1 to 25 of 38 Senior Full-Stack Engineer Jobs in Slough

Senior Full Stack Engineer – THE AI Scale-Up of 2025 | Future Unicorn Up to £130,000 plus excellent stock options Remote First – London Office for those who want it Next.js | React | Typescript | Node Are you a product-focused Senior Full … 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 … 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 More ❯

Senior Fullstack Engineer Salary: Up to £90k plus equity Location: 4 days p/week in London Senior Fullstack Engineer - would you like the opportunity to join an early-stage start-up currently seeking a Senior Fullstack Engineer … passion for innovation, collaboration, and providing the best service to their customers as well as embracing new ideas, technologies and approaches. As a Senior Fullstack Engineer, you will be joining the organisation at one of the most exciting times as employee number 6. The ideal candidate More ❯

Senior Software Engineer (TypeScript Full Stack) London/WFH to £90k 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 role at a successful and profitable energy trading market data scale-up. What's in it for you: Competitive salary, to £90k + Significant Equity Hybrid working (3 days London office 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 More ❯

Senior Android Engineer, Jetpack Compose | Full Stack | Carbon Reducing, B2B, Series A | Salary up to £125,000 + Equity, Bonus, Benefits | London, Hybrid (2 days PW) The Company We are working with a Series A backed scale-up, that has raised over … responsibilities with Backend (Python) API's, improving FE code, all the way down to Data Infrastructure. This is a true Software Engineer role, where you will wear many hats! While mobile development will be your main focus, they want to give engineers the opportunity to learn … across stack. Requirements for the Senior Android Engineer, Jetpack Compose | Full Stack | Carbon Reducing, B2B, Series A | Salary up to £125,000 + Equity, Bonus, Benefits | London, Hybrid (2 days PW) Minimum 4 years experience working in high-performing software teams. Ideally More ❯

Senior Full Stack Engineer | Leading ClimateTech ScaleUp | £105k + Equity 💻 Senior Full Stack Engineer - Up to £105,000 per annum 🌱 Leading Decarbonisation Scaleup - ~$100m funding from prominent VCs 💰 Up to £105,000 p/… to entire governments around the world with a plethora of unique solutions. We are looking for a Senior Full Stack Engineer, proficient in Typescript, React and Node to join growing teams of cross functional engineers, working on everything from external facing applications … this will be a perfect fit. Interested? Apply within or reach out to James for more information. Senior Full Stack Engineer | Leading ClimateTech ScaleUp | £105k + Equity More ❯

Senior Fullstack Engineer About the Role We are looking for a highly skilled Senior Fullstack Engineer to join our team. The ideal candidate will be proficient in TypeScript, React, Node.js and AWS services, with a strong ability to build scalable and maintainable More ❯

Senior Full-Stack Developer – High-Growth Tech Startup Location: Remote Salary: Up to £85,000 This ambitious, early-stage tech startup is transforming how digital platforms leverage data and automation. Backed by a growing client base and a clear product vision, they are building … solution that integrates complex data sources to power real-time insights and streamlined workflows. They are now seeking a Senior Full-Stack Developer to join their lean, high-performing team. This is a pivotal opportunity for someone who thrives in fast-paced environments, enjoys … development from shaping APIs to delivering high-performance user interfaces helping define the technical direction of a rapidly evolving product. Responsibilities Lead full-stack development using NestJS, MongoDB, React, and TypeScript. Integrate and manage third-party APIs, including Meta’s API and a separate API for More ❯

Senior Full Stack Engineer | VC Funded Gifting/Rewards | Remote 💻 Senior Full Stack Engineer 🎁 Gifting/Rewards Platform 🌍 Remote First - (UK) 💰 Up to £110,000 p/a ⚙️ Stack: Typescript, Node, React … teams and clients with meaningful gifts, vouchers and unique experiences. We are looking for a backend leaning Senior Full Stack Engineer, proficient in Typescript, Node, React and Fastify with cloud experience to join a growing team of customer-centric, cross functional engineers. … If you are a Senior Full Stack Engineer looking to join a thriving company working to improve employee satisfaction across the country, this will be a perfect opportunity. Interested and available to start within a month? Apply within or reach out to More ❯

Title: Senior Full Stack JavaScript Engineer Employment: Full time, permanent Location: Based at our offices in Holborn, London - Hybrid working pattern, 3 days a week in office Who We Are: Omaze is an entertainment company with a social purpose. We … process Named one of Fast Company’s Most Innovative Companies and Inc.’s Best in Business Who we're looking for: As a Senior Software Engineer, you are an experienced software engineer excited about building innovative next-generation social good platforms to empower nonprofits … In this role, you “own” the technical quality, execution, and delivery of user stories. What you’ll do: Bring your software and full-stack experience to collaborate with a close-knit engineering team building social good platforms. Responsible for the writing and testing code and infrastructure More ❯

Senior Full-Stack Engineer (TypeScript & LLM Integration) £80-110K + Equity A hugely exciting AI start-up is seeking several experienced Full-Stack Engineers to join a dynamic product team, focused on building innovative software powered by More ❯

Full-Stack Product Engineer | AI-First B2B SaaS | London (Hybrid) We’re partnered with a top-ranked AI SaaS startup that's revolutionizing no-code AI workflows and multimodal data automation. Backed by leading AI pioneers and a recent $33M Series A, they power … AI adoption at Fortune 500 companies worldwide. The Role As the first Product Full-Stack Engineer, you’ll have a huge impact, shaping the platform, shipping to production daily, and working closely with founders. Expect challenges at scale, from applying foundation models like Gemini … Frontend : Vue.js (React experience transferable) AI Framework : PyTorch (no prior experience needed) Seeking 5+ years as a Full-Stack Engineer in a product-focused role. Passion for early-stage startups and small-team dynamics. Strong front-end experience (Vue or React a plus). More ❯

Senior Mobile Engineer - opportunity to work with Flutter | Full stack, Data/AI | Carbon Reducing B2B, Huge Series A | Salary up to £125,000 + Equity, Bonus, Benefits | London, Hybrid (3 days PW) The Company We are working with a Series A … stack responsibilities with Backend API's, improving FE code, all the way down to Data Infrastructure. This is a true Software Engineer role, where you will wear many hats! Requirements for the Senior Mobile Engineer (opportunity to work with Flutter) | Full … Benefits 3 Days Hybrid Working in the central London Office Health Insurance Dental Insurance Competitive Pension Contribution If you are interested in the Senior Mobile Engineer (opportunity to work with Flutter), please apply here and we will reach out to you if we think it will More ❯

Senior Full Stack Engineer - TypeScript, LLMs Fully Remote - UK based Salaries paying £85k - £110k + equity Oliver Bernard have partnered with a growing AI start-up who have recently secured another round of funding, and are now looking for talented Senior … Stack Engineers to shape the product and company from the ground up. We are looking for a Mid Level Engineer to join our client's dynamic product team. This is an incredible … opportunity to work with cutting-edge AI technologies and drive innovation in B2B software solutions. Role Overview: As a Senior Full-Stack Engineer, you will contribute to a unified codebase powering both B2B platforms and custom AI integrations. You'll be involved More ❯

I'm hiring for two companies: https://sherpa.cx and https://slidespeak.co are looking for a Senior Full-Stack Engineer to help build and scale their product. Sherpa are well-funded pre-seed startup building AI agents/products … for consulting firms. They're hiring a senior to manage and be a hands on contributor to the codebase. Slidespeak are the fastest-growing company in the AI-based slideshow generation space and have generated over 6 million presentations in the past year. They're looking for a … hands-on senior individual contributor. You are expected to have hands-on experience with: RAG, vectors, LLM (BEYOND just API calls) and evaluation platforms Building scalable and fault-tolerant systems Backend and Frontend technologies. This is primarily a backend role but you will be expected to contribute knowledge More ❯

Senior Fullstack Engineer - Node/TypeScrip/React - AI MedTech - Salary + Equity - Hybrid, 1 day a week FRESH has partnered with an exciting start-up that is leveraging Artificial Intelligence to improve healthcare services. Through the use of advanced AI, this software can identify potential … to proactively reach out and find solutions. As they enter their next phase of growth, they are seeking a talented and ambitious software engineer to play a key role in the next phase of their expansion. This is a unique opportunity to take ownership, influence key decisions, and More ❯

Job Title: Senior Full stack Engineer Location: Abu Dhabi, UAE Job Type: Full-time About Us AI71 is an applied research team dedicated to advancing cloud-based AI solutions for knowledge workers. Partnering closely with industry leaders, our cross-functional … products based on the cutting-edge research at the Technology Innovation Institute (TII). About the Role We are seeking a highly skilled Senior Fullstack Engineer to architect, develop, and maintain robust, scalable web applications that integrate advanced AI capabilities. This role involves close collaboration with More ❯

SENIOR/STAFF FULL STACK ENGINEER SEMI-REMOTE £100-115K THE COMPANY Love building software that genuinely changes how people work? This ambitious visual tech company is creating best-in-class tools for corporate professionals—turning traditionally tedious workflows into a … sleek, fast, and intelligent experience. Think replacing hours of manual work with tinkering with real-time, intuitive tools. THE ROLE As a Senior/Staff Full Stack Engineer , you will design and deliver end-to-end features that elevate the user experience … Scaling infrastructure and deployments Providing mentorship and setting technical direction for squads SKILLS AND EXPERIENCE The successful Full Stack Engineer will have the following skills and profile: Experience across the full stack with strong frontend architecture skills Excellent communication skills More ❯

Senior Full Stack Engineer - London, hybrid 🚀🔥 A startup who are backed by top-tier investors and building a smarter way for people to manage and move their money across borders are looking for a Senior Full Stack More ❯

Senior Software Engineer (Seniors & Staff level): 6+ years of experience 💵 Senior: £90k - £115k/Staff £120-£30k + equity 💻 Serverless AWS, Typescript (for backend), Next.js & React 🏠 Central London | Hybrid 3 days on-site 🚀 Series A in 2024 We are partnered with one of the … well as learning from some amazing Tech Leads and Staff Engineers. About you: 6 + years of experience in software engineering, building full-stack applications Experience with Typescript/JavaScript. Ideally with NodeJS/Typescript on the backend but if you have frontend experience, they're More ❯

Senior Full Stack Engineer – AI Platform £90k - £120k + Equity React and Node on AWS Fully Remote We’re hiring on behalf of a well-funded AI-first startup building the next generation of LLM-powered agents that are transforming enterprise customer … are pioneering empathetic, agentic workflows across chat, voice, and messaging channels. They’re now looking for a Senior Full Stack Engineer to join their small … high-calibre team. If you’re excited by AI-powered products, high ownership, and working on meaningful real-world problems. Key Responsibilities 🧱 Full-Stack Product Engineering Design, build, and maintain scalable features across the frontend, backend, and infrastructure Contribute to an AI-first platform integrating large More ❯

Senior Backend Python Engineer, GCP | Full stack, Data/AI | Greentech, B2B Logistics | Recent Series A Raise | Salary up to £130,000 + Equity, Bonus, Benefits | London, Hybrid (2 days PW) The Company We are working with a Series A backed scale … Full stack responsibilities with Backend API's, Cloud Infrastructure and improving FE code, . This is a true Software Engineer role, where you will wear many hats! Requirements for the Senior Backend Python Engineer, GCP | Full stack … Benefits 3 Days Hybrid Working in the central London Office Health Insurance Dental Insurance Competitive Pension Contribution If you are interested in the Senior Backend Python Engineer, GCP | Full stack, Data/AI | Greentech, B2B Logistics | Recent Series A Raise | Salary up More ❯

Senior Full Stack Developer | Golang, React, AWS | up to £90,000 We’re hiring a Senior Full Stack Developer for a growing SaaS company that's modernising how businesses handle risk and due diligence. Their platform is used … mindset with attention to user experience Familiarity with cloud infrastructure (especially AWS) Strong collaboration and communication skills Salary: £70,000–£90,000 DOE Senior Full Stack Developer | Golang, React, AWS | up to More ❯

About POSTX POSTX's vision is to change the way the world moves goods with zero carbon emissions by providing a transportation and logistics platform that enables our customers to reduce costs, improve service and avoid 100% tailpipe emissions. Our More ❯

Senior Full Stack Developer - Tech for Good AI Start-Up Base Salary: Up to £90,000 per annum Location: London, Hybrid with one day a week in office. We are seeking a highly skilled Full Stack Developer to join our … offers a competitive salary of up to £90,000 per annum, along with a meaningful slice of equity in the company. As a Senior Full Stack Developer in our team, you’ll be engaged throughout the entire process - from determining what to build and More ❯

Senior Full Stack Engineer (Backend-Leaning) Maze is proud to be partnering on a retained basis with one of the fastest-growing platforms in the creator economy space to hire a Senior Full Stack Engineer More ❯