10 of 10 Permanent Front-End Developer (Client-Side Developer) Jobs in London

Career Opportunities: Front-end Developer (10812) Requisition ID 10812 -Posted - Years of Experience (1) - Technology - Where (1) Open Reply is the Reply Group company specialising in E-commerce and Digital Experience. We work with clients who are looking to incorporate E-commerce solutions, or wanting to migrate from their current platform to … made solution for cutting edge services that are based on the best of breed across eCommerce, digital, web, apps and flexible platform design. Role Overview: As a Front-End Developer at Open Reply, you will be an integral part of our core delivery team, focusing on enhancements for Web, eCommerce, and Mobile … Innovation is highly valued at Open Reply, and knowledge or experience with AI-related technologies will set you apart in the selection process. Responsibilities: Perform hands-on front-end development for web and mobile applications. Build responsive, user-friendly interfaces using React, Next.js, PHP, and React Native. Adhere to best practices and coding standards, maintaining clean More ❯

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 ❯

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 ❯

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 ❯

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 ❯

UI/UX Designer & Frontend Developer Mobile, Figma, Javascript, HTML, CSS - Global O utstanding opportunity to join this global enterprise and famous brand within the magic circle of the legal sector. From a technology perspective, this organisation is a leader in its domain, significantly investing in AI and automation within an established cloud native (Azure), DevOps … experience ensuring the product is intuitive, accessible, and visually engaging. Key Responsibilities: Design and implement responsive , user-friendly interfaces for a legal SaaS/mobile platform Develop front-end components using HTML, CSS, Javascript & TypeScript within a .NET environment . Collaborate with product managers, engineers, and end-users to translate requirements into elegant UI … design documentation and UI component libraries for scalability and reuse. Required Skills & Experience: Strong creative background in UI/UX mobile design with Figma , Balsamiq & Adobe Strong front-end development skills with HTML, CSS, TypeScript, and JavaScript . Familiarity with SaaS product development and cloud-based deployment (ideally Azure) Solid understanding of responsive design, accessibility (WCAG More ❯

UI/UX Designer & Frontend Developer Mobile, Figma, Javascript, HTML, CSS - Global O utstanding opportunity to join this global enterprise and famous brand within the magic circle of the legal sector. From a technology perspective, this organisation is a leader in its domain, significantly investing in AI and automation within an established cloud native (Azure), DevOps More ❯

We're looking for a Front End Developer specialised in Magento Commerce. The ideal candidate should have proven experience with large, scalable web applications. This permanent role will be based in our head office in London. The candidate should be passionate about their work and enjoy working in an open, fun and More ❯