20 of 20 Front-End Engineer (Client-Side Engineer) Jobs in the South East

Excellent opportunity for Senior Front-End Engineer looking to join a forward-thinking company producing award-winning software used by leading businesses across the globe. The successful Senior Frond End Engineer will need to have extensive commercial experience using ReactJS and should be comfortable working to … a specific build and deployment process. Skills required: Extensive ReactJS experience Be familiar with Agile development practices, including Continuous Integration and 5+ years' experience in enterprise level front-end web development: Solid understanding of semantic mark-up, including HTML5, CSS3 (comfortable with CSS animations and flexbox). Extensive ReactJS experience JavaScript, TypeScript Ability to mentor junior More ❯

Excellent opportunity for Senior Front-End Engineer looking to join a forward-thinking company producing award-winning software used by leading businesses across the globe. The successful Senior Frond End Engineer will need to have extensive commercial experience using ReactJS and should be comfortable working to … a specific build and deployment process. Skills required: Extensive ReactJS experience Be familiar with Agile development practices, including Continuous Integration and 5+ years' experience in enterprise level front-end web development: Solid understanding of semantic mark-up, including HTML5, CSS3 (comfortable with CSS animations and flexbox). Extensive ReactJS experience JavaScript, TypeScript Ability to mentor junior More ❯

We’re partnering exclusively with one of the most prestigious trading firms in London to find a highly skilled Front-End Software Engineer to join their world-class engineering team. This is an opportunity to work at the very heart of high-performance trading technology — building ultra-responsive, visually intuitive web interfaces … Doing: Building high-performance, data-intensive UIs using React and TypeScript Collaborating closely with back-end engineers, traders, and product teams Designing and refining complex front-end architectures for real-time data visualization Working in a culture where engineering excellence and code quality are non-negotiable 🛠️ Tech Stack: Languages: TypeScript, JavaScript (ES6+) Frameworks: React … WebSockets, performance profiling, or custom charting libraries (e.g., D3.js, Highcharts) ✅ What They’re Looking For: Strong experience with React and modern JavaScript/TypeScript Deep understanding of front-end architecture, performance tuning, and scalable component design Experience in fast-paced environments (finance, trading, gaming, or top-tier tech) Passion for clean, maintainable code and UI craftsmanship More ❯

We’re partnering exclusively with one of the most prestigious trading firms in London to find a highly skilled Front-End Software Engineer to join their world-class engineering team. This is an opportunity to work at the very heart of high-performance trading technology — building ultra-responsive, visually intuitive web interfaces … Doing: Building high-performance, data-intensive UIs using React and TypeScript Collaborating closely with back-end engineers, traders, and product teams Designing and refining complex front-end architectures for real-time data visualization Working in a culture where engineering excellence and code quality are non-negotiable 🛠️ Tech Stack: Languages: TypeScript, JavaScript (ES6+) Frameworks: React … WebSockets, performance profiling, or custom charting libraries (e.g., D3.js, Highcharts) ✅ What They’re Looking For: Strong experience with React and modern JavaScript/TypeScript Deep understanding of front-end architecture, performance tuning, and scalable component design Experience in fast-paced environments (finance, trading, gaming, or top-tier tech) Passion for clean, maintainable code and UI craftsmanship More ❯

We’re partnering exclusively with one of the most prestigious trading firms in London to find a highly skilled Front-End Software Engineer to join their world-class engineering team. This is an opportunity to work at the very heart of high-performance trading technology — building ultra-responsive, visually intuitive web interfaces … Doing: Building high-performance, data-intensive UIs using React and TypeScript Collaborating closely with back-end engineers, traders, and product teams Designing and refining complex front-end architectures for real-time data visualization Working in a culture where engineering excellence and code quality are non-negotiable 🛠️ Tech Stack: Languages: TypeScript, JavaScript (ES6+) Frameworks: React … WebSockets, performance profiling, or custom charting libraries (e.g., D3.js, Highcharts) ✅ What They’re Looking For: Strong experience with React and modern JavaScript/TypeScript Deep understanding of front-end architecture, performance tuning, and scalable component design Experience in fast-paced environments (finance, trading, gaming, or top-tier tech) Passion for clean, maintainable code and UI craftsmanship More ❯

About Foxy Foxy gives creators AI superpowers to make incredible social media content — so they can create more, grow faster, and earn more. We believe creators are the most undervalued entrepreneurs on the planet, and we’re here to change More ❯

About Foxy Foxy gives creators AI superpowers to make incredible social media content — so they can create more, grow faster, and earn more. We believe creators are the most undervalued entrepreneurs on the planet, and we’re here to change More ❯

About Foxy Foxy gives creators AI superpowers to make incredible social media content — so they can create more, grow faster, and earn more. We believe creators are the most undervalued entrepreneurs on the planet, and we’re here to change More ❯

Front End React Engineer (TypeScript, API's, some C#/Angular)Gatwick (1 day per week in office).£45000 - £60000 + Package This role cannot offer Visa Sponsorship for applicants. Your new company I am engaged on a project to recruit a React Front End Developer to More ❯

Senior Frontend Engineer (Next.js/React) High-Growth SaaS | Build Elegant, User-First Products In partnership with Robert Half Limited. We're a high-growth SaaS company scaling fast, and we're looking for a Senior Frontend Engineer to join our team. This is a chance to shape products used by thousands More ❯

vision. Our mission is to bring the intelligence of modern machine learning directly to the in-store shopping experience. Role: We’re looking for an experienced Frontend Engineer to work closely with product, design, mobile, and machine learning team members to design & build experiences that re-define retail shopping. You'll help help build engaging & intuitive More ❯

vision. Our mission is to bring the intelligence of modern machine learning directly to the in-store shopping experience. Role: We’re looking for an experienced Frontend Engineer to work closely with product, design, mobile, and machine learning team members to design & build experiences that re-define retail shopping. You'll help help build engaging & intuitive More ❯

vision. Our mission is to bring the intelligence of modern machine learning directly to the in-store shopping experience. Role: We’re looking for an experienced Frontend Engineer to work closely with product, design, mobile, and machine learning team members to design & build experiences that re-define retail shopping. You'll help help build engaging & intuitive More ❯

Senior Frontend Engineer $8k–$10k A full-time role for a senior engineer. It’s your chance to take full ownership of frontend projects from design to delivery with minimal supervision! About Ballerine Ballerine is a high-growth, early-stage startup building an open-source platform for identity verification and risk management in the financial sector. … It’s a fast-paced team preparing for Series A funding — and looking for a Senior Frontend Engineer to join our core team. • Senior engineer • Ready to thrive in startup environments • English (C1+) • Deliver independently while collaborating with a world-class team Requirements • 7+ years of commercial engineering experience (only truly senior More ❯

X, Microsoft, Cambridge, MIT, Imperial, BBC R&D to name a few. We work a lot and are all close friends – come join the family! ‍Senior Frontend Engineer @ Matta We’re looking for a Senior Frontend Engineer to own, build, and scale the face of our manufacturing OS. You’ll work directly More ❯

X, Microsoft, Cambridge, MIT, Imperial, BBC R&D to name a few. We work a lot and are all close friends – come join the family! ‍Senior Frontend Engineer @ Matta We’re looking for a Senior Frontend Engineer to own, build, and scale the face of our manufacturing OS. You’ll work directly More ❯

UCL, Innovate UK, Microsoft, and Google, we're becoming the go-to AI education platform for all major exams worldwide. The Role We're seeking a talented Front-End Developer who will help us craft beautiful, engaging user experiences that rival the best consumer apps, while helping us pioneer the future of AI-powered education interfaces. More ❯

UCL, Innovate UK, Microsoft, and Google, we're becoming the go-to AI education platform for all major exams worldwide. The Role We're seeking a talented Front-End Developer who will help us craft beautiful, engaging user experiences that rival the best consumer apps, while helping us pioneer the future of AI-powered education interfaces. More ❯

UCL, Innovate UK, Microsoft, and Google, we're becoming the go-to AI education platform for all major exams worldwide. The Role We're seeking a talented Front-End Developer who will help us craft beautiful, engaging user experiences that rival the best consumer apps, while helping us pioneer the future of AI-powered education interfaces. More ❯

their businesses and enable third parties to utilize our inventory. We also provide tools for our customer service team to deliver world-class service globally. Position: Software Engineer II This role is open to candidates within a 2-3 hour commute of our Oxford or London offices. We support a remote-first working model with periodic More ❯