51 to 75 of 356 Software Engineer Jobs in the Thames Valley

Senior Software Engineer – Trading Systems | Clean Energy | Hybrid (UK) | £100k–£180k DOE + Bonus Are you a seasoned software engineer ready to build the trading and monitoring systems powering the UK’s next generation of clean energy? This is your opportunity to join a leading Greentech with over £400 million in funding. This is a complex … high-impact engineering challenge ideal for someone who thrives is looking to join as the first engineer as they build this trading system. As a Senior Software Engineer, you will: Design and build automated trading systems for UK energy markets Develop real-time bidding, dispatch, and optimization tools Build monitoring dashboards for LAES operations and grid stability … systems Develop data pipelines using Kafka and TimescaleDB Create microservices to connect trading platforms and grid operators What We’re Looking For Strong Software Fundamentals: Excellent Python skills (Rust is a bonus) and experience designing distributed systems, REST APIs, and microservices Data & Infrastructure: Experience with Kafka or similar streaming technologies, PostgreSQL, and time-series data management DevOps & Observability: Familiar More ❯

Circuit Mind we believe that this is wrong and we are on a mission to fix it, triggering the future of hardware design. We are creating an entirely new software engine for circuit boards, that takes as inputs the requirements of a circuit board and automatically outputs a complete design, ready for manufacture. As a Lead Software Engineer … ll create simple and elegant solutions to difficult technical problems that the world has not solved before. You will work in close collaboration with a highly-functioning team of software, electronics, algorithm engineers and product managers. Responsibilities Collaborate with the product team and in-house hardware engineers to understand the problems of hardware engineering teams. Plan, design, develop, test … and iterate on the software solutions to those problems, accounting for functional and non-functional requirements. Co-design, pair on, and review the development work of other lead software developers. You’ll work on the entire company's backend code base: data models, algorithms, data pipelines, infrastructure, APIs, complex database queries, ML models. Learn, use, and improve best More ❯

C# Software Engineer – Greenfield Digital Programme Location: Milton Keynes (Hybrid – Once a month on-site) Salary: Up to £60,000 + Excellent Benefits We’re working in partnership with a leading consultancy who are supporting a household brand who work in the financial services space. We’re on the lookout for a talented C# Software Engineer … days holiday Performance based bonus Pension Long service awards Life assurance Medical cover L&D budget Career Progression If this sounds like you then please click apply now! C# Software Engineer – Greenfield Digital Programme More ❯

Senior Software Engineer | Legacy to Modern | C#, .Net | SaaS Data A fast-growing SaaS business is investing heavily in its tech platform and building out a senior engineering hub in London. They’re on the lookout for a Senior Software Engineer to help drive modernisation, set technical direction, and mentor squads as they scale. This is … balancing legacy upkeep with platform modernisation Confident with IIS, AWS, TeamCity, Octopus Deploy, SQL Server Bonus points for exposure to Angular or Telerik libraries Prior experience as a senior engineer in SaaS or product-led teams Someone who enjoys mentoring, influencing direction, and staying hands-on Location & working style: Hybrid London role, with 1–2 days a week in … the office. Squads value autonomy, collaboration, and building things that last. Senior Software Engineer | Legacy to Modern | C#, .Net | SaaS Data More ❯

Senior Software Engineer | Hybrid | Node | AWS | TypeScript | £100k + 10% bonus La Fosse has partnered with a global leader in customer loyalty and travel services. We're looking for a Senior Software Engineer with a strong background in full-stack JavaScript (Backend JS leaning) to join their growing team. Your mission: Build greenfield systems from the … industry-leading engineering practices. What They're Looking For 6+ years of technical experience with the Full Stack JavaScript ecosystem Experience leading the design, development, and operation of innovative software solutions Strong skills in modern web development (Node.js, AWS, TypeScript) and a solid understanding of web architecture Proficiency in building and managing APIs (GraphQL & RESTful) and strong database fundamentals … weekly) Interview Process: Streamlined two-stage virtual interview If this sounds like the next step in your engineering journey, we'd love to hear from you. Apply now! Senior Software Engineer | Hybrid | Node | AWS | TypeScript | £100k + 10% bonus More ❯

Senior Software Engineer (Python) Hybrid London (1–3 days per week) Up to £80,000 + Benefits Are you a passionate Python engineer who thrives on building scalable, high-quality software? We’re working with a multi-award-winning digital agency , recognised as one of the Sunday Times Best Places to Work, that’s looking for … a Senior Software Engineer (Python) to help shape the next generation of their data-driven tools and products. 💡 Why this role? Work at the intersection of data, automation, and AI , delivering tools that drive measurable impact for global brands. Join a collaborative, innovative engineering culture where learning, experimentation, and technical excellence are at the core. Hybrid flexibility … technical bar across the team. Staying hands-on while contributing to the architectural direction and long-term roadmap. 🎯 What we’re looking for: 5+ years of experience as a Software Engineer, ideally in Python (3.10+). Proven experience developing cloud-native applications (GCP or AWS). Strong understanding of CI/CD pipelines (e.g. GitHub Actions) and containerisation 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 ❯

Senior Embedded Software Engineer Salary : Up to £100,000 Location : London - 3 days a week We’re working with a rapidly growing tech for good company that is transforming how data, automation, and smart integrations shape the future of digital infrastructure. Their platform optimises real-time operations, connecting users with seamless, intelligent technology solutions. We are looking for … a modern, innovative and driven Senior Embedded Software Engineer to join their growing team. They are looking for someone who has commercial experience working with C software development in an IoT, hardware or embedded solutions environment , who is interested in a data-driven AI-first journey. Responsibilities: Design, implement, and test firmware for embedded systems across diverse … issues. Develop and manage automated test frameworks for embedded devices to ensure robust validation. Create and execute both manual and automated test cases. Key requirements: 5+ years experience in software development with C in an embedded environment. Proven knowledge in digital electronics and working at the interface between hardware and firmware. Strong experience debugging embedded software and associated More ❯

Staff Software Engineer | GO/Python | £600-£800/day | Outside IR35 Staff Software Engineer £600-£800/day Initial 6 Month Duration Outside IR35 Hybrid - Central London (3 days a week) Technical Environment - GO/Python, Kubernetes, Docker, Event-Driven, microservices architecture. We are partnered with a well-funded scale up in the BioTech sector … who are developing software to support autonomous robotics. They are building cutting edge, fully customisable, autonomous technology to support critical workflows, enhancing efficiency, reducing errors and reducing workload. You'll join a new squad tasked with building platform features that enable customers to develop and execute their scientific workflows. You'll work at the intersection of backend, cloud, and … high-throughput, real-time, core backend platform. You’ll be a hands-on contributor who can move fluidly across the stack while also influencing architectural design. Experience building scalable software in Go (Golang), Python, Kubernetes, Docker, Event-Driven, microservices architecture. Ability to contribute in areas such as DevOps (Kubernetes) Experience building event-driven backend systems Experience building real-time More ❯

Senior Golang Software Engineer - AI Scale-up - Voice AI (Permanent - flexible salary) Senior Golang Software Engineer is now required by an Innovative AI scale up to build the strategic architecture platform for their AI product offering This role will be responsible for building a stable and replicable architecture for their core application, focusing on their AI … journey. Implement secure on-device storage for sensitive data. Collaborate with back-end engineers to successfully integrate RESTful APIs for data collection and AI services. Key Requirements: Strong Senior Software Engineer experience Exceptional Go/Golang skills Experience working across low-latency and zero trust platforms Experience across more than 1 cloud platform (AWS, Azure and GCP), and More ❯

Senior Software Engineer We’re supporting a pioneering technology company who are building some of the most advanced systems in the world. They’re now looking for a Senior Software Engineer to join their growing team and play a key part in developing cutting-edge solutions. This is a fantastic opportunity to work on unique challenges … that will push the boundaries of what’s possible in computing. You’ll collaborate with highly skilled engineers and scientists, developing the software that drives complex hardware platforms and contributes to world-class innovation. The role As a Senior Software Engineer, you’ll work across a variety of technical areas, including: Designing and extending embedded firmware with More ❯

Senior Software Engineer | High-growth, Purpose-Led and A* funded Fintech | Hybrid – London **Python, TypeScript, React** A leading fintech scale-up is hiring a Senior Software Engineer to join its high-performing engineering organisation in London. This is an opportunity to contribute to a platform designed to improve finance globally — with real impact at scale. The … first platform. Backed by leading venture capital and impact investors, the organisation is entering a new phase of growth, with engineering at the core. The Opportunity As a Senior Engineer, you will play a key role in designing and delivering scalable, reliable systems that handle significant volumes of real-time data and transactions. You'll collaborate with product, data … and platform teams to deliver high-impact features that directly improve user financial wellbeing. This is a hands-on role for an engineer who values clean architecture, measurable outcomes, and meaningful user impact. What You’ll Do: Design and implement distributed systems that are resilient, scalable, and secure. Own technical decision-making across architecture and implementation — selecting the right More ❯

Python Software Engineer - VC-Backed Startup - London We're looking for a Python Software Engineer to join a fast-growing startup developing a standout product in a high-potential, niche market. Backed by one of the world’s most prestigious venture capital firms , the company is gaining serious traction and building a world-class team. This … day one Join an elite team early and shape the tech culture and direction Competitive salary Flexible hybrid work opportunity - London Currently interviewing - apply now for immediate review. Python Software Engineer - VC-Backed Startup - London More ❯

Principal Software Engineer | High-growth, Purpose-Led and A* funded Fintech | Hybrid – London **Python, TypeScript, React** A leading fintech scale-up is hiring a Senior Software Engineer to join its high-performing engineering organisation in London. This is an opportunity to contribute to a platform designed to improve finance globally — with real impact at scale. The … first platform. Backed by leading venture capital and impact investors, the organisation is entering a new phase of growth, with engineering at the core. The Opportunity As a Senior Engineer, you will play a key role in designing and delivering scalable, reliable systems that handle significant volumes of real-time data and transactions. You'll collaborate with product, data … and platform teams to deliver high-impact features that directly improve user financial wellbeing. This is a hands-on role for an engineer who values clean architecture, measurable outcomes, and meaningful user impact. What You’ll Do: Design and implement distributed systems that are resilient, scalable, and secure. Own technical decision-making across architecture and implementation — selecting the right More ❯

Software Engineer – Robotics & Industrial AI Platform Location: Reading Hybrid: Onsite 2-3 days per week Languages: C++, Python, TypeScript (Angular or React) Desirable: AWS familiarity We are a growing technology company building a platform that supports fleets of autonomous inspection robots and turns large volumes of sensor and image data into clear, actionable intelligence. Our software helps … cloud platform and user interfaces that operators use to run missions, view inspection data, manage alerts, and interact with AI analysis tools. The Opportunity We’re looking for a software engineer with solid foundations and roughly 2–3 years of professional experience. You’ll join a small, experienced team and work across back end, front end, and robotics … processing, UI development, and embedded/robotics integration. This is a role for someone curious, adaptable, and willing to learn. Why Join Us? Work at the intersection of cloud software, robotics, and applied AI Learn across the full stack: back end, front end, data processing, and device integration Real product, deployed with enterprise customers Supportive environment to grow into More ❯

Software Engineer – Robotics & Industrial AI Platform Location: Reading Hybrid: Onsite 2-3 days per week Languages: C++, Python, TypeScript (Angular or React) Desirable: AWS familiarity We are a growing technology company building a platform that supports fleets of autonomous inspection robots and turns large volumes of sensor and image data into clear, actionable intelligence. Our software helps … cloud platform and user interfaces that operators use to run missions, view inspection data, manage alerts, and interact with AI analysis tools. The Opportunity We’re looking for a software engineer with solid foundations and roughly 2–3 years of professional experience. You’ll join a small, experienced team and work across back end, front end, and robotics … processing, UI development, and embedded/robotics integration. This is a role for someone curious, adaptable, and willing to learn. Why Join Us? Work at the intersection of cloud software, robotics, and applied AI Learn across the full stack: back end, front end, data processing, and device integration Real product, deployed with enterprise customers Supportive environment to grow into 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 ❯

Software Engineer – Next-Generation Derivatives Risk Platform 📍 Location: London (Hybrid – 1 day/week in office, flexibility for the right candidate) 💰 Day Rate: £850 per day 🧾 IR35: Outside 🗓️ Interview Process: Starts 12th November 2025 🚀 Start Date: 5th January 2026 CV's are not being reviewed until WC 3rd November We’re partnering with a global investment bank to … hire an exceptional Software Engineer to join a flagship team delivering a next-generation, high-performance derivatives risk platform . This is a mission-critical front-office role working on real-time distributed systems with exceptional technical standards. You’ll be part of a high-calibre team solving complex engineering challenges and shaping the future of risk technology … DevOps, CI/CD Emerging tech: WebAssembly, AI integration, and AI frameworks Systems: Cross-platform, distributed, scalable real-time environments This is a genuine technologist’s role — building critical software that combines engineering precision, scalability, and innovation. What We’re Looking For Very strong expertise in one of C#, Python or Java , ideally with working knowledge of another. Rust 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 ❯

Do you love working on tech making a positive impact in the world? Looking to be part of a collaborate, innovate team? ♻ Software Engineer - Renewable Energy for Car Charging ♻ 💰 Package: Up to £80k + bonus + equity 📍 Location: Hybrid in London (2x per week) We are very excited to be continuing our partnership on this exclusive position to … join the company as a Kotlin Software Engineer from a JVM background. You will be joining a highly innovative scale-up leading at the forefront of the GreenTech industry, as they assist in the global transition towards sustainable living, by providing affordable access to clean energy for the charging of electric vehicles. In this position, they are looking … from home 3x per week) If you'd love to work with Kotlin on impactful projects, while taking the next step in your career, apply now for this exciting Software Engineer opportunity! Please note : Due to compliancy reasons, we will only be able to consider applications based in and eligible to work the UK. More ❯

Software Engineer Salary: £60k-£70k (plus very substantial bonus on top) Location: London (relaxed about hybrid working, if preferred) About Us: We are a small to medium-sized data analytics company, operating within the sports industry. Job Description: We are looking for a Software Engineer to help build out our real time data streaming capabilities. Key More ❯

Software Engineer (.NET/Azure) – London (Hybrid) London, United Kingdom | Full-time | Permanent I'm working with a global business undergoing a major digital transformation, and they’re looking to bring in an experienced Software Engineer to help shape the future of their Azure-based platform. If you're confident with .NET, Azure, event-driven architecture More ❯

Software Engineer Special Purpose Machinery Milton Keynes (On-site) 12-month contract Outside IR35 available We re supporting a special purpose machine builder in Milton Keynes with the appointment of three Software Engineers for a long-term contract assignment. This is an opportunity to join a growing engineering team delivering complex automation projects for high-precision machinery. … IR35). Location: On-site in Milton Keynes, Monday to Thursday. Remote: Fridays are remote working. Duration: Initial 12-month contract with potential extension. If you're an experienced software engineer looking for a technically engaging contract in the automation or machinery sector, this could be a great fit. More ❯

Software Engineer (Back-End) | Up to £85k | London | Hybrid (3 days on-site per week) I'm hiring a Software engineer with a backend focus for a SaaS technology company that’s transforming how global brands conduct their marketing through loyalty solutions. This is a fantastic opportunity to join a collaborative and forward-thinking tech team. More ❯

Experis Software Engineer Perm Salary DOE London, Bristol (Hybrid) **DV or SC Clearance Essential** Our client, a rapidly growing deep-tech consultancy, urgently require an experienced Software Engineer to join their team on a permanent basis. In order to be successful, you will have the following experience: Experienced Software Developer/Engineer Strong background More ❯