17 of 17 Contract React Jobs in London

product managers, and backend engineers to deliver maintainable front-end solutions using modern web technologies. Responsibilities Build and maintain scalable front-end applications using React Develop clean, reusable, and well-structured code using TypeScript and JavaScript Translate designs and product requirements into high-quality UI components Optimize applications for performance … deliver features end-to-end Write and maintain front-end tests to ensure application quality (where applicable) Required Skills & Experience Strong experience with React (React.js/ReactJS) Proficiency in TypeScript and JavaScript for browser-based applications Solid understanding of modern front-end development practices (ES6+, component-based architecture) Experience working ...

Deliver, modernise, and support business-critical applications, frameworks and services across our stack (.NET Framework/.NET Core, HTML/CSS/TypeScript/React, Python, SQL Server, Oracle). The role focuses on refactoring legacy systems to reduce technical debt, improve reliability and performance, and embed modern security patterns ...

/experience C#/SQL Server applications (including coding experience) Windows services, Web Portals (mostly .net MVC but also some angular and/or react) Web APIs both IIS and Windows service hosted. Deployment with Azure DevOps bicep and YAML pipelines IaC (with Bicep) PowerShell scripting Senior Developer, C# ...

broker systems. Hands-on experience with GOSU programming, XML, PCF, REST, and SOAP. Programming languages: Java, Python, PL/SQL Development frameworks: Spring Boot, React, Angular Databases: Oracle, Microsoft SQL Contract Details: Duration: 6 months Rate: £400 per day Working Model: London Office (Hybrid) Role Type: Contract ...

value (Preferred) Experience with Python for data processing or automation (Preferred) Strong knowledge of API integration. (Preferred) Hands-on experience with modern frontend frameworks (React, Next.js, Typescript, etc) (Preferred) Hands-on experience with cloud platforms (AWS preferred); familiarity with scalable deployment and integration Familiarity with airline or logistics data domains ...

DBAs, and governance teams in a structured, enterprise environment. What You'll Be Doing Designing and developing applications using .NET Framework/.NET Core , React/TypeScript , Python , and relational databases Refactoring and modernising legacy systems to reduce technical debt and improve performance and reliability Embedding modern security patterns across ...

engage effectively with business and platform partners. Enhance our CI pipeline and deployment strategies. Desired Skills: Experience with modern web UI technologies like HTML5, React, RESTful services, and Websockets. Knowledge of Structured Products (Notes, Warrants, Certificates) is advantageous. Why Join Us? Be part of the fastest-growing area in Equities ...

using LLMs, RAG and agentic workflows GraphRAG/Knowledge Graph expertise - deep knowledge with Knowledge Graphs and vector databases Strong technical fluency - TypeScript/React, Langgraph/Langchain, neo4j, Docker, AWS (SageMaker, Bedrock, Hugging face), to name a few So What's Next? If you are an experienced AI Software ...

interfaces for critical government services. You'll work on high-impact projects, leveraging modern frontend technologies to deliver responsive and accessible solutions. Required Skills* React* TypeScript/JavaScript (when used in the browser) Nice to Have Skills* Playwright (front-end testing) Reasonable Adjustments: Respect and equality are core values ...

applications while contributing to greenfield development initiatives. Key Responsibilities Design, build, and maintain server-side and client-side applications using .NET Framework/Core , React/TypeScript , and relational databases ( SQL Server , Oracle ). Refactor legacy systems to reduce technical debt and improve performance. Implement modern security patterns (OAuth2/… OWASP principles. Hands-on experience with CI/CD pipelines and troubleshooting across Windows Servers and databases. Excellent communication and problem-solving skills. Desirable React/TypeScript Certifications in Azure/AWS , CISSP , or DevOps . Familiarity with Docker/Kubernetes , observability practices, and API gateways. Exposure to greenfield projects ...

SharePoint Developer Daily Rate: £415 per day via Umbrella Company Contract Length: 6 months Initially with potential for extension Working Pattern: Full Time, Hybrid, 3 days per week in the office Location : London Are you ...

will harness the power of data to drive insights and transform business processes. Key Responsibilities: Design, develop, and maintain reusable UI components using React and TypeScript . Implement responsive and accessible interfaces that meet enterprise standards (e.g., WCAG ). Collaborate with product managers, UX designers, and backend engineers to deliver … Incorporate Vercel AI SDK UI components to enhance chatbot functionality and user experience. Ensure code quality through unit and integration testing with Vitest and React Testing Library . Participate in code reviews and contribute to architectural decisions. Optimize performance and troubleshoot issues across various browsers and devices. What You Bring ...

Tier 1 Bank - .NET CORE/React/Banking/Architecture Role - C# Developer/.NET Core Duration - 6 months with very likely extension Location - Hybrid/Canary Wharf - 3 days per week in a Canary Wharf office Rate - £415 p/d inside IR35 Tech Stack C# .NET Core …/Oracle React/Typescript Role Deliver, modernise, and support business-critical applications, frameworks and services across our stack (.NET Framework/.NET Core, HTML/CSS/TypeScript/React, Python, SQL Server, Oracle). The role focuses on refactoring legacy systems to reduce technical debt, improve reliability ...

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 Hands-on experience with … Java & Spring best practices, React, and cloud/data services including SNS, SQS, S3, Aurora/PostgreSQL, and OpenSearch Excellent communication skills. Nice to have: Technical leadership with the ability to identify delivery inefficiencies, escalate issues, and drive value. Hays Specialist Recruitment Limited acts as an employment agency for permanent ...

enjoy creating innovative solutions, collaborating in a fast-paced environment, and learning from talented peers, this role is for you. Responsibilities Develop React applications on the frontend and work with REST API or GraphQL servers. Collaborate in a product/engineering team with frontend, backend, and platform engineers, as well … through pair programming and code reviews. Contribute to solving challenges associated with large-scale systems and data-intensive applications. Essential skills Strong experience with React and TypeScript . Experience using Apollo GraphQL . Experience with NextJS or Gatsby . Experience with unit testing , preferably Jest or Vitest . Strong software ...

Front-End Developer - React, Typescript Location: Ipswich (Onsite, 5 days per week) Contract Duration: 7 months IR35 Status: Inside IR35 About the Role My client, a leading global tech company , is looking for an experienced Front-End Developer . This role involves rewriting existing in-house applications using TypeScript … React , ensuring they meet modern standards and deliver exceptional user experiences. Key Responsibilities Review current applications and architecture Rebuild the codebase using TypeScript and React Document requirements in JIRA and work within Agile frameworks Write automated tests and maintain technical documentation Participate in sprint ceremonies, demos, and collaborative development activities ...

/Remote 6 months My client is an instantly recognisable Consultancy who are hiring a Java Developer with Active SC Clearance (Security Cleared), Java, ReactJS and NodeJS skills to work with a high profile end client. Key Requirements: Must have Active SC Clearance Strong experience in Java 1.8+ application development. … Expertise in ReactJS and NodeJS for web applications. Spring/Spring Boot development. Proficiency in Test Driven Development and design patterns for modular, reusable code. Knowledge of REST APIs, asynchronous messaging, and database integration. Familiarity with continuous delivery/integration processes. Ability to work collaboratively in an agile environment ...