … The Robotics Software Engineer will be responsible for the design, development, and integration of advanced software for next-generation underwater unmanned platforms using C++, Python on ROS/ROS2. This role will play a pivotal part in driving control, autonomy, perception, and mission-critical software for submersible robotic systems. If you’re passionate about robotics and … the autonomous vehicle and unmanned vehicle industry, you honestly need to make contact with us, this Robotics Software Engineer role is not to be missed. Candidates must be British Citizens or have lived in the UK for a minimum of 5 years, due to needing SC clearance. Key Responsibilities: Design, and development of software for autonomous underwater More ❯

Lead Software Engineer | Distributed Systems | Sustainable Cloud Native Platform 💸Up to £130,000 per annum plus bonus plus stock 🏠Central London office 🖱️Golang, Rust, C, Kubernetes, Linux, Cloud Native, Distributed systems... Are you a Lead Software Engineer with extensive knowledge of building distributed systems? Looking to join a company who are solving genuine problems that disrupt … real impact on projects? If so... I'm partnered with a very exciting Cloud scale-up who have received record Series A funding and are looking for innovative Lead Software Engineers to join their ambitious team! With a new VP of Engineering who has spent much of their career building out a world leading Cloud platform, the team are … build out state-of-the-art, Greenfield code which can focus on being the worlds most accountable and sustainable cloud provider🌳 What they're looking for in a Lead Software Engineer: Tech agnostic but preferable experience working with Golang, Rust, Java and/or C/C++. In-depth knowledge of distributed systems, building solutions at scale where More ❯

Step into a world where innovation meets impact. This exciting opportunity as a Principal Software Engineer offers you the chance to be part of a forward-thinking company that is revolutionising defence technology. Contributing to cutting-edge solutions, you will play a pivotal role in delivering advanced systems that redefine security and trust on a global scale. With … and the chance to work on meaningful projects that truly make a difference. What You Will Do: - Lead the architecture, design, development, documentation, and testing of embedded and application software for multiple concurrent research, development, and production programmes. - Apply object-oriented design techniques to enable code re-use and seamless integration with testing frameworks. - Review system design artefacts and … derive software requirements and architecture to meet high-level system needs. - Design and maintain software using modelling tools, ensuring accurate code generation where required. - Contribute to the Software Community of Practice, proposing improvements to tools, processes, and techniques to enhance efficiency and innovation. - Mentor and coach junior engineers, sharing knowledge and expertise to foster growth and development. More ❯

Senior Software Engineer Key Technologies: C#, .NET, React, AWS, Docker, Kubernetes City of London, United Kingdom Perm Role: £80,000 - £120,000 Harrington Starr has partnered with a Global Financial Services Vendor and they are looking for a Senior C#, .NET Software Engineer to join their growing team! This role provides the perfect opportunity to launch … skills. Unrestricted right to work in the UK. This role offers hybrid working, with an office location based in the City of London. This role will suit a Senior Software Engineer, with expert C#, .NET experience and commercial use of React having a direct impact from the get-go. Apply below and if you have any questions, please More ❯

Software Engineer - 3D Tooling London £50,000 - £60,000 As a Software Engineer – 3D Tooling, you’ll be central to transforming complex real-time data into intuitive tools that bridge computational models and physical phenomena. Your work will help drive innovation in 3D interaction and projection mapping. What You’ll Be Doing Implement real-time projection … techniques on dynamic surfaces and particle systems. Develop internal 3D tooling for non-technical users, prioritising usability and rapid iteration. Integrate software with hardware control systems, building computational pipelines linking authoring tools to physical display platforms. Collaborate closely with cross-functional teams within software, electronics, and product, to transition prototype tools into customer-facing systems. What's required … for this Software Engineer - 3D Tooling opportunity? Strong experience programming in C++. Proficient in 3D graphics with OpenGL and OpenCL. Hands-on experience in real-time image processing, ideally with OpenCV. Understanding of geometric tracking, projection mapping, and real-time graphics optimisation. Understanding of 3D geometry, algorithms and system dynamics If you're skilled with 3D Graphics and More ❯

connect, transact, and succeed. With a diverse and dynamic team, we’re committed to driving impact, fostering collaboration, and shaping the future of global trade. The role: As a Software Engineer you will solve challenges and add value for our customers through your skills in technology. As a software engineer, you will be delivering new features … and are able to work with Engineering Managers and Product Managers to define and document architecture for new areas of the system, aligning to RedCloud’s architecture strategies. The Software Engineer is a consistent high performer delivering value into production regularly, consistently and with high quality. They are an idea contributor and innovator adding new value to the … team and the product. What you’ll be doing: Deliver Features and bug fixes in our software platforms for our customers. Resolve Bugs Resolve production Outages/issues Estimate Features/Bugs Architecture & Design Refine feature requirements Carry out code reviews Keeping pace with Technology What you’ll need: At least 3+ years of experience in software engineering More ❯

At a Glance Capsa is an AI platform that accelerates due diligence and deepens insights for Private Equity funds. We are hiring senior software engineers who are comfortable contributing across all layers of the application and developing features end to end. Details: Role : Senior Software Engineer - Full Stack Location : London, UK (Hybrid, In-Person 4 days a … companies like QinetiQ and retail tech startups such as Standard AI. The entire team consists of early-stage startup veterans passionate about building exceptional products. The Role A senior software engineer at Capsa is expected to own projects and features from conception to production, working across the stack to deliver improvements to our AI platform. Key responsibilities include … vision and will have a direct impact on its success. Have the opportunity for fast career growth. Enjoy yourself! Apply if: You have 4+ years of experience as a software engineer in a venture backed startup or top tech firm. You have taken entire products or features from ideation to production and you've measured their impact. You More ❯

Software Engineer – Prop Trading – London – Up to £100k Base + Bonus A leading systematic trading firm, who were the pioneers in the adoption of ML is looking to hire a Software Engineer to help evolve and optimise their core trading and data platform. The team builds everything in-house from low-latency trading infrastructure and data … a plus). Strong CompSci fundamentals and clean architecture principles. Interest in real-time systems, performance tuning or trading environments. The culture is open and highly collaborative, where every engineer contributes directly to production systems. For more information, please get in touch. james@durlstonpartners.com More ❯

Software Engineer Hybrid - London - 3 days a week £55,000 - £60,000 + Bonus & Benefits Our client is a FTSE100 market leading organisation who are looking for a Software Engineer to join their growing digital solutions team. You’ll be involved in ensuring solutions are scalable, secure and widely adopted across the business. You'll need … to demonstrate previous experience in using cloud services and modern software development. You’ll also be responsible for promoting best practices across the wider company and supporting teams in adopting them. We’re looking for candidates who possess the following: Experience with Azure Ecosystem Working on creating Proof of Concepts and prototypes Interest in emerging areas such as AI More ❯

Senior Software Engineer | Hybrid | London We are hiring for an innovative analytics software company powering global credit investment is expanding its engineering team and looking for a Senior Software Engineer to help shape its next generation of data products. This is a unique opportunity to influence the technical roadmap at a high-growth fintech scale More ❯

Software Engineer - Generative AI page is loaded Software Engineer - Generative AIlocations: Newbury, GBRtime type: Full timeposted on: Posted Todaytime left to apply: End Date: November 3, 2025 (19 days left to apply)job requisition id: Summary: VIAVI has a 90+ year history of technical innovations that have evolved to keep pace and address our customer's … most pressing business issues. We make equipment, software, and systems that help to plan, deploy, certify, monitor, and optimize all kinds of networks - like those for mobile phones, service providers, large businesses, and data centers. And we are also at the forefront of optical security - we bend light to develop and deliver optical solutions that provide security to the … science, product, and operations teams Champion responsible AI practices and safety mechanisms in all development work Pre-Requisites/Skills/Experience Requirements: Bachelor's degree in Computer Science, Software Engineering, or related field (Master's a plus) Extensive experience in professional software development Strong Python skills and a track record of delivering maintainable, well-tested code Experience More ❯

Senior C++ Software Engineer London Join a pioneering team developing advanced software for secure, high-performance communications. This is an opportunity to contribute to technology that supports public safety, defence, and government operations, working within an organisation that combines the innovation of a start-up with the stability of a globally established leader. You’ll play a … QA, and Architecture. If you’re passionate about engineering excellence, security, and reliability, this is a genuinely impactful role. In this role, you’ll design, build, and maintain C++ software for mission-critical communication systems while integrating with third-party platforms such as Motorola DCS and CADI. You’ll collaborate closely with cross-functional teams to deliver scalable and … secure solutions that perform under pressure. Your work will also involve participating in architecture discussions, contributing to code reviews, implementing best practices, and ensuring the software meets performance, reliability, and security standards. You’ll have the freedom to innovate and the responsibility to deliver technology that has real-world impact. What's required for this Senior C++ Software More ❯

Full Stack Software Engineer (Java Focus) Location: Flexible/Hybrid - Burnham Number of Openings - 4 About Us One of our strategic Partners is looking to build out their Software Engineering team focused on Java Full Stack Development. They are a SaaS Company and a leader in full-stack automation fabric solutions Their global team of automation experts … One Team Make Your Own Weather Obsess over Customer Success Work the Problem Be Curious Own the Outcome Respect Each Other The Role We are seeking a Full Stack Software Engineer with a strong focus on Java to join our growing engineering team. In this role, you’ll design, build, and maintain robust and scalable full-stack applications … testing, deployment, and support. Write clean, maintainable, well-documented code following best practices. Implement automated tests (unit, integration, and end-to-end) to ensure quality. Troubleshoot, debug, and resolve software defects and production issues. Contribute to architectural discussions to ensure scalability, security, and performance. Mentor junior engineers and foster a culture of continuous improvement. What You’ll Bring Bachelor More ❯

Full Stack Software Engineer (Java Focus) Location: Flexible/Hybrid - Burnham Number of Openings - 4 About Us One of our strategic Partners is looking to build out their Software Engineering team focused on Java Full Stack Development. They are a SaaS Company and a leader in full-stack automation fabric solutions Their global team of automation experts … One Team Make Your Own Weather Obsess over Customer Success Work the Problem Be Curious Own the Outcome Respect Each Other The Role We are seeking a Full Stack Software Engineer with a strong focus on Java to join our growing engineering team. In this role, you’ll design, build, and maintain robust and scalable full-stack applications … testing, deployment, and support. Write clean, maintainable, well-documented code following best practices. Implement automated tests (unit, integration, and end-to-end) to ensure quality. Troubleshoot, debug, and resolve software defects and production issues. Contribute to architectural discussions to ensure scalability, security, and performance. Mentor junior engineers and foster a culture of continuous improvement. What You’ll Bring Bachelor More ❯

Founding Software Engineer 📍 Hybrid — London/Athens 🕒 Full-time | Mid/Senior Level 🚀 Founding Team About Us Inferity is transforming how teams search, analyze, and understand frontline video. From hours of unstructured body cam or incident footage to complex multi-source workflows, our AI-driven platform turns video into structured, decision-ready insights. We’re building AI agents … that reason across video, audio, language, and metadata, powering real-world workflows where accuracy, speed, context, and clarity are essential. The Role We’re looking for a Founding Software Engineer to lead backend and infrastructure development for our category-defining video understanding product. From data ingestion pipelines to scalable APIs, you’ll blend backend engineering and DevOps to More ❯

Python Software Engineer – High-Frequency Trading We're working with a high-frequency trading (HFT) firm that is looking to expand its technology team with a Python Software Engineer. This is an opportunity to join a trading firm operating at the cutting edge of global markets, where technology and speed are paramount. They build and run highly … that compete across major global exchanges. You’ll work on some of the most complex and rewarding engineering challenges in the financial technology space. The Role As a Python Software Engineer, you’ll collaborate with traders, quantitative researchers, and other developers to design, develop, and optimise trading infrastructure. You’ll be directly contributing to systems that operate at … time systems, or algorithmic trading. Why Apply? Opportunity to work on high-impact systems used in live trading. Collaborate with some of the brightest minds in quantitative finance and software engineering. Competitive compensation package with a base salary, plus bonus. We are reviewing applications on a rolling basis. If this role sounds like a fit, apply now to learn More ❯

Step into the future of defence technology with an exceptional opportunity as a Senior Software Engineer. If you're passionate about innovation and looking to make a real impact, this role offers you the chance to work on cutting-edge projects that redefine what's possible in the industry. Join a forward-thinking team that values excellence, creativity, and … career development. What You Will Do: Define, design, develop, and test embedded and application software to deliver high-quality solutions on time. Apply object-oriented design techniques to ensure code reusability and integration with testing frameworks. Review system design artefacts to derive software requirements and architecture that meet high-level system needs. Use modelling tools like RSA and … EA to document and maintain software designs, ensuring accuracy for code generation. Contribute to bids and proposals by generating technical estimates and identifying associated risks. Propose and implement improvements in tools, processes, and techniques to enhance software development efficiency. What You Will Bring: A degree in an engineering, mathematical, or science-based subject, or equivalent experience. Proficiency in More ❯

Principal Software Engineer (Golang | Distributed Systems) London – On-site Up to £170,000 base + 25% bonus + excellent benefits Permanent I’m partnered with a high-growth technology company building a world-class data and services platform that processes tens of billions of monthly requests — powering real-time insights for millions of users globally. They’re hiring … a Principal Software Engineer (Golang) to join their London engineering team as a hands-on technical leader — driving architectural direction, mentoring engineers, and solving complex distributed systems challenges at scale. The Opportunity Architect and scale high-throughput, event-driven systems built in Go Lead the evolution of real-time APIs and data platforms handling billions of requests Stay More ❯