1 to 25 of 35 Senior Software Engineer Jobs in Slough

Contract Senior Full Stack Software Engineer : Up to £500 Outside IR35 : Monthly Hybrid London : 6 months (rolling) A digital consulting partner of ours are looking for a Contract Senior Full Stack Software Engineer to design, build, and maintain scalable, high-performance software systems … their end customer. As a Contract Senior Full Stack Software Engineer you will lead technical decision-making by reviewing designs, mentoring engineers, and driving best practices in code quality, architecture, and tooling. Key Skills: Angular, Java, Node.js MuleSoft Cloud experience (AWS, Azure, GCP) Contract Details ...

Senior Software Engineer – C/C++ ARCA is currently looking for a Senior Software Engineer to join on a short-term contract to help support an automotive/motorsport engineering programme. This role suits someone comfortable working close to real-time systems, networking … performance-critical software, typically found in vehicle platforms, simulation, data or control environments. Key Responsibilities Develop and maintain high-performance C/C++ software Work on concurrent, parallel and asynchronous systems Contribute to distributed, real-time architectures (pub/sub models, time-synchronised systems) Key Skills & Experience Strong ...

Senior Software Engineer Location: Onsite, London, United Kingdom Type: Full-time Compensation: Negotiable (Competitive salary + equity) About Ontik Ontik is an ambitious, early-stage B2B financial operations platform designed to streamline and simplify complex financial workflows for heavy duty industries. We're scaling rapidly and looking … high-performance, ownership-driven environment, where you can make a direct impact on the product and help shape its future. Role overview As a Software Engineer (Full-Stack) at Ontik, you'll play a pivotal role in building and scaling our financial operations platform. This is a hands ...

Senior Software Engineer (Python - FastAPI) This fast-growing consultancy is pushing the boundaries of AI and data science, helping clients turn complex challenges into scalable, production-ready solutions. They're now hiring a Senior Software Engineer who can blend deep technical expertise with … above What You'll Be Doing: Leading the end-to-end design and build of applications that utilise advanced AI and data-led software solutions. Developing scalable data pipelines and backend services that support complex modelling work. Setting standards for clean, efficient engineering across Python(FastAPI), SQL and cloud ...

Senior Software Engineer (C++) – Real-Time Market Data Systems Company Insight: A leading global quant trading firm is looking for a senior software engineer experienced in market data processing to help evolve the firm's real-time market data platform - a critical system that … Responsibilities: Build and enhance real-time market data and distribution pipelines spanning global markets and multiple asset classes. Design and optimise high-performance, distributed software systems for processing market data at scale. Champion engineering best practices and innovation. Serve as a technical leader in market data systems. Apply data ...

Senior Software Engineer Climate Tech Nearly Remote (travel into London) Salary up to £100,000 We are the chosen talent provider of an innovative early-stage company in the climate & insurance space. Are you a builder who wants to use your software engineering skills to make … sustainability efforts across the globe. They're a small but highly experienced team of tech and insurance pioneers, and they're looking for a Senior Software Engineer to help shape the future of their platform. What You'll Do: Play a major part in designing and building ...

Senior Software Engineer (Full-stack) - Permanent | On-Site | London Join a rapidly scaling US-backed startup at a pivotal moment. With significant funding secured and strong momentum, they are establishing their UK presence and offering exceptional equity opportunities for early team members. As a Senior Software Engineer, you'll work across our Python and TypeScript stack, contributing wherever the team needs you most. What You'll Be Doing: Develop and maintain FastAPI (Python) and Next.js (TypeScript) applications. Own features end-to-end - from user interface through to infrastructure and internal tooling. Navigate and contribute ...

title: C# Senior Software Engineer (VP) Client: Investment Firm Experience Level: 5+ years' Salary: - Up to £130k + Bonus Location: London (Hybrid) An elite investment client are searching for Senior C# Developers to join a group of the highest-regarded talent around! Role This … development of several greenfield features and will involve the use of the latest frameworks within .Net Skills/Experience Proven experience working as a Software Engineer within the financial services domain Knowledge of C# .Net core Degree in Computer Science/Engineering is preferred! Experience with ...

Senior Software Engineer – 3D Graphics/Computer Vision London preferred | Full-time | Visa sponsorship available The mission Work at a stealthy 3D/graphics startup that turns real‐world objects into production‐ready, photoreal assets for film, games and real‐time experiences. Think: high‐end material capture … photogrammetry tools used behind the scenes by top studios, not off‐the‐shelf consumer software. The role You'll be the go‐to engineer for 3D rendering and asset processing in a Windows desktop app that sits at the heart of the company's pipeline. Expect deep work ...

Title: Senior Embedded Software Engineer Rank: Determined by the confirmed level and scope of experience Company: Chevalier Tech Limited Location: Colindale, Greater London (On-site) Salary: Salary is competitive and negotiable based on experience. Job Type: Full-time, Permanent About Us Chevalier Tech Limited is a tier … Smart Door Handles, and Control Electronics, which are integrated into high-end passenger and super cars worldwide. About the Role As a highly Experienced Software Engineer, you will lead the software engineering team, play a pivotal role in the design, development, and implementation of embedded software ...

Senior/Principal Software Engineer .NET £85,000-£110,000 Remote (UK) Do you thrive on building scalable solutions that power commerce worldwide? We're partnering with a rapidly expanding global payment platform fresh off a transformative acquisition. They're engineering a robust, merchant-centric ecosystem built … quality, resilience, and scale - and they need exceptional .NET Software Engineers to drive this evolution. Your Impact: Design and develop mission-critical platform services, APIs, and merchant portals Drive performance optimisation and system reliability through intelligent engineering Champion engineering excellence in architecture, code quality, and delivery Partner with cross ...

company is one of the largest technology start-ups in the region and Tech Unicorn. Position Summary: We are looking for a talented Senior Software Engineer – AI & ML to join our growing development team at Property Finder. This role is a blend of hands-on software … reviews and help define and drive engineering best practices across the team. Mentor and support other engineers (and occasionally data scientists), sharing knowledge on software design, clean code, and reliable ML in production. Stay up to date with emerging AI/ML and software engineering trends and proactively ...

hiring a Senior Software Engineer to help build and scale a next-generation agentic data analytics platform used by medium to enterprise teams. Business data is critical - but getting answers from it is still slow, complex, and overly technical. We're building an AI-native platform that ...

About Equali Equali is a Techstars and angel-backed B2B software company providing FinTech, eCommerce and SaaS businesses with effortless reconciliation and accounting automation. Supported by new partnerships and favourable regulatory trends, we expect strong growth over the next 12 months. We're already working with customers like Sunday … looking to expand across FinTech and eCommerce in particular. About You We're looking for a hands-on Senior Software Engineer with full-stack experience and a focus on backend development, who is excited to help shape and scale a fast-growing product. About the role ...

Lead Software Engineer – Java Microservices | London (1 day per week on-site) | £74,000 – £92,000 + Package We're partnering with a leading UK bank to recruit a Lead Software Engineer with strong Java and microservices expertise. This is a hands-on role building high … performance, scalable software for real-world, high-traffic systems. About the Role You'll join a permanent feature team, taking end-to-end ownership of services, from design and development to testing, deployment, and optimisation. Your focus will be on building robust microservices that support high-traffic user experiences ...

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 … 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. ...

Software Engineer | Security Platform | London Looking to build something hugely impactful within security? This VC-backed startup is redefining how enterprises secure the cloud - already processing billions of events weekly, doubling ARR last quarter, and landing on multiple "Startup to Watch" lists out there. Now they're bringing … further Software Engineers to help shape the core product, scale the platform, and push the limits of cloud security tech. You'll join a world-class team solving complex engineering challenges - from distributed systems and large-scale data pipelines to real-time detection and automation. Every line of code ...

Senior Full Stack Engineer (React, Typescript, Node, AWS) HealthTech, up to £90k London (once or twice per fortnight in office) Troi Search are delighted to be partnering once again with this innovative & mission driven HealthTech client. We're now looking for a Senior Full Stack Engineer … engineering standards Experiment with emerging tech like AI, computer vision, and advanced analytics What we're looking for 5+ years building SaaS or enterprise software Strong experience with React, Typescript, Node & AWS Technologies Solid cloud and DevOps knowledge Comfort working in data-sensitive or regulated environments A pragmatic mindset ...

Senior Java Engineer – Actuarial Data Squad – Outside IR35 - Contract We're looking for a Senior Java Engineer to join a high-profile project focused on backend systems that automate complex financial and actuarial processes. This is a hands-on role delivering backend solutions under tight deadlines ...

looking for an experienced Senior Python Software Engineer to take ownership of an established trading-related application and drive its ongoing development. You will manage and enhance the existing codebase, deliver new features, ensure reliability and performance, and help evolve the system as the business grows. This ...

Senior Product Engineer - London | Full-time | Hybrid Are you ready to build technology that makes a real-world impact? Join a fast-growing, mission-driven tech company tackling complex social challenges with cutting-edge AI and a passionate team. About the Role: We're looking for experienced product … with Ruby on Rails, Turbo, AlpineJS, TailwindCSS, AWS, PostgreSQL Experience integrating with LLMs like OpenAI and Claude Strong understanding of scalable architecture and pragmatic software design Comfortable working in cross-functional teams with PMs, UX, and data specialists A product-first mindset with a focus on customer outcomes Passion ...

Role: Senior Product Engineer Location: London, Hybrid (Come to the office when needed not set days) Compensation: Up to £140,000 + equity We're partnered with a fast-growing technology company building world-class API products that simplify complex operational challenges for global businesses. They prioritise engineering … excellence, lean teams, and a culture built on ownership, collaboration, and continuous improvement. As a Senior Product Engineer, you'll work across the full product lifecycle; from understanding customer problems to designing, building, and operating scalable, reliable API products used by companies around the world. You'll help ...

adoption of AI in financial services accelerates, and we're now scaling our engineering organisation to meet that demand. Our engineering team includes experienced software engineers and PhD-level AI specialists, with strong ties to the University of Edinburgh, giving you access to exceptional expertise and opportunities for continuous … learning as part of the day-to-day work. The Role As a Software Engineer at Aveni, you'll be responsible for building and scaling the products that sit on top of FinLLM (the UK's first LLM for the Financial Services industry) and other LLMs, enabling financial ...

based in Hammersmith are building cutting-edge products that will transform how teams work with intelligent technology are looking for a talented Full Stack Software Engineer to join a small, high-impact team. What you'll do Design, build, and ship features across their AI-powered product suite … What we're looking for Strong commercial experience in Golang Solid knowledge of TypeScript and React for frontend development Experience working across the full software lifecycle Self-driven, curious, and excited by technical challenges Bonus points Experience with Kubernetes, containerisation, and cloud infrastructure Background in distributed systems, real-time ...

Senior Java Developer – London (Hybrid: 2 Days Onsite) We're partnering with a leading global organisation that is scaling its engineering function and looking for a Senior Java Developer to join their London team. If you're passionate about building data-driven platforms, enjoy solving complex challenges ...