1 to 25 of 108 Front End Developer (Client-Side Developer) Jobs in London

Front End Developer Home-Based (within the UK) About Us At Family Action, we transform lives by providing practical, emotional and financial support to those experiencing poverty, disadvantage and social isolation.Since 1869, we’ve been building stronger families, and today, we work with over 60,000 families across more than 190 services. … We also support thousands more through national programmes and grants, helping everyone find the tools to overcome challenges and thrive.We are now looking for a Front End Developer to join our team on a permanent, full-time basis, working 37 hours per week. The Benefits - Salary of £43,042 per annum (inclusive … jabs vouchers- Cycle to work scheme- Investing in your professional development with ongoing quality training and career development opportunitiesThis is the ideal role for a Software Engineer with front-end experience gained with web applications, JavaScript or TypeScript and modern React to advance their career in a meaningful way with our leading, vital charity.As a critical More ❯

Developer (Vue, Nuxt) A leading retailer are building a brand new Front End Team and are looking for accomplished Senior Front-End Developers (Vue, Nuxt) to help shape the future of their website offering. This is a high-impact role where engineering excellence meets design precision-your work … designers, full stack engineers, and platform partners to deliver polished, accessible, and scalable interfaces that set the standard for luxury ecommerce. Responsibilities * Implement scalable, secure, performant and accessible front-end solutions using HTML, CSS and modern frameworks (e.g. Vue 3, Nuxt 3, TypeScript). * Translate UX designs and prototypes into production-ready code with pixel-perfect … precision. Integrate front-end components with APIs and backend services, ensuring seamless data flow and performance. * Champion front-end best practices, including testing, CI/CD, performance optimisation, and accessibility compliance. * Conduct code reviews, pair programming, and technical mentoring for junior developers. * Work closely with Product Owners, Platform Leads, UX/UI More ❯

Front End Developer/Engineer (TypeScript React Native AI) London/WFH to £65k Want to work on intellectually and technically challenging AI systems at the cutting edge of what is possible, whilst learning and collaborating with an amazing team and enjoying flexible working and a range of other perks? You could … be progressing your career as a Front End Developer at a well-established AI company acting as tech incubator within the World Economic Forum to tackle issues like climate change, AI, battery technology and other real world problems. As a Front End Developer you … within a cloud environment (AWS preferred) You are a bright, proactive individual and a strong problem solver with commercial acumen What's in it for you: As a Front End Developer/Engineer, you will earn a competitive package including: Salary to £65k Bonus Pension Healthcare Work with the latest cutting-edge More ❯

Front-End Developer (Contract - £300-£400/day, Fully Remote) (JavaScript/Vue.js) Initial 1-Month Contract | Potential for Ad-Hoc Ongoing Work We're looking for an experienced Front-End Developer to join a fast-paced digital transformation project for a leading UK … refine an order processing platform that integrates data from over 40 different software tools. The ideal candidate will have a sharp eye for detail, a strong understanding of front-end best practices, and the ability to hit the ground running in a dynamic environment. Tech Stack: JavaScript (ES6+) Vue.js HTML5/CSS3 REST APIs & JSON What … system Optimise workflows and improve system usability for internal teams Collaborate with backend developers and project leads to finalise and deploy key features Contribute to performance improvements and front-end best practices You'll Succeed If You: Have proven experience in Vue.js and modern JavaScript frameworks Thrive in fast-moving, delivery-focused environments Can jump into More ❯

Front End React Developer, React, Javascript, NW London to £80K A leading financial software company are looking for a Front End JavaScript developer who is proficient with React.js. The role is Offcie based in North West London, Your primary focus will be on developing … the infrastructure. Therefore, a commitment to collaborative problem solving, sophisticated design, and quality product is important. Responsibilities Developing new user-facing features using React.js Building reusable components and front-end libraries for future use Translating designs and wireframes into high quality code Optimising components for maximum performance across a vast array of web-capable devices and … core principles Experience with Redux and RTK (RTKQuery also a bonus) Familiarity with RESTful APIs Knowledge of modern authorization mechanisms, such as JSON Web Token Familiarity with modern front-end build pipelines and tools (Github actions a bonus) Experience with common front-end development tools such as Babel, Webpack, NPM, etc. Ability More ❯

Senior Front End Developer Location: Remote Salary: Paying up to 90,000, depending on experience. Sector: Technology/Data Infrastructure Client: Leading Global Data Centre Provider A prestigious data centre provider is seeking a highly skilled Senior Front End Developer to lead … a prime opportunity to work on high-impact digital platforms using modern technologies in a dynamic and forward-thinking environment. Key Responsibilities Design and build robust, high-performing front end applications using React and TypeScript. Apply expert knowledge of HTML5, CSS3, SCSS, and responsive design principles to create seamless user experiences across devices. Integrate and customise … application requirements. Develop modular, reusable functional components in TypeScript to promote scalability and maintainability. Candidate Profile Extensive experience in developing enterprise-scale React applications. Strong understanding of modern front end development practices and tooling. Excellent problem-solving abilities and a commitment to writing clean, efficient code. Effective communicator with the ability to collaborate across multidisciplinary teams. More ❯

Senior Front End Developer Location: Remote Salary: Paying up to 90,000, depending on experience. Sector: Technology/Data Infrastructure Client: Leading Global Data Centre Provider A prestigious data centre provider is seeking a highly skilled Senior Front End Developer to lead … a prime opportunity to work on high-impact digital platforms using modern technologies in a dynamic and forward-thinking environment. Key Responsibilities Design and build robust, high-performing front end applications using React and TypeScript. Apply expert knowledge of HTML5, CSS3, SCSS, and responsive design principles to create seamless user experiences across devices. Integrate and customise … application requirements. Develop modular, reusable functional components in TypeScript to promote scalability and maintainability. Candidate Profile Extensive experience in developing enterprise-scale React applications. Strong understanding of modern front end development practices and tooling. Excellent problem-solving abilities and a commitment to writing clean, efficient code. Effective communicator with the ability to collaborate across multidisciplinary teams. More ❯

Front End Developer |React |TypeScript| Node | 3 Months | Up to £550 per day (Outside IR35) We're looking for a skilled Front End Developer to join a fast-paced project environment. You'll work closely with a cross-functional … team to deliver high-quality, scalable web applications using modern technologies. Key skills: Essential: Strong commercial experience with JavaScript , React , and Node.js Proven ability with TypeScript and modern front-end development practices Experience integrating APIs and building performant, responsive interfaces Familiarity with modern tooling and CI/CD pipelines Confident using Git and working in collaborative More ❯

Front End Developer |React |TypeScript| Node | 3 Months | Up to £550 per day (Outside IR35) Scroll down to find an indepth overview of this job, and what is expected of candidates Make an application by clicking on the Apply button. We're looking for a skilled Front End Developer to join a fast-paced project environment. You'll work closely with a cross-functional … team to deliver high-quality, scalable web applications using modern technologies. Key skills: Essential: Strong commercial experience with JavaScript, React, and Node.js Proven ability with TypeScript and modern front-end development practices Experience integrating APIs and building performant, responsive interfaces Familiarity with modern tooling and CI/CD pipelines Confident using Git and working in collaborative More ❯

with world-class technologists and domain experts to deliver scalable, high-performance UIs that support real-time trading and analytics. Key Responsibilities Design and develop responsive, low-latency front-end trading systems using React. Build dashboards and visualisation tools for Fixed Income market data and trade execution. Collaborate with traders, quants, and back-end engineers to deliver seamless UI experiences. Contribute to architectural decisions and front-end performance tuning. Required Skills & Experience Expertise in React.js and modern JavaScript (ES6+) Proven experience delivering front-end applications in electronic trading environments Strong understanding of performance optimisation and low-latency UI design Experience with real-time data … technologies (WebSockets, FIX, etc.) Familiarity with containerized front-end platforms such as OpenFin is a plus Prior exposure to Fixed Income products (Rates, Credit, Bonds) or other capital markets Experience in data visualisation, charting and grid tools like AG Grid, Highcharts etc Ability to thrive in fast-paced, front-office environments with direct business More ❯

with world-class technologists and domain experts to deliver scalable, high-performance UIs that support real-time trading and analytics. Key Responsibilities Design and develop responsive, low-latency front-end trading systems using React. Build dashboards and visualisation tools for Fixed Income market data and trade execution. Collaborate with traders, quants, and back-end engineers to deliver seamless UI experiences. Contribute to architectural decisions and front-end performance tuning. Required Skills & Experience Expertise in React.js and modern JavaScript (ES6+) Proven experience delivering front-end applications in electronic trading environments Strong understanding of performance optimisation and low-latency UI design Experience with real-time data … technologies (WebSockets, FIX, etc.) Familiarity with containerized front-end platforms such as OpenFin is a plus Prior exposure to Fixed Income products (Rates, Credit, Bonds) or other capital markets Experience in data visualisation, charting and grid tools like AG Grid, Highcharts etc Ability to thrive in fast-paced, front-office environments with direct business More ❯

with world-class technologists and domain experts to deliver scalable, high-performance UIs that support real-time trading and analytics. Key Responsibilities Design and develop responsive, low-latency front-end trading systems using React. Build dashboards and visualisation tools for Fixed Income market data and trade execution. Collaborate with traders, quants, and back-end engineers to deliver seamless UI experiences. Contribute to architectural decisions and front-end performance tuning. Required Skills & Experience Expertise in React.js and modern JavaScript (ES6+) Proven experience delivering front-end applications in electronic trading environments Strong understanding of performance optimisation and low-latency UI design Experience with real-time data … technologies (WebSockets, FIX, etc.) Familiarity with containerized front-end platforms such as OpenFin is a plus Prior exposure to Fixed Income products (Rates, Credit, Bonds) or other capital markets Experience in data visualisation, charting and grid tools like AG Grid, Highcharts etc Ability to thrive in fast-paced, front-office environments with direct business More ❯

with world-class technologists and domain experts to deliver scalable, high-performance UIs that support real-time trading and analytics. Key Responsibilities Design and develop responsive, low-latency front-end trading systems using React. Build dashboards and visualisation tools for Fixed Income market data and trade execution. Collaborate with traders, quants, and back-end engineers to deliver seamless UI experiences. Contribute to architectural decisions and front-end performance tuning. Required Skills & Experience Expertise in React.js and modern JavaScript (ES6+) Proven experience delivering front-end applications in electronic trading environments Strong understanding of performance optimisation and low-latency UI design Experience with real-time data … technologies (WebSockets, FIX, etc.) Familiarity with containerized front-end platforms such as OpenFin is a plus Prior exposure to Fixed Income products (Rates, Credit, Bonds) or other capital markets Experience in data visualisation, charting and grid tools like AG Grid, Highcharts etc Ability to thrive in fast-paced, front-office environments with direct business More ❯

Senior Front-End Engineer – Investment Banking |£750 p/d (Outside IR35) | London/Hybrid (1 Day/Week in Office) We are partnering with a global investment bank to hire a Senior Front-End Engineer to join a flagship team delivering a next-generation, single-page application (SPA) platform for high … performance derivatives trading. This is a high-profile role on a mission-critical, front-office system with exceptional technical standards. You’ll work at the cutting edge of financial technology, contributing to a modern, reactive web platform used across trading desks. This is not your typical enterprise UI, it’s fast, data-intensive, and built to scale with … engineers on a SPA used across the investment bank for derivatives trading. Build elegant, high-performance UIs with real-time data updates and functional programming paradigms. Shape a front-end architecture trusted by traders, with a focus on resilience, performance, and usability . Leverage the latest web technologies in a fast-paced, agile development environment. Flexible More ❯

Senior Front-End Engineer – Investment Banking |£750 p/d (Outside IR35) | London/Hybrid (1 Day/Week in Office) We are partnering with a global investment bank to hire a Senior Front-End Engineer to join a flagship team delivering a next-generation, single-page application (SPA) platform for high … performance derivatives trading. This is a high-profile role on a mission-critical, front-office system with exceptional technical standards. You’ll work at the cutting edge of financial technology, contributing to a modern, reactive web platform used across trading desks. This is not your typical enterprise UI, it’s fast, data-intensive, and built to scale with … engineers on a SPA used across the investment bank for derivatives trading. Build elegant, high-performance UIs with real-time data updates and functional programming paradigms. Shape a front-end architecture trusted by traders, with a focus on resilience, performance, and usability . Leverage the latest web technologies in a fast-paced, agile development environment. Flexible More ❯

Relevant Experience: React.js, Typescript, Azure Role Description: • Bachelor’s degree in computer science, Information Technology, or a related field (or equivalent work experience). • Proven experience as a Front-End Developer with a focus on React.js and Typescript. • Familiarity with C# and .Net. • Strong proficiency in JavaScript, ES6/ES7, and related … front-end technologies. • Familiarity with state management libraries such as Redux. • Experience with version control systems, such as Git. • Experience with the Web Content Accessibility Guidelines. • Knowledge of responsive web design principles and CSS frameworks. • Understanding of RESTful APIs and asynchronous data retrieval. • Experience with unit testing. • Strong problem-solving and debugging skills. • Excellent teamwork and More ❯

Relevant Experience: React.js, Typescript, Azure Role Description: • Bachelor’s degree in computer science, Information Technology, or a related field (or equivalent work experience). • Proven experience as a Front-End Developer with a focus on React.js and Typescript. • Familiarity with C# and .Net. • Strong proficiency in JavaScript, ES6/ES7, and related … front-end technologies. • Familiarity with state management libraries such as Redux. • Experience with version control systems, such as Git. • Experience with the Web Content Accessibility Guidelines. • Knowledge of responsive web design principles and CSS frameworks. • Understanding of RESTful APIs and asynchronous data retrieval. • Experience with unit testing. • Strong problem-solving and debugging skills. • Excellent teamwork and More ❯

Relevant Experience: React.js, Typescript, Azure Role Description: • Bachelor’s degree in computer science, Information Technology, or a related field (or equivalent work experience). • Proven experience as a Front-End Developer with a focus on React.js and Typescript. • Familiarity with C# and .Net. • Strong proficiency in JavaScript, ES6/ES7, and related … front-end technologies. • Familiarity with state management libraries such as Redux. • Experience with version control systems, such as Git. • Experience with the Web Content Accessibility Guidelines. • Knowledge of responsive web design principles and CSS frameworks. • Understanding of RESTful APIs and asynchronous data retrieval. • Experience with unit testing. • Strong problem-solving and debugging skills. • Excellent teamwork and More ❯

Relevant Experience: React.js, Typescript, Azure Role Description: • Bachelor’s degree in computer science, Information Technology, or a related field (or equivalent work experience). • Proven experience as a Front-End Developer with a focus on React.js and Typescript. • Familiarity with C# and .Net. • Strong proficiency in JavaScript, ES6/ES7, and related … front-end technologies. • Familiarity with state management libraries such as Redux. • Experience with version control systems, such as Git. • Experience with the Web Content Accessibility Guidelines. • Knowledge of responsive web design principles and CSS frameworks. • Understanding of RESTful APIs and asynchronous data retrieval. • Experience with unit testing. • Strong problem-solving and debugging skills. • Excellent teamwork and More ❯

Dunbar Brown Group are excited to be working retained with our London based customer. We are looking for a Senior Front End Engineer to join a growing team for a business that is a market leader in their field. This person will drive their front end solution and will have … years experience working as Front End Engineer. This will be developing UI components in Typescript, working on web performance optimisation, ensuring code quality through unit testing. Experience integrating frontend components with Headless CMS. The role is hybrid with 2-3 working days in their central London office. *Please note that candidates need full right to work More ❯

Dunbar Brown Group are excited to be working retained with our London based customer. We are looking for a Senior Front End Engineer to join a growing team for a business that is a market leader in their field. This person will drive their front end solution and will have … years experience working as Front End Engineer. This will be developing UI components in Typescript, working on web performance optimisation, ensuring code quality through unit testing. Experience integrating frontend components with Headless CMS. The role is hybrid with 2-3 working days in their central London office. *Please note that candidates need full right to work More ❯

Dunbar Brown Group are excited to be working retained with our London based customer. We are looking for a Senior Front End Engineer to join a growing team for a business that is a market leader in their field. This person will drive their front end solution and will have … years experience working as Front End Engineer. This will be developing UI components in Typescript, working on web performance optimisation, ensuring code quality through unit testing. Experience integrating frontend components with Headless CMS. The role is hybrid with 2-3 working days in their central London office. *Please note that candidates need full right to work More ❯

Dunbar Brown Group are excited to be working retained with our London based customer. We are looking for a Senior Front End Engineer to join a growing team for a business that is a market leader in their field. This person will drive their front end solution and will have … years experience working as Front End Engineer. This will be developing UI components in Typescript, working on web performance optimisation, ensuring code quality through unit testing. Experience integrating frontend components with Headless CMS. The role is hybrid with 2-3 working days in their central London office. *Please note that candidates need full right to work More ❯

Front-End Engineer Location: London (Onsite, 5 days per week) Salary & Benefits: £80,000– £120,000 + Benefits Investigo are partnered with an innovative AI technology company. They’re on a mission to transform the way businesses leverage systems through AI-powered solutions, and they’re looking for a Front-End Engineer … The Role Lead the development of scalable, responsive, and high-performance user interfaces for a next-generation AI-powered platform. Collaborate closely with product managers, designers, and back-end engineers to deliver a seamless, intuitive user experience. Build and maintain a reusable component library to ensure consistency and quality across the platform. Contribute to frontend architecture decisions and More ❯

Front-End Engineer Location: London (Onsite, 5 days per week) Salary & Benefits: £80,000– £120,000 + Benefits Investigo are partnered with an innovative AI technology company. They’re on a mission to transform the way businesses leverage systems through AI-powered solutions, and they’re looking for a Front-End Engineer … The Role Lead the development of scalable, responsive, and high-performance user interfaces for a next-generation AI-powered platform. Collaborate closely with product managers, designers, and back-end engineers to deliver a seamless, intuitive user experience. Build and maintain a reusable component library to ensure consistency and quality across the platform. Contribute to frontend architecture decisions and More ❯