1 to 25 of 31 Contract React Jobs in London

Alterian, Immediacy, Ektron, Kentico, Sitefinity or DotNetNuke. Our client is passionate about continuous learning and will provide industry-recognised training in: .NET 10.0, JavaScript, React, Angular 21, Microservices, MongoDB, Vue.js, TypeScript, Azure, AWS, ASP.NET Core Web API, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum and Kanban. This ...

Title: Senior Full Stack Developer (React & C#.NET) 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 C# .NET Core will shine … 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 Back-end: Expertise in C# .NET Core, REST APIs, and microservices-based development ...

building end-to-end full-stack solutions in a modern cloud environment Backend development using Python and C# Frontend development with TypeScript and React Working within Azure (Functions, Azure SQL, Service Bus, ADF) Contributing to architecture discussions, technical design, and code reviews Applying pragmatic AI-assisted/agentic engineering practices ...

challenges). Your Profile Essential skills/knowledge/experience: (Up to 10, Avoid repetition) Frontend Python driven UI frameworks: Dash, Streamlit (preferred over React/Angular). Backend Expert level Python programming (mandatory). Database Experience with Delta Tables or similar modern data lake table formats. Cloud & DevOps Mandatory ...

have: API Specification using Swagger/OpenAPI Gradle build systems Liquibase (or similar) for database versioning/migrations Kafka or similar event-streaming platforms React and Typescript If you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV, or call ...

back-end development of applications and APIs interacting with the Azure Databricks platform. Develop user interfaces using modern front-end frameworks (e.g., React, Angular, Vue.js) and ensure a seamless user experience. Develop robust and efficient back-end services and APIs using Python. Python Development: Develop and maintain Python code ...

scale systems end-to-end, not those with superficial exposure or purely design-focused experience. Candidates must have strong experience of Java Full Stack, React, Kubernetes & Docker. Experience in building responsive, component based user interfaces using modern front end frameworks. Hands on expertise in API design and development (REST/ ...

solving skills e.g. ability to lead root cause analysis, own resolutions & Strategic thinker who can see the big picture and provide thought leadership. Preferred: React JS, .Net development experience a plus Application Management experience Knowledge of Bank technologies (Quartz/Risk - IMM) Knowledge of Securities Lending or Prime Financing ...

team, as well as the wider development department Development of Office 365 tools including SharePoint Online (PowerApps, Power Automate and SPFX or ReactJS). Analysing of business requirements and providing constructive feedback. Creating documentation to detail deliverables by the relevant teams with enough depth for both technical and business viewpoints. ...

complex financial data. Experience integrating APIs and working with CI/CD pipelines. Front end or internal tooling experience using technologies such as TypeScript, React or Next.js. What They Offer A 12 month fixed term contract with a strong likelihood of extension or permanent conversion. High visibility role with genuine ...

Work model – Hybrid (3 days in an office) Location – London, UK We are seeking an experienced and results-driven Senior Java Full Stack Developer (React Mandatory) to join our team in London. This project is associated with one of the largest Bank. Key Responsibilities: Design, develop, and maintain robust, scalable … high-performance web applications. Build responsive and dynamic user interfaces using React js. Develop backend services and APIs using Java (Spring Boot/Spring Framework). Write clean, maintainable, and efficient code following best practices. Perform code reviews and mentor junior developers. Optimize applications for maximum speed and scalability. Ensure ...

Senior Web Application Developer ASP.NET MVC 5, C#, & React Location: Hybrid 3/4 days p/w onsite West London Must have right to work in the UK and located near West London 3 months contract (extension TBC) Start ASAP (Immediate start/within 2 weeks notice) Inside IR35 … experience with a strong portfolio in bespoke eCommerce and enterprise web applications. * Proven expertise on C#, ASP.NET MVC 5, SQL Server, Entity Framework, and React experience desirable to have HTML5, CSS3, JavaScript, jQuery. * Strong knowledge of Object-Oriented Programming, SOLID principles, and common design patterns. * Experienced in RESTful API design ...

vector databases (PG vector/croma DB) Hands-on Experience with GenAI Performance Evaluation tools like Pegasus, Ragas, DeepEval Create Conversational Interface with React JS or other Frontend components, Develop and deploy AI agents using LangGraph and ADK, A2A, MCP Strong programming skills in Python (experience with LangChain/LangGraph ...

Senior Full-Stack Web Application Developer Role: Senior Web Application Developer (Full-Stack) Specialism(s): eCommerce, ASP.NET MVC 5, C#, React, Migrations, Microsites, Cloud-Native, HTML5/CSS3/JavaScript, API, CI/CD, IoC Containers, Agile Type: Contract, Daily Rate Duration: 3+ Months Location: London Pay Rate … supporting the journey toward a fully cloud-ready environment. Role Requirements * Develop and maintain complex web solutions using ASP.NET MVC 5, C#, and React * Support migration activities, ensuring clean architecture, scalable design, and efficient implementation * Produce secure, maintainable, scalable, and fault-tolerant code following SOLID principles and OO design patterns ...

month contract based in London. It is hybrid and will require 2x days onsite per week. Key responsibilities Front end implementation for a React application Visualizing and interacting with scientific data and workflow progression Integration of AI/ML components with frontend, backend, data and compute infrastructure Responsible for high … across allied teams, to build an end-to-end pipeline consuming other data products Basic qualifications: Demonstrated experience with frontend software development (e.g. React) Demonstrated experience of Python development (e.g. using FastAPI) Bachelors degree in a relevant field (including computational, numerate or life sciences), or equivalent experience Cloud experience (e.g. ...

month contract based in London. It is hybrid and will require 2x days onsite per week. Key responsibilities Front end implementation for a React application Visualizing and interacting with scientific data and workflow progression Integration of AI/ML components with frontend, backend, data and compute infrastructure Responsible for high … across allied teams, to build an end-to-end pipeline consuming other data products Basic qualifications: Demonstrated experience with frontend software development (e.g. React) Demonstrated experience of Python development (e.g. using FastAPI) Bachelors degree in a relevant field (including computational, numerate or life sciences), or equivalent experience Cloud experience (e.g. ...

scalable CRM features across both frontend and backend systems. The ideal Full Stack Software Engineer candidate will have strong experience with TypeScript, Node.js, React, and cloud-based architectures, along with experience working in microservices environments, building APIs, and managing customer-centric data systems. This position is offered as a remote … Design, develop, and maintain CRM platform features across the full stack Build scalable backend services using Node.js and TypeScript Develop modern user interfaces using React and Next.js Design and maintain relational and document databases (PostgreSQL, MongoDB) Build secure and performant RESTful APIs Implement scalable backend services and microservices Optimise application ...

features across secure communications and decision support platforms Building and maintaining backend services using C# and related technologies Developing and enhancing user interfaces using React Contributing to security focused system design when working with highly sensitive data Taking ownership of work items, collaborating closely with engineers, product specialists and stakeholders … contributing to mentoring and technical discussions About You Strong commercial experience in backend development using C# and the .NET ecosystem Frontend development experience using React or a similar modern JavaScript framework Solid understanding of software engineering fundamentals and agile delivery practices Experience working in live production environments, ideally within regulated ...

into intuitive, high-performance analyst experiences. The Tech Ecosystem You will be working in a modern, distributed environment that prioritizes engineering excellence: Core Stack: React, Next.js, and TypeScript. Architecture: Micro-frontends (Capla/Vue) and Module Federation. Data: Integrating with Java/Spring Boot services via REST and GraphQL. Cloud … improvements. Who You Are The Professional: You have 4+ years of experience building production-grade web applications. The Specialist: Deeply proficient in TypeScript and React . A willingness to work within a Micro-frontend architecture is essential. The Collaborator: You enjoy working closely with Product, Design, and Compliance teams ...

into intuitive, high-performance analyst experiences. The Tech Ecosystem You will be working in a modern, distributed environment that prioritizes engineering excellence: Core Stack: React, Next.js, and TypeScript. Architecture: Micro-frontends (Capla/Vue) and Module Federation. Data: Integrating with Java/Spring Boot services via REST and GraphQL. Cloud … improvements. Who You Are The Professional: You have 4+ years of experience building production-grade web applications. The Specialist: Deeply proficient in TypeScript and React . A willingness to work within a Micro-frontend architecture is essential. The Collaborator: You enjoy working closely with Product, Design, and Compliance teams ...

Role Overview We are seeking a skilled Full-Stack Software Engineer with exclusive expertise in React for frontend development and Python for backend development. The role focuses on building scalable, secure, and high-performance web applications while working closely with product, design, and platform teams. Key Responsibilities Frontend (React) Design … develop responsive, modular, and accessible user interfaces using React Build reusable React components, shared libraries, and frontend design systems Manage complex client-side state and optimize frontend performance Integrate frontend applications with REST APIs Ensure high standards of UX, accessibility, and cross-browser compatibility Backend (Python) Design and implement scalable ...

frontend development across key products, working closely with compliance stakeholders to design and deliver intuitive, scalable solutions. Build and enhance modern web applications using React and TypeScript Work across a micro-frontend architecture Contribute to end-to-end feature development, from design through to deployment Collaborate with cross-functional teams … platform Challenge and improve existing processes and workflows Work with APIs (GraphQL & REST) to integrate backend services Skills & Experience: Essential: Strong frontend expertise with React & TypeScript Experience with GraphQL and REST APIs Background working in product-focused environments Experience in modern engineering practices (CI/CD, cloud environments, etc.) Ability ...

team, as well as the wider development department. Development of Office 365 tools including SharePoint Online (PowerApps, Power Automate and SPFX or ReactJS). Providing scripts for database enquiry languages, i.e., T-SQL (SQL Server) and PL/SQL (Oracle) to provide both analysis and exporting data etc. based … problem solving abilities Quality-orientated and self-motivated. Hands on development with Office 365 tools including SharePoint Online (PowerApps, Power Automate and SPFX or ReactJS) Hands on experience with CSS, JavaScript, jQuery and HTML5 Solid Rest API and Graph API knowledge Early morning or late night shift working (occasionally). ...

three, including migrating the application from, improving the Stripe integration, and implementing core tracking and SEO foundations, and more,. Tech Stack React, TypeScript, Next.js, Python (FastAPI), PostgreSQL, GCP (Cloud Run/SQL), Stripe, Firebase Auth, Terraform. Key Requirements Strong React/TypeScript and Next.js (SSR/SSG) Python/ ...

Robert Half Technology are assisting a market leading financial services organisation to recruit a React Developer on a contract basis. Hybrid working - London based Role The React developer will be working on the build of a product-grade React & Typescript application from greenfield through to a maintainable, globally scalable … secure product Greenfield build to production: build a production-grade React & TypeScript application from zero to a maintainable, scalable platform Data-dense UI delivery: Deliver high-quality UI for dashboards, tables/grids, filtering/sorting, drilldowns, forms, and multi-step workflows State & data patterns: implement robust client-state ...