1 to 25 of 37 Permanent Full-Stack Developer Jobs in London

Full-Stack Developer - Finance Technology (Java, Spark, Cloud) - Global Investment Bank We’re hiring a Full-Stack Developer to join a high-impact Finance/Regulatory Technology team within a leading global investment bank working on business-critical … focused on Java services, Spark data pipelines, and cloud transformation, partnering closely with Finance and Regulatory teams. Key Responsibilities Build and enhance full-stack applications for regulatory and financial reporting Develop Java backend services and Spark-based data pipelines Modernise platforms to cloud-native architecture Work ...

Java Full Stack Engineer Location: UK (Hybrid, with flexibility for client site travel) Type: Permanent Clearance: Eligible for UK security clearance Join a leading global consultancy driving digital transformation across industries. ...

Sr. Full Stack Developer - Asset Management Firm - London/Manchester (Hybrid) - Basic salary of up to £85,000 + Bonus and Additional Benefits package Hays are currently working exclusively with a leading asset management firm assisting them in the recruitment of an experienced Full … to join an established development team within a high-end financial services firm.The roleWe're looking for an experienced and enthusiastic full-stack developer to join the team on a permanent basis. This person will join a 5-person development team and will ...

Required Skills & Qualifications 8+ years of experience in software development Strong proficiency in Java (8/11/17) and Spring Boot Hands-on experience with Kafka and asynchronous messaging Experience with API Gateway solutions ...

Senior Full Stack Engineer | Cybersecurity Scale-Up | Fully Remote (Global) Want to use your full stack skills to help stop real-world cyber attacks? This is your ...

embody this in their work by building intuitive, effective systems that delight users and drive success. Main Responsibilities Develop and maintain full-stack web applications Develop and maintain on-robot software systems Collaborate with cross-functional teams Debug, maintain and extend the codebase Challenges Ensuring … areas. Working on a proven, commercially successful product consistently shipping units. Working on a modern Linux-based stack prioritizing performance and developer ergonomics over industry conventions. See the fruit of your labour! Interact with customers using our robots and see the wonder and joy of people ...

Java Full Stack Developer Permanent Croydon/Reading (Hybrid) £65,000 - £75,000 (DOE) + Benefits + Bonus Java Full stack Developer needed with AWS and ideally with (url removed) sector experience. Start ideally Dec 2025/… transformation business on a large-scale IT modernisation programmes for Government clients. Key experience + tasks will include: Java Full Stack Developer with experience developing large-scale micro-services, messaging, web services + distributed systems. In-depth Java 8/11 , Spring Boot, Spring ...

backend systems Build cloud-native solutions on Azure with containerization Implement RESTful APIs using Java integrated with banking platforms Develop full-stack features with JavaScript frameworks (Angular) Champion CI/CD, TDD/BDD, and engineering best practices Optimize Java applications for high-volume, high-availability ...

backend systems Build cloud-native solutions on Azure with containerization Implement RESTful APIs using Java integrated with banking platforms Develop full-stack features with JavaScript frameworks (Angular) Champion CI/CD, TDD/BDD, and engineering best practices Optimize Java applications for high-volume, high-availability ...

This is a permanent role for a UK based remote first coder with strong customer interaction experience to work in a post sales production software implementation role working in partnership with cross functional teams. Join ...

great opportunity for someone passionate about user experience, design, and intuitive interfaces, with the ability to complement their UI skills with strong full-stack development knowledge. Key Responsibilities UI/UX Focus: Design and implement modern, responsive user interfaces using React, NextJS, or Blazor. Create wireframes … development with React, NextJS, or Blazor. Proficient in wireframing and prototyping tools (Figma, Adobe XD, or similar). Solid experience in full-stack development using C#, .NET 8, Python, RESTful APIs, and microservices architecture. Familiarity with cloud platforms (Azure or AWS) and containerization technologies. Experience with ...

Generative AI innovation . This is your chance to design and build intelligent, scalable applications using cutting-edge AI, cloud, and full-stack technologies. You'll work on projects that transform public services and deliver real impact. What You'll Do Develop GenAI applications using frameworks … monitor LLM performance with tools like Langsmith . Collaborate in agile teams and mentor junior engineers. What You'll Bring Strong full-stack development experience with modern frameworks and cloud platforms. Hands-on experience with GenAI tools and LLM integration. Familiarity with containerization, Infrastructure as Code ...

JavaScript Developer, Contractor, Full-stack | NodeJS, TypeScript, React, AWS | Disruptive Start-up, B2C | Rate c/£500/day (Outside) | 6-months | UK remote or London Hybrid Opportunity: We’re supporting an innovative, fast-moving founding team. They’re building an innovative B2C platform … team to build scalable, secure, and high-performance systems that deliver an exceptional user experience. What You’ll Be Doing as a JavaScript Developer, Contractor, Backend Engineering | NodeJS, TypeScript, AWS | Disruptive Start-up, B2C | Rate £500/day (Outside) | 6-months | London, Hybrid Develop, maintain, and optimize robust ...

Full Stack Developer Family Events Platform About Loopla Loopla is a London-based family events marketplace helping parents discover and book activities for their children. Were a small engineering team, moving quickly and building the tools that power both family discovery and organiser growth. ...

Java Full Stack Engineer Location: UK (Hybrid, with flexibility for client site travel) Type: Permanent Clearance: Eligible for UK security clearance Join a leading global consultancy driving digital transformation across industries ...

opportunities to specialise or broaden your scope Essential Experience Proven ability to define and deliver long-term technical direction in ambiguous environments Full-stack development experience, with ownership of technical decisions and outcomes Experience designing and deploying scalable, observable, and maintainable systems Familiarity with microservices architecture ...

GenAI Full Stack Engineer Location: UK (Hybrid, with flexibility for client site travel) Type: Permanent Salary: £60,000 - £88,000 + Benefits and Bonus Clearance: SC cleared or eligible Join a ...

learning accessible to everyone. What was once technologically impossible is now within our grasp. We’re looking for a Senior Full Stack Developer to join our growing development team. What you will do 🚀 Design and implement a new high-scale system for millions ...

Senior Full Stack Developer | C# & React | Greenfield Trading Platform | London, Hybrid | Up to £120k + Bonus, Benefits ❗ Note: This role does not provide Visa Sponsorship ❗ 💹 Our client is looking for a Senior Full Stack Developer with strong expertise … competitive edge. The Role This is an exciting opportunity to work on real-time trading systems , where you’ll be responsible for full-stack development and play a key role in enhancing their trading platforms. C#.NET is the core back-end technology across the business. React ...

Java Developer/Software Engineer (AWS React Full Stack) London/WFH to £80k Are you a technologist Java Developer looking for an opportunity to be part of something big from the start? You could be progressing your career in an impactful … Fintech start-up, set up by a small team of finance and technology entrepreneurs with a hugely successful track record. As a Java Developer you will join a small team to build systems from the ground up, working across the full technology stack with ...

Full-Stack .NET Engineer Avanti Recruitment is hiring for a high-growth, venture-backed FinTech company that focuses on TravelTech, and has built a SaaS platform for airlines and passengers. The company works in a hybrid fashion where you will be expected in office 2 days ...

Full Stack Developer X2 (Mid-Level React.js, Node.js) Product Development (Remote, UK-based) £50k - £60k Full Stack Software Developer required to join our clients growing Product Development team. This is a unique opportunity to work remotely ...

.Net full stack Developer - Blazor We are looking for a .Net Full Stack Developer to join a thriving team within the insurance industry. This role is based in London and requires technical expertise to develop and maintain innovative … - Blazor A successful .Net Full Stack Developer should have: Proficiency in .Net technologies and full-stack development. Experience in building and deploying web applications. Strong knowledge of front-end frameworks and databases. An analytical mindset and attention ...

Senior/Lead Hands on Full Stack Developer - React/Python London | Hybrid (4days in the office and 1 day from home) £110,000+ Equity | Full-Time | Start-up We're a high-growth start-up building a leading healthcare! Looking … Full Stack developer who loves working across the stack - React on the front end, Python on the back end. You'll: Build responsive UIs in React Develop APIs & services in Python (either Django/Flask/FastAPI) Own features ...

passionate about building AI-driven features, automation tools, and scaling innovative solutions? We're looking for a Full Stack Developer with 2+ years of experience to join our forward-thinking team remotely! What you’ll do: Build and optimize AI-powered features across products. ...