15 of 15 Permanent Senior React Developer Jobs in London

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 ...

Senior Front-End Developer (React) – Equity Derivatives Technology – VP Engineer the future of global finance. At Citi, our Tech teamdoesn’tjust support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countriesoperatingat … section is about the candidate. Experience as a technical lead senior developer with front-end technology (JS, ideally React). Extensive experience of system analysis and development of production-quality software applications. Consistently clear and concise written and verbal communication. Experience working with ...

Senior Full Stack Developer TypeScript React API London, Greater London | £100k - £120k per year Senior Full Stack Engineer/Developer (TypeScript React API Rust) London onsite to £120k Opportunity for a Senior/… 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 ...

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 ...

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. ...

## 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 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 ...

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 ...

pick up themselves. Work alongside our London team, with direct access to the people building and supporting Jodie. What you'll own Ship accessible React and TypeScript features from customer problem to production. Make loading, empty, error and live-update states feel deliberate and dependable. Build reusable interface patterns … application responsive as it grows. Use product feedback, tests and performance measurements to improve real customer journeys. What you'll bring Experience owning production React applications with TypeScript. Sound judgement about state, server data, component boundaries and testing. Ability to work closely with design and backend engineers and explain ...

Contract Senior Full Stack Developer – Java 21/React/AWS Contract Talan (part of the Talan Group) is an expert provider of professional services. Our vision and mission is to take positive action in a complex world for the future good … Stack Developer. The role is to build a new Forms capability consisting of a Java 21/Spring Boot 3 backend service and a React/Vite/TanStack frontend portal, both deployed as containers on AWS EKS. The solution will reuse existing platform services for users, projects, project ...

pick up themselves. Work alongside our London team, with direct access to the people building and supporting Jodie. What you'll own Own React Native and TypeScript features across iOS and Android. Make push notifications, deep links and authentication work reliably across app states. Handle poor connectivity, background behaviour … with care. Own release quality, crash investigation and app-store delivery with the wider engineering team. What you'll bring Experience shipping and maintaining React Native apps on both iOS and Android. A practical understanding of native build tooling, signing and release workflows. Experience debugging performance, lifecycle and network ...

about developing your career, while helping others along the way, come join the Broadridge team.We are excited to announce an opportunity for a Senior Full Stack Developer to join our organization as part of our AI Enablement Team.In this role, you will play ...

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 ...

Solytics Partners is a Global Analytics firm, recognized with multiple industry awards for innovation and excellence. Our team comprises experts with deep domain knowledge in risk, analytics, AI/ML, AML/FCC, and fraud. ...

better. The work is a mixture of green-field and legacy projects (much like any other mature organisation) mostly using C#, SQL Server, Next.js, React & TypeScript, with a combination of monolithic and microservices architectures. Key Responsibilities We are looking for technically strong and organised senior developers … modern edge/serverless environments. Essential Skills/Experience We would like to meet someone who is Minimum 6 years of commercial experience of React/TypeScript Minimum 6 years of solid C# in a commercial environment Produces initial results rapidly and iterate based upon feedback. Knowledge of microservice ...