1 to 25 of 30 Senior Front-End Developer Jobs in London

Senior Frontend Developer Up to £80,000 Central London - Flexible Hybrid Options Health-Tech A start-up within the health space are seeking a Senior Frontend Developer to join a high performing squad of engineers building a unique SAAS platform which is radically streamlining … an existing complex process. You'd join as a Senior Frontend Developer and make a real impact on user facing features from the off while enhancing frontend architecture in order to accelerate the products ground-breaking advancements. As a Senior Frontend Developer, you will … social impact and grow with the 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 you More ❯

Senior Frontend Developer Up to £80,000 Central London - Flexible Hybrid Options Health-Tech A start-up within the health space are seeking a Senior Frontend Developer to join a high performing squad of engineers building a unique SAAS platform which is radically streamlining … an existing complex process. You'd join as a Senior Frontend Developer and make a real impact on user facing features from the off while enhancing frontend architecture in order to accelerate the products ground-breaking advancements. As a Senior Frontend Developer, you will … social impact and grow with the 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 you More ❯

Senior Frontend Developer Up to £80,000 Central London - Flexible Hybrid Options Health-Tech A start-up within the health space are seeking a Senior Frontend Developer to join a high performing squad of engineers building a unique SAAS platform which is radically streamlining … an existing complex process. You'd join as a Senior Frontend Developer and make a real impact on user facing features from the off while enhancing frontend architecture in order to accelerate the products ground-breaking advancements. As a Senior Frontend Developer, you will … social impact and grow with the 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 you More ❯

Senior Frontend Developer Up to £80,000 Central London - Flexible Hybrid Options Health-Tech A start-up within the health space are seeking a Senior Frontend Developer to join a high performing squad of engineers building a unique SAAS platform which is radically streamlining … an existing complex process. You'd join as a Senior Frontend Developer and make a real impact on user facing features from the off while enhancing frontend architecture in order to accelerate the products ground-breaking advancements. As a Senior Frontend Developer, you will … social impact and grow with the 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 you 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 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 … 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 … 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 Frontend Developer React/Typescript Central London 2 days a week in the office £60,000 - £70,000 This company are one of the biggest and most successful businesses within their niche FinTech market space and have massive plans to build brand new Tech, Data & Delivery teams in 2025. This has … the industry. They partner with some of the biggest global FinTech companies and process lots of different data variants across the industry. They are looking for a Senior Frontend Developer to enhance their growing product suite and user experience. You will help develop new products as the business continues to grow and More ❯

Senior Frontend Developer React/Typescript Central London 2 days a week in the office £60,000 - £70,000 This company are one of the biggest and most successful businesses within their niche FinTech market space and have massive plans to build brand new Tech, Data & Delivery teams in 2025. This has … the industry. They partner with some of the biggest global FinTech companies and process lots of different data variants across the industry. They are looking for a Senior Frontend Developer to enhance their growing product suite and user experience. You will help develop new products as the business continues to grow and More ❯

Senior Frontend Developer | 6 Month Contract (OIR35) | Remote, UK based I'm working with a growing technology-led business that's scaling its engineering team and looking for an experienced Senior Frontend Developer to help deliver a next-generation data and intelligence platform. You More ❯

Senior Frontend Developer This is an office based role requiring 5 days per week in their new London office. La Fosse are partnering with a market leader within the energy & trading sector, with a strong presence across oil & gas, renewables, power and carbon. They're in the market for a Senior Frontend Developer, with excellent React and TypeScript development skills, coupled with a strong background building and/or bootstrapping production component libraries & design systems. This is a unique opportunity where you will work closely with development teams to understand their requirements and assist in developing & improving frontend solutions. Key Requirements: React TypeScript More ❯

Senior Frontend Developer This is an office based role requiring 5 days per week in their new London office. La Fosse are partnering with a market leader within the energy & trading sector, with a strong presence across oil & gas, renewables, power and carbon. They're in the market for a Senior Frontend Developer, with excellent React and TypeScript development skills, coupled with a strong background building and/or bootstrapping production component libraries & design systems. This is a unique opportunity where you will work closely with development teams to understand their requirements and assist in developing & improving frontend solutions. Key Requirements: React TypeScript More ❯

Senior Frontend Developer This is an office based role requiring 5 days per week in their new London office. La Fosse are partnering with a market leader within the energy & trading sector, with a strong presence across oil & gas, renewables, power and carbon. They're in the market for a Senior Frontend Developer, with excellent React and TypeScript development skills, coupled with a strong background building and/or bootstrapping production component libraries & design systems. This is a unique opportunity where you will work closely with development teams to understand their requirements and assist in developing & improving frontend solutions. Key Requirements: React TypeScript More ❯

Senior Frontend Developer This is an office based role requiring 5 days per week in their new London office. La Fosse are partnering with a market leader within the energy & trading sector, with a strong presence across oil & gas, renewables, power and carbon. They're in the market for a Senior Frontend Developer, with excellent React and TypeScript development skills, coupled with a strong background building and/or bootstrapping production component libraries & design systems. This is a unique opportunity where you will work closely with development teams to understand their requirements and assist in developing & improving frontend solutions. Key Requirements: React TypeScript More ❯

Senior Frontend Developer (React) – Series A GenAI Security Scale-up 🔐 💰 Salary: £120,000 - £135,000 (DOE) + equity + benefits 📍 Hybrid: 2 days/week in Central London office (Kings Cross/Covent Garden area) A Series A, high-growth cybersecurity scale-up (~40 employees) is looking for a Senior React Engineer to join their mission of helping companies adopt Generative AI safely and securely. They are building a developer-first platform that enables data protection without complexity - redefining security for the GenAI era. This is a rare chance to join at a pivotal time as they scale their infrastructure across regions … AWS deployment. You'll be joining a small but highly capable engineering team where your impact will be significant from day one. ⭐ They are looking for a Senior React Engineer with the following: Senior hands-on React experience in a product-focused SME Strong design skills and background with TypeScript, HTML and More ❯

Senior Frontend Developer (React) – Series A GenAI Security Scale-up 🔐 💰 Salary: £120,000 - £135,000 (DOE) + equity + benefits 📍 Hybrid: 2 days/week in Central London office (Kings Cross/Covent Garden area) A Series A, high-growth cybersecurity scale-up (~40 employees) is looking for a Senior React Engineer to join their mission of helping companies adopt Generative AI safely and securely. They are building a developer-first platform that enables data protection without complexity - redefining security for the GenAI era. This is a rare chance to join at a pivotal time as they scale their infrastructure across regions … AWS deployment. You'll be joining a small but highly capable engineering team where your impact will be significant from day one. ⭐ They are looking for a Senior React Engineer with the following: Senior hands-on React experience in a product-focused SME Strong design skills and background with TypeScript, HTML and More ❯

Senior Frontend Developer (React) – Series A GenAI Security Scale-up 🔐 💰 Salary: £120,000 - £135,000 (DOE) + equity + benefits 📍 Hybrid: 2 days/week in Central London office (Kings Cross/Covent Garden area) A Series A, high-growth cybersecurity scale-up (~40 employees) is looking for a Senior React Engineer to join their mission of helping companies adopt Generative AI safely and securely. They are building a developer-first platform that enables data protection without complexity - redefining security for the GenAI era. This is a rare chance to join at a pivotal time as they scale their infrastructure across regions … AWS deployment. You'll be joining a small but highly capable engineering team where your impact will be significant from day one. ⭐ They are looking for a Senior React Engineer with the following: Senior hands-on React experience in a product-focused SME Strong design skills and background with TypeScript, HTML and More ❯

Senior Frontend Developer (React) – Series A GenAI Security Scale-up 🔐 💰 Salary: £120,000 - £135,000 (DOE) + equity + benefits 📍 Hybrid: 2 days/week in Central London office (Kings Cross/Covent Garden area) A Series A, high-growth cybersecurity scale-up (~40 employees) is looking for a Senior React Engineer to join their mission of helping companies adopt Generative AI safely and securely. They are building a developer-first platform that enables data protection without complexity - redefining security for the GenAI era. This is a rare chance to join at a pivotal time as they scale their infrastructure across regions … AWS deployment. You'll be joining a small but highly capable engineering team where your impact will be significant from day one. ⭐ They are looking for a Senior React Engineer with the following: Senior hands-on React experience in a product-focused SME Strong design skills and background with TypeScript, HTML and 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 £140,000 + … an incredibly 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 … cover Critical 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 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 £140,000 + … an incredibly 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 … cover Critical 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 More ❯

Senior Front End Developer Location: Remote Salary: Paying up to 90,000, depending on experience. Sector: Technology/Data Infrastructure Client: Leading Global Data Centre Provider A prestigious data centre provider is seeking a highly skilled Senior Front End Developer to lead the development of large-scale, enterprise-grade applications. This is a prime opportunity to work on high-impact digital platforms using modern technologies in a dynamic and forward-thinking environment. Key Responsibilities Design and build robust, high-performing front end applications using React and TypeScript. Apply expert More ❯

Senior Front End Developer Location: Remote Salary: Paying up to 90,000, depending on experience. Sector: Technology/Data Infrastructure Client: Leading Global Data Centre Provider A prestigious data centre provider is seeking a highly skilled Senior Front End Developer to lead the development of large-scale, enterprise-grade applications. This is a prime opportunity to work on high-impact digital platforms using modern technologies in a dynamic and forward-thinking environment. Key Responsibilities Design and build robust, high-performing front end applications using React and TypeScript. Apply expert More ❯

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-end applications with React . Strong proficiency with TypeScript , modern JavaScript (ES6+) , and related tooling. Proven experience crafting clean, maintainable UI code with a keen eye for design and user experience. Familiarity with testing frameworks such as Jest, React Testing Library, or Cypress. Excellent communication 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 looking to expand their team. The business brings much needed security and data protection across AI … whilst ensuring data is protected and companies are not at risk. Backed by experienced Founders of a former Tech Unicorn, they are now looking to hire a Senior Frontend Engineer into their growing team where you’ll have the opportunity to work on a number of exciting greenfield projects whilst building upgrades onto their existing platform. 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 looking to expand their team. The business brings much needed security and data protection across AI … whilst ensuring data is protected and companies are not at risk. Backed by experienced Founders of a former Tech Unicorn, they are now looking to hire a Senior Frontend Engineer into their growing team where you’ll have the opportunity to work on a number of exciting greenfield projects whilst building upgrades onto their existing platform. More ❯