19 of 19 Front-End Developer (Client-Side Developer) Jobs in the South East

sector? We're expanding our team of DV Cleared technologists to help design and deliver next-generation solutions that keep our nation secure. The Opportunity As a Front-End Developer, you'll play a key role in building intuitive, high-performance user interfaces for secure government and defence systems. You'll collaborate … unique requirements of Defence environments. This is a hands-on technical role for someone who's passionate about modern web development, user experience, and crafting elegant, reliable front-end solutions. Key Responsibilities Develop high-quality, responsive, and accessible web applications using HTML, CSS, and JavaScript . Build interactive, user-focused front ends using modern … to translate wireframes and prototypes into production-ready code. Optimise applications for performance, scalability, and cross-browser compatibility. Work with back-end teams to integrate front-end functionality with APIs and data sources. Conduct testing, debugging, and peer code reviews to ensure clean, maintainable code. Stay current with front-end More ❯

Front End Developer - ReactJS, Redux, Typescript London …/Remote (Must be UK based) Up to £545 per day (Inside IR35) 3 months My client is an instantly recognisable consultancy who require a Front-End Developer for a high-profile end client within the Insurance space. Key Requirements: Proven commercial experience working as a … Front-End Developer for large, complex organisations. Strong understanding of ReactJS, Redux, Typescript, HTML, CSS tech stack. Previous experience implementing analytics in a web front end using tools such as Adobe Analytics. Strong understanding of state management principles and routing strategies. Proficient in unit testing and Test-Driven More ❯

Job Title : Front-End Developer Location : London, Hampshire, Surrey, Greater London Salary : £50,000 - £70,000 We are seeking a skilled Front-End Developer to join our innovative team. You will take a lead role in designing and building intuitive, responsive applications for key … and system functionality is maintained. Develop web-based solutions using React, ASP.NET, and Bootstrap when required. Utilize tools like GoJS and Node-RED to create dynamic, interactive front-end elements. Incorporate advanced features such as AI-assisted suggestions to enhance productivity and decision-making. Skills and Experience Proven experience with WPF and MVVM , delivering desktop-based … as ASP.NET, Bootstrap, and Material Design . Awareness of advanced design trends such as Glassmorphism and dark mode support. Experience using GoJS and Node-RED for interactive front-end features. Strong problem-solving skills, attention to detail, and the ability to debug complex issues. Due to our high vacancy response rates unfortunately, we are not able More ❯

Frontend Developer - Hybrid The salary on offer for this role is £55,000 - £65,000 per annum Hybrid - Enfield, London - 3 days per week We're seeking a Frontend Developer to join our client's team to build and maintain the development and … upkeep of our e-commerce user interface. This role is key to delivering a unified, high-performance customer experience across all channels. Proficiency in modern JavaScript frameworks, client-side security, and mobile deployment techniques is required. Responsibilities & Skills Develop and maintain high-quality, responsive user interfaces for web and mobile using HTML5, JavaScript (ES6+), and advanced More ❯

Excellent opportunity for Front-End Developer looking to join a forward-thinking company producing award-winning software used by leading businesses across the globe. The successful Senior Frond Developer will need to have extensive commercial experience using ReactJS and should be comfortable working to their own initiative but … a specific build and deployment process. Skills required: Extensive ReactJS experience Be familiar with Agile development practices, including Continuous Integration and 5+ years' experience in enterprise level front-end web development: Solid understanding of semantic mark-up, including HTML5, CSS3 (comfortable with CSS animations and flexbox). Extensive ReactJS experience JavaScript, TypeScript Ability to mentor junior More ❯

Excellent opportunity for Front-End Developer looking to join a forward-thinking company producing award-winning software used by leading businesses across the globe. The successful Senior Frond Developer will need to have extensive commercial experience using ReactJS and should be comfortable working to their own initiative but … a specific build and deployment process. Skills required: Extensive ReactJS experience Be familiar with Agile development practices, including Continuous Integration and 5+ years' experience in enterprise level front-end web development: Solid understanding of semantic mark-up, including HTML5, CSS3 (comfortable with CSS animations and flexbox). Extensive ReactJS experience JavaScript, TypeScript Ability to mentor junior More ❯

Senior Front End Developer - React.js Developer West Hove, East Sussex offices - 4 days in office, 1 day per week remote after probation Salary up to £75k plus benefits depending on your experience My client are a UK SaaS company building an enterprise scale Data Analytics platform More ❯

Senior Front End Developer - React.js Developer West Hove, East Sussex offices - 4 days in office, 1 day per week remote after probation Salary up to £75k plus benefits depending on your experience My client are a UK SaaS company building an enterprise scale Data Analytics platform More ❯

Senior Frontend Developer with … SPA Web, Vue.js, Nuxt.js and TypeScript experience required by a global organisation mostly serving the entertainment sector. In this role youll influence technical direction, contribute to evolving front-end frameworks, and take a lead role in a team thats growing and innovating. The organisation delivers technology solutions across multiple sectors operating at global scale. Youll work More ❯

We are seeking a senior, creative Front End Developer (UI/UX Developer) to join a client in The City of London. This role will focus primarily on UI/UX design and development (60%) while also contributing to backend and full-stack solutions (40%). More ❯

Frontend Developer - Hybrid The salary on offer for this role is £55,000 - £65,000 per annum Hybrid - Enfield, London - 3 days per week We're seeking a Frontend Developer to join our client's team to build and maintain the development and … upkeep of their e-commerce user interface. This role is key to delivering a unified, high-performance customer experience across all channels. Proficiency in modern JavaScript frameworks, client-side security, and mobile deployment techniques is required. Responsibilities & Skills Develop and maintain high-quality, responsive user interfaces for web and mobile using HTML5, JavaScript (ES6+), and advanced More ❯

Senior Front End Developer Senior Front End Developer - Global Workforce Technology Innovator - London (Tech stack: React, React Native, TypeScript, JavaScript (ES6+), HTML, CSS, Component Libraries, Design Systems, State Management (Redux, Zustand, MobX, Apollo), Web & Mobile UI/UX, Accessibility, Front End … people who blend craftsmanship with creativity, and who take pride in building products that solve meaningful, real-world problems. If you're a Senior Front End Developer who loves making an impact, this is your chance to join a company where your work genuinely matters. This is a role for engineers who … shaping the UI across both web and mobile platforms, while influencing architectural decisions and raising the bar for engineering excellence. You'll be working in a modern front-end environment that includes React , React Native , TypeScript, component-driven development, and a rapidly evolving design system. The team values engineers who are curious, collaborative, and eager to More ❯

Join our team as an innovative senior frontend developer While we value full-stack experience, your primary focus will be on frontend development. In this role, you'll work hand-in-hand with our talented teams to craft captivating digital experiences for our clients. You'll enjoy a variety of responsibilities, including supporting client … working in the consulting, life sciences or the pharmaceutical industry Degree or equivalent experience in Computer Science, Software Engineering, Web Development, or a related field Strong front-end development skills using HTML, CSS, JavaScript, and Back-end development experience with Python and strong hands-on knowledge of Solid understanding of cloud architecture and More ❯

Excellent opportunity for Front-End Developer looking to join a forward-thinking company producing award-winning software used by leading businesses across the globe. The successful Senior Frond Developer will need to have extensive commercial experience using ReactJS and should be comfortable working to their own initiative but More ❯

client work where required and occasional travel to the head office in London for workshops/meetings Zaizi is looking for a Front End Developer with solid technology skills, who are also passionate about improving outcomes and the user experience. You will be confident in your own skills with a More ❯

Senior Frontend Developer – SaaS/B2B 📍 Banbury (Hybrid – 2 days onsite) 💰 Salary: £60,000 – £80,000 per annum Our client is a fast-growing, private equity–backed software company on an exciting journey of expansion both in the UK and internationally. The business is entering the next stage of transformation, as they modernise their More ❯

Senior Frontend Developer with … SPA Web, Vue.js, Nuxt.js and TypeScript experience required by a global organisation mostly serving the entertainment sector. In this role youll influence technical direction, contribute to evolving front-end frameworks, and take a lead role in a team thats growing and innovating. The organisation delivers technology solutions across multiple sectors operating at glob click apply for More ❯

our products with an efficient and professional execution Impactful - We improve insurance services to better protect customers ABOUT THE ROLE We are looking for a... Samurai (Frontend developer … Sword and mind must be united" Mental for cracking-the-pixel and an exceptional sense of beauty. At Spixii you will deal with the whole stack of front-end solutions, from the customer-facing applications to the back-office management systems. Wonderful UI implementations require a lot of passion: you have to love what you build More ❯

We're hiring a Senior Developer to support major NHS and healthcare digital projects. This role combines strong Vue.js front-end skills with Java-based API and microservices development. Role Responsibilities: Develop front-end features using Vue.js for NHS/healthcare applications Build and maintain RESTful APIs and More ❯