1 to 25 of 27 Senior React Developer Jobs in England

Senior Frontend Developer (React & React Native) Senior Frontend Developer (React & React Native) Are you ready to take your React and React Native skills to the next level? All you need is: 7+ … years of experience as a Front-End Engineer; Strong proficiency in React 18+, including hooks, context, and modern patterns; Expert-level TypeScript experience with advanced types and strict configurations; Strong knowledge of state management tools (Redux, MobX, Zustand, etc.); Proven experience in building SPAs, PWAs, and working with RESTful ...

looking for a highly experienced Senior React Developer to lead the design, development, and evolution of our front-end applications. In addition to hands‐on development, you will be responsible for defining front‐end architecture, driving engineering best practices, and providing technical leadership … development practices. Good experience establishing testing strategies and implementing automated testing solutions. Hands‐on experience with testing frameworks and tools such as Jest, React Testing Library, Cypress, Playwright, Vitest, or equivalent. Experience establishing coding standards, development frameworks, and engineering best practices. Hands‐on experience with GitHub, GitLab, CI/ ...

Senior Full Stack Developer |React | Angular | Vue (contract) London, United Kingdom | Posted on 01/09/2026 Contract Role: Senior Full StackDeveloper | React | Angular | Vue Contract Location: London 4-5 days onsite each week Contract Start: Starting ASAP … level developers. Participate in sprint planning, grooming,estimation, and Agile ceremonies. Required Skills & Experience Technical Expertise Strong proficiency in front-end technologies: React/Angular/Vue Solid experience in back-end technologies: REST APIs, GraphQL Strong understanding of databases: Hands-on experience with cloud services, ideallyAzure or AWS. ...

Senior Full Stack Engineer/Developer (TypeScript React API Rust) London onsite to £120k Opportunity for a Senior/Founding Full Stack Developer to join a fast growing sports technology business as it establishes … attractive area of London on a fulltime basis (Monday to Friday). About you: You have strong full stack software engineering skills: including TypeScript, React, backend services and APIs - ideally you'll also have some knowledge of Rust You have experience shipping consumer facing products, ideally direct-to-consumer ...

Senior Full Stack Software Developer (React/TypeScript/Node) Fully remote and flexible working - £50,000 - £60,000 A fantastic opportunity for a Senior Full Stack Software Developer to join a leading HealthTech company, joining … full-stack with a slight front-end focus (probably 60/40) – you will be designing, developing and maintaining modern full-stack applications using React, TypeScript and NodeJS. As well as hands-on software development, you will get to contribute to software architecture and help to influence technical direction. ...

Senior Front-End Developer (React, TypeScript) - VP, FX Options Pricing Engineer the future of global finance At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business … team alongside developers, quants, and traders to translate complex business requirements into robust, elegant technical solutions. Innovate: Leverage your deep expertise in TypeScript and React to build high-performance, scalable, and intuitive web UIs that provide an exceptional user experience. Improve: Champion and contribute to the continuous improvement ...

front office risk and valuation platform used in a fast paced, real time environment. The Role We are seeking a hands on Senior Developer to join a high impact technology team responsible for risk, valuation, and decision support systems. You will work across … live systems and participate in an on-call rota Work in a fast paced environment balancing quick deliveries with longer term enhancements Frontend: TypeScript, React Integration with pricing/computational services Requirements Solid knowledge of TypeScript and React Experience with relational databases (PostgreSQL preferred) Ability to work ...

100339415280Posted: 2026-09-08Location: London, England, United KingdomCategory: Technology, Applications Development, ProfessionalCompany: CitiSenior Front-End Developer (React, TypeScript) - VP, FX Options PricingEngineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every … global team alongside developers, quants, and traders to translate complex business requirements into robust, elegant technical solutions.Innovate: Leverage your deep expertise in TypeScript and React to build high-performance, scalable, and intuitive web UIs that provide an exceptional user experience.Improve: Champion and contribute to the continuous improvement ...

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. ...

enhancing a front office risk and valuation platform used in a fast paced, real time environment.The Role We are seeking a hands on Senior Developer to join a high impact technology team responsible for risk, valuation, and decision support systems. You will work across … distributed or data-intensive systemsWorking ModelHybrid: 3 days per week in the London officeCollaboration with global teamsAdditional Information#TalanUKSummaryType: Full-timeFunction: ConsultingExperience level: Mid-Senior LevelIndustry: Information Technology And Services ...

Salt Digital Recruitment is seeking a Senior Full-Stack React Developer for a contract role focusing on the development of the AI research product BengoAI. This position allows for remote work across the UK and Europe, with an initial duration ...

## Senior Fullstack Developer — Java or Kotlin, React and TypeScriptApplylocations: London: Manchestertime type: Full timeposted on: Posted Todayjob requisition id: JR100892Founded in Switzerland in 1968, Zühlke is owned by its partners and located across Europe and Asia. We are a global transformation partner … wider JVM ecosystem, to develop reliable services, APIs and event-driven workflows. You will also contribute to modern web interfaces using technologies such as React and TypeScript.You will work in an increasingly AI-augmented engineering environment. We are looking for people who are curious about AI-augmented engineering ...

## Senior Fullstack Developer — Java or Kotlin, React and TypeScriptApplylocations: London: Manchestertime type: Full timeposted on: Posted Todayjob requisition id: JR100892Founded in Switzerland in 1968, Zühlke is owned by its partners and located across Europe and Asia. We are a global transformation partner … wider JVM ecosystem, to develop reliable services, APIs and event-driven workflows. You will also contribute to modern web interfaces using technologies such as React and TypeScript.You will work in an increasingly AI-augmented engineering environment. We are looking for people who are curious about AI-augmented engineering ...

Senior Full Stack Engineer/Developer (TypeScript React API Rust) London onsite to £120k Opportunity for a Senior/Founding Full Stack Developer to join a fast growing sports technology business as it establishes ...

Senior Full Stack Developer (Kotlin, React) - Banking - London Daily rate: £500 - £700 (inside IR35) Duration: 6 - 12 months Hybrid: 3 days per week in office Start: ASAP We're looking for a hands-on engineer who thrives in a collaborative XP environment ...

Senior Full Stack Developer (Kotlin, React) - Banking - London Daily rate: £500 - £700 (inside IR35) Duration: 6 - 12 months Hybrid: 3 days per week in office Start: ASAP We're looking for a hands-on engineer who thrives in a collaborative XP environment ...

Senior Full Stack Developer (Kotlin, React) - Banking - London Daily rate: £500 - £700 (inside IR35) Duration: 6 - 12 months Hybrid: 3 days per week in office Start: ASAP We're looking for a hands-on engineer who thrives in a collaborative XP environment ...

thousands of customers as part of a major regulatory remediation programme. Key Responsibilities: Design, develop and maintain customer-facing web applications using Angular or React and TypeScript. Build responsive, secure and user-friendly interfaces based on existing designs and business requirements. Integrate applications with REST APIs, authentication services … activities. Contribute to frontend architecture, technical design discussions and continuous improvement initiatives. Essential Skills & Experience Strong commercial experience developing web applications using Angular or React with TypeScript. Experience building customer-facing digital products and web portals. Experience developing applications from scratch. Strong REST API integration experience. Experience working with ...

will have 4+ years of experience as a Front-End Developer anddemonstrate proficiency in: Solid understanding of Design Patterns; Proficiency in React and Angular 2+ frameworks (minimum two years of experience with each); Familiarity with React-related libraries such as ReactQuery, React Hooks, Zustand … build tools like Webpack and Vite; Professional-level proficiency with Git, including branching strategies and collaborative workflows; Experience with unit testing frameworks (e.g., Jest, React Testing Library); Upper-intermediate level of English proficiency. Your daily adventures will look like: Developing web applications and ensuring they adhere to high-quality ...

technical direction.Key Responsibilities Design, develop, test, and maintain scalable services using C#/.NET (ASP.NET Core) and RESTful APIs.Build responsive, accessible user interfaces using React, TypeScript, HTML, and CSS.Implement secure authentication/authorisation (e.g., OAuth2/OIDC) and follow secure coding practices.Optimise performance, reliability, and observability (logging, metrics, tracing … Extensive commercial experience in full stack development with C#/.NET and React.Strong knowledge of .NET Core, dependency injection, asynchronous programming, and API design.Strong React experience including state management and modern front-end tooling.Solid understanding of software design principles, patterns, and clean code practices.Experience with SQL databases, ORM tooling ...

McGregor Recruitment is seeking a Senior UI Developer to join a major financial services technology programme in London, working on a high-performance Single Dealer Platform supporting electronic trading. Based in the City … London, this 12-month contract role focuses on front-end development and real-time interfaces. You will lead UI development, build scalable interfaces with React and RxJS, collaborate with Product, UX and Backend teams, and mentor UI engineers while integrating with Java #J-18808-Ljbffr ...

e.surv Chartered Surveyors is recruiting a Senior Software Developer to design, implement, test and maintain software applications. You will provide technical leadership and collaborate with stakeholders to deliver business-ready solutions. The role requires hands-on expertise in Python, Django and ReactJS, with strong ...

World Wide Management Consultants, Ltd is seeking a Senior Web Developer to design, build and maintain high-quality web applications for clients and in-house products. You will take ownership of features end-to-end and help shape our engineering standards … friendly, hybrid team. Based in Birmingham, UK, the role offers a collaborative and flexible work setup. You will work with Laravel and React, write clean, tested code, build responsive interfaces from designs, and integrate third-party #J-18808-Ljbffr ...

integral part of an agile team that's constantly pushing the envelope to enhance, build, and deliver top-notch technology products. As a Senior Lead Software Engineer at JPMorganChase within the Equities Sales and Trading Technology, you are an integral part of an agile team that works … oversight Practical cloud native experience Experience in Computer Science, Computer Engineering, Mathematics, or a related technical field Preferred qualifications, capabilities, and skills Expertise in React 17+ and modern front‐end development practices Experience with AG Grid or similar advanced data grid libraries Proven ability to optimize web applications ...

integral part of an agile team that's constantly pushing the envelope to enhance, build, and deliver top-notch technology products.As a Senior Lead Software Engineer at JPMorganChase within the Equities Sales and Trading Technology, you are an integral part of an agile team that works … with little to no oversightPractical cloud native experienceExperience in Computer Science, Computer Engineering, Mathematics, or a related technical fieldPreferred qualifications, capabilities, and skillsExpertise in React 17+ and modern front-end development practicesExperience with AG Grid or similar advanced data grid librariesProven ability to optimize web applications for performance ...