1,101 to 1,125 of 1,589 React Jobs in England

will help build and evolve Execute, a real-time, latency-sensitive front-office trading UI used across global markets. You will deliver complex React and TypeScript web applications in close partnership with product, UX, QA, and back-end teams across a global organization. Your success will be measured by resiliency … hidden problems and patterns in data and uses these insights to drive improvements to coding hygiene and system architecture Build and evolve real-time React and TypeScript UI features for Execute, supporting complex, high-throughput trading workflows. Contribute to UI architecture and design for latency- and availability-sensitive experiences, balancing ...

Platform Salary: Up to £120,000 per annum + equity Location: Hybrid - 1 day a week onsite in London Tech Stack: Vue 3/React, TypeScript, Python, PostgreSQL, Azure We're partnering with a high-growth AI adoption and skills platform, who are developing a production-grade enterprise SaaS application … Full Stack Engineer: Frontend Excellence: Strong, hands-on experience mastering modern JavaScript/TypeScript, CSS/Tailwind, and modern SPA frameworks (Vue 3 or React). Full-Stack Capability: Comfortable navigating and writing backend code. While they use Python (FastAPI) on the backend, they are flexible on backend language backgrounds ...

troubleshoot complex issues, perform root cause analysis and continuously improve reliability, quality and speed of delivery. Build and maintain web-based user interfaces using React.js, modern JavaScript/TypeScript, HTML and CSS, enabling colleagues to interact effectively with data and AI based tools. Technical Excellence: Promote strong software engineering practices … experience building LLM-powered applications (e.g. copilots, assistants, agent based workflows), with a focus on reliability and real user impact. Good working knowledge of React.js and modern JavaScript/TypeScript, with experience building and maintaining production web interfaces. Proficiency with HTML and CSS, and an understanding of usability, accessibility ...

team that values quality, innovation, and continuous improvement.Job ResponsibilitiesApply advanced technical skills to design, develop, and deliver full-stack solutions across frontend (React) and backend (Node.js/TypeScript, Python) servicesCreate secure, high-quality production code and maintain algorithms that run reliably and synchronously with appropriate systemsProduce architecture and design artifacts … experienceHands-on practical experience in system design, application development, testing, and operational stabilityProficiency in modern programming languages, with strong experience in JavaScript/TypeScript (React, Node.js) requiredExperience developing, debugging, and maintaining code in a large-scale environment using modern programming and database querying languagesSolid understanding of agile methodologies, including continuous ...

team that values quality, innovation, and continuous improvement. Job Responsibilities Apply advanced technical skills to design, develop, and deliver full-stack solutions across frontend (React) and backend (Node.js/TypeScript, Python) services Create secure, high-quality production code and maintain algorithms that run reliably and synchronously with appropriate systems Produce … practical experience in system design, application development, testing, and operational stability Proficiency in modern programming languages, with strong experience in JavaScript/TypeScript (React, Node.js) required Experience developing, debugging, and maintaining code in a large-scale environment using modern programming and database querying languages Solid understanding of agile methodologies, including ...

tool‐calling capabilities, and multi‐agent coordination. Full‐Stack Engineering: Drive best practices across our full stack, guiding the development of responsive frontend applications (React/TypeScript) and robust, scalable backend services (Python, Java, Kotlin, or Node.js). LLM Observability & Reliability: Establish robust LLM observability, evaluations, and caching, implementing latency … deploying, and scaling agentic AI workflows, tool integrations, and GenAI features in production environments. Full‐Stack Expertise: High proficiency in modern frontend frameworks (specifically React and TypeScript) and robust backend development languages (Python, Java/Kotlin, or Node.js). GenAI & MCP Knowledge: Deep understanding of LLM APIs, prompt engineering, agentic ...

orchestration, tool-calling capabilities, and multi-agent coordination.Full-Stack Engineering: Drive best practices across our full stack, guiding the development of responsive frontend applications (React/TypeScript) and robust, scalable backend services (Python, Java, Kotlin, or Node.js).LLM Observability & Reliability: Establish robust LLM observability, evaluations, and caching, implementing latency optimisations … designing, deploying, and scaling agentic AI workflows, tool integrations, and GenAI features in production environments.Full-Stack Expertise: High proficiency in modern frontend frameworks (specifically React and TypeScript) and robust backend development languages (Python, Java/Kotlin, or Node.js).GenAI & MCP Knowledge: Deep understanding of LLM APIs, prompt engineering, agentic/ ...

core data pipelines and insights, and works on exciting on‐site technologies including smart badges and location telemetry. Our core stack includes TypeScript (Node.js, React), MongoDB & Postgres. We use AWS for our cloud services and our infrastructure is managed with Kubernetes and Terraform. We test with Jest and Cypress … software engineering teams, ideally in a high‐growth B2B SaaS environment Strong hands‐on technical background in the Manage stack or similar: TypeScript, Node.js, React, MongoDB, Postgres, AWS A track record of delivering complex, production‐grade systems with rigour around quality, security, and observability Experience working closely with Product ...

Software Engineer Location : London (flexible working with 3 days per week regularly expected in office) Job Type : Full-time Salary & equity : £100k+ Tech Stack : React, Typescript, Python, C#, Azure Must-Haves : Experience: 8+ years, including a track record of shipping production systems Back-end experience - ideally Node.js/TypeScript … first engineering hires. You'll work directly with the founders across the full stack: a Node/TypeScript backend API, a React frontend, a C#/WPF Windows desktop connector, and Python ML/RAG workers. The codebase is in production and serves paying customers. You'll own significant parts ...

aligned with the Software Development Strategy.Contribute to full‐stack delivery, including:Backend services and REST APIs implemented in JavaModern single‐page applications implemented using React/TypeScript or equivalent frameworksMake technical decisions within assigned scope, aligning with agreed architectural direction and escalating broader decisions where appropriate.Apply strong software engineering practices … delivery using:Java (Java 8 and modern Java versions such as 17 and 21)REST API design and implementationModern SPA development experience (required) using React and TypeScript, Angular, or Vue.Strong understanding of design patterns and a solid, structured approach to software development.Proven experience delivering complex changes in production environments.Demonstrated experience ...

design, write, test, and improve software. About the role We are seeking a talented and self-motivated Frontend Software Engineer with strong skills in React and Node.js and a collaborative mindset. You will work as part of a cross-functional product development team building modern web applications used by millions … engineering team through collaboration, knowledge sharing, and participation in recruitment. Requirements Strong knowledge of HTML, CSS, and JavaScript Experience building modern web applications using React Experience working with Node.js, Express, or related backend services Experience working with RESTful APIs Familiarity with agile development practices such as: Test-Driven Development Pair ...

dunnhumby is the global leader in Customer Data Science, partnering with the world’s most ambitious retailers and brands to put the customer at the heart of every decision. We combine deep insight, advanced technology ...

Job ID: 99038764240Posted: 2026-08-10Location: London, England, United KingdomCategory: Technology, Applications Development, ProfessionalCompany: CitiEngineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to ...

We are looking for a Lead Developer to help validate the design and advance it to a full production release, deployed to a cloud environment like Azure AKS or equivalent, as well as on dedicated ...

Robert Walters is working in partnership with a national leading software solutions provider. They are seeking a Software Engineering Lead (Full Sack). They are recognised as market leaders at the forefront of innovation, transforming ...

React DeveloperAn opportunity has arisen for a React Developer to join a market leading company. If you are excited about front-end features and have a passion for data, this is the ideal position for you! The front-end team is responsible for the delivery of the product.As the React … Developer you will be responsible for:Feature development as well as data visualisationAPI developmentProduct troubleshooting and testingSolution architectureCustomer workflow and user journeysThe successful React Developer will have the following abilities/experience: Must have React and Redux experience Have an excellent working knowledge of front-end technologies such as HTML ...

learning.Has great mentorship skills.Your Qualifications: 7+ years of experience as a professional software developerLong-term experience with frontend development.Strong and proven knowledge of ReactJs or React NativeExperience with Python or another backend language.Solid knowledge and understanding of relational databases and schema designPassionate about automated testing, code quality, and general software … repetitive tasks, or using AI tools beyond basic code completion.Your Bonus Skills:Professional experience with Django and other Python-based frameworksKnowledge/Interest in React NativeFamiliar with continuous integration/deployment tools.General Skills:You are a great team player.You are meticulous about design and user experience because you want ...

Title : Front End React Developer - FS Industry Location: Manchester - 4 days per week onsite Salary/Rate: £550/600 per day inside IR35 Start Date: 10/08/2026 Job Type: Contract - 6 months with possibility of extension Company Introduction We have an exciting opportunity now available with … sector-leading financial services clients! They are currently looking for a skilled React Developer to join their team for a six-month contract. Job Responsibilities/Objectives This role will be for a frontend software engineer who is experienced in their field. The individual will be working within a single ...

Staff Software Engineer (Full Stack: TypeScript, React, Node.js) Department: Engineering Employment Type: Full Time Location: London Description Hybrid: 2 days per week in our Tower Bridge office (Wednesdays & Thursdays) money.co.uk exists to help consumers make more informed financial decisions. Our free, online comparison service allows consumers to compare financial products … partners' APIs, track sales, optimise marketing and drive reporting. We are currently growing our offering to small and medium businesses. Our stack is TypeScript, React and Node.js (Bun where it fits), running on Kubernetes in AWS. Key Responsibilities As a Staff Software Engineer you will set the technical direction ...

experience in an IT role supporting and developing enterprise-level, customer and employee-facing web applications. Expertise in JavaScript, with a strong focus on React JS, this is essential. UI/UX development experience, with a keen eye for design and usability.Extensive knowledge of front-end technologies including HTML/… HTML5, XML, DHTML, CSS/CSS3, SASS, LESS, JavaScript, React JS, Redux, Flex, jQuery, JSON, Bootstrap.Strong proficiency in JavaScript fundamentals, including object models, DOM manipulation, event handling, data structures, algorithms, and JSX.Current experience with ReactJS workflows such as Flux, Redux, Create React App, and data structure libraries. Solid understanding ...

experienced Senior Frontend Developer to join their team in London on a hybrid basis. The Senior Frontend Developer will bring expertise in React and Next.js and will have a passion for building scalable user interfaces. We are looking for a hands on developer who will contribute towards/own frontend … architecture designs and quality code standards. You will design, develop and maintain high quality frontend features using React and Next.js. React/Next.js/JavaScript/TypeScript/App Router/Server/Rendering/Turbopack/Architecture Experience: Strong professional experience building applications with React and Next.js (ideally React ...

About the Role C#.NET, .Net Core, TDD, Entity, MVC, SQL Server, Azure, React, Angular. We have a great opportunity that needs a capable full-stack developer, based in the Tunbridge Wells area of West Kent/East Sussex. As the role is hybrid, you do need to live within commuting ...

certification in software engineering concepts Hands-on experience in system design, application development, testing, and operational stability Advanced working experience with Java, Spring Boot, React, and Kubernetes Proficiency in automation and continuous delivery methods Skilled in all aspects of the Software Development Life Cycle Advanced understanding of agile methodologies, including … Preferred Qualifications, Capabilities, and Skills: Experience with Java and Oracle Familiarity with messaging platforms such as RMQ and Kafka Expertise in Kubernetes Proficiency in ReactJS and JavaScript Functional knowledge of FX or Dervis Settlements domain If you're looking for a place where your skills are valued and your contributions ...

software solutions for technical challenges. Write secure, high-quality production code and maintain UI logic that integrates with shared platforms. Develop and maintain reusable React components and UI patterns for complex workflows. Build high-performance, data-intensive user interfaces using profiling and optimization techniques. Engineer accessible, inclusive experiences by partnering … Cycle toolchain, including enterprise-authorized AI-assisted development and automation capabilities, to improve the value realized by automation. Build Generative AI interface solutions using React and TypeScript, following CI/CD standards. Actively use AI development tools for code generation, refactoring, debugging, documentation, and testing; work closely with Product ...

global cross‐functional team to transform business needs into technical solutions. The role requires Java 17+, Python, TypeScript, and experience with Spring Boot, Node.JS, React/Angular, AWS, Docker, and CI/CD. #J-18808-Ljbffr ...