226 to 242 of 242 React Jobs in the City of London

Senior Frontend Engineer – Next.js/React Location: Monument WeWork in London Type: Full-Time About Admanage.ai We’re building the Cursor for ad management. Admanage.ai helps companies launch ads 10x faster on Meta & TikTok. Created by top performance marketers who’ve managed over $50M+ in ad spend. Our mission? Level the playing field by giving every business access to enterprise … management, testing, and performance. You’re not here to maintain, you’re here to build a complex UI that’s robust and well-tested. 🔧 Tech Stack Frontend: Next.js 14, React 18, TailwindCSS, Radix UI, Framer Motion State Management: Zustand Testing: Vitest Backend (light exposure): Node.js, Prisma, MySQL Infra: R2 Cloudfalre, AWS S3, Vercel Auth: NextAuth.js APIs: Facebook Marketing API, TikTok … safe continuous deployment Ship features end-to-end: idea → build → optimize for robust testing, speed and UX You Might Be a Fit If You... Have 5+ years building production React/Next.js apps Are skilled at state management in large, complex apps Believe testing is part of building, not an afterthought Care about performance, UX, and clean design systems Communicate More ❯

React Native Technical Lead – EdTech | Remote (UK) | Up to £85,000 Location: Fully remote (within the UK) Salary: Up to £85,000 + benefits Employment Type: Full-time, permanent Are you a hands-on React Native expert ready to shape the future of digital learning? We are working with a UK-based EdTech company on a mission to make high … quality education accessible to everyone — and are looking for a React Native Technical Lead to help drive their mobile app experience to the next level. 💼 The Role As a React Native Technical Lead , you’ll take ownership of their mobile app development — from architecture and performance to delivery and deployment. This is a fully hands-on position where you’ll … engineers to build seamless, engaging, and scalable mobile experiences used by thousands of learners across the UK. 🔧 What You’ll Do Lead the end-to-end development of our React Native mobile apps Define and drive mobile architecture, best practices, and coding standards Collaborate with cross-functional teams to design and deliver high-quality features Mentor and support developers, fostering More ❯

Startup – Up to 85k 🚀🧠 💰 Salary: £50,000 - £85,000 + meaningful equity 🏙️ Location : London, flexible working arrangements, ideally 1/2 days in office 💻 Tech Stack : Python, Flask, FastAPI, React, TypeScript, GCP (Backend Leaning) Our y-combinator backend client are building an elite engineering team within the AI space. The platform is being used across the globe and is delivering More ❯

Exp: Key Responsibilities: Develop and maintain user interfaces using TypeScript, ensuring high performance and responsiveness. Design and implement complex UI components and applications using React.js or Next.js. Collaborate with cross-functional teams to define, design, and ship new features. Create and maintain design systems to ensure consistency and scalability across all products. Implement cloud-native solutions and integrate DevOps practices … continuous improvement. Stay up-to-date with the latest industry trends and technologies to ensure our products remain cutting-edge. Qualifications: Strong hands-on experience with TypeScript. Expertise in React.js or Next.js. Proven experience with design systems and their implementation. Solid understanding of cloud-native technologies and DevOps practices. Previous experience in an architect role, with the ability to lead More ❯

Exp: Key Responsibilities: Develop and maintain user interfaces using TypeScript, ensuring high performance and responsiveness. Design and implement complex UI components and applications using React.js or Next.js. Collaborate with cross-functional teams to define, design, and ship new features. Create and maintain design systems to ensure consistency and scalability across all products. Implement cloud-native solutions and integrate DevOps practices … continuous improvement. Stay up-to-date with the latest industry trends and technologies to ensure our products remain cutting-edge. Qualifications: Strong hands-on experience with TypeScript. Expertise in React.js or Next.js. Proven experience with design systems and their implementation. Solid understanding of cloud-native technologies and DevOps practices. Previous experience in an architect role, with the ability to lead More ❯

Founding Frontend Engineer (React/TypeScript) We’re building the operating system for experience-led businesses — helping teams manage bookings, resources, customers, and payments in one place. Our mission: make it effortless for operators to run what they love. We’re product-led, customer-obsessed , and move fast — small, high-trust, and ambitious. London-based | Hybrid (3 office days) What … backend teams Create high-performance, accessible interfaces Shape our component library and design system Influence product direction and engineering culture About You 5+ years of frontend experience Expert in React, TypeScript, HTML, CSS, modern JS You’ve taken products from 0 → 1 Strong problem-solving and debugging skills Communicative, curious, and thrive in fast-moving teams You’ll love it More ❯

Founding Frontend Engineer (React/TypeScript) We’re building the operating system for experience-led businesses — helping teams manage bookings, resources, customers, and payments in one place. Our mission: make it effortless for operators to run what they love. We’re product-led, customer-obsessed , and move fast — small, high-trust, and ambitious. London-based | Hybrid (3 office days) What … backend teams Create high-performance, accessible interfaces Shape our component library and design system Influence product direction and engineering culture About You 5+ years of frontend experience Expert in React, TypeScript, HTML, CSS, modern JS You’ve taken products from 0 → 1 Strong problem-solving and debugging skills Communicative, curious, and thrive in fast-moving teams You’ll love it More ❯

on their journey. 💼 Role Details Title: Senior Product Engineer Location: Hybrid – 3 days/week in Central London office Salary: Up to £120k + Equity Tech Stack: Go, TypeScript, React (open to other strong technical backgrounds) ✅ What They’re Looking For Engineers who think like product owners Prior startup success or fast-paced environment experience A background in top-tier More ❯

for experienced engineers who want to combine hands-on development with mentoring and leadership. The Role As a Senior Frontend Developer, you’ll: Build and maintain scalable applications with React, TypeScript, Tailwind, Cypress Mentor a core group of developers and support a wider engineering team Drive technical best practices and ensure high-quality, user-focused products Play a key role … in shaping product delivery and technical direction About You We’re looking for developers who: Have strong commercial experience with React and TypeScript Enjoy mentoring, coaching, and supporting other developers Want stability in a permanent role and the chance to make a long-term impact Thrive in collaborative, fast-paced environments Why Join? With multiple openings, this is a great More ❯

for experienced engineers who want to combine hands-on development with mentoring and leadership. The Role As a Senior Frontend Developer, you’ll: Build and maintain scalable applications with React, TypeScript, Tailwind, Cypress Mentor a core group of developers and support a wider engineering team Drive technical best practices and ensure high-quality, user-focused products Play a key role … in shaping product delivery and technical direction About You We’re looking for developers who: Have strong commercial experience with React and TypeScript Enjoy mentoring, coaching, and supporting other developers Want stability in a permanent role and the chance to make a long-term impact Thrive in collaborative, fast-paced environments Why Join? With multiple openings, this is a great More ❯

Senior Frontend (React/Vue) Developer - Contract - Airline Transformation A global airline is urgently seeking Frontend developers to support a large-scale transformation aimed at modernising their IT Suite across all business layers. Your primary responsibility will be to accelerate the migration of their front-end from Vue to React in applications that support their crew operations. You will work … who is tasked with leading the adoption of advanced analytical solutions. Rate: 700 Inside Location: Heathrow Airport, London Hybrid: Flexible Duration: 3months Requirements: Extensive experience building comprehensive UI using React and Vue (6years +) Deep understanding of modern front-end development best practices and architecture Experience with component-based architecture and design systems Experience working with diverse stakeholders such as More ❯

Senior Frontend (React/Vue) Developer - Contract - Airline Transformation A global airline is urgently seeking Frontend developers to support a large-scale transformation aimed at modernising their IT Suite across all business layers. Your primary responsibility will be to accelerate the migration of their front-end from Vue to React in applications that support their crew operations. You will work … who is tasked with leading the adoption of advanced analytical solutions. Rate: 700 Inside Location: Heathrow Airport, London Hybrid: Flexible Duration: 3months Requirements: Extensive experience building comprehensive UI using React and Vue (6years +) Deep understanding of modern front-end development best practices and architecture Experience with component-based architecture and design systems Experience working with diverse stakeholders such as More ❯

Product Engineer (React.js/Native, UI/UX) - 2/3 days a week in London numi is partnered with a technology company on a mission to make supply chains transparent and sustainable. They use earth observation and environmental monitoring to create a global data asset that will radically change how supply chain risk is managed. Our partner is a … Champion the UX: Translate complex geospatial and supply chain data into elegant and actionable visualizations. Build the Platform: Develop a scalable, responsive, and high-performance front-end application using React JS/Native . Collaborate: Work closely with the CEO and CTO to define the product roadmap. Who We're Looking For You are a seasoned product builder with a … track record of shipping high-quality, user-facing applications. You have deep experience building high-performance web map UIs with large cloud-native geospatial datasets. Must Have: Mastery of React JS/Native and its ecosystem , and specific experience with cloud-native geospatial data. Nice to Have: Proficiency with AI-powered development tools , and experience or interest in supply chain More ❯

Product Engineer (React.js/Native, UI/UX) - 2/3 days a week in London numi is partnered with a technology company on a mission to make supply chains transparent and sustainable. They use earth observation and environmental monitoring to create a global data asset that will radically change how supply chain risk is managed. Our partner is a … Champion the UX: Translate complex geospatial and supply chain data into elegant and actionable visualizations. Build the Platform: Develop a scalable, responsive, and high-performance front-end application using React JS/Native . Collaborate: Work closely with the CEO and CTO to define the product roadmap. Who We're Looking For You are a seasoned product builder with a … track record of shipping high-quality, user-facing applications. You have deep experience building high-performance web map UIs with large cloud-native geospatial datasets. Must Have: Mastery of React JS/Native and its ecosystem , and specific experience with cloud-native geospatial data. Nice to Have: Proficiency with AI-powered development tools , and experience or interest in supply chain More ❯

journey. 💼 Role Details Title: Lead Product Engineer Location: Hybrid – 3 days/week in Central London office Salary: £120k to £180k (Depending on experience) + Equity Tech Stack: TypeScript, React, Next.js, little bit of GO - no prior experience needed ✅ What They’re Looking For Engineers who think like product owners Prior startup success or fast-paced environment experience A background More ❯

✨ Design Engineer We’re partnering with a London startup who rebuilding what a website even is. Instead of static pages, their platform creates intelligent, adaptive web experiences that change in real-time based on who’s visiting and what they More ❯

✨ Design Engineer We’re partnering with a London startup who rebuilding what a website even is. Instead of static pages, their platform creates intelligent, adaptive web experiences that change in real-time based on who’s visiting and what they More ❯