401 to 425 of 490 Software Engineering Jobs in the Thames Valley

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 ❯

PHP Software Engineer PHP Software Engineer - Remote UK - £65000 We are helping an innovative tech business scale their cloud software team. Due to continued growth and demand for their products they now urgently need a PHP Software Engineer to meet demand for their products. This role would suit a seasoned PHP Software Engineer who has … a strong focus on backend development and ideally knowledge of Machine Learning or LLM. The PHP Software Engineer will work with the R&D team to bring new solutions to life. This role is remote within the UK. To be a successful, the ideal PHP Software Engineer candidate will have: · A strong career background in PHP and Laravel. … interest in) machine learning and large language models · Experience of working in a small team · Excellent written English skills. What is in it for you? As a talented PHP Software Engineer you can expect: · Great salary - Up to £65k base and Package (neg for the right person) · Flexible working. If you are an ambitious PHP Software Engineer hit More ❯

C++ Developer/Backend Software Engineer (Windows C/C++, C#) London to £70k FTC Are you a skilled C++ Developer? You could be progressing your career in a senior, hands-on role at a global market data provider whilst enjoying a range of perks and benefits. As a C++ Developer you will join an Agile team focussed on … building and maintaining Exchange Connectivity software systems that require real-time and low latency, maintaining data feeds and developing key underlying transport protocols for data transmission. The platform has been built with C++ and C# deploying to AWS and requires high scalability and low latency - they currently handle 40 billion messages per day. Location/WFH: You'll join … the other two days. Please note this is a 12 month Fixed Term Contract. About you: You have C/C++ development skills on Windows OS You have full software development lifecycle experience You have a good knowledge of networking protocols e.g. TCP/IP, multicast You have a strong grounding in Computer Science fundamentals e.g. multi-threading, OOP More ❯

We’re looking for a seasoned software engineer who thrives on building in new domains. This role sits at the intersection of infrastructure and networking, perfect for a developer who loves tackling unfamiliar technical areas, learns fast, and brings strong engineering fundamentals. You’ll be responsible for leading design discussions, owning projects end-to-end, and mentoring junior … developers. While networking knowledge is useful, what matters most is your software development expertise and ability to apply it in infrastructure-heavy environments. What you’ll be doing: Designing and building tools and services that support networking and infrastructure teams Driving technical design conversations and guiding architectural decisions Leading by example with clean, scalable Python/Go development Mentoring … the technical bar across the team Learning new areas quickly and applying your expertise to solve complex infrastructure problems What we’re looking for: 7+ years of hands-on software development experience (Python and/or Go strongly preferred) Proven track record of delivering production systems in infrastructure, Linux, or systems engineering environments Strong knowledge of Linux, ideally 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 is a … 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 ❯

We are seeking a highly skilled Quantitative Software Developer to join our front office technology team focused on building and enhancing risk platforms for a leading trading or investment firm. The ideal candidate will have strong expertise in Java development and deep experience working within quantitative or risk-focused environments, particularly in designing, developing, and optimizing systems that support … rotation for production risk systems. Write clean, testable, and well-documented code; contribute to CI/CD practices. Required Qualifications Bachelor's or Master’s degree in Computer Science, Engineering, Mathematics, or a related quantitative field. 3+ years of experience in Java software development, ideally within financial services or a trading environment. Proven experience building or supporting risk More ❯

Contract Python Fullstack Software Engineer | £600-£800/day IR35 Exempt Python Software Engineer (Python, ReactJS, Kubernetes) £600-£800/day Initial 6 Month Duration IR35 Exempt Hybrid - Central London (3 days a week) We are partnered with a well-funded scale up in the BioTech sector who are developing software to support autonomous robotics. They are … end code in a Senior IC capacity. You’ll be a hands-on contributor who can move fluidly across the stack while also influencing architectural design. Experience building scalable software in Python, contributing to the end to end software development process Ability to contribute in areas such as DevOps (Kubernetes) and Front end development (ReactJS modifications) Experience working … with AWS Experience influencing the architecture and design of applications Tech Stack - Python, ReactJS, Kubernetes, APi's, websockets, AWS Contract Python Fullstack Software Engineer | £600-£800/day IR35 Exempt More ❯

Software Engineer, AI, C Python, Oxford, COR7394 Are you a talented Software Engineer eager to explore the intersection of AI and manufacturing? This could be your opportunity to join a team helping shape next-generation tools using cutting-edge technology! The Position As a Software Engineer, you’ll work directly with a small team to develop advanced … analysis algorithms and integrate local large language models (LLMs) into real-world applications. You’ll focus on building robust software solutions using C++ or Python, contributing to Product Lifecycle Management integrations, and iterating on prompt-based AI applications. This is a hands-on role in a fast-moving environment. You’ll have the freedom to experiment, influence the product … s direction, and take ownership of key technical deliverables. The Company Our client is a software company pioneering tools that combine AI into manufacturing applications. Working here means joining a small, highly collaborative team focused on innovation, autonomy, and delivering practical solutions. This role is hybrid, with at least two days per week onsite in Oxford. Requirements Strong background 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 Rust Building high 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 Rust Building high More ❯

Full-Stack Software Engineer - London - 5 days a week Location: London, central, fully onsite (early stage, London platform team) Salary: Up to £130,000 Seniority: 3–8 years | Permanent | Early hire on a small platform team I'm working with a well funded early stage AI platform looking for a versatile full-stack engineer to join the London platform … infrastructure for novel technical problems Own slices of the stack end to end, from SQL and backend logic to front end UX Work closely with a tiny, high-calibre engineering team and shape engineering practices and culture Tech profile I need 3 to 8 years of hands-on full-stack experience building production products Strong backend experience in More ❯

Ready to Build Software That Shapes the Future? Do you enjoy turning complex ideas into elegant code? Do you get a kick out of seeing your work power real-world machines and cutting-edge technology? We’re partnering with a science-led technology company that’s breaking boundaries in materials engineering. They’re designing and building systems that don … make it happen. Why You’ll Want to Be Here This isn’t just another coding role. You’ll be working alongside engineers, scientists, and hardware specialists to build software that connects advanced machinery with intuitive user interfaces. Your code will play a direct part in groundbreaking projects that span multiple high-tech industries. Every day brings a new … overall system architecture and technical direction Writing clean, reliable code and documentation to support growth About You We’re looking for someone who’s excited by the crossover of software and hardware, and who thrives in a collaborative environment. You’ll fit well if you bring: 2+ years of professional development experience Strong C# skills (extra kudos if you More ❯

Ready to Build Software That Shapes the Future? Do you enjoy turning complex ideas into elegant code? Do you get a kick out of seeing your work power real-world machines and cutting-edge technology? We’re partnering with a science-led technology company that’s breaking boundaries in materials engineering. They’re designing and building systems that don … make it happen. Why You’ll Want to Be Here This isn’t just another coding role. You’ll be working alongside engineers, scientists, and hardware specialists to build software that connects advanced machinery with intuitive user interfaces. Your code will play a direct part in groundbreaking projects that span multiple high-tech industries. Every day brings a new … overall system architecture and technical direction Writing clean, reliable code and documentation to support growth About You We’re looking for someone who’s excited by the crossover of software and hardware, and who thrives in a collaborative environment. You’ll fit well if you bring: 2+ years of professional development experience Strong C# skills (extra kudos if you More ❯

Java Developer - Build software that matters! Java, Spring, React, TDD, AWS, Azure A fast-growing technology company is expanding its engineering team and hiring x3Java developers across mid and senior levels. They’re building intelligent, mobile-first software that supports real-time decision-making in high-pressure environments where speed, clarity, and reliability are essential. The systems … this company work on greenfield projects, designing APIs and services that power mobile and web platforms. The stack is modern Java 17+, Spring Boot, cloud-native architecture and the engineering culture values clean code, thoughtful design, and true problem-solvers. They’re looking for developers who enjoy solving complex challenges, care about performance and security, and want to build … systems that scale. Whether you’re mid-level and ready to grow, or senior and looking to lead, this is a chance to contribute to software that’s making a real-world impact. If you’re ready to build meaningful systems with a team that’s driven by impact, they’d love to hear from you. For successful Java More ❯

Java Engineer | Reading | HealthTech £40,000 – £85,000 + Bonus + Benefits Java, JavaScript, SQL, TDD, Spring Modern healthcare demands modern engineering, and this is your chance to be part of it. We’re hiring Java Engineers (Mid to Senior level) for a fast-growing HealthTech company that’s transforming how NHS hospitals deliver care. Their platform replaces outdated … scalable infrastructure now live across multiple UK trusts. Built by engineers who understand healthcare, the system delivers live patient data, safe prescribing, and intuitive UX at the bedside. Their engineering team has been instrumental in winning major contracts and earning awards like “Best Performing Company” in HealthTech. What you’ll be working on: Designing and developing their flagship product More ❯

finance with blockchain technology, offering a wide variety of financial services, including cross-border payments, institutional crypto liquidity, digital asset custody, and our enterprise-grade stablecoin RLUSD. As a Software Engineer at Ripple, you'll work on payment technologies, building scalable solutions that power the future of finance. Your primary responsibilities will be for a core part of the … role in increasing scale, efficiency, and observability, ensuring Ripple products interact seamlessly with global banks and payment providers in a consistent and trustworthy way. We are looking for a software engineer passionate about learning and understanding the way a complex fintech system works end-to-end and can help drive forward the development. A passion for making systems better … variety of challenges spanning crypto, trading, fintech, and payment solutions. Fully integrate into a large system and spot opportunities for improvements and best practices. Prototype new solutions for complex software problems and implement them for production cloud deployments WHAT YOU'LL BRING: Experience building highly scalable and performant enterprise software Working knowledge of Java and its ecosystem (i.e. More ❯

innovation, helping R&D teams and Creators to invent, protect, and monetise ideas faster with AI at the heart of it (LLMs & Agentic AI). We're growing the engineering team that will be working shoulder to shoulder with some impressive co-founders. If you're comfortable with real autonomy and ownership, building fast, and solving problems end-to … seven figure recurring revenue in under 12 months and are completely redefining the industry the product sits within. Stack Java, Python, JavaScript 5-days a week in person, London Software Engineers that are building/want to build 0-1... let's chat. More ❯

and editing data directly in the database Collaborate closely with the CEO and other Full Stack Engineers on high-impact projects Technical Requirements 2–3 years of back-end engineering experience, ideally in a startup environment Strong knowledge of Python and Flask Proficiency with SQL and Postgres Experience with AWS services (migration experience is a plus) Ideal Candidate Quality More ❯

Regardless of your seniority, you'll enjoy plenty of autonomy and take full ownership of your work, from ideation to execution. You'll have the unique opportunity to build software from the ground up and witness firsthand how your code evolves into a product used at scale. Simplify relentlessly. Is every component essential? Do we need this process? As More ❯

Change Software Forever QA slows the world down. Flaky tests kill trust, stall releases, and bleed engineering velocity. Duku AI is ending that era. We’re building autonomous agents that think like engineers: they run every critical user journey, catch failures before users do, and self-heal as the codebase evolves. Real AI teammates, not test scripts that … and grew Deliveroo from zero to hypergrowth. We know what elite execution looks like and we’re hunting for one more builder to help us rewrite the rules of software quality. What You’ll Do Ship fast, learn faster : We deploy daily, not monthly Talk to users, shape the roadmap : Sit in the trenches with founders on calls that … Looking For Relentless drive: You execute fast, adapt faster Startup scar tissue : You’ve shipped product with no safety net Fluency with AI/LLMs : LangChain, vector stores, prompt engineering Full-stack firepower : Frontend, backend, infra, no silos Product obsession : You care more about outcomes than outputs Experimental instinct: You build → test → learn → repeat Ideal Background There’s no More ❯

Senior Full Stack Software Engineer (React Native/AWS) 💰 £80,000 – £95,000 + Bonus & Benefits 📍 Hybrid – London We’re partnered with a high-growth health and fitness technology company on a mission to help people train smarter through personalised performance platforms. Following an internal promotion within the engineering team, they’re now looking for a Senior Full … Stack Software Engineer to join a small, agile squad building next-generation digital coaching tools. The Role You’ll be working in a cross-functional engineering team responsible for designing and scaling the core systems behind their adaptive training experience, from mobile applications to intelligent backend services. This role will see you own end-to-end feature delivery … simple, elegant solutions A collaborator who values impact, quality, and shipping great work over process-heavy environments The Process Initial video call (45 mins) with a member of the engineering team — part conversational, part short coding exercise (LeetCode-style) Take-home task (2–3 hours, realistic and reflective of day-to-day work) Final video interview with two engineers More ❯

Copello are recruiting for Software Engineers, across various levels of experience, on behalf of an engineering business based out of either Maidenhead or Farnborough. What Youll Do Design, develop, and test embedded and application software for complex, security focused systems. Collaborate with multidisciplinary teams to turn challenging requirements into robust, reliable solutions. Apply modern engineering practices … from object oriented design and automated testing to DevSecOps and continuous integration. Drive technical quality, innovation, and improvement across projects. What You Bring Degree (or equivalent experience) in software, electronics, or a related field. Proficiency in one or more of the following: C/C++ Rust Embedded product development (bare-metal or RTOS such as ThreadX, QNX, or Linux … Embedded Linux application, kernel, or driver development Strong understanding of software lifecycles, testing, and design for reliability. Eligible for UK Government Security Clearance More ❯

Forward Deployed Software Engineer | Defence Tech & AI | London (Hybrid | 4x days onsite) About Want to work on software that powers the autonomous age? This defence tech team are building next-generation AI and systems software to help organisations collaborate with robots, sensors, and also autonomous systems. You’ll be joining at a pivotal stage of growth, working … and AI experts on high-stakes projects Work hands-on in the field, seeing your code in action with real users High autonomy, clear purpose 🚀 What they value: Strong engineering fundamentals and curiosity across tech stacks A bias for action and problem-solving in complex, real-world settings Collaboration and direct engagement with end users A willingness to travel More ❯

Copello are recruiting for Software Engineers, across various levels of experience, on behalf of an engineering business based out of either Maidenhead or Farnborough. What You’ll Do Design, develop, and test embedded and application software for complex, security-focused systems. Collaborate with multidisciplinary teams to turn challenging requirements into robust, reliable solutions. Apply modern engineering … practices, from object-oriented design and automated testing to DevSecOps and continuous integration. Drive technical quality, innovation, and improvement across projects. What You Bring Degree (or equivalent experience) in software, electronics, or a related field. Proficiency in one or more of the following: C/C++ Rust Embedded product development (bare-metal or RTOS such as ThreadX, QNX, or … Linux) Embedded Linux application, kernel, or driver development Strong understanding of software lifecycles, testing, and design for reliability. Eligible for UK Government Security Clearance For more information, please get in touch with Ella More ❯

Copello are recruiting for Software Engineers, across various levels of experience, on behalf of an engineering business based out of either Maidenhead or Farnborough. What You’ll Do Design, develop, and test embedded and application software for complex, security-focused systems. Collaborate with multidisciplinary teams to turn challenging requirements into robust, reliable solutions. Apply modern engineering … practices, from object-oriented design and automated testing to DevSecOps and continuous integration. Drive technical quality, innovation, and improvement across projects. What You Bring Degree (or equivalent experience) in software, electronics, or a related field. Proficiency in one or more of the following: C/C++ Rust Embedded product development (bare-metal or RTOS such as ThreadX, QNX, or … Linux) Embedded Linux application, kernel, or driver development Strong understanding of software lifecycles, testing, and design for reliability. Eligible for UK Government Security Clearance For more information, please get in touch with Ella More ❯