25 of 25 Contract React Jobs in London

looking for a skilled Senior Frontend Developer with strong experience in TypeScript and React Native to join our development team. In this role, you will build scalable, high-performance web applications and work closely with cross-functional teams to deliver outstanding user experiences. This is initially a six-month contract … week in the London office, and is full-time at 40 hours per week. Key Responsibilities: Develop and maintain scalable, responsive applications using React.js, React Native, and TypeScript Work closely with UX/UI designers to deliver intuitive and engaging interfaces Write clean, efficient, and maintainable code following best practices ...

performance and observability* Experience with monitoring tools such as CloudWatch and/or Datadog* Experience with testing strategy and LLM evaluation Nice to have: * React, Next.js and TypeScript experience* Experience delivering AI-enabled user experiences, such as chat-based interfaces or intelligent workflows* Familiarity with GenAI concepts, including LLMs ...

Public Sector. Active SC and NPPV3 Clearance. Senior-level expertise in either Java/Spring (Boot, Data JPA, Security) or JavaScript/TypeScript with React; mid-level experience acceptable in the other Proven experience delivering high-quality, cross-functional solutions using microservices and micro-frontend architectures Strong knowledge of Oracle ...

development team Strong Java development skills, including experience with multi-threaded and mission critical applications Exposure and knowledge of front-end technologies such as React and Angular Experience with relational database technologies, including SQL proficiency Embed quality gates and parallelized execution in CI/CD ; reduce build times while increasing ...

engineers, establish technical standards, and contribute to capability development across the team. Required Skills & Qualifications: Strong hands-on experience in front-end & application development (React.js/Next.js), backend development (Java or Python), and building secure, scalable APIs and distributed applications. Expertise in data engineering & platforms including SQL, data warehousing ...

configuration management (Ansible) Experience operating and administering Linux distributions (RHEL, Ubuntu) Familiarity with cloud-native services (Azure AKS, ACR) Exposure to frontend frameworks (React, Vue.js) Operations and technical troubleshooting experience Candidates will ideally show evidence of the above in their CV in order to be considered. Please be advised ...

domain modelling, integration patterns, and performance considerations. Experience with Entity Framework Core code-first migrations and data modelling. Strong front-end engineering skills in React and TypeScript, including component architecture, state management, and integration with REST/SignalR backends. Solid understanding of event-driven architectures. Hands-on experience with PostgreSQL ...

Title: Senior Full Stack Developer (React & Java script) Contract Length: 12 Months Location: London - 3 Days a week Daily Rate: Circa £650/Day (Inside IR35) About the Role Join our dynamic team as a Senior Full Stack Developer, where your expertise in React JS and Java script Core will … collaborative environment and are eager to make an impact, we want to hear from you! Technical Skills Front-end: Strong proficiency in React.js, JavaScript/TypeScript, Redux/RTK, and modern UI patterns, develop framework is essential - More to React JS and Java script Back-end: Expertise in C# .NET ...

applications within the Google Cloud Platform (GCP) ecosystem. ● JavaScript/TypeScript Expert: Expert-level knowledge of modern language features, asynchronous patterns, and static typing. ● React: Expert knowledge of building interfaces, managing state, and optimizing performance within React. ● NodeJS/Express: Strong experience building and scaling server-side applications using Express. ...

Full Stack Engineer - Azure, C#, .Net, React/ReactJS Outside IR35 12 Month Contract Fully Remote (UK only) £400 - 425 Per Day We're currently working with a London based MedTech company who are searching for a Full Stack Engineer who has extensive experience working with Azure, C#, .Net … React/ReactJS. This project will see you working alongside a small existing team of developers, adding additional capacity to make business critical updates and enhancement to their existing Azure based core platform, with the bulk of the work will focus on enhancing the workflow engine! We are looking ...

successful tech consultancy who are looking for DevOps Engineer for some immediate contract roles. Key skills: PostHog implementation implementing event tracking strategies Experience with React, Next.js, Node.js, or similar modern web technologies. Familiarity with AWS and/or Azure environments. Experience with CI/CD pipelines and Infrastructure as Code. ...

mutation testing), WireMock (where appropriate). BDD: Cucumber, Karate (behaviour-driven and API-focused testing). Frontend Testing: Playwright (thin end-to-end coverage) ReactJS testing library. Contract Testing: PACT (REST APIs and Kafka events), Pact Broker. Performance Testing: k6 or Gatling (performance smoke tests and baseline validation). ...

Developer - (React, TypeScript & .NET) - Hybrid - Outside IR35 We are looking for a Web Developer with strong React and TypeScript experience and some knowledge of C# and .NET to join a development team on an initial 12-month contract. Responsibilities Develop and maintain web applications using React and TypeScript. Contribute … stand-ups, sprint planning, estimation sessions, and retrospectives. Support DevOps pipelines and deployment activities. Attend team meetings as required. Required Skills Commercial experience with React and TypeScript. Knowledge of C# and .NET. Experience with Git and source control. Understanding of automated testing practices. Experience working within an Agile environment. Good ...

Java based microservices, applying test driven development and following established engineering standards. You'll work with technologies including Java, Spring Boot, Postgres, Kafka, Docker, React and AWS. You'll contribute to CI/CD pipelines, ensure non-functional requirements are met and collaborate with colleagues across engineering, analysis and design. …/CD pipelines (Jenkins or similar) Working in agile, multi-disciplinary teams Desirable experience Kafka Liquibase or similar migration tooling Swagger/OpenAPI Gradle React TypeScript Reasonable Adjustments: Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built ...

modern platform that leverages large language models (LLMs) and advanced AI capabilities. Key Responsibilities * Build, enhance and maintain a full-stack application using Next.js, React and TypeScript. * Develop and optimise backend services and data models using PostgreSQL and Prisma. * Work closely with AI engineers and evaluation teams to translate data … platform. Essential Skills & Experience * Minimum 5 years' experience in full-stack software engineering. * Strong commercial experience with: o TypeScript o Next.js o React o PostgreSQL o Prisma ORM * Experience working with cloud platforms and infrastructure-as-code. * Hands-on experience with: o Google Cloud Platform (GCP) o Terraform o Docker ...

Shipping production software with 3 to 5 of those in a tech lead or staff engineer role - Python and TypeScript/Node, with solid React/Next.js and NestJS/FastAPI experience - PostgreSQL, including schema design, query performance, ETL/ELT, and analytical workloads at scale - LLM/AI features … Please apply below. Tech Lead, Technical Lead, Staff Engineer, Principal Engineer, Private Credit, Private Markets, Capital Markets, AI Platform, Analytics Platform, Python, TypeScript, Node.js, React, Next.js, NestJS, FastAPI, PostgreSQL, pgvector, LangChain, LangGraph, LiteLLM, AWS, LLM, Fintech, Greenfield, Remote, Hybrid/Remote, Contract ...

Shipping production software with 3 to 5 of those in a tech lead or staff engineer role - Python and TypeScript/Node, with solid React/Next.js and NestJS/FastAPI experience - PostgreSQL, including schema design, query performance, ETL/ELT, and analytical workloads at scale - LLM/AI features … Please apply below. Tech Lead, Technical Lead, Staff Engineer, Principal Engineer, Private Credit, Private Markets, Capital Markets, AI Platform, Analytics Platform, Python, TypeScript, Node.js, React, Next.js, NestJS, FastAPI, PostgreSQL, pgvector, LangChain, LangGraph, LiteLLM, AWS, LLM, Fintech, Greenfield, Remote, Hybrid/Remote, Contract ...

Azure services , including Service Bus, API Management (APIM), Function Apps and Logic Apps Supporting pro-code extensibility using .NET and JavaScript , with exposure to React and Fluent UI for PCF controls (desirable) Engaging with emerging technologies such as Code Apps, AI-assisted development and 'vibe coding' approaches (desirable) Actively working … experience Strong expertise in Model-Driven Apps , with solid experience in Canvas Apps and PCF Good understanding of JavaScript-based frameworks used in PCF (React, Fluent UI - nice to have) Strong integration experience across Azure services, APIs and secure data exchange Experience working in Agile delivery teams with modern DevOps ...

approach. Analyze the existing manual RFP workflow and identify opportunities to streamline, simplify, and automate key steps. Design and develop a functional prototype using React, Node.js, and TypeScript to demonstrate proposed automation solutions. Iterate on the prototype based on feedback from stakeholders, refining functionality, usability, and performance. Scale the prototype … technical designs, implementation details, and user-facing aspects of the solution to support ongoing maintenance and enhancements. Essential Skills Strong hands-on experience with React for building modern, responsive user interfaces. Proficiency in Node.js for developing scalable server-side applications and APIs. Solid knowledge of TypeScript ...

approach. Analyze the existing manual RFP workflow and identify opportunities to streamline, simplify, and automate key steps. Design and develop a functional prototype using React, Node.js, and TypeScript to demonstrate proposed automation solutions. Iterate on the prototype based on feedback from stakeholders, refining functionality, usability, and performance. Scale the prototype … technical designs, implementation details, and user-facing aspects of the solution to support ongoing maintenance and enhancements. Essential Skills Strong hands-on experience with React for building modern, responsive user interfaces. Proficiency in Node.js for developing scalable server-side applications and APIs. Solid knowledge of TypeScript ...

architectures and development approaches. Drive adoption of: Microservices architecture API-first design Event-driven architecture Cloud-native development patterns Modern front-end development using React Support modernisation of application integration and data access patterns. Architecture Standards & Best Practices Establish and govern common application design principles and standards. Champion architectural approaches … Server REST APIs Experience transitioning traditional Microsoft applications to modern architectures. Front-End Experience Strong understanding of modern front-end architecture. Experience with: React TypeScript JavaScript Component-based UI design Disclaimer: This vacancy is being advertised by either Advanced Resource Managers Limited, Advanced Resource Managers IT Limited or Advanced Resource ...

shadow Product Owners and Product Managers including participating in customer research and product discovery processes. The skills you'll need: In-depth knowledge of React, JavaScript/TypeScript and the DOM. Demonstrated delivery of web applications. Comfortable working with REST APIs using asynchronous patterns. Experience with Git, including understanding … Experience with optimising code for performance and quality. Experience working in a Test Driven Development like environment. Working knowledge of Apollo (client and server), React Hooks, SASS/SCSS and Webpack. Good knowledge of Node.js and production- level GraphQL. Design-minded attention to user interface implementation. Message-driven architectures/ ...

Lead Full Stack Engineer - React, Golang £Market Rate London/Primarily Remote 4 months initially My client is an instantly recognisable consultancy who require a Lead Full Stack Engineer to join a business-critical programme for an end client.Key Responsibilities: Own end-to-end technical design and delivery across … TypeScript/React/Vite front end and Golang microservices within a multi-tenant SWaaS architecture. Define front-end module boundaries, API contracts (REST/gRPC), and state management; establish idiomatic Golang service structure, concurrency, and error-handling patterns. Act as hands-on Tech Lead, driving design reviews, PR approvals ...

Lead Full Stack Engineer - React, Golang £Market Rate London/Primarily Remote 4 months initially My client is an instantly recognisable consultancy who require a Lead Full Stack Engineer to join a business-critical programme for an end client. Key Responsibilities: Own end-to-end technical design and delivery across … TypeScript/React/Vite Front End and Golang microservices within a multi-tenant SWaaS architecture. Define Front End module boundaries, API contracts (REST/gRPC), and state management; establish idiomatic Golang service structure, concurrency, and error-handling patterns. Act as hands-on Tech Lead, driving design reviews, PR approvals ...

engineering teams to ship outcomes. You are confident with NodeJS and modern JavaScript standards like ES6 and ES7, and you can work with ReactJS or VueJS when needed to support user flows. Nice to have but not essential Hyperledger Besu, permissioned network design, consensus configuration, and experience building for regulated … will get you shortlisted Ethereum, Solidity, smart contracts, Web3, ERC 20, ERC 1155, tokenisation, Hyperledger Besu, IBFT 2.0, QBFT, NodeJS, APIs, MRV, audit readiness, ReactJS, VueJS, decentralised finance, digital assets, carbon credits, sustainability tech. ...