751 to 775 of 785 React Jobs in London

Experience: 3+ years in a product-focused engineering position within a high-performing SaaS or technology company known for exceptional user experience. Proven expertise in frontend engineering , ideally with React and TypeScript . Strong foundation in UX/UI principles , responsive layouts, and modern design practices. Experience working with relational databases (e.g. PostgreSQL), CI/CD , and cloud deployment environments. … first mindset, you care deeply about user experience, design quality, and execution. Experience building developer tools, AI, or ML-related products . Exposure to NextJS, Prisma, Supabase, Vercel, and React Query . Python proficiency. Early-stage or start-up experience where autonomy and ownership were key. Compensation & Benefits: Base Salary: £90,000 – £130,000 Equity: Early-stage participation with meaningful More ❯

Experience: 3+ years in a product-focused engineering position within a high-performing SaaS or technology company known for exceptional user experience. Proven expertise in frontend engineering , ideally with React and TypeScript . Strong foundation in UX/UI principles , responsive layouts, and modern design practices. Experience working with relational databases (e.g. PostgreSQL), CI/CD , and cloud deployment environments. … first mindset, you care deeply about user experience, design quality, and execution. Experience building developer tools, AI, or ML-related products . Exposure to NextJS, Prisma, Supabase, Vercel, and React Query . Python proficiency. Early-stage or start-up experience where autonomy and ownership were key. Compensation & Benefits: Base Salary: £90,000 – £130,000 Equity: Early-stage participation with meaningful More ❯

Experience: 3+ years in a product-focused engineering position within a high-performing SaaS or technology company known for exceptional user experience. Proven expertise in frontend engineering , ideally with React and TypeScript . Strong foundation in UX/UI principles , responsive layouts, and modern design practices. Experience working with relational databases (e.g. PostgreSQL), CI/CD , and cloud deployment environments. … first mindset, you care deeply about user experience, design quality, and execution. Experience building developer tools, AI, or ML-related products . Exposure to NextJS, Prisma, Supabase, Vercel, and React Query . Python proficiency. Early-stage or start-up experience where autonomy and ownership were key. Compensation & Benefits: Base Salary: £90,000 – £130,000 Equity: Early-stage participation with meaningful More ❯

Experience: 3+ years in a product-focused engineering position within a high-performing SaaS or technology company known for exceptional user experience. Proven expertise in frontend engineering , ideally with React and TypeScript . Strong foundation in UX/UI principles , responsive layouts, and modern design practices. Experience working with relational databases (e.g. PostgreSQL), CI/CD , and cloud deployment environments. … first mindset, you care deeply about user experience, design quality, and execution. Experience building developer tools, AI, or ML-related products . Exposure to NextJS, Prisma, Supabase, Vercel, and React Query . Python proficiency. Early-stage or start-up experience where autonomy and ownership were key. Compensation & Benefits: Base Salary: £90,000 – £130,000 Equity: Early-stage participation with meaningful More ❯

the bar for code quality and shorten idea-to-production cycles. Key responsibilities of the role include: Creating intuitive web experiences by building and evolving Backstage plugins and other React applications Designing and operating scalable TypeScript and back-end services on Linux and K8s Embedding unit, integration and end-to-end tests and managing automated CI/CD pipelines, using … with stakeholders across the organisation. Who are we looking for? The ideal candidate will have the following skills and experience: Proven production experience delivering end-to-end systems with React, TypeScript and Practical knowledge of Backstage, including plugin development, software catalogue and TechDocs Ability to design highly available distributed architectures with clear scalability, resilience and cost considerations Familiarity with Kubernetes More ❯

Principal Architect Tech Stack: NodeJS, Go, Python, React, TypeScript Salary up to £120k + Benefits (Remote UK) We're looking for an Architect to guide and evolve the technical direction of a fast-scaling, product-led technology company that's transforming how engineering organisations deliver software. This role sits at the heart of our engineering organisation, driving architectural strategy, fostering … authority to technical decision-making. You bring: 8+ years designing and delivering production systems at scale Expertise in modern backend architectures (Node.js, Python, Go) and fluency with frontend ecosystems (React, TypeScript) Deep experience with cloud-native infrastructure (Terraform, Kubernetes, Helm, Flux) Strong grasp of security, observability, and operational excellence Proven ability to influence and guide without formal authority Track record More ❯

founders and operators including Stripe, Datadog, Miro, Webflow, and Facebook. What you'll do at Synthesia: You will work end-to-end, contributing to our client application written in React and our monolithic backend written in Python, and managing the safe release of your features to our customer base. You will have sole ownership of projects that span months, requiring … and is syntax-agnostic, so you're welcome to use the tools and languages you're most comfortable with. That said, we strongly prefer contributions using our core stack: React/TypeScript on the frontend, and Python/Flask on the backend. 60min technical discussion 30min call with leadership The process does not need to take long - we can be … years 9+ years Have you built frontend features for a multi-user SaaS product used in production by paying customers? Select Have you led the development of TypeScript/React applications deployed to production and used by real users? Select More ❯

founders and operators including Stripe, Datadog, Miro, Webflow, and Facebook. What you'll do at Synthesia: You will work end-to-end, contributing to our client application written in React and our monolithic backend written in Python, and managing the safe release of your features to our customer base. You will have sole ownership of projects that span months, requiring … and is syntax-agnostic, so you're welcome to use the tools and languages you're most comfortable with. That said, we strongly prefer contributions using our core stack: React/TypeScript on the frontend, and Python/Flask on the backend. 60min technical discussion 30min call with leadership The process does not need to take long - we can be 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 ❯

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 ❯

execution so they can be built rapidly and tested as MVPs Execution so they can be built rapidly and tested prototypes prior to deployment Track record with front-end (React, Unity, WebGL, Android, iOS, React), back-end (Kotlin, REST, AWS, PHP8/Symfony4, AWS/Azure), AI, ML, web Past experience as a hands-on software engineer, ideally on Back 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 ❯

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 ❯

certified by Welcome To The Jungle, it’s never been a more exciting time to join! Key Responsibilities: Develop, evolve, and maintain our core web application using Ruby, Rails, React, and TypeScript. Collaborate closely with product managers and other stakeholders to deeply understand business needs and translate them into technical solutions. Contribute actively to our technology roadmap and priorities, working … Take on ambiguous or loosely defined problems, analysing them, and proposing effective technical approaches and solutions. About you: 2+ years of professional experience building web applications using Ruby, Rails, React, and TypeScript. Strong backend development skills with a willingness to contribute across the full stack (frontend, infrastructure, etc.). Proactive and self-driven, able to take ownership of tasks from More ❯

certified by Welcome To The Jungle, it’s never been a more exciting time to join! Key Responsibilities: Develop, evolve, and maintain our core web application using Ruby, Rails, React, and TypeScript. Collaborate closely with product managers and other stakeholders to deeply understand business needs and translate them into technical solutions. Contribute actively to our technology roadmap and priorities, working … Take on ambiguous or loosely defined problems, analysing them, and proposing effective technical approaches and solutions. About you: 2+ years of professional experience building web applications using Ruby, Rails, React, and TypeScript. Strong backend development skills with a willingness to contribute across the full stack (frontend, infrastructure, etc.). Proactive and self-driven, able to take ownership of tasks from More ❯

certified by Welcome To The Jungle, it’s never been a more exciting time to join! Key Responsibilities: Develop, evolve, and maintain our core web application using Ruby, Rails, React, and TypeScript. Collaborate closely with product managers and other stakeholders to deeply understand business needs and translate them into technical solutions. Contribute actively to our technology roadmap and priorities, working … Take on ambiguous or loosely defined problems, analysing them, and proposing effective technical approaches and solutions. About you: 2+ years of professional experience building web applications using Ruby, Rails, React, and TypeScript. Strong backend development skills with a willingness to contribute across the full stack (frontend, infrastructure, etc.). Proactive and self-driven, able to take ownership of tasks from More ❯

opportunity to shape design and engineering from the ground up You'll be the bridge between design and code. Taking high-impact ideas from concept to production using Figma, React and TypeScript . You'll define visual language, build smooth user experiences and help scale products used by thousands. What you'll do Own front-end design and development across … web products Create world-class UI/UX in Figma and implement directly in React/TypeScript Work with product and AI engineers to prototype and ship new features fast Contribute to brand, component library, and overall product experience You'll need Strong design eye and proven ability with Figma Solid experience building front ends in React + Typescript Understanding 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 ❯

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 ❯

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 ❯

for large-scale datasets and real-time visualisations Bringing real-time ML insights to life Implementing real-time data streaming and WebSocket-powered interfaces for instant updates Applying modern React patterns, component architecture, and performance optimisations to mission-critical apps Shaping the future of trading interfaces, using the latest front-end tech to solve unique quant challenges Innovating! Ideal background … Minimum 1 year+ experience with React/TypeScript/Next.js etc Ideally someone Python Solid CompSci fundamentals (degree ideal, but not essential) Passion for tech — meetups, side projects, blogs, etc. Personality! Note that the client is happy to wait for notice periods, non-competes and can pay out bonuses Please apply with your updated CV ASAP as this is an More ❯