21 of 21 Senior Full-Stack Engineer Jobs in Slough

Senior Full Stack Engineer – THE AI Scale-Up of 2025 | Future Unicorn Up to £125,000 plus excellent stock options London Office - 2 days a week Next.js | React | Typescript | Node Are you a product-focused Senior Full Stack Engineer who enjoys autonomy and wants … to build products from end-to-end? If so, read on... Senior Full Stack Engineer – We have been exclusively engaged by one of the most exciting tech start-ups in the UK, who are looking for Senior Full Stack Engineers as they continue to grow significantly … They believe in building fast and iterating, working closely with product and customers, to evolve their cutting-edge AI solutions. What is Senior Full Stack Engineer for them? The Senior Full Stack Engineer will have experience of building complex solutions in product-driven companies More ❯

Senior Fullstack Engineer (Python) | GenAI-Powered Fintech We are looking for a Senior Fullstack Engineer whose primary language is Python with a strong GenAI-led engineering approach to join this highly profitable, mid-sized fintech in London that’s experiencing continuous growth. The successful Snr Fullstack Engineer will join a … innovation. They offer a flexible hybrid working model and are deeply focused on leveraging AI to revolutionise their development process. We're looking for a solid, experienced full-stack practitioner who can make a substantial impact across the platform. Your Core Expertise: Python (Primary Language) 🐍 Solid full-stack development experience. Proven experience … iterate on code that is generated by AI agents. 'Good Looks Like': Insights into which available GenAI tools and workflows yield the best results for robust, maintainable full-stack engineering. What's on Offer 🎁 Highly Competitive Salary and a comprehensive benefits package. Hybrid Working model based in London. A genuinely great culture—collaborative, empowering, and focused More ❯

Senior Software Engineer/Developer (Full Stack JavaScript) London to £100k Opportunity to progress your career in a senior, hands-on Software Engineer role at a scale-up tech company, that enables smart matching for commercial van drivers and consumers, via job bidding and route optimisation, streamlining processes … years, with recent funding of £125 million. You'll be working on complex and interesting systems and can enjoy a range of benefits and perks. As a Senior Software Engineer you'll collaborate as part of an Agile technology team to design and develop, troubleshoot and solve complex software issues to help scale and future proof … happy to mentor more junior developers You're likely to be degree educated in Computer Science or similar tech discipline What's in it for you: As a Senior Software Engineer you will receive a competitive package: Salary to £100k 25 days holiday (increasing to 30), plus Christmas Eve Vitality healthcare plus a host of wellbeing More ❯

Senior Full Stack Engineer | AI SaaS | Typescript/React/Node Senior Full Stack Engineer Up to £90,000 per annum + Equity d.o.e Required Skills: Typescript, React, Node AI-Powered SaaS for thriving sectors We’re working with a fast-growing SaaS company … firms across Europe, the company is scaling quickly and expanding its engineering team to meet demand. They’re now looking for a Senior Full Stack Engineer to help evolve the core product, extend automation capabilities, and support new data-driven features. What you’ll be doing as a Senior Full … user needs into clean, reliable solutions Contributing to architectural discussions and mentoring across the engineering team What you’ll bring as a Senior Full Stack Engineer: Strong experience building production systems across the stack (React, Node, Typescript) Good understanding of system design, data modelling, and API architecture Experience with cloud More ❯

Senior Software Engineer (TypeScript Full Stack) London/WFH to £100k Do you enjoy problem solving and working with a range of technologies including functional programming languages such as Elixir, using the right tool for the job? You could be progressing your career in a senior, hands-on Software Engineer … per week) Vitality Healthcare Continuous career development and learning opportunities Influential role as part of a small, close knit team Complex and interesting work Your role: As a Senior Software Engineer you will take ownership, working on technically challenging Greenfield development projects. You'll be working on complex problems with scalability and reliability in mind, across … Computer Science or similar STEM discipline, having achieved a 2.1 or above from a Russel Group/Oxbridge or top 100 global university You are an experienced software engineer with a strong knowledge of best practices and Computer Science fundamentals and experience of delivering complex, data centric software You have advanced analytical and problem solving skills You're More ❯

Senior Software Engineer (Music Tech/AI) - TypeScript, NestJS, NextJS 📍Location: West London, 2-3 days a week on site 💸Salary: £90,000-110,000 📈 Incubated: A startup within a global music business ⚙️Required Skills: TypeScript, NextJS, Nextjs, GCP, ReactJS 👥 *High Societal Impact* Join a startup redefining music technologies' role within health and wellbeing.. We're … and across the stack with TypeScript Experience working with ReactJS or similar on the front end Motivated to work on ambiguous projects with relatively novel challenges Senior Software Engineer (Music Tech/AI) - TypeScript, NestJS, NextJS, GCP More ❯

About the Job Senior Fullstack Engineer (React/.Net) – London (Victoria) | Hybrid £80k - £110k Are you ready to craft the next generation of data-driven digital experiences for one of Europe’s most technically advanced SaaS innovators? Our client, a pioneer in B2B SaaS solutions , is … building “Your Shipping Analytics Supercomputer” , providing cutting-edge data visualisation and dynamic dashboards for high-velocity business & artificial intelligence. About the Role As a Senior Full-stack Engineer , you’ll play a key role in architecting and developing scalable, high-performance web applications that bring complex data to life. Working across both … This is an outstanding opportunity to design and deliver the front-end of a platform that’s redefining how businesses interact with data. If you’re a passionate engineer who loves solving complex problems through clean, intelligent design — let’s connect More ❯

Senior Full Stack Engineer | Node.js & SQL | Data‐Heavy FinTech Platform You’ll join a 50‐person, London/US SaaS scale‐up serving top‐tier investment firms with a market‐leading, data analytics platform for global credit investors (think Reuters and Bloomberg) The engineering org is London‐based (circa 13–14 people … cycle to work; choice of quality hardware A great role here and the chance to work with an awesome team. Apply ASAP! Senior Full Stack Engineer | Node.js & SQL | Data‐Heavy FinTech Platform More ❯

backed by top investors, with a world-class team combining expertise in AI, behavioral science, and strategic simulation. We’re now looking for a Senior Full-Stack Engineer to help us build the next generation of applied AI tools. What You’ll Do Build and ship production features end-to-end across … system patterns. Refactor and optimise existing systems for performance and maintainability. Improve quality and speed through testing and CI/CD. Work side-by-side with founders and senior engineers — we collaborate on-site four days a week. Requirements What We’re Looking For 5+ years’ experience building production software (exceptional 4+ considered). Strong proficiency in Python More ❯

research, and data science. Our squads focus on delivering high-impact features – we favour a highly iterative, analytical approach. We're looking for a Senior Full-stack Engineer to join our Development team. Principal Accountabilities: • Build robust and scalable software for business critical, web-based applications • Build eye-catching, functional, efficient, and … for one or more of Ki’s core technologies • Mentor and coach colleagues in both engineering and business domain subjects Required Skills and Experience: • Experience as a mid-senior level engineer working across a modern web stack • Strong software engineering principles (SOLID, DRY, ER modelling) • Professional experience with a server-side language, ideally JVM 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 … 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 … 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 have experience More ❯

Senior Full Stack Engineer (Go + React) Location: London (Hybrid – 2 days onsite) Salary: £100,000–£105,000 + 10% bonus + Equity Industry: Series A DeepTech Start-Up About the Company Wedo.tech has partnered with a rapidly scaling Series A DeepTech start-up that’s quickly earning a reputation for its … You’ll join one of five agile product squads focused on the company’s core web application — the heartbeat of their business operations. We’re looking for two Senior Full Stack Engineers who thrive in high-growth start-up environments: people who take ownership, drive architectural decisions, and love getting hands-on with POCs More ❯

Senior Software Engineer - £500 per day - Outside IR35 - London (2 days per week) Contact : Matthew.Makranczy@forsythbarnes.com Overview We are seeking a talented Software Engineer to join an … established team focused on improving a live product. The software supports fraud response teams within banks to investigate accounts suspected of laundering the proceeds of scams. Our full-stack application integrates with other software to surface AI insights driven by cutting-edge data-science techniques and our valuable datasets. The most important parts of our stack More ❯

Senior Full Stack Engineer Location: London (Hybrid – 2 days onsite) Package: £120,000 Industry: Series A DeepTech Start-Up About the Company Wedo.tech has partnered with a rapidly scaling Series A DeepTech start-up that’s quickly earning a reputation for its AI-driven product, trusted by global customers. Their technology sits … re looking for a role where you get autonomy, a chance to master your craft with deep purpose then read on. The Opportunity We’re looking for two Senior Full Stack Engineers who loves to coach, lead, mentor, and take ownership of architectural decisions, and love getting hands-on with POCs, innovation, and clean … into your years of hard earnt experience knowing what great looks like, helping them achieve their next phase of growth. As a Senior Full Stack Engineer you will have the following experience: Designed and build scalable microservices, contributing to a growing distributed architecture. You can write code in at least 2 languages More ❯

which you can use to make soime weeks 2 days a week from home. Please also note - sponsorship is not an option here unfortunately. The role As a Senior Software Engineer, you will: Understand complex business problems then propose and implement technical solutions Have input into the architecture, working closely with the Head of Technology and … other senior team members Work with other engineers and the business to improve user experiences Bring your experience and enthusiasm to our engineering culture Promote excellence with technical mentoring, feedback, and code reviews Participate in planning sessions, retrospectives, stand-ups and demos Join us in curating a codebase to be proud of, driving for quality, maintainability and testability More ❯

Senior Full Stack Engineer (Backend-leaning) - High-Growth eCommerce Platform London/Hybrid (1 day per week) · c £80,000 + Share Options · VC-backed Series A Startup 🚫 This company is unable to offer visa sponsorship at this time Shape the Architecture of a High-Growth eCommerce Platform We’re working with … eCommerce space that is scaling fast and working with some of the most recognisable fashion brands globally. They’re looking for a Senior Full Stack Engineer (backend-leaning) to take ownership of architecture, data flows, and complex integrations powering a platform used by millions. This isn’t about tweaking themes, it’s … engineers who want to shape tech foundations pre-scale. Interview Process 30-min culture & tech fit conversation 60–90 min technical scenario interview (no whiteboarding) Offer Ideal for senior full stack or backend engineers with TypeScript/React/AWS experience who want to shape architecture at a growing, product-led company. More ❯

SR2 are currently looking for a experienced Senior Software Engineer for a fast-growing AI start-up in London. Location: Central London (3 days a week onsite). Salary: £75,000 - 85,000. Your Role: Building and maintaining features across the backend (Python, Java or NodeJS). Working across all three cloud platforms (AWS, GCP, Azure … and deploying applications in a cloud environment. Work closely with senior engineers to design, build, and maintain back-end services and systems that support AI-powered products, all whilst meeting tight deadlines. Designing, developing, and deploying scalable APIs. Contributing to system architecture and technical strategy. Writing, testing, and shipping high-quality production code. Participating in code reviews and More ❯

Position Summary: We are seeking a highly skilled and results-oriented Senior Developer with strong experience in Node.js, TS, PHP and ReactJS to join our fast-growing engineering team. You will play a key role in developing core components of our platform, driving technical excellence, and ensuring our systems scale as we expand. This is … a hands-on role where you’ll design, build, and optimize applications that power thousands of landlords, tenants, and agents across the Dwelly ecosystem. Key Responsibilities: 1. Full-Stack Development: Design and implement backend services in PHP (legacy) and Node.js/TS (new services). Build and maintain modern React frontends, ensuring responsive and accessible user More ❯

architect, coordinate, and maintain our subsystems. We’re doing all of this against a backdrop of continuous innovation and refinement. The Role We are looking for a Fullstack Engineer (Go + React) to help scale and evolve the core Xapien platform as we grow rapidly. Working directly with our Head of Engineering , you will play a key role More ❯

Futureheads have partnered with an early-stage climate tech venture tackling one of the world’s most urgent challenges. This is a greenfield build where your work will have direct global impact. In this role, you will own the full More ❯

London 📅 Fulltime (could be P/T initially) 💵Package: £130,000+ Base Salary: £70,000 - £100,000 + Equity Join us as Senior Full Stack Developer in an AI-powered Fintech/Edtech platform and see your work really come to life as you build software for a leading fintech business driving innovation in … and Learn about money. We are scaling our digital platform and to aid our next phase of product development and growth, we are looking to bring an additional senior hire to grow our engineering function and deliver on an ambitious tech road map. Our Culture We are a highly committed team and have a supportive, growth focussed working More ❯