526 to 550 of 797 React Jobs in the South East

.NET Developer - Dartford (Tech stack: .NET Developer, .NET 9, ASP.NET, C#, React, Angular 19, Microservices, Vue.js, TypeScript, Azure, Web API 2, Agile, SQL Server 2022, Programmer, Full Stack Engineer, Architect, .NET Developer)At this very moment our client is constructing the world's first intelligent answer engine based on semantic information recognition. This new search engine is based on innovative … looking for .NET Developer who have experience in .NET, .NET Core/ASP.NET MVC, C# and SQL Server. You will receive training in all aspects of: .NET 9, JavaScript, React, Angular 19, Microservices, MongoDB, Vue.js, TypeScript, Azure, AWS, Web API 2, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban and SQL Server 2022. These .NET Developer positions come with More ❯

Location: London (3 days a week in the office) About The Opportunity: One of the world's leading Specialty Insurers, renowned for their deep expertise, unparalleled track record, and solid balance sheet. They are committed to empowering their people and More ❯

InfoSum is the world's leading data collaboration platform. The world's largest enterprise businesses use InfoSum to collaborate across data sources and deliver richer customer experiences that prioritise consumer privacy. Our vision is to unlock data's limitless potential More ❯

Mobile Application Developer – React Native Location: Stewartby, Bedfordshire (Office-based) Salary: £50,000–£65,000 + Benefits Job Type: Full-time, Permanent Sector: EV Charging | Mobile App Development | Smart Technology | IoT Build the App Behind the EV Revolution. We're hiring for a talented Mobile App Developer (React Native) to join the growing tech team of a UK-based innovator … ll play a key role in delivering the intuitive mobile experience that ties it all together. The Role You'll design and develop a cross-platform mobile application using React Native, working alongside engineers across firmware, hardware, cloud, and web. You'll own the app development lifecycle and help create an effortless charging experience for end users. What You'll … Need Strong experience in mobile app development Strong expertise in React Native Experience working with cloud platforms like Firebase, AWS, or GCP Familiar with real-time databases, agile development, and version control (Git) Comfortable using JIRA (or similar) and unit testing tools Good knowledge of JavaScript, TypeScript, and React for web Understanding of UI/UX best practices with ability More ❯

with the goal to progress into Engineering Manager over time. This is a frontend-leaning leadership role, focused on: Web performance SEO Landing pages Experimentation and optimisation Tech stack: React, Typescript, Tailwind, Astro As a profitable, employee-owned, full product-led company, this is an opportunity you don’t want to miss! You will enjoy excellent benefits as a Frontend More ❯

with the goal to progress into Engineering Manager over time. This is a frontend-leaning leadership role, focused on: Web performance SEO Landing pages Experimentation and optimisation Tech stack: React, Typescript, Tailwind, Astro As a profitable, employee-owned, full product-led company, this is an opportunity you don’t want to miss! You will enjoy excellent benefits as a Frontend More ❯

with the goal to progress into Engineering Manager over time. This is a frontend-leaning leadership role, focused on: Web performance SEO Landing pages Experimentation and optimisation Tech stack: React, Typescript, Tailwind, Astro As a profitable, employee-owned, full product-led company, this is an opportunity you don’t want to miss! You will enjoy excellent benefits as a Frontend More ❯

Company | SaaS, Product, B2B2C, Enterprise 📏 Size | 2.5k globally, 300 in London 🧢 Role | Engineering Manager 🎯 Areas | team building, people leadership, product development ✨ Tech | Node.js, React 📍 Based | London (Zone 1) 💻 Hybrid | 3 days a week in-office 💰 Offer | £120-135k + bonus + RSUs Hi Workonomics are partnering with a well-known, much-loved, multi - product SaaS company. They're an More ❯

Company | SaaS, Product, B2B2C, Enterprise 📏 Size | 2.5k globally, 300 in London 🧢 Role | Engineering Manager 🎯 Areas | team building, people leadership, product development ✨ Tech | Node.js, React 📍 Based | London (Zone 1) 💻 Hybrid | 3 days a week in-office 💰 Offer | £120-135k + bonus + RSUs Hi Workonomics are partnering with a well-known, much-loved, multi - product SaaS company. They're an More ❯

Company | SaaS, Product, B2B2C, Enterprise 📏 Size | 2.5k globally, 300 in London 🧢 Role | Engineering Manager 🎯 Areas | team building, people leadership, product development ✨ Tech | Node.js, React 📍 Based | London (Zone 1) 💻 Hybrid | 3 days a week in-office 💰 Offer | £120-135k + bonus + RSUs Hi Workonomics are partnering with a well-known, much-loved, multi - product SaaS company. They're an More ❯

creating exceptional digital experiences and improving how things are done Clear communication skills, with a collaborative and proactive mindset Bonus Skills Experience designing responsive websites in Figma Familiarity with React Native for app development Experience delivering React and Next.js solutions with headless CMS integrations. Experience with NPM, Gulp or similar front-end build tools Exposure to DevOps or hosting environments More ❯

creating exceptional digital experiences and improving how things are done Clear communication skills, with a collaborative and proactive mindset Bonus Skills Experience designing responsive websites in Figma Familiarity with React Native for app development Experience delivering React and Next.js solutions with headless CMS integrations. Experience with NPM, Gulp or similar front-end build tools Exposure to DevOps or hosting environments More ❯

creating exceptional digital experiences and improving how things are done Clear communication skills, with a collaborative and proactive mindset Bonus Skills Experience designing responsive websites in Figma Familiarity with React Native for app development Experience delivering React and Next.js solutions with headless CMS integrations. Experience with NPM, Gulp or similar front-end build tools Exposure to DevOps or hosting environments More ❯

Senior Frontend Engineer (React/TypeScript) – SC Cleared (MOD) 3-month contract (extendable) £550–£600/day Outside IR35 Hybrid – Thames Valley Join a cutting-edge UK-based AI company building intuitive, high-performance interfaces for generative AI platforms. We’re seeking a Senior Frontend Engineer to lead the development of user-facing experiences that make advanced AI capabilities accessible … performant, responsive web applications with real-time streaming capabilities. The Role: Ownership of frontend architecture for AI-driven chat platforms, from design to deployment Development of scalable SPAs using React 19, TypeScript, and Vite for optimal performance Implementation of authentication flows with Azure MSAL/OAuth2 and secure session handling State management using Zustand and TanStack Query for seamless client … server sync Integration of streaming AI endpoints via AI SDK React, including WebSocket handling and graceful degradation Deployment via Docker containers with multi-stage builds and CI/CD pipelines using GitHub Actions Collaboration with DevOps for AWS CloudFront/S3 delivery, caching, and CDN optimization Accessibility leadership (WCAG 2.1 AA), cross-browser testing, and performance monitoring via Web Vitals More ❯

Senior Frontend Engineer (React/TypeScript) – SC Cleared (MOD) 3-month contract (extendable) £550–£600/day Outside IR35 Hybrid – Thames Valley Join a cutting-edge UK-based AI company building intuitive, high-performance interfaces for generative AI platforms. We’re seeking a Senior Frontend Engineer to lead the development of user-facing experiences that make advanced AI capabilities accessible … performant, responsive web applications with real-time streaming capabilities. The Role: Ownership of frontend architecture for AI-driven chat platforms, from design to deployment Development of scalable SPAs using React 19, TypeScript, and Vite for optimal performance Implementation of authentication flows with Azure MSAL/OAuth2 and secure session handling State management using Zustand and TanStack Query for seamless client … server sync Integration of streaming AI endpoints via AI SDK React, including WebSocket handling and graceful degradation Deployment via Docker containers with multi-stage builds and CI/CD pipelines using GitHub Actions Collaboration with DevOps for AWS CloudFront/S3 delivery, caching, and CDN optimization Accessibility leadership (WCAG 2.1 AA), cross-browser testing, and performance monitoring via Web Vitals More ❯

Role – Senior/Lead Application Developer (MERN) The successful candidate will be responsible for designing, developing, and maintaining web applications using the MERN technology stack, which includes MongoDB, Express.js, React.js, and Node.js. The ideal candidate should have a strong understanding of the full web development life cycle, a thorough understanding of AWS and be able to work independently as well … conceptualize, define, and implement new features. • Work with Public Cloud (AWS) services, leveraging those than enhance our applications • Testing applications for performance and functionality • Developing user-facing features using React.js, ensuring appealing and responsive user interfaces. • Collaborating with other developers on projects • Work alongside development members and business partners to develop microservices • Identifying and addressing bugs, glitches, and performance issues … NodeJS ES6) technologies, typescript with knowledge of best practices • DevOps strategies, designing and best practices/strategies • Senior development experience using MERN framework for web application development. • Unit with React Testing Library/Jest and E2E test automation with Cypress • Industry standard CI/CD Orchestration Tools (GitHub Actions and Docker) • knowledge of Docker, API microservices, API integration with SAP More ❯

Role – Senior/Lead Application Developer (MERN) The successful candidate will be responsible for designing, developing, and maintaining web applications using the MERN technology stack, which includes MongoDB, Express.js, React.js, and Node.js. The ideal candidate should have a strong understanding of the full web development life cycle, a thorough understanding of AWS and be able to work independently as well … conceptualize, define, and implement new features. • Work with Public Cloud (AWS) services, leveraging those than enhance our applications • Testing applications for performance and functionality • Developing user-facing features using React.js, ensuring appealing and responsive user interfaces. • Collaborating with other developers on projects • Work alongside development members and business partners to develop microservices • Identifying and addressing bugs, glitches, and performance issues … NodeJS ES6) technologies, typescript with knowledge of best practices • DevOps strategies, designing and best practices/strategies • Senior development experience using MERN framework for web application development. • Unit with React Testing Library/Jest and E2E test automation with Cypress • Industry standard CI/CD Orchestration Tools (GitHub Actions and Docker) • knowledge of Docker, API microservices, API integration with SAP More ❯

doing: Design, develop, test, deploy, and maintain robust and scalable backend systems and APIs using Python Build intuitive, performant, and delightful frontend user interfaces using modern JavaScript frameworks like React Work with databases to design schemas, write efficient queries, and ensure optimal performance Contribute to overall system architecture, ensuring scalability, reliability, and security Collaborate closely with product managers, designers, AI … he team What are we looking for: At least 7+ years in professional full-stack software development Strong proficiency in Python for backend development Experience with modern frontend frameworks (React, Vue, Angular) Solid understanding of database technologies (PostgreSQL, MySQL) and data modeling Experience designing and building RESTful APIs Experience with cloud platforms (AWS, GCP, Azure) and containerization (Docker) Bonus: Experience More ❯

doing: Design, develop, test, deploy, and maintain robust and scalable backend systems and APIs using Python Build intuitive, performant, and delightful frontend user interfaces using modern JavaScript frameworks like React Work with databases to design schemas, write efficient queries, and ensure optimal performance Contribute to overall system architecture, ensuring scalability, reliability, and security Collaborate closely with product managers, designers, AI … he team What are we looking for: At least 7+ years in professional full-stack software development Strong proficiency in Python for backend development Experience with modern frontend frameworks (React, Vue, Angular) Solid understanding of database technologies (PostgreSQL, MySQL) and data modeling Experience designing and building RESTful APIs Experience with cloud platforms (AWS, GCP, Azure) and containerization (Docker) Bonus: Experience More ❯

doing: Design, develop, test, deploy, and maintain robust and scalable backend systems and APIs using Python Build intuitive, performant, and delightful frontend user interfaces using modern JavaScript frameworks like React Work with databases to design schemas, write efficient queries, and ensure optimal performance Contribute to overall system architecture, ensuring scalability, reliability, and security Collaborate closely with product managers, designers, AI … he team What are we looking for: At least 7+ years in professional full-stack software development Strong proficiency in Python for backend development Experience with modern frontend frameworks (React, Vue, Angular) Solid understanding of database technologies (PostgreSQL, MySQL) and data modeling Experience designing and building RESTful APIs Experience with cloud platforms (AWS, GCP, Azure) and containerization (Docker) Bonus: Experience More ❯

our programmatic and data-driven integration platforms, with a focus on scalability, reliability, and clean architecture. You will work across the full technology stack, with a primary focus on React.js for front-end development and Node.js for back-end services. You'll manage complex data flows in PostgreSQL , utilize Redis for caching and performance optimization, and implement robust messaging systems … testing, deployment, and DevOps automation. Contribute to a culture of innovation, collaboration, and continuous technical improvement. Key Responsibilities Lead the design and development of dynamic, responsive web applications using React.js , Node.js , and related technologies. Build and optimize PostgreSQL databases, including schema design, complex queries, and performance tuning. Implement and manage Redis for caching, session management, and real-time data access. … user needs. Stay current with emerging technologies, frameworks, and industry best practices, applying them where relevant. Skills & Experience Proven experience as a Full Stack Developer with strong proficiency in React.js and Node.js . Solid understanding of PostgreSQL and Redis for data management and caching. Experience with Kafka or similar message streaming platforms. Strong knowledge of CI/CD tools (e.g. More ❯

our programmatic and data-driven integration platforms, with a focus on scalability, reliability, and clean architecture. You will work across the full technology stack, with a primary focus on React.js for front-end development and Node.js for back-end services. You'll manage complex data flows in PostgreSQL , utilize Redis for caching and performance optimization, and implement robust messaging systems … testing, deployment, and DevOps automation. Contribute to a culture of innovation, collaboration, and continuous technical improvement. Key Responsibilities Lead the design and development of dynamic, responsive web applications using React.js , Node.js , and related technologies. Build and optimize PostgreSQL databases, including schema design, complex queries, and performance tuning. Implement and manage Redis for caching, session management, and real-time data access. … user needs. Stay current with emerging technologies, frameworks, and industry best practices, applying them where relevant. Skills & Experience Proven experience as a Full Stack Developer with strong proficiency in React.js and Node.js . Solid understanding of PostgreSQL and Redis for data management and caching. Experience with Kafka or similar message streaming platforms. Strong knowledge of CI/CD tools (e.g. More ❯

to help build and scale their AI-enabled workspace for professional services, investment banking, and asset managers. What you’ll be doing Building and maintaining frontend web applications using React and Next.js Developing, testing, and deploying backend services and APIs (Python preferred, e.g. Django, FastAPI) Working closely with founders, design, growth, and other engineers to ship high-impact features Ensuring … and helping improve engineering practices across the team What they’re looking for At least 5 years’ professional software engineering experience Strong experience delivering production-grade web applications with React and Next.js Solid backend skills, preferably in Python , with good understanding of both relational and NoSQL databases Familiarity with Git and collaborative workflows, background workers/task queues (e.g. Celery More ❯

to help build and scale their AI-enabled workspace for professional services, investment banking, and asset managers. What you’ll be doing Building and maintaining frontend web applications using React and Next.js Developing, testing, and deploying backend services and APIs (Python preferred, e.g. Django, FastAPI) Working closely with founders, design, growth, and other engineers to ship high-impact features Ensuring … and helping improve engineering practices across the team What they’re looking for At least 5 years’ professional software engineering experience Strong experience delivering production-grade web applications with React and Next.js Solid backend skills, preferably in Python , with good understanding of both relational and NoSQL databases Familiarity with Git and collaborative workflows, background workers/task queues (e.g. Celery More ❯

to help build and scale their AI-enabled workspace for professional services, investment banking, and asset managers. What you’ll be doing Building and maintaining frontend web applications using React and Next.js Developing, testing, and deploying backend services and APIs (Python preferred, e.g. Django, FastAPI) Working closely with founders, design, growth, and other engineers to ship high-impact features Ensuring … and helping improve engineering practices across the team What they’re looking for At least 5 years’ professional software engineering experience Strong experience delivering production-grade web applications with React and Next.js Solid backend skills, preferably in Python , with good understanding of both relational and NoSQL databases Familiarity with Git and collaborative workflows, background workers/task queues (e.g. Celery More ❯