76 to 100 of 407 Full Stack Developer Jobs in London

Job description Team player to provide End to End solution, including coding and defect fixes Build scalable solution and work with testers to analyse and fix issues Perform Code Reviews, analyse issues identified and triage those Collaborate with DevOps team More ❯

We're looking for a talented Fullstack Developer to join our engineering team. You'll work on building and maintaining our web applications, contributing to both frontend and backend development. Key Responsibilities Develop and maintain full-stack web applications Write clean, efficient, and maintainable code Collaborate with designers and product managers Participate in code … reviews and technical discussions Requirements 5+ years of full-stack development experience Proficiency in React, Node.js, and TypeScript Experience with cloud platforms (AWS/GCP/Azure) Strong understanding of web security and best practices Knowledge of database design and optimization More ❯

Key Competencies & Skills: Experience with the following technologies would be highly advantageous: C# and .NET6+ Rest API's incorporated with SQL Server or Sybase DB NHibernate or Entity Framework Angular 13+ with DevExtreme UI library desirable Typescript, HTML5, CSS3 RxJS More ❯

Your mission What's the role about? ValidSoft secures transactions with services that are incredibly simple for the user. We remove the need for PINs, passwords and security questions. Built around voice biometrics, our multi-factor authentication protects Online, Smartphone More ❯

best talent around the world to be energized to join us, motivated to stay and empowered to thrive. Job Family Group: Technology Job Family: Applications Development Time Type: Full time Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status More ❯

best talent around the world to be energized to join us, motivated to stay and empowered to thrive. Job Family Group: Technology Job Family: Applications Development Time Type: Full time Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status More ❯

that values creativity, experimentation, and impact—and help redefine the future of recruitment through intelligent, human-centered technology. We’re looking for a talented and experienced Senior Fullstack Developer to play a pivotal role in the development and growth of a brand-new AI recruitment platform as it prepares to enter the market this summer. This is a … rare opportunity to take a product from Beta launch to full market release and beyond, shaping its trajectory at every stage. You’ll be central to transitioning product development from an external agency to an in-house team, while driving technical excellence, user adoption, and long-term innovation. This is a chance to build something meaningful from the … development teams, fostering best practices in coding, testing, and deployment. Participate in code reviews, architecture discussions, and system design decisions. Troubleshoot and resolve complex technical issues across the full stack. Ensure software security, scalability, and performance are maintained at all times. Keep abreast of emerging technologies and industry trends to inform strategic decisions. Skills and Experience Minimum More ❯

Fullstack Developer - Python Reactjs/TypeScript AWS £60,000 - 90,000 + share options Private medical + GP service 25+ days holiday Paid sabbaticals Flexible working Python, ReactJS/TypeScript, AWS Central London, hybrid (1 day per week) Profitable FinTech We're partnered with a profitable, VC-backed fintech scale-up that's helping thousands of small businesses … to software engineering with a strong sense of purpose and employee wellbeing. They're one of the UK's standout tech employers in the fintech space. As a Full Stack Engineer, you'll contribute to delivering a brand new card based product. It's a high-impact opportunity to work closely with industry leading Technical Leaders … You'll ship code daily, iterate quickly, and be excited to launch and scale this new product. Ideal Profile: Strong backend software engineering experience with relevance to their stack (Python) Proficient in front end technologies (React and TypeScript) Experience building scalable back end systems, ideally for customer-facing products Clear experience building and consuming RESTful APIs Bonus Points More ❯

The FX Data Analytics & AI Technology team, within Citi's FX Technology organization, seeks a highly motivated Senior Java Data Engineer. The team provides data, analytics, and tools to Citi FX sales and trading globally. Responsibilities Responsibilities of the team More ❯

Project description You will join the team behind an internal AI platform for processing and interacting with unstructured data. The team is currently over 30 people strong and is organised into agile teams, each of which is self-sufficient and More ❯

Salary £100,000 - £100,000 per year Requirements I require strong experience with modern web technologies, specifically Python, React, TypeScript, and Next.js. I need someone who cares about design, user experience, and how products feel-not just their functionality. I More ❯

Senior Fullstack Software Developer Our Client is a relatively young company but growing quickly in the world of financial technology solutions. They are now looking to recruit a Senior Fullstack Software Developer with at least 5 plus years expertise. The ideal candidate will have great problem solving and communication skills and be comfortable with fast paced More ❯

working policy, this role would require onsite visits to our London office around once or twice per month. About the Role We're looking for a Senior Fullstack Developer who can take features from concept to production with confidence. You'll have the real opportunity to own the full development lifecycle. Including planning the technical architecture More ❯

Senior Fullstack Developer London (Hybrid) I'm working with a high-traffic digital platform that's hiring a Fullstack Developer to help build and evolve their in-house publishing and content systems. The company delivers content to hundreds of millions globally and prides itself on scale, performance, and innovation. This is a great opportunity to join … in a supportive team. Experience with tools like GitHub Actions, Docker, or cloud services (AWS/GCP) is a bonus. If you're a curious and motivated fullstack developer looking to work at scale and ship meaningful features across global platforms, this could be a great step forward in your career. Apply now with your CV and GitHub More ❯

Web Designer and Developer - Central London Our Client an international company is looking to recruit a Web Developer with at least 4 years experience. The Client would like to see at least 3-4 years of experience as a web developer, with specific experience creating, implementing, and sustaining responsive websites. You should be proficient More ❯

This is a fantastic opportunity to work a remote Senior Fullstack Developer for a major pharmaceutical company on a long term contract, outside IR35. The key skills required for this Senior Fullstack Developer are: Python React Typescript AI (desirable) Java (desirable) AWS SQL Kubernetes (desirable) If you do have the relevant experience for this remote, outside … IR35 Senior Fullstack Developer role, please do send through your CV. More ❯

Position: Staff Full-Stack Developer Location: Remote (UK-based) Salary: Up to £115,000 + Benefits We're partnering with a high-growth SaaS company, founded by proven entrepreneurs, to find an experienced Staff Full-Stack Developer . Their platform is reimagining how top-tier professional services firms … with the CTO and CEO to build scalable features, shape architecture, and deliver cutting-edge solutions that drive real business impact. The right candidate will be an expert full-stack developer who thrives in fast-paced, product-driven environments. Key Responsibilities: Design, develop, and maintain full-stack features using C# … evolution Provide technical mentorship and champion engineering best practices Stay adaptable to shifting priorities in a dynamic product environment What We're Looking For: Essential: Extensive experience in full-stack development, including backend (C#, ASP.NET Core) and modern frontend frameworks Strong command of SQL and API architecture Proven ability to design, build, and ship complex systems More ❯

Full Stack Mobile Developer Tech : React Native, JavaScript, Android, iOS Why? start-up financial services, revolutionising the industry Location : Hybrid - 2 days in the office (Central London) Salary : £80,000 - £95,000 benefits Our Client A new UK-based financial services provider is launching credit card, personal loans and insurance offerings aimed at delivering … and user-friendly financial products to consumers. The organisation is committed to empowering individuals by enhancing their understanding and control of personal finance through clarity, intelligence, and technology. Full Stack Mobile Developer - Responsibilities Design, develop, and maintain advanced applications using React Native. Collaborate with cross-functional teams to define, design, and ship new features. … and speed. Troubleshoot and debug to optimize performance. Provide code reviews, feedback, and mentorship to junior developers. Stay up-to-date with new technology trends, applications, and protocols Full Stack Mobile Developer - Experience Required Proven track record of developing and maintaining high-quality mobile applications using React Native from concept through to launch. Focus More ❯

Senior/Lead Full Stack Developer | C#/Azure/Blazor | Fully Remote - Permanent Our client, a fast-growing and fully remote tech company, is hiring a Senior or Lead Full Stack Developer to build scalable, modern software products used across a global customer base. This is an … person just twice a year, and the rest is entirely remote. You'll be great for this role if you have: Proven experience as a Senior or Lead Full Stack Developer, ideally in distributed, remote-first teams Deep expertise in C# and cloud-native development using Azure and Cosmos DB Strong experience with Blazor … approach. When we recruit, we welcome the unique contributions you can bring thanks to your sex, ethnicity, race, gender identity, nationality, age, disability and beliefs. Senior/Lead Full Stack Developer | C#/Azure/Blazor | Fully Remote - Permanent More ❯

Full Stack Engineer/Developer (JavaScript TypeScript) WFH/London to £75k Opportunity to progress your career as a Full Stack Developer working on Tech for Good application for the healthcare sector that utilises AI and Machine Learning techniques to help prevent patients from experiencing health crisis. As … a Full Stack Engineer you'll collaborate with a small team working on internal tools and data platforms, with a focus on implementing robust security practices and scalable architectures. You'll use a range of technology, primarily JavaScript on the backend and TypeScript on the frontend, you'll build secure, responsive user interfaces, implement RESTful APIs … WFH: You can work from home most of the time, meeting up with colleagues in the London office once a month/quarter. About you: You have strong full stack development experience with JavaScript and TypeScript You have a strong appreciation of RDBMS, security data architecture and ISO 27001 You are collaborative, enjoy problem solving and More ❯

AI/LLM Full Stack Developer | Legal Tech Innovation Up to £85,000 + 5% Bonus London - 2-3 Times Per Week Are you passionate about the intersection of LLMs, AI innovation, and full stack engineering I'm hiring for a pioneering tech team within a leading global organisation that … s transforming how legal professionals engage with complex data. They're building cutting-edge GenAI-powered tools-and they need a talented Full Stack Developer to help bring it all to life. You'll work at the heart of an AI-driven platform that integrates large language models into real-world legal workflows-helping … optimise DevOps pipelines Stay ahead of trends in AI/ML tooling, LLM APIs , and modern development practices What You'll Bring 3+ years' experience building enterprise-grade full stack applications Strong backend skills with Python and frameworks like FastAPI or Flask Solid frontend capabilities using React , TypeScript , HTML/CSS Experience working with both SQL More ❯

Senior Full Stack Engineer/Developer (Python Vue.js) London/WFH to £75k Opportunity to progress your career in a senior, hands-on role, working on a "tech for good" product that is helping to reduce carbon emissions, via its complex data analytics platform that uses billions of data points per month. As a … Senior Full Stack Engineer you'll design and develop cloud software applications that work in conjunction with a large fleet of remotely managed IoT devices. You'll collaborate with experienced colleagues with exposure to the full product and service lifecycle from specification and architecture through to release and operation, primarily using Python and Vue.js … up with colleagues in the London office twice a month. There's also social events and volunteering days to get to know the team. About you: You have full stack software development experience including Python, Vue.js, JavaScript, SQL databases, Linux You are degree educated, having achieved a 2.1 or above in Computer Science or closely related More ❯

Full Stack Mobile Engineer Tech : React Native, JavaScript, Android, iOS Why? start-up financial services, revolutionising the industry Location : Hybrid - 2 days in the office (Central London) Salary : £80,000 - £95,000 benefits Our Client A new UK-based financial services provider is launching credit card, personal loans and insurance offerings aimed at delivering fair, flexible … and user-friendly financial products to consumers. The organisation is committed to empowering individuals by enhancing their understanding and control of personal finance through clarity, intelligence, and technology. Full Stack Mobile Engineer -Responsibilities Design, develop, and maintain advanced applications using React Native. Collaborate with cross-functional teams to define, design, and ship new features. Optimize components … and speed. Troubleshoot and debug to optimize performance. Provide code reviews, feedback, and mentorship to junior developers. Stay up-to-date with new technology trends, applications, and protocols Full Stack Mobile Engineer -Experience Required Proven track record of developing and maintaining high-quality mobile applications using React Native from concept through to launch. Focus on how More ❯

Software Engineer/Developer (Full Stack Python Vue.js) London/WFH to £75k Opportunity to progress your career in a senior, hands-on role, working on a "tech for good" product that is helping to reduce carbon emissions, via its complex data analytics platform that uses billions of data points per month. As a … and develop cloud software applications that work in conjunction with a large fleet of remotely managed IoT devices. You'll collaborate with experienced colleagues with exposure to the full product and service lifecycle from specification and architecture through to release and operation, primarily using Python and Vue.js but also using a range of other technology (JavaScript, SQL databases … up with colleagues in the London office twice a month. There's also social events and volunteering days to get to know the team. About you: You have full stack software development experience including Python, Vue.js, JavaScript, SQL databases, Linux You are degree educated, having achieved a 2.1 or above in Computer Science or closely related More ❯

Software Engineer/Developer (Full Stack Python Vue.js) London/WFH to £75k Opportunity to progress your career in a senior, hands-on role, working on a 'tech for good' product that is helping to reduce carbon emissions, via its complex data analytics platform that uses billions of data points per month. As a … and develop cloud software applications that work in conjunction with a large fleet of remotely managed IoT devices. You'll collaborate with experienced colleagues with exposure to the full product and service lifecycle from specification and architecture through to release and operation, primarily using Python and Vue.js but also using a range of other technology (JavaScript, SQL databases … up with colleagues in the London office twice a month. There's also social events and volunteering days to get to know the team. About you: You have full stack software development experience including Python, Vue.js, JavaScript, SQL databases, Linux You are degree educated, having achieved a 2.1 or above in Computer Science or closely related More ❯