2,176 to 2,200 of 2,421 React Jobs

SaaS Platform | Tripled ARR in 12 months Remote-first (UK) with hybrid London office option Up to £130,000 + equity Typescript/Node, React, GCP/AWS Senior Product Engineer - We're working with a rapidly scaling AI-native SaaS company who raised an impressive Series B round … solving challenging technical problems while shaping the product experience for thousands of users. What will the Senior Product Engineer do? Contribute across the stack (React/Typescript, Node, GCP), with a strong focus on frontend systems Design scalable frontend architectures to support rapid product growth Lead end-to-end feature ...

Engineer to design, develop, and maintain scalable backend services and robust frontend interfaces. The role emphasizes microservices, API development, and secure, performant systems with ReactJS on the frontend. You will collaborate with product managers and engineers to deliver AI-enabled solutions, ensuring SoC, security best practices, and high availability across ...

Experis Austria is seeking a Senior Frontend Developer to own a modern React + TypeScript application from the UK, shape its architecture, and deliver accessible, high-quality features for users worldwide. You will work with GraphQL, AWS Amplify, AppSync, and a Vite-based pipeline, implement i18n, and drive tests ...

Mountain Warehouse in London seeks technically strong senior developers for the Web Development team, focusing on Customer Experience and Customer Service applications built with React/TypeScript and C# across microservices. You will work across cloud, datacentre and modern edge/serverless environments, collaborating with varied tech stacks while mentoring ...

Talan Group is looking for a Senior Developer to join their technology team in Greater London. This role requires expertise in TypeScript and React, where you will design and deliver features across UI and backend services. You will collaborate closely with stakeholders to refine requirements and support live systems. ...

5.00pm (flexi-time available) Salary: Competitive, based on experience Role Description: Core Responsibilities: Frontend Engineering Develop high-quality websites and interactive digital experiences using React and Next.js. Create reusable, scalable component libraries and design-system-driven UI structures. Implement modern rendering strategies including SSR, SSG, ISR, and API routes within … frontend components. Support composable ecosystem patterns including search, experimentation, personalisation, and multi-platform orchestration where relevant. Required Skills & Experience: Strong commercial experience with React, Next.js, and TypeScript. Experience building experience layers for Headless CMS and composable digital platforms. Understanding of Next.js rendering strategies including SSR, SSG, ISR, hydration ...

Equisoft UK Ltd is expanding its Bath team to build and maintain fintech SaaS products. You will focus on front-end development with React, while collaborating across .NET/C#, SQL Server, and the broader stack to deliver secure, high-performance software. The role offers hybrid work with a Bath ...

engineer to build and enhance digital experiences on a headless content platform from Bristol. You will develop cloud-native applications using TypeScript, Node.js and React to enable personalised client journeys across devices. The role also involves infrastructure as code with Terraform and AWS, mentoring peers and contributing to CI/ ...

Engineer to build and scale core systems and internal tools. You will work on PHP backend services, including billing, and craft frontend interfaces with React and TypeScript across the product ecosystem. You will collaborate with Product, Finance, Revenue Operations, and CRM to optimize workflows for global users, while advancing code ...

Developer (Contract) based in the United Kingdom. You will lead the development of high-quality, responsive web experiences using TypeScript, HTML, CSS and React, while shaping technical direction and best practices. You will mentor teammates, collaborate with stakeholders, and ensure scalable architectures and reliable performance across desktop and mobile platforms. ...

Software Engineer III within the Climate Nature & Social Risk Technology team in Glasgow. You will design and deliver trusted market-leading UI products with React + TypeScript, aligned to design systems, while upholding secure, scalable software delivery. You will lead technical UI design, automate testing, and advance CI/ ...

senior software engineer to join our core engineering team. Your role will involve designing scalable backend services and building user interfaces using TypeScript, React, and Node.js. You will also mentor junior engineers and contribute to architecture decisions. With more than 5 years of experience required, you will work closely with ...

Developer to join a remote-first global charity project. You will design and implement scalable back-end services and modern front-end components using React, Next.js, JavaScript and TypeScript. Join a mission-driven team delivering life-saving care through technology, collaborating with stakeholders to define features, and ensuring performance ...

high-performance user interfaces. You will work across the full UI development lifecycle, from design through testing and deployment, using HTML, CSS, JavaScript, React and TypeScript. Strong experience with real-time communication (WebSockets, SSE) and REST APIs, plus state management (Redux) and SPA architectures, is essential. #J-18808-Ljbffr ...

will work across the full stack, contributing to design, development, testing and live support of web applications and digital services. The role involves using React, Next.js, TypeScript, C#, .NET and Microsoft Azure, collaborating with product managers, designers, testers, architects and operators to deliver secure, accessible and maintainable solutions. #J ...

salary of £60,000–£80,000 per year. The role focuses on delivering cutting-edge microservices and frontend work using Node/TypeScript, ExpressJS, React, and cloud infrastructure. The candidate will contribute across design, development, and deployment phases. #J-18808-Ljbffr ...

diverse portfolio of business-critical applications, services and integrations supporting teams across the charity. You will work across the full technology stack, building modern React and Next.js applications, Node.js services, APIs and cloud-based AWS solutions. You will play a key role in maintaining and improving systems that enable colleagues ...

integral to an agile team delivering trusted market-leading technology products. You will lead a UI engineering group while hands-on coding in React/JavaScript and driving secure, scalable UI solutions. The role requires designing, building and optimizing high-performance UI applications, advancing automation, and guiding the team through ...

week in the office and 2 from home. The role focuses on delivering cloud-native Java applications using Java 17, Spring Boot, and React/Angular, with emphasis on performance, reliability, and scalable design across distributed systems. #J-18808-Ljbffr ...

engineers, product owners, and compliance specialists to deliver scalable, secure software for global regulatory reporting. The role emphasizes modern Java/Spring Boot backends, React frontends, AWS deployments, and AI-assisted tooling to accelerate delivery while ensuring data quality and compliance. #J-18808-Ljbffr ...

business partners around the world. Job responsibilities Significant contributions to designing and building scalable and performant front-end solutions written in TypeScript using React Working across B2C and B2B features Maintaining high code quality and participating in a strong engineering culture. Writing testable code, built for scalability, reliability and resilience. … decision making process. Required qualifications, capabilities and skills Formal training or certification on software engineering concepts and applied experience Technical: Commercial experience with React with TypeScript, with a strong engineering-first mindset, an ability to solve problems elegantly with an emphasis on scalability and performance. Adaptability: Thrive in an environment ...

business partners around the world. Job responsibilities Significant contributions to designing and building scalable and performant front-end solutions written in TypeScript using React Working across B2C and B2B features Advocate for and encourage high standards and best practices to maintain high code quality. Providing constructive and insightful feedback … realized by automation. Required qualifications, capabilities and skills Formal training or certification on software engineering concepts and proficient advanced experience Technical: Highly competent at React with TypeScript, with a strong engineering-first mindset, an ability to solve complex problems elegantly with an emphasis on scalability and performance. Adaptability: Thrive ...

other LLM platform work Building developer platforms, internal SDKs, or framework-shaped surfaces Eval-driven development, prompt engineering at scale, LLM-judge harnesses React or another modern frontend framework Our tech stack Frontend React Typescript GraphQL (Apollo Client) Playwright Jest Storybook + Chromatic Mantine GCP (Cloud Run) Backend Typescript PostgreSQL ...

Understanding of ERC‐4337 smart wallet patterns e.g. EOA vs AA concepts, multisig basics, validation flows, bundlers/paymasters Experience with frontend development in React (or similar) Experience with iOS development or mobile development using React‐Native Experience developing and maintaining protocols Experience with decentralised identity, DIDComm, encrypted messaging protocols ...

into whatever needs doing, and are ready to learn and grow with the company. For this particular role, we need a senior, product-minded React engineer who has built and shipped frontends at startups before, ideally more than once. You will be comfortable owning a frontend end-to-end - from … bring their work together into experiences customers love. We would love to hear from you if you: Have deep, expert-level experience building production React applications, including state management, performance and testing Deep understanding of TypeScript, modern React tooling (e.g. Next.js, Vite) and design systems Have built multiple frontends from ...