26 to 50 of 64 Front-End Developer (Client-Side Developer) Jobs in London

Website team, responsible for how Synthesia shows up to millions of users globally. As a Webflow Developer/Front-End Engineer, you’ll work across Webflow, front-end code, and supporting tooling. You’ll collaborate closely with Design … experimentation, and growth. What you’ll be working on Building and maintaining pages and components in Webflow (CMS, localization, integrations) Implementing custom front-end functionality (JavaScript, animations, interactive widgets, forms, experiments) Supporting and extending internal SEO and automation tools (currently running on AWS) Working with Lambda ...

Salary: Up to £180k (1st year compensation) Location: London (Hybrid) Skills Required: Extensive React experience needed This firm is an elite investment institution that uphold extremely high tech standards. They are made up of some ...

encouraging investment into the sector from non-traditional funding streams.The role itself is for a Front-End Software Developer to join the growing team. You'll help to implement our Cell-Stack Web user interface, designing and building for usability, performance ...

Vite, and esbuild (HMR, tree-shaking, code-splitting, bundle size optimization) Develop and publish npm packages (semantic versioning, changelogs, automated releases) Build Front-End CI/CD pipelines with GitHub Actions (lint/test/build/storybook/e2e, caching, multi-environment deployments) Design … experience with npm package development and publishing (monorepo/workspace experience is a plus) Proven experience with GitHub Actions (or similar) for front-end CI/CD Hands-on BFF development experience (Node.js, preferably NestJS/Express) Advanced TypeScript knowledge (generics, utility types, strict mode, configuration ...

Role Overview: We are seeking an experienced Senior Front End Developer … join a high-profile customer complaints and remediation programme within a leading UK financial services organisation. You will take ownership of the front-end delivery of a new customer-facing web portal, built from an approved design and BRD. The portal will enable customers to securely ...

Job Responsibilities Be involved in every step of the product design cycle from discovery and user acceptance testing. Work with BAs, product managers and tech teams to lead the Product Design Skill & Experience You have ...

Talan count 250 employees on several site, the main being: London, Edinburgh and Chester, Leeds. Job Description We are looking for a front-end developer to work on Issuemaster real-time web application. The successful candidate will work on key and large … book of work incl. new screens, core & shared functionalities and upgrade of the existing. This is an opportunity for a senior developer with the right skillset and mindset to take part in our major effort to rewrite this important FO application and be part ...

Title: Frontend Developer (SC Cleared) Location: Remote (fortnightly travel to London office) Contract Length: 12 Months (with scope to extend) Start Date: ASAP IR35: Inside Interview Process: 1 Stage, MS Teams (technical assessment included) Clearance: SC (with eligibility for higher levels of clearance) We are supporting … public sector client in hiring a Frontend Developer to join a small, focused engineering team maintaining and improving a live service within a legacy deployment environment. This is a hands-on development and service management role requiring someone comfortable taking ownership of a legacy ...

Project descriptionDevelopment of AI-enabled solutions that support a signal-driven commercial intelligence platform connecting market insights, content creation, sales engagement, and client feedback.ResponsibilitiesAs a Frontend Engineer you will contribute to application design ...

Project description Development of AI-enabled solutions that support a signal-driven commercial intelligence platform connecting market insights, content creation, sales engagement, and client feedback. Responsibilities As a Frontend Engineer you will contribute ...

Описание Perk is an intelligent platform for travel and spend management. Its tools automate travel bookings, expenses, invoice processing, and other manual work for more than 12,000 companies worldwide. Задачи Own building experiences for ...

JavaScript Developer UI React TypeScript – Up to 90,000 p/aQuant Capital is urgently looking for a JavaScript Developer to join our high profile client.Our client is a 60 man Fintech business who has created a market leading product ...

Engineering Full-time London/Remote/Hybrid Frontend Developer (Vue.js & React) We are looking for a talented Frontend Developer who excels in both Vue.js and React to build modern, responsive web applications with advanced features. The Role We are looking … talented Frontend Developer who excels in both Vue.js and React to build modern, responsive web applications with advanced features. Your Day-to-Day As a Frontend Developer (Vue.js & React), you'll be working on exciting projects that challenge and inspire you. Here ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

Montash is hiring a Frontend Developer (SC Cleared) for a remote role with occasional travel to London. You will own and improve a live frontend service within a legacy deployment environment, delivering in Agile sprints with a Programme Manager and Delivery Manager. The role requires strong ...

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 ...