21 of 21 Front-End Developer (Client-Side Developer) Jobs in London

Front-End Developer to build high-performing Vue and TypeScript applications for a global charitable organisation . This is a chance to lead the development of intuitive digital products that support over 175,000 members worldwide . Why Join Them? Meaningful Tech … Hybrid Flexibility: Enjoy the collaborative energy of a Central London office with 2 days per week remote work . Architectural Influence: Lead front-end decisions , mentoring mid-level developers while shaping the PWA and SPA roadmap . The Organisation Our client is a prestigious ...

rapidly growing, UK-based multi-channel retail organisation is seeking an experienced Senior Front-End Developer to join its technology team. This is a hands-on role focused on building and optimising large-scale, customer-facing digital platforms across multiple e-commerce … brands. You will play a key role in shaping front-end architecture, improving performance and accessibility, and supporting personalisation initiatives. The role also includes mentoring responsibilities and close collaboration with cross-functional teams. The Role As a Senior Front-End Developer ...

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 … 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 ...

Front-End Developer (SC clearance required) Start Date: ASAPRole Duration: 1 year£500/day Inside IR-35Location: Remote with occasional travel to Croydon OverviewThis position is part of a major public sector programme focused on building secure, user-friendly interfaces … deliver responsive and accessible solutions. Required Skills* React* TypeScript/JavaScript (when used in the browser) Nice to Have Skills* Playwright (front-end testing) Reasonable Adjustments: Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built ...

Senior Front-End DeveloperLondon - Hybrid£55,000 - £65,000 + Private Medical + Good Pension + Life Assurance + 25 days holiday + Gym + Flexible Working + More This is an exciting opportunity for a Senior Front-End Developer … mobile applications used by a large and diverse user base.You will take a lead role in building high-quality, accessible, and maintainable front-end solutions across a single-page admin platform and a progressive web application. Working closely with UX, design, and backend developers, you will ...

Front-End Developer - React, Typescript Location: Ipswich (Onsite, 5 days per week) Contract Duration: 7 months IR35 Status: Inside IR35 About the Role My client, a leading global tech company , is looking for an experienced Front-End … development activities Essential Skills & Experience Strong proficiency in TypeScript and React Experience with Agile methodologies and tools like JIRA Solid understanding of front-end architecture and best practices Ability to write automated tests and maintain high-quality code Excellent communication and collaboration skills If the role ...

Front-End Developer to build high-performing Vue and TypeScript applications for a global charitable organisation . This is a chance to lead the development of intuitive digital products that support over 175,000 members worldwide . Why Join Them? Meaningful Tech ...

I am currently working with a London-based financial services client who are actively seeking multiple Frontend Developers for a brand-new business-critical project. What you'll need to succeed Extensive React ...

will directly influence how high-profile brands connect with their audiences. Who we're looking for We're looking for a front-end developer who's motivated, curious, and excited to create impactful e-commerce experiences. You'll be joining … write well-structured, semantic, and accessible HTML Confidence writing framework-agnostic, performance-focused JavaScript Awareness of WCAG accessibility guidelines Solid understanding of front-end performance best practices Strong attention to detail when building polished, complex interactions A positive, problem-solving mindset and broad technical curiosity Experience ...

working on modern, user-focused web applications. This role is hands-on and delivery-driven, with a strong emphasis on clean, scalable front-end development using React and TypeScript/JavaScript . You'll collaborate closely with backend developers, designers, and product stakeholders to build responsive … high-quality user interfaces and improve overall user experience. Key Responsibilities Design, build, and maintain front-end applications using React Develop clean, maintainable code using TypeScript and JavaScript (browser-based) Work closely with UX/UI designers to translate designs into high-quality user interfaces Integrate ...

Front End React Developer, React, JavaScript, NW London to £80K A leading financial software company are looking for a great JavaScript developer who is proficient with React js. Your primary focus will be on developing user interface components … infrastructure. Therefore, a commitment to collaborative problem solving, sophisticated design, and quality product is important. Responsibilities Working in a team of Front-End engineers Writing clear & concise code Working closely with Back-End engineers Participate in architecture design code reviews API design with ...

Junior Front End Developer West London | Permanent | Up to £38,000 per annum | On-site initially Our leading client are seeking a Graduate/Junior Front End Developer to join their team ...

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 … 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 ...

Croydon Duration: 12 Months Day rate: £520 Umbrella Only SC clearance required About the Role We are looking for a skilled Front-End Engineer to join our team and help build high-quality, user-focused web applications. You'll work closely with designers, product managers … backend engineers to deliver maintainable front-end solutions using modern web technologies. Responsibilities Build and maintain scalable front-end applications using React Develop clean, reusable, and well-structured code using TypeScript and JavaScript Translate designs and product requirements into high-quality ...

Frontend Developer Up to £70,000 + Bonus Central London – Flexible Hybrid Options Health-Tech A fast-growing healthtech company is seeking a Frontend Developer to help build a user-centric SaaS platform transforming pharmaceutical R&D. You’ll contribute … architecture, advance component systems, and collaborate closely with product and design to elevate usability and responsiveness. As a Frontend Developer, you will have: Strong commercial experience in React with TypeScript Exposure to UI/UX principles and design collaboration Background in healthtech or data-driven applications ...

Senior Frontend Developer Up to £90,000 Central London - Flexible Hybrid Options Health-Tech A start-up within the health space are seeking a Senior Frontend Developer to lead a high performing squad of engineers building a unique SAAS platform which … company This is an exciting opportunity to work on impactful projects in a forward-thinking environment. If you are passionate about front-end development, we’d love to hear from ...

rapidly growing, UK-based multi-channel retail organisation is seeking an experienced Senior Front-End Developer to join its technology team. This is a hands-on role focused on building and optimising large-scale, customer-facing digital platforms across multiple e-commerce … brands. You will play a key role in shaping front-end architecture, improving performance and accessibility, and supporting click apply for full job details ...

team that reflects and respects that diversity. We're seeking a UX/UI Designer with strong opinionated design skills paired with front-end development ability to shape how our products look, feel, and work. You'll establish best practices for front-end … evaluate AI-generated output Views AI as a tool to augment creativity, not replace it Key Responsibilities: Design & Development Establish and document front-end design best practices Build and maintain design systems and component libraries Create consistent, accessible interfaces that serve our diverse user base ...

Role: Front End Application Developer Location: Croydon (1 day per week onsite) Duration: 6 Months Day rate: £520 - £570 Inside IR35 Clearance: SC clearance required Role Overview We are looking for a skilled Front-End Application Developer ...

seeking a UI Developer to join a Fixed Income/Credit Trading Technology team at a leading investment bank in London. This role is aligned directly with the Front Office and focuses on building and enhancing high-performance user interfaces used by credit ...

product-led SaaS business is hiring a Front End Developer with a strong focus on Angular to help build and scale a modern, customer-facing web platform. This is a hands-on role for someone who enjoys working on complex interfaces, data … through to release. This role suits someone who wants to stay deeply technical rather than move into management. Role: Front End Developer (Angular) Salary: £60,000 to £70,000 Location: Fully remote, UK based What you will be doing: Designing and building ...