1,426 to 1,450 of 2,232 Permanent React Jobs

across the stack. Develop and evolve RESTful APIs with a focus on security, versioning, performance and reliability. Build intuitive, high-performance user interfaces in React that integrate seamlessly with backend services. Champion engineering excellence through clean code, automated testing, documentation and code reviews. Drive delivery across multiple initiatives while balancing … technical excellence. What You'll Bring Technical Expertise You’ll have strong commercial experience with: Modern Java (Java 8+) including Streams, Lambdas and Optional React, including modern hooks-based development and state management Spring Boot and the wider Spring ecosystem Spring Data JPA/Hibernate Spring Security including OAuth2 ...

across the stack. Develop and evolve RESTful APIs with a focus on security, versioning, performance and reliability. Build intuitive, high-performance user interfaces in React that integrate seamlessly with backend services. Champion engineering excellence through clean code, automated testing, documentation and code reviews. Drive delivery across multiple initiatives while balancing … technical excellence. What You'll Bring Technical Expertise You’ll have strong commercial experience with: Modern Java (Java 8+) including Streams, Lambdas and Optional React, including modern hooks-based development and state management Spring Boot and the wider Spring ecosystem Spring Data JPA/Hibernate Spring Security including OAuth2 ...

primarily focus on creating exceptional user experiences while supporting backend development needs. Core Responsibilities Design and implement modern, responsive user interfaces using React and related frontend technologies Build reusable component libraries and maintain frontend architecture Build and optimize PostgreSQL database queries and schema designs Optimize application performance and user experience … specifications What you will need 5+ years of full stack development with frontend expertise, owning and building features end-to-end Strong proficiency in React, including state management and modern React patterns Commercial experience building and consuming REST APIs Working knowledge of backend technologies (Node.js, Ruby) Solid understanding of frontend ...

United Kingdom seeks a Senior Consultant, Product Engineer to design and build the product experience layer for legal AI. You will work primarily in React and TypeScript to deliver enterprise-grade interfaces while collaborating with AI engineers and knowledge teams. You will shape product decisions, understand lawyer workflows, and ensure ...

team, ensure fast editor performance, and drive the product forward with minimal gaps between browser and device rendering. The role requires strong React and TypeScript experience, editor-class interface skills, and a product-focused mindset. #J-18808-Ljbffr ...

product and iterating with real users. You'll collaborate with product, design, and engineers, prototyping ideas and delivering frontend and backend systems using TypeScript, React, Next.js, Node.js, and MongoDB. This is a high-ownership role for zero-to-one builders. #J-18808-Ljbffr ...

Developer to join the Website Builder Platform Team. You will mentor junior colleagues and contribute to a diverse engineering community, working across WordPress, PHP, React JS and cloud services. You’ll be part of a large MoJ engineering community with opportunities to move between teams and grow your skills within ...

Code projects as part of a collaborative team. Youll work with Dynamics 365 CE and Microsoft Power Platform, leveraging Dataverse, PCF, TypeScript/React and CI/CD practices to deliver secure, scalable solutions. #J-18808-Ljbffr ...

Jain Global is seeking a Senior UI Platform Engineer to join in London. You will help build reusable frontend foundations, maintain shared React/TypeScript packages, and shape onboarding and access experiences across teams. The role focuses on platform engineering for internal web apps, with emphasis on authentication, observability ...

project. You will spend about 75% on management and 25% on development, shaping how the tech evolves while delivering value. The tech stack includes React, TypeScript, GraphQL, Apollo, and AWS, though not all are required to apply. You’ll have remote work options, with full remote work initially. #J ...

develop systems that support high-impact research. The role involves designing a core scheduling platform in F# and contributing to a TypeScript/React UI, enhancing the efficiency of computational workloads. The position offers highly competitive compensation, a generous annual leave of 35 days, comprehensive healthcare, and a commitment ...

facing features, optimising application performance, and collaborating with a diverse team. Ideal candidates should have a solid engineering background, proficiency in TypeScript, Node.js, and React, and a passion for building tools in a fast-paced startup environment. The position is based in London, with support for relocation offered. #J ...

global audience, and push AI-driven iterations that impact 100,000+ users daily. We use Ruby on Rails, Typescript, PostgreSQL on GCP, with React + TS on the client and shadcn design system. Equity and strong benefits accompany the role. #J-18808-Ljbffr ...

Spotify is seeking a Senior Web Engineer to build end-to-end features for our internal Premium offers platform. You will develop with TypeScript, React, and Next.js, design and consume GraphQL APIs, and work with gRPC and Protocol Buffers in distributed services. You’ll own database schemas in PostgreSQL ...

seeks a Middleweight Software Engineer for the Browse team. You’ll work on our e‐commerce storefront front end with React, Next.js and TypeScript, contributing to CMS/API‐first integrations and a design system. Strong testing, accessibility and collaboration with product/design are essential. You’ll join ...

their London team. In this role, you'll own features from architecture to production, collaborating with engineers to create responsive web applications using TypeScript, React, and Next.js. We're seeking individuals with a strong portfolio in consumer-facing products and a passion for clean energy. The role emphasizes ownership, performance ...

seeking an Advanced Engineer to design, develop, and support solutions across the Investment Technology platform. You will work on cloud-based tools (Streamlit/ReactJS), apply AI-assisted tooling, and help drive CI/CD, data quality, and observability across the lifecycle. Collaborating with Cloud Teams, Enterprise Architecture and Security ...

features end to end, write API contracts, and guide migrations while maintaining high standards for security and performance. You’ll work with TypeScript, React, and Next.js in a server-side rendered stack, shaping AI-enabled workflows and modern frontend practices across the department. #J-18808-Ljbffr ...

TransitionZero is seeking a Frontend Engineer to join the interface team and help shape Scenario Builder with React and TypeScript. You will build new capabilities, improve the foundations of the product, and create intuitive experiences over large datasets and complex energy models. You will work with product, design, backend engineers ...

Modo Energy is hiring frontend engineers to join one of our product teams: Terminal, Data, Ko, or Modelling. You'll build a shared TypeScript, React, and Next.js frontend in a monorepo and ship against a company-wide design system. We value fast learners who ship with autonomy, move across component ...

Modo Energy is hiring frontend engineers to join one of our product teams. You’ll contribute to a shared TypeScript, React, and Next.js codebase in a monorepo and build against our design system. You’ll ship features across the Terminal, Data, Ko, or Modelling teams, with autonomy and opportunities ...

features end-to-end, from concept through deployment, across backend, frontend, UI/UX, and deployment considerations. You will work with Python, Typescript, React and Electron in a product-driven environment, shaping user-focused improvements while adapting to new areas as needed. The role combines development, testing, and field deployment ...

building a health-AI platform and seeks engineers who own problems end to end. You'll work on a modern serverless stack with TypeScript, React, AWS, and GraphQL, shipping features that touch millions of patients through a national health system. We value raw horsepower, strong CS fundamentals, and the ability ...

ensure security‐minded DevSecOps practices while staying hands‐on technically. You will drive architecture decisions and build enterprise apps using Python, Django, Flask and React.js, delivering secure REST APIs and scalable data solutions in a hybrid remote setup across the UK. #J-18808-Ljbffr ...

candidates have 5-7+ years in technical product development, strong executive communication skills, and fluency in Spanish and English. Some coding experience with React, Typescript, and Go is a plus. #J-18808-Ljbffr ...