1 to 25 of 35 Front-End Developer (Client-Side Developer) Jobs in Central London

Job Title: Frontend Engineer – React/TypeScript/Next.js Location: London (Hybrid – 2‐3 days in office) Salary: £70,000 – £75,000 + Equity About the Company You’ll join a fast‐scaling SaaS business that’s redefining how enterprise More ❯

drive to succeed paired with a continuous hunger to learn. Leadership - You are trusted, empathetic, accountable, and empower others around you. Primary responsibilities Collaborating with designers, writing front-end code and unit tests, working on the front-end architecture Spearheading the development of our frontend stack, architecting, and building frontend projects Being … with user-experience and design team Designing and maintaining JavaScript libraries, making sure they support the creative and engineering standards of BlackRock Keeping abreast of the new front-end web development technologies; integrate them with the existing systems Understanding and supporting existing systems, and resolve operations issues while working with other engineering staff located across the … Being passionate about technology, with personal ownership for the work you do Essential skills/experience Is a must: 4+ years hands-on development experience on the front-end development with single page application frameworks like Angular, React. Hands on experience in working with TypeScript. Demonstratable experience in working with and designing REST APIs Knowledge and More ❯

Experience: React.js, Typescript, Azure Role Description: • Bachelor’s degree in computer science, Information Technology, or a related field (or equivalent work experience). • Proven experience as a Front-End Developer with a focus on React.js and Typescript. • Familiarity with C# and .Net. • Strong proficiency in JavaScript, ES6/ES7, and related front More ❯

If you need support in completing the application or if you require a different format of this document, please get in touch with at UKI.recruitment@tcs.com with the subject line: “Application Support Request”. Role: Front End 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 ❯

seen by thousands of people and 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 at an early stage, which means … of modern JavaScript Ability to 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 with modern web tooling (transpilers … of modern and emerging browser APIs Familiarity with progressive enhancement principles Nice to have Not essential, but any of these would be a bonus: Experience with a front-end/full-stack framework like React or Remix Experience with a back-end language, framework, or backend platform like Supabase Experience setting up or running More ❯

seen by thousands of people and 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 at an early stage, which means … of modern JavaScript Ability to 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 with modern web tooling (transpilers … of modern and emerging browser APIs Familiarity with progressive enhancement principles Nice to have Not essential, but any of these would be a bonus: Experience with a front-end/full-stack framework like React or Remix Experience with a back-end language, framework, or backend platform like Supabase Experience setting up or running More ❯

seen by thousands of people and 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 at an early stage, which means … of modern JavaScript Ability to 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 with modern web tooling (transpilers … of modern and emerging browser APIs Familiarity with progressive enhancement principles Nice to have Not essential, but any of these would be a bonus: Experience with a front-end/full-stack framework like React or Remix Experience with a back-end language, framework, or backend platform like Supabase Experience setting up or running 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 ❯

Frontend Developer 3 months contract 3 days per week in London, 2 days remote. We are seeking a talented and driven Frontend Developer to join our dynamic team and contribute to the development of cutting-edge web applications. You will be instrumental in building rich, interactive user interfaces using modern technologies, with … strong understanding of TypeScript and the ability to work within a distributed technology stack, with exposure to SQL. Required Skills and Experience Proven experience as a Frontend Developer, with a strong portfolio showcasing React and TypeScript projects. Solid understanding of GraphQL and its implementation in frontend applications. Excellent proficiency in JavaScript (ES6+), HTML5, and CSS3. Experience 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 Engineer | Fintech (Buy-Side) | London Location: Marylebone (on-site – 5 days/week) Stage: Early/Stealth Product: B2B Fintech Platform for Buy-Side Institutions A well-backed stealth fintech is hiring a Frontend Engineer. More ❯

MNRecruit is delighted to partner with Minimum in the search for their next engineer: 🚀 Senior Frontend Engineer (React/TypeScript) 🌍 ClimateTech Start-up | London Bridge | Hybrid (1-3 days a week in the office) 💰 £75–90k + early-stage equity More ❯

Dunbar Brown Group are excited to be working retained with our London based customer. We are looking for a Senior Front End Engineer to join a growing team for a business that is a market leader More ❯

💫 Company | B2B, Deep Tech, AI 📏 Size | 10 people 🌱 Stage | Seed 🧢 Role | Frontend Engineer 🪜 Level | Mid-Level ✨ Tech | TypeScript, React, TailwindCSS, WebGL, React Native 📍 Based | Spitalfields, London 💻 Working | hybrid (3-5 days a week in-office) 💰 Offer | £60-75k + More ❯

Contract | Staff Frontend Software Engineer | £600-£800/day Outside IR35 React Software Engineer £600-£800/day Initial 6 Month Duration Outside IR35 Hybrid - Central London (3 days a week) We are partnered with a well-funded scale up 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 ❯

UI/UX Designer & Frontend Developer – Mobile, WCAG, Adobe CC, HTML, CSS, Javascript, Blazor Outstanding 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 … emerging AI powered tools being built in house. Key Responsibilities: Design and implement responsive, user-friendly interfaces for Mobile, SaaS and Microsoft Word Add-In solutions Develop front-end components using HTML, CSS, TypeScript, and Blazor within a .NET environment Collaborate with product managers, engineers and end-users to translate requirements into elegant UI … documentation and UI component libraries Required Skills & Experience: Proven creative experience in UI/UX design and wireframing tools like Figma, Blasamiq or Adobe Creative Cloud Strong front-end development skills in HTML, CSS, TypeScript, and JavaScript Hands-on experience with Blazor and .NET (C#) Extensive experience with Mobile & SaaS product development and cloud deployment (Azure More ❯

UI/UX Designer & Frontend Developer Mobile, WCAG, Adobe CC, HTML, CSS, Javascript, Blazor Outstanding 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 … emerging AI powered tools being built in house. Key Responsibilities: Design and implement responsive, user-friendly interfaces for Mobile, SaaS and Microsoft Word Add-In solutions Develop front-end components using HTML, CSS, TypeScript, and Blazor within a .NET environment Collaborate with product managers, engineers and end-users to translate requirements into elegant UI … documentation and UI component libraries Required Skills & Experience: Proven creative experience in UI/UX design and wireframing tools like Figma, Blasamiq or Adobe Creative Cloud Strong front-end development skills in HTML, CSS, TypeScript, and JavaScript Hands-on experience with Blazor and .NET (C#) Extensive experience with Mobile & SaaS product development and cloud deployment (Azure More ❯

Are you an experienced Frontend Developer looking for a new challenge and to work for an AI startup with an important mission? 🚀 Senior Frontend Developer – AI Data Security 🚀 Location : Hybrid working 1-3 days a week in central London (King’s Cross) Salary : up to £135,000 + bonus + equity We … exciting time to join the team as they are growing across multiple areas of the business, having just secured over £17mil in funding. As a Senior Frontend Developer, you will: Have 6+ years experience as a Frontend Software Engineer Experience developing with: React, Typescript, HTML, CSS A desire to be part of an important mission Be … illness cover If you enjoy a flexible culture with the ability to work from home a few days a week, apply now for this unmissable Senior Frontend Developer opportunity now! Please note : Due to compliancy reasons, we will only be able to consider applications based in and eligible to work in the UK. More ❯

Frontend Developer - React, NodeJS and TypeScript – Up to £500/day (Outside IR35) – Hybrid (London) – 3 month contract My client is seeking an experienced Frontend Developer to join their team. You will need strong commercial experience in working with React, NodeJS and TypeScript. Essential Skills: Strong commercial experience with React More ❯

EdTech Frontend Developer – Vue/Nuxt (Mid-Level+) I am looking for a Frontend Developer with 2+ years' experience working with modern web technologies to join my clients team who are in the EdTech space! Core Skills: Vue.js & Nuxt 4 (Vite, Composition API, Pinia, Nuxt Plugins) TypeScript/JavaScript (ES6) – clean, maintainable More ❯

EdTech Frontend Developer – Vue/Nuxt (Mid-Level+) I am looking for a Frontend Developer with 2+ years' experience working with modern web technologies to join my clients team who are in the EdTech space! Core Skills: Vue.js & Nuxt 4 (Vite, Composition API, Pinia, Nuxt Plugins) TypeScript/JavaScript (ES6) – clean, maintainable More ❯

Frontend Software Developer London (Remote) | £30,000–£45,000 + shares & bonus Tech: JavaScript, React, TypeScript, Next.js, HTML, CSS We’re partnered with a leading SaaS company in the HR technology space, looking for a junior to mid-level frontend developer to join their growing team. You’ll work on modern, responsive More ❯

plus bonus Harrington Starr has partnered up with a Global Investment Bank in the City of London who are looking to hire a Senior UI Trading Software Developer to work in a Front Office environment with Traders, Quants and Portfolio Managers within a Front Office Trading Floor. This is a high profile … role for a Multi Asset Trading Team within a Front Office environment. As the Senior Trading UI Developer, you will have extensive experience of working with the JavaScript Framework including ES7 and HTML and CSS. You will be working directly with Portfolio Managers, Sales Traders and Quants and end users where you More ❯