1 to 25 of 102 Permanent 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. … 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 of … 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 member More ❯

About the Role We’re looking for an experienced React front-end developer to help us enhance and refine our web application over the next couple of months. You’ll be working closely with our team to design, build, and maintain modern, high-quality user interfaces with a strong focus on performance … usability, and polish. What You’ll Do Design and implement responsive, intuitive, and visually refined front-end components using React and TypeScript . Collaborate with designers and back-end engineers to deliver cohesive user experiences. Manage application state using Redux , Zustand , or similar tools. Work with Material UI (or equivalent UI frameworks) to build … consistent, elegant layouts. Write and maintain robust front-end tests (unit, integration, and end-to-end) to ensure quality and reliability. Participate in code reviews and contribute to improving our front-end architecture and practices. What We’re Looking For 4+ years of professional experience building front More ❯

About the Role We re looking for an experienced React front-end developer to help us enhance and refine our web application over the next couple of months. You ll be working closely with our team to design, build, and maintain modern, high-quality user interfaces with a strong focus on performance … usability, and polish. What You ll Do Design and implement responsive, intuitive, and visually refined front-end components using React and TypeScript . Collaborate with designers and back-end engineers to deliver cohesive user experiences. Manage application state using Redux , Zustand , or similar tools. Work with Material UI (or equivalent UI frameworks) to build … consistent, elegant layouts. Write and maintain robust front-end tests (unit, integration, and end-to-end) to ensure quality and reliability. Participate in code reviews and contribute to improving our front-end architecture and practices. What We re Looking For 4+ years of professional experience building front More ❯

(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 will … 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 Designers More ❯

Senior Frontend Engineer Scaling Start-Up Up to £130,000 + Equity &##128640; &##Hybrid working London based &##React.js & TypeScript The business brings much needed security and data protection across AI and they are supporting companies to leverage the power More ❯

Senior Frontend Engineer – Scaling Start-Up – Up to £130,000 + Equity 🚀 💰Up to £130,000 plus equity 🏡Hybrid working – London based 💻React.js & TypeScript We’re partnered with a scaling Start-Up who have recently raised significant investment and are More ❯

Senior Frontend Engineer – Scaling Start-Up – Up to £130,000 + Equity 🚀 💰Up to £130,000 plus equity 🏡Hybrid working – London based 💻React.js & TypeScript We’re partnered with a scaling Start-Up who have recently raised significant investment and are More ❯

Synechron is looking for an experienced UI Developer to join one of our largest accounts for a global financial institution. This is a permanent or long term contract (inside IR35) role, with hybrid working (x3 days a week) joining an established team. Role: Design new application portal for configuration, monitor dashboards and client online More ❯

Senior Frontend Engineer £100K - £120K base + meaningful equity (think early-stage upside, not crumbs) London, onsite 4 days per week (non-negotiable) A well-funded, London-based AI startup (Series A, backed by tier 1 funds and some very 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 environments 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 … 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 AI technologies Excellent training 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 … 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 working 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 … 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 working More ❯

Synechron is looking for an experienced UI Developer to join one of our largest accounts for a global financial institution. This is a permanent or long term contract (inside IR35) role, with hybrid working (x3 days a week) joining an established team. Role: Design new application portal for configuration, monitor dashboards and client online More ❯

Synechron is looking for an experienced UI Developer to join one of our largest accounts for a global financial institution. This is a permanent or long term contract (inside IR35) role, with hybrid working (x3 days a week) joining an established team. Role: Design new application portal for configuration, monitor dashboards and client online More ❯

Synechron is looking for an experienced UI Developer to join one of our largest accounts for a global financial institution. This is a permanent or long term contract (inside IR35) role, with hybrid working (x3 days a week) joining an established team. Role: Design new application portal for configuration, monitor dashboards and client online More ❯

Synechron is looking for an experienced UI Developer to join one of our largest accounts for a global financial institution. This is a permanent or long term contract (inside IR35) role, with hybrid working (x3 days a week) joining an established team. Role: Design new application portal for configuration, monitor dashboards and client online More ❯

Product Engineer - React & TypeScript, some Python - AI video editing🎬 - £90-110k We're helping a AI company in the entertainment space hire a front end leaning fullstack engineer. You'll be working with a talented More ❯

Product Engineer - React & TypeScript, some Python - AI video editing🎬 - £90-110k We're helping a AI company in the entertainment space hire a front end leaning fullstack engineer. You'll be working with a talented More ❯

Product Engineer - React & TypeScript, some Python - AI video editing🎬 - £90-110k We're helping a AI company in the entertainment space hire a front end leaning fullstack engineer. You'll be working with a talented More ❯

Product Engineer - React & TypeScript, some Python - AI video editing🎬 - £90-110k We're helping a AI company in the entertainment space hire a front end leaning fullstack engineer. You'll be working with a talented More ❯

I am currently working with leading digital agency in Central London who are looking for an experienced Typescript Engineer to join their growing team! The company work with a wide variety of FTSE clients across different industries, focusing on creating More ❯

I am currently working with leading digital agency in Central London who are looking for an experienced Typescript Engineer to join their growing team! The company work with a wide variety of FTSE clients across different industries, focusing on creating More ❯

I am currently working with leading digital agency in Central London who are looking for an experienced Typescript Engineer to join their growing team! The company work with a wide variety of FTSE clients across different industries, focusing on creating More ❯

I am currently working with leading digital agency in Central London who are looking for an experienced Typescript Engineer to join their growing team! The company work with a wide variety of FTSE clients across different industries, focusing on creating More ❯