76 to 100 of 131 Front-End Developer (Client-Side Developer) Jobs in the UK

Front End Developer | £650 - £750 P/D (Inside IR35) | 6 Month Contract | London (Hybrid) | Global Retailer We are currently seeking an experienced Front End Developer to join a high-profile programme with … backend engineers to deliver exceptional user experiences. Key Responsibilities Develop, maintain, and enhance responsive web applications. Build clean, reusable, and efficient front-end code. Work closely with UX/UI designers to translate designs into functional user interfaces. Optimise applications for maximum speed and scalability. Collaborate ...

Front End Developer | £650 - £750 P/D (Inside IR35) | 6 Month Contract | London (Hybrid) | Global Retailer We are currently seeking an experienced Front End Developer to join a high-profile programme with … backend engineers to deliver exceptional user experiences. Key Responsibilities Develop, maintain, and enhance responsive web applications. Build clean, reusable, and efficient front-end code. Work closely with UX/UI designers to translate designs into functional user interfaces. Optimise applications for maximum speed and scalability. Collaborate ...

ready code) in a fast-moving agile team Develop new user-facing features using Angular, NodeJS, and TypeScript Build reusable components and front-end libraries that reduce duplication and speed up future delivery Translate designs and wireframes into high-quality, production-ready code Collaborate with back … Front End Software Developer - Requirements 5+ years commercial experience as a Front End Developer Experience with Angular 21 including libraries such as NgRx and RxJS Solid understanding of TypeScript and NodeJS Knowledge of modern ...

Frontend Developer HTML5 CSS Javascript80,000 Plus EMI OPTIONS SchemeHome work and flex work encouragedQuant Capital is urgently looking for a Frontend JavaScript Developer to join our high profile client.Our client is fintech start up with 5 people. Its founders … built but only to proof of concept level. This next stage of development will include massive scaling. As a front end developer you will lead the entirety of the front end.·Lay solid foundation for our UX/UI development ...

take your React and React Native skills to the next level? All you need is: 7+ years of experience as a Front-End Engineer; Strong proficiency in React 18+, including hooks, context, and modern patterns; Expert-level TypeScript experience with advanced types and strict configurations; Strong … state management tools (Redux, MobX, Zustand, etc.); Proven experience in building SPAs, PWAs, and working with RESTful and GraphQL APIs; Familiarity with front-end build tools (Webpack, Vite, Rollup) and CI/CD pipelines; Experience with automated testing frameworks (Jest, Cypress, etc.); At least ...

developers. This is an excellent opportunity to contribute to high-profile digital services used across the public sector while working on modern front-end technologies. Key Responsibilities Develop and maintain responsive, high-quality web applications using React. Work closely with UI/UX designers to translate … designs into intuitive user interfaces. Build reusable components and front-end libraries for future use. Write clean, maintainable and well-tested JavaScript code. Collaborate with cross-functional Agile teams to deliver new features and enhancements. Participate in code reviews and contribute to continuous improvement initiatives. Essential ...

Mercator is seeking a dynamic, forward-thinkingFrontend Developer with excellent communication skills who can help Mercator in its continued transformation. You will be open-minded, happy to work on your own or as part of a team and want to learn new technologies and promote best … techniques with technical and non-technical team members within Mercator Knowledge/experience Skills You will need: Use and implementation of modern front-end web technologies such as HTML5, CSS3, AJAX, REST, JSON Good understanding of web/agile technologies & protocols Demonstrable experience in automated testing ...

seeking a highly skilled React Developer with strong UX Design expertise to design and build intuitive, scalable, and user‐centric web applications. The ideal candidate should have hands‐on experience in React development and a deep understanding of user experience principles, wireframing, prototyping, accessibility, and responsive ...

Principal Front End Developer/Engineer (React) London/WFH to £120kAre you an experienced Front End Developer, with technical project leadership and client facing skills You could be progressing your career … your family, including mental healthTravel InsuranceCharitable givingGym membership for you and your familyFlexible holiday schemeYour role:As a Principal Front End Developer you will lead the development of scalable and secure web applications for global financial clients using modern JavaScript frameworks, primarily ...

Norton Blake is seeking an experienced Front-End Developer to join an established engineering team in London on a hybrid basis. You will contribute to a customer-facing, search-led digital platform and help deliver value from day one. The role focuses ...

experience. If our team feels you are better suited for another role, we will reach out about the alternate opportunity.Position Overview:Front-end developers at Squarepoint are instrumental in enhancing user experience on our sophisticated research and trading platforms. You will use React and Typescript ...

help deliver modern React applications while contributing to shared engineering standards, reusable UI components and platform tooling. The work combines modern front-end engineering with distributed systems, messaging technologies and performance optimisation, making it ideal for engineers who enjoy solving complex technical challenges. Responsibilities Design, develop … through modern CI/CD pipelines into containerised production environments. Strong commercial experience with React and TypeScript . Experience delivering complex production front-end applications. Experience consuming real-time streaming data using WebSockets, RSocket or similar technologies. Strong understanding of asynchronous programming and responsive UI design. ...

Team Lead Ruby/Frontend DeveloperQuant Capital is urgently looking for a Lead Frontend Ruby or JavaScript Developer to join our high profile client.Our client is a brand new investment firm driven by technology. They are well known in the media as solving … months. As their product is web based this position is key to growth and stability.The position is for a hands on Lead Developer to build new and maintain existing frontend applications and sites communicating with a Java API. The current team has 2 bleeding edge ruby ...

technology and data to deliver high-quality returns.A dynamic and entrepreneurial options trading team is seeking a highly skilled and passionate Front-End Developer. This role is ideal for those who enjoy building intuitive, high-performance dashboards and tools while working closely with quants & traders … deliver best-in-class applications.Key Responsibilities:Build and Develop UIs: Design and implement front-end applications such as trading dashboards, risk and monitoring tools, and research interfaces using React and TypeScript.UX & Design: Own the end-to-end UX standards for key tools ...

technology and data to deliver high-quality returns. A dynamic and entrepreneurial options trading team is seeking a highly skilled and passionate Front-End Developer. This role is ideal for those who enjoy building intuitive, high-performance dashboards and tools while working closely with quants & traders … deliver best-in-class applications. Key Responsibilities: Build and Develop UIs: Design and implement front-end applications such as trading dashboards, risk and monitoring tools, and research interfaces using React and TypeScript. UX & Design: Own the end-to-end UX standards ...

Junior Frontend Developer – Fintech35,000 + benefitsQuant Capital is urgently looking for a Frontend Developer to join our high profile client.Our client is a brand new investment big social data business. They have created a market leading product … quantitative asset management market. They combine Big Data Quantitative research with market changing ideas.The frontend developer will be responsible for all of the UI and frontend of the platform. The Developer will be able to shape this greenfield platform as they like.This ...

Senior Frontend Developer About the Role We're looking for a Senior Frontend Developer to take ownership of a modern React and TypeScript platform and play a key role in shaping its future. This is an opportunity to have real influence over … architecture, engineering standards, developer experience, and the quality of the product. You'll design and deliver high-impact features, champion modern frontend practices, and help create intuitive, accessible experiences used by customers around the world. Working closely with Product, Design, and Engineering teams, you'll drive ...

fulfilment of Global’s commercial inventory — including AdPower, order management and pricing portals used across the business.As a Senior Frontend React Developer at Global, you’ll own the frontend technical direction across this space, working alongside the Tech Lead. You’ll drive architecture decisions, lead delivery ...

modern, scalable web applications within the COTAX programme. This is a fantastic opportunity to contribute to impactful digital services using cutting-edge front-end technologies. Key Skills & Experience React Frameworks Strong experience with modern React frameworks, particularly Remix and/or React Router v7 Server-Side … End-to-End Testing (E2E) Experience with modern E2E testing frameworks, especially Playwright What You'll Bring Strong front-end engineering mindset with attention to performance and usability Experience delivering high-quality, production-ready code Ability to work within agile, collaborative environments ...

Options Firm: Global Software firm in the business intelligence and Performance space.Frontend HTML5 DeveloperQuant Capital is urgently looking for a Frontend HTML5 Developer to join our high profile client.My client is a growing global BI and performance management firm. They are dominated by technology … sharp end of technology and the possibility of making serious money doing something you are passionate about. Frontend Developer must have: (Below also shows tech stack) • Proven experience in the development of web applications. (ideally high demand) • Expert in developing web applications using JQuery ...

Genuine influence over technical direction Hybrid working from a new Liverpool City Centre office If you’re a Senior Front End Developer looking for the opportunity to work on a new product from the ground up, have genuine technical input and work ...

that develops auto-scoring software means it needs forward-thinking technologists to join the team. They are now looking for a Frontend Developer to join their founding technology team and build their product from the ground up What You’ll Be Doing Design, build, and maintain ...

Frontend Developer – Bootstrap JavascriptBrussels90,000 Plus Bens – Flex WorkingQuant Capital is urgently looking for Frontend Developer to join our high profile client.Our client is a well known insuretech business. They are a small subsidiary of a much larger financial exchange … team and the production support of those components.In many cases, you will work with various members of the team to develop new front-end interfaces from scratch, fulfilling a need in the financial and life insurance sectors.You will need to establish testing procedures and where possible ...

architecture and logic Advocate and implement best practices for security, data protection, and backend resilience, aligning with enterprise-grade standards Collaborate with front-end teams to design backend interfaces that support seamless and intuitive user experiences Elevates code into the development, test, and production environments … skills essential for the role: Angular, JavaScript, TypeScript Spring Boot, Java S3 Buckets, lambda, ECS Kong Cypress, TypeScript Technology we use: Front-End: Angular, JavaScript, TypeScript, AEM (Hybrid), GraphQL, SSR, NgRX, Jest, SCSS Backend: Spring Boot, Java, OpenTelemetry, HoneyComb, Liquibase, REST API's. Cloud/ ...

Frontend Developer - Circa £450-£500 per day Inside ir35 (depening on experience) - Remote - 3 months rolling Please note: Due to the nature of the project, successful applicants will be required to be SC cleared prior to appointment My client is a global leading ...