1 to 25 of 34 Permanent Full-Stack Engineer Jobs in Berkshire

We are looking for a Senior/Principal Full-Stack Software Engineer to join our growing team at Clearly. This is a high-impact role where you will shape the technical foundation of our platform, influence product direction, and help us scale as a company. You’ll work closely with a cross-functional team … of industry trends and bring best practice into the team. What you’ll need 5+ years of professional experience as a JavaScript/TypeScript engineer (full-stack). Experience in a leadership role is a plus. Proven experience working in an early-stage startup environment, ideally in B2B SaaS. You know how to thrive More ❯

Full-Stack Engineer – London A high-growth, AI-native enterprise software startup is looking for seasoned Full-Stack Engineers in London to help build and scale their AI-enabled workspace for professional services, investment banking, and asset managers. What you’ll be doing Building and maintaining frontend web applications using … often be in unfamiliar territory, but you’ll have real ownership and visible impact If you’re a pragmatic engineer who enjoys building robust, scalable, full-stack web systems, and you’re excited by working on next-gen enterprise AI products, this could be the right next step. More ❯

Full Stack JavaScript Developer (Mid-Level) Salary: £65,000 - £70,000 pa (depending on experience) plus benefits, perks and healthcare options Location: Hybrid/2 x days per week - Travel to London Job Type: Permanent Security More ❯

ambitious vision that will require the development of products and solutions at the cutting edge of Machine Learning and AI. We’re looking for a highly skilled Full-Stack Engineer to help us make this vision a reality. The ideal person for this role will have a track record of writing and shipping quality More ❯

About Client: A FTSE 250 global fintech company headquartered in London with a presence in 18 countries and five continents. Their award-winning products and platforms empower go-getters around the world giving them access to over 19,000 financial More ❯

applications for performance, scalability, and security Collaborate cross-functionally with engineering, product, and AI teams to deliver high-impact features About You We’re seeking an experienced full-stack engineer with a strong foundation in Python back-end development and the versatility to work across the stack. You’re passionate about building scalable, intelligent … with CI/CD pipelines, Docker, and DevOps workflows Experience designing or integrating authentication and authorisation systems (e.g., OAuth2, JWT) Success Metrics Deploy secure, scalable, and maintainable full-stack systems and LLM applications that deliver measurable business value Maintain low latency, high system uptime, and strong performance across APIs and AI services Drive fast, iterative collaboration More ❯

Full-stack Engineer (AI Focused) – London A fast-growing AI-native enterprise software startup is hiring two experienced Full-stack Engineers in London. The company builds a sophisticated AI workspace tailored to financial modelling, private equity, consultancies and asset managers, with live production deployments at leading institutions. What you’ll More ❯

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 ❯

residency for 5+ years) Level: All experience levels welcome Why This Role Is a Game-Changer This isn't just a dev job-it's your chance to engineer the future. Join a trailblazing tech consultancy working on mission-critical platforms that power everything from AI-driven decision systems to cloud-native infrastructure supporting national services. You'll 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 ❯

Senior Frontend Developers – Permanent We’re looking for multiple Senior Frontend Developers to join the team on a permanent basis. This is a fantastic opportunity for experienced engineers who want to combine hands-on development with mentoring and leadership. The More ❯

scale. Role Description This is a full-time hybrid role based in London for a Full Stack Engineer. The Full Stack Engineer will work with the product team to design and develop both the front-end and back-end of our product. Day-to-day tasks include collaborating … improving existing features, troubleshooting and debugging, and ensuring the scalability and performance of software systems. Qualifications 5 years of demonstrable professional experience as a front-end or full-stack engineer Back-End Web Development and Software Development skills (Python/Node.js/Typescript) Front-End Development (React/TypeScript/CSS proficiency essential) Experience … in full-stack development with SQL databases (Postgres) and deployment on AWS or Azure Bachelor's degree in Computer Science, Engineering, or related field Experience with AI stacks, model components, and integration is preferred Right to work in the UK It is a great opportunity to get in early, help shape the product from the ground More ❯

house repair centre in East London and our whole team is made up of driven, passionate and exceptional players. About the role: This is a hands-on, full-stack position reporting directly to our Head of Technology. You will be one of only two developers on the team, with real ownership over features, infrastructure, and decisions. … and collaborative development Contribute ideas to improve architecture, scalability, and performance What we're looking for: 1-2 years (junior) or 2–4 years (mid-level) of full-stack or backend/frontend development experience Solid experience with Python and FastAPI (or similar Python frameworks) Strong skills in React and TypeScript Practical knowledge of MongoDB and More ❯

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 week) Experience Required: 5+ years Remuneration : £75k → £100k + Generous ESOP Visa : Unfortunately, we … 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 … will have a direct impact on its success. Have the opportunity for fast career growth. Enjoy yourself! Apply if: You have 5+ 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 ❯

where human well-being is safeguarded while closing the gaps in critical global labour needs. We are now looking for a Full Stack Software Engineer with a strong frontend focus to help design and build a modern, web-based platform for managing and monitoring our robots and systems. While we operate in the robotics More ❯

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 More ❯

operations, algorithm 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 … 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 based • Professional experience building More ❯

Ocean Orchestra - Senior Full Stack Engineer At a glance : 💰 £75–95K + equity 🌍 Climate tech with global impact 🛠 Early engineer, greenfield build 🏠 Remote-first UK + London office a few days 🎯 Autonomy, ownership, and direct impact About the Company Founded in January 2025, Ocean Orchestra aims to be a generational force for More ❯

Full Stack Engineer/Developer (TypeScript Elixir AWS) 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 Full Stack … 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 Full Stack 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 the …/SMEs and have good business acumen Ideally you will have a good understanding of financial markets Apply now to find out more about this Full Stack Engineer/Developer (TypeScript Full Stack Elixir) opportunity. At Client Server we believe in a diverse workplace that allows people to play to More ❯

Job Title: Fullstack Engineer (Contract – Outside IR35) Location: Hybrid (2 days per week onsite in London) Contract Type: Outside IR35 About the Role We are seeking an experienced Fullstack Engineer to join on a contract basis, contributing to the design and development of scalable web applications. You will work across the full stack More ❯

capabilities: IT Architecture Cloud Engineering Software Engineering Intelligent Process Automation Quality Management The Role We are seeking a skilled and enthusiastic Full Stack Software Engineer to join our technology delivery team. You’ll be working with clients and cross-functional teams to design, test, build and support secure, scalable web applications. This role requires More ❯

Our mission is to bring the intelligence of modern machine learning directly to the in-store shopping experience. Role: We’re looking for an experienced Full Stack Engineer to work closely with product, design, mobile, and machine learning team members to design & build experiences that re-define in-store shopping. You'll help help … Integrate AI-driven personalisation and real-time insights into user flows Contribute to overall system design: service boundaries, data ownership, scaling, and observability Essential Qualifications: Built modern full-stack applications (Python/Java/Go + React) Worked with a variety of storage technologies (eg. Postgres, Mongo, Redis, Object) Experience with async and bi-directional communication More ❯

We’re looking for a Full Stack Engineer with a strong focus on building exceptional user interfaces. This is an early-stage role where you’ll help shape both the product and the technical foundation, working closely with a small team to deliver intuitive, high-quality experiences. What You’ll Do Design and build … years of production experience building React applications with strong UI/UX sensibilities. Hands-on expertise with Next.js (SSR, SSG, API routes) and TypeScript. Solid full-stack capabilities, including SQL and database design (PostgreSQL/MySQL). Experience with modern CSS approaches (Tailwind, CSS Modules, Styled Components). Familiarity with containerization and deployment practices (ideally Kubernetes More ❯

Are you a versatile full stack engineer who thrives on variety and innovation? We’re hiring two engineers to join a newly formed Special Operations team — dedicated to building out initiatives that can’t be supported by busy delivery teams. Think of this as the Swiss Army knife role — you’ll work across different More ❯

Are you a seasoned full-stack developer ready to lead with NodeJS, React, and modern PHP? Looking for a senior-level role where your code powers real-time, high-traffic platforms? Want to shape scalable architecture while mentoring others in a high-performing tech team? Our client is hiring a Senior Software Developer to take a More ❯