1 to 25 of 43 Front End Development Jobs in the City of London

C# .Net Core React) London/WFH to £80k Are you a skilled C# Developer looking to work on complex and interesting systems with continual learning and self development opportunities You could be progressing your career at in a senior, hands-on role at a successful and scaling Retail FX Brokerage working on Greenfield systems. As a … maintainable, and reliable code for a real-time, low latency trading systems built mostly in C# and React deployed to Azure. You'll focus on C# .Net backend development within an AWS environment, but also with exposure across the full technology stack in a modern development environment with microservices. There are many technical challenges … experience, ideally you'll have some experience with Docker/Kubernetes, EKS You have a good understanding of CQRS and event driven architectures Ideally you will also have some front end development experience with JavaScript/TypeScript/React.js or Angular You have strong analytical and problem solving skills You're collaborative with excellent communication More ❯

s success – allowing us to evolve underwriting intelligently and unlock massive scale. We're a multi-disciplined team, bringing together expertise in software and data engineering, full stack development, platform 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 … document and maintain API’s and integrations • Ensure quality control using industry standard techniques such as automated testing, pairing, and code review • Work with the Product team to understand end-user requirements and translate them into an effective technical solution • Document technical design and analysis work • Assess current system architecture and identify opportunities for growth and improvement • Build mock … modelling) • Professional experience with a server-side language, ideally JVM based • Professional experience building web-based single page applications, using React/Typescript or an equivalent • Knowledge of front-end development, able to build rich user interfaces following a responsive design • HTML/CSS experience, including concepts like layout, specificity, cross browser compatibility, and More ❯

meaningful ways. Your Focus As a Fullstack Engineer, you’ll work across the frontend and backend, contributing to responsive, scalable web applications. While the role leans toward backend development, full-stack fluency is essential. You’ll collaborate with product managers, designers, and senior engineers to understand project goals and deliver high-quality solutions. You’ll work with … technologies like Node.js, JavaScript, TypeScript, and React, and play a key role in leveraging AI-powered development tools (such as GitHub Copilot, Cursor, Claude Code, or Gemini) to improve efficiency and code quality. We’re looking for someone who thrives in a dynamic, fast-paced environment and is excited to ship new features, iterate quickly, and stay … on the cutting edge of both technology and industry trends. Key Responsibilities Backend Development Design, build, and maintain scalable and secure backend services and APIs with Node.js and TypeScript. Integrate third-party services and manage data pipelines. Ensure performance, reliability, and scalability of applications. Frontend Development Build responsive user interfaces with React and TypeScript. More ❯

internal systems to support seamless user experiences. Support our low-code initiatives by developing and extending components for use in Power Platform and other automation tools. Agile, Iterative Development Work within a modern agile delivery model-focusing on iterative value delivery, fast feedback loops, and continuous improvement. Contribute to backlog grooming, technical scoping, and story writing with … pipelines to improve release velocity and confidence. Technical Skills Required: Proficiency in modern programming languages and frameworks (e.g. JavaScript/TypeScript, Python, .NET, Node.js). Experience with frontend development (e.g. React, Angular, Hugo). Strong understanding of backend systems, API design, and system integration. Comfortable working with cloud platforms such as Microsoft Azure or AWS. Familiarity with … databases (SQL/NoSQL), identity/access management, and deployment tools. Familiarity with rapid prototyping tools (e.g Figma etc) Professional Experience 3+ years in software development or engineering, ideally within a product-focused or cross-functional team. Experience working in a professional service, legal, or regulated environment is a plus, but not required. Experience collaborating with product More ❯

senior, hands-on role Backend Software Engineer role at a successful and scaling Retail FX Brokerage working on complex and interesting Greenfield systems with continual learning and self development opportunities. As a Backend Software Engineer you'll be designing and developing high quality, maintainable, and reliable code for a real-time, low latency trading systems built mostly … in C# and React deployed to Azure. You'll focus on C# .Net backend development within an AWS environment, but also with exposure across the full technology stack in a modern development environment with microservices. There are many technical challenges to explore, the initial project will be to build a KYC system from scratch. … experience, ideally you'll have some experience with Docker/Kubernetes, EKS You have a good understanding of CQRS and event driven architectures Ideally you will also have some front end development experience with JavaScript/TypeScript/React.js or Angular You have strong analytical and problem solving skills You're collaborative with excellent communication More ❯

skills. Team Player: Ability to work effectively in a collaborative team environment. Adaptability: Ability to adapt to new challenges and learn new technologies quickly. Key Responsibilities: Design and Development: Develop high-quality, scalable, and maintainable software solutions using Java, Spring Boot, and other modern frameworks. Frontend Development: Create intuitive and responsive user interfaces using … modern JavaScript frameworks/libraries (e.g., React, Angular, Vue.js). Backend Development: Implement server-side logic, database schemas, and APIs to support frontend functionality. Performance Optimization: Identify performance bottlenecks and implement solutions to optimize application performance. Automation and ML Integration: Integrate automation tools and machine learning models to enhance the functionality and performance of our applications. More ❯

Growth: Experience the excitement of being part of a company that is on the fast track to success. Join us as we grow exponentially, and contribute to the development of solutions that will reshape the travel and hospitality landscape. Autonomy and Responsibility We are looking for a talented and passionate Mid-Level Full Stack Developer to join … our team. As part of the development team, you will work on both the frontend and backend of Booked it, leveraging ReactJS for dynamic and responsive user interfaces and Laravel to develop and maintain robust backend services. You will be working with a team of talented developers to build and improve features, ensuring a seamless experience for … scalable applications. Keep your skills sharp and stay at the forefront of industry trends as we push the boundaries of what's possible. What You’ll Do Frontend Development : Build dynamic, responsive user interfaces using ReactJS , integrating seamlessly with backend APIs. Backend Development : Develop scalable APIs and business logic using Laravel (PHP) , ensuring high More ❯

AI—designing and delivering autonomous AI teams that work alongside humans to solve real-world problems. As we continue to expand our product offerings, we are seeking a talented Front-End Developer to help shape the future of human-AI collaboration. In this role, you'll build intuitive dashboards that allow users to configure and manage agent teams … chat-based interfaces to solve one of the AI era’s biggest challenges: making complex systems usable through powerful, non-chat user experiences. Key Responsibilities Develop, maintain, and optimize front-end components for modern web applications Implement responsive, mobile-friendly designs that ensure cross-platform compatibility Translate wireframes and prototypes into polished, production-ready applications in collaboration with … UX/UI designers Integrate front-end interfaces with REST and GraphQL APIs, as well as back-end systems Ensure high-quality, maintainable code through testing, debugging, and adherence to best practices Stay current with emerging UI/UX technologies to continuously improve the user experience Participate in agile development processes, including Test Driven More ❯

manage infrastructure as code with Terraform. Provide technical guidance and mentorship to junior developers. Stay up-to-date with new technology trends, applications, and protocols. Contribute to the development of technical documentation and standards. Senior Full Stack Software Developer - Experience Required Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field, or equivalent … in a start-up or scale-up environment where priorities change quickly Expertise in Node.js and AWS Lambda for serverlessbackend services Proficiency in React with Next.js for frontend development Proficiency in TypeScript and experience with infrastructure as code using Terraform Excellent problem-solving skills and attention to detail Knowledge of Agile methodologies and experience working in Agile … development environments Comfortable in a fast-paced, evolving environment. Ability to embrace change and be open-minded to different approaches Adaptable to new technologies, processes and ways of working Excellent written and verbal English For more information, contact Katie at Matched Group. Full Stack Developer/Full Stack Engineer/Software Developer/Software Engineer/Senior More ❯

provide visa sponsorship. 🚀 What You'll Do As a Senior Software Engineer at Ultralytics, you will be a key player in designing, developing, and scaling the Ultralytics HUB, our end-to-end platform for AI model development. Key responsibilities include: Designing and building robust, scalable backend services using Python and FastAPI . Developing intuitive and responsive frontend applications … Skills and Experience 5+ years of experience in full-stack software engineering. Expertise in Python and experience with web frameworks like FastAPI or Django. Proficiency in modern frontend development using TypeScript and frameworks such as Nuxt.js , Vue.js, or React. Strong experience with cloud platforms, particularly GCP , and containerization technologies like Docker . Proven experience designing and working More ❯

We’re looking for a Backend Engineer to join our global team to be responsible for the quality, development, and execution of our software products. You will be part of a technology department that is comprised of a successful and multidisciplinary group of professionals located across the globe – Barcelona, New York, London, Manchester, Bucharest and India. If … navigate complex ecosystems. To learn more about our solutions, please visit: https://globallink.transperfect.com/Your responsibilities and tasks will include: Engage in all phases of application development, with a focus on coding and debugging in alignment with security standards throughout the entire lifecycle Design, build, and maintain efficient, reusable, and reliable code/APIs to … mobile Collaborate regularly in a cross-functional team made up of product managers, quality assurance teams, designers and other developers to translate business requirements into technical solutions Collaborate with Front-end developers to integrate user-facing elements with server-side logic Identify bottlenecks and bugs, and devise solutions to mitigate and address issues Optimize web applications for More ❯

solutions in the healthcare industry, offering a collaborative and fast-paced environment for talented professionals. About the Role: We’re seeking skilled Senior Full Stack Software Engineers (*with a front-end focus) to join a high-performing team building scalable, user-centric solutions. You’ll play a key role in designing and developing intuitive, responsive interfaces, collaborating with … Participate in iterative development cycles to test and refine solutions. What We’re Looking For: 5+ years of experience in software engineering, with a focus on front-end development. Strong proficiency in TypeScript, React, Node.js, and GraphQL. Experience building responsive, user-focussed interfaces in dynamic environments. Familiarity with modern development practices (e.g. … Why Join? Join a talented, passionate and friendly team working on impactful healthcare projects. Salary up to £100K with comprehensive benefits inlc. Health/Wellness budgets and professional development opportunities Hybrid working out of their London office 2-3 days per week. 'Work from Anywhere' policy for 3 weeks of the year. Collaborate in a supportive, high More ❯

numerous awards. These include British Young Entrepreneur of the Year, Forbes 30 under 30, the UK’s top tutoring company and best Edtech company. We are looking for a Front-End WordPress Developer to take ownership of front-end updates and enhancements for our websites. You will work closely with cross-functional teams to deliver visually … appealing, highly functional, and performance-optimised platforms that delight our users. Key Responsibilities Front-End Development: Implement new features, components, and layouts using WordPress, HTML5, CSS3, and JavaScript. Content Management: Update and maintain website content in alignment with branding and SEO strategies. Responsive Design: Ensure a flawless user experience across all devices and browsers. Performance … website performance, including loading speed, code structure, and accessibility. Collaboration: Work with team members to enhance various aspects of UX/UI/SEO. Bug Fixing: Identify and address front-end issues promptly to maintain platform reliability. Plugin Management: Configure, update, and troubleshoot WordPress plugins to enhance functionality. Quality Assurance: Conduct regular testing for browser and device compatibility More ❯

tooling that keeps the codebase healthy. Give clear progress updates to the team, raise issues early, and propose improvements. Qualifications Two to four years of full-time React development, including hooks … and modern patterns. Solid knowledge of JavaScript or TypeScript, HTML, and CSS in production systems. Experience with Redux or another state management library. Familiarity with web3, crypto, or DeFi front ends, for example MetaMask, wagmi, or ethers.js. Ability to work independently, organise your own tasks, and hit deadlines without heavy oversight. Comfortable collaborating with designers and back-end More ❯

manage infrastructure as code with Terraform. Provide technical guidance and mentorship to junior developers. Stay up-to-date with new technology trends, applications, and protocols. Contribute to the development of technical documentation and standards. Senior Full Stack Software Engineer - Experience Required Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field, or equivalent … in a start-up or scale-up environment where priorities change quickly Expertise in Node.js and AWS Lambda for serverlessbackend services Proficiency in React with Next.js for frontend development Proficiency in TypeScript and experience with infrastructure as code using Terraform Excellent problem-solving skills and attention to detail Knowledge of Agile methodologies and experience working in Agile … development environments Comfortable in a fast-paced, evolving environment. Ability to embrace change and be open-minded to different approaches Adaptable to new technologies, processes and ways of working Excellent written and verbal English For more information, contact Katie at Matched Group. Full Stack Developer/Full Stack Engineer/Software Developer/Software Engineer/Senior More ❯

manage infrastructure as code with Terraform. Provide technical guidance and mentorship to junior developers. Stay up-to-date with new technology trends, applications, and protocols. Contribute to the development of technical documentation and standards. Full Stack Software Developer - Experience Required Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field, or equivalent experience … in a start-up or scale-up environment where priorities change quickly Expertise in Node.js and AWS Lambda for serverlessbackend services Proficiency in React with Next.js for frontend development Proficiency in TypeScript and experience with infrastructure as code using Terraform Excellent problem-solving skills and attention to detail Knowledge of Agile methodologies and experience working in Agile … development environments Comfortable in a fast-paced, evolving environment. Ability to embrace change and be open-minded to different approaches Adaptable to new technologies, processes and ways of working Excellent written and verbal English For more information, contact Katie at Matched Group. Full Stack Developer/Full Stack Engineer/Software Developer/Software Engineer/Senior More ❯

CI/CD pipelines, observability tools, and automation processes to help the team build and deploy reliably. Experience and qualifications: You have 5-7 years of professional software development experience, primarily on the JVM . Experience building and maintaining full stack applications, including backend APIs and frontend user interfaces. Hands-on experience deploying microservices in production environments. … Familiarity with modern frontend development, including frameworks like React, Vue, or Angular. Exposure to cloud platforms, especially AWS and services such as Lambda, ECS, DynamoDB, etc. Solid understanding of data modeling for distributed systems and working with NoSQL databases. Strong grasp of computer science fundamentals, including data structures, algorithms, and system design. Clear communicator and collaborative team More ❯

backed by prominent investors from the US and the UK, including institutional VC funds and C-level executives of global technology companies. The role involves the design and development of a web-based application for Machine Learning workloads. We put strong emphasis on user experience, aesthetics and pixel-perfect design. You will be working closely with the …/ui and Tailwind. We use Figma for wireframes and ideation. We are highly confident in our backend API schemas and functionality. What we are looking for: Frontend development: 5+ years of industry experience in frontend engineering, developing and designing responsive web applications using TypeScript. Excellent knowledge of the frontend fundamentals: In-depth knowledge of the core More ❯

culture seeking creative entrepreneurial people like you to join our team. We’re hiring a Frontend Engineer to join our global team to be responsible for the quality, development, and execution of our software products. If you’re ready to join a growing company and make an immediate impact, we want to hear from you! You will … through code development, while also conducting thorough investigations and resolution of bugs Develop modular, reusable code components to streamline development and maintenance Utilize front-end frameworks like Vue.js, or Angular to create scalable and reusable UI components Optimize code and assets to ensure optimal load times and smooth performance Perform code reviews … Provide constructive feedback to the technical staff during all phases of the software lifecycle to keep development priorities aligned with business needs Take ownership and drive end-to-end quality software development processes The minimum we’re looking for (show us what you got if you aren’t a perfect fit More ❯

platform powers experiments ranging from simple reaction time tests to complex simulations. As the product evolves, the company is looking for a Full-Stack TypeScript Developer with a strong front-end focus to join their remote team full-time. In this role, you'll help reshape the product's user interface, improving clarity, usability, and the overall experience … product's design and functionality in a growing, mission-driven environment. Main Responsibilities: Develop and improve features across the platform using TypeScript, Node.js, Express, and jQuery. Take ownership of front-end development tasks, with a strong focus on improving UI/UX, especially in onboarding and user journeys. Rethink and redesign user flows to make … features quickly and iteratively. Integrate third-party APIs (analytics, tools, etc.) as needed. Main Requirements: 3+ years of experience in full-stack web development, with a front-end emphasis . Strong skills in TypeScript, HTML, CSS, and jQuery. Backend development experience with Node.js and Express. A good sense for user experience, capable More ❯

business models, and preparing business cases. Ensures compliance between business strategies, enterprise transformation activities and technology directions, setting strategies, policies, standards and practices. Responsible for effective and timely development of new and/or enhanced systems/technologies. Monitors all aspects of the Software Development Lifecycle and Production Support service levels. Ensures high level … business processes. Prepares business cases, including financial analyses of potential new technologies/systems/applications. Evaluates based on company strategic needs and resource availability. Oversees business analysis, development work and quality assurance of projects for assigned systems/technologies. Contributes to the development of information technology development standards, policies, processes … Server and PostgreSQL) and non-relational database technologies as such as Memcached, MongoDB and Redis. Experience with Insurance/Reinsurance Systems and Data. High level knowledge/expertise of Front-end development such as: ReactJS, Webpack, HTML5, CSS, Bootstrap, jQuery, Accessibility and Responsive Layouts UI/UX development experience More ❯

manage infrastructure as code with Terraform. Provide technical guidance and mentorship to junior developers. Stay up-to-date with new technology trends, applications, and protocols. Contribute to the development of technical documentation and standards. Full Stack Software Engineer - Experience Required Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field, or equivalent experience … in a start-up or scale-up environment where priorities change quickly Expertise in Node.js and AWS Lambda for serverlessbackend services Proficiency in React with Next.js for frontend development Proficiency in TypeScript and experience with infrastructure as code using Terraform Excellent problem-solving skills and attention to detail Knowledge of Agile methodologies and experience working in Agile … development environments Comfortable in a fast-paced, evolving environment. Ability to embrace change and be open-minded to different approaches Adaptable to new technologies, processes and ways of working Excellent written and verbal English For more information, contact Katie at Matched Group. Full Stack Developer/Full Stack Engineer/Software Developer/Software Engineer/Senior More ❯

backed by prominent investors from the US and the UK, including institutional VC funds and C-level executives of global technology companies. The role involves the design and development of a web-based application for Machine Learning workloads. We put strong emphasis on user experience, aesthetics and pixel-perfect design. You will be working closely with the …/ui and Tailwind. We use Figma for wireframes and ideation. We are highly confident in our backend API schemas and functionality. What we are looking for: Frontend development: Experience in frontend engineering, developing and designing responsive web applications using TypeScript. Knowledge of the frontend fundamentals: Familiarity with the core technologies, including HTML5, CSS3, TypeScript and React. More ❯

backed by prominent investors from the US and the UK, including institutional VC funds and C-level executives of global technology companies. The role involves the design and development of a web-based application for Machine Learning workloads. We put strong emphasis on user experience, aesthetics and pixel-perfect design. You will be working closely with the …/ui and Tailwind. We use Figma for wireframes and ideation. We are highly confident in our backend API schemas and functionality. What we are looking for: Frontend development: At least 2-3 years of industry experience in frontend engineering, developing and designing responsive web applications using TypeScript. Excellent knowledge of the frontend fundamentals: In-depth knowledge More ❯

in React.js and its core principles, including state management (e.g., Redux, Context API), hooks, and lifecycle methods. Testing: Proficiency in testing frameworks such as Jest, React Testing Library, and end-to-end testing tools. Build Tools: Familiarity with modern build pipelines and tools. Version Control: Experience with Git and collaborative workflows. Soft Skills: Excellent communication skills, with the … Node.js, particularly in creating scalable and performant backend services, with a thorough understanding of asynchronous programming patterns, event-loop mechanics, and Node.js internals. Demonstrable hands-on experience using modern front-end build tools and bundlers (Webpack, Rollup, Vite). Comprehensive experience with modern testing tools and frameworks, such as Jest, Vitest, React Testing Library, Playwright, or Cypress, including … writing robust unit, integration, and end-to-end tests, as well as establishing best practices for test coverage and continuous integration pipelines. Significant experience in optimising application performance, specifically focused on frontend and SSR performance improvements through effective use of code-splitting, hydration strategies, caching, and state management solutions. Familiarity and practical experience with current JavaScript language features More ❯