26 to 50 of 62 Contract React Jobs

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 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 ...

years core development) Experience with low-latency/high-performance systems Kubernetes/OpenShift Cassandra and Oracle Hazelcast Nice to Have: Frontend experience with React and TypeScript Additional Info Candidates should be comfortable working in a fast-paced banking environment Strong business understanding is key, particularly around compliance and trading ...

someone who enjoys solving complex technical challenges in a secure, mission driven setting. Key Focus of the Role Building quality, scalable applications using JavaScript , React , and Node.js Designing and deploying cloud native solutions on AWS , leveraging best-practice architectures Implementing and maintaining Infrastructure as Code using Terraform Contributing to secure ...

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 ...

maintaining high-performance, secure, and scalable CRM features across both frontend and backend systems. The ideal 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 … 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 ...

Reduction System Integration Experience Required: Minimum 7 years' experience: Protocols: OAuth2, OIDC, SAML, and JWT (JSON Web Tokens). Development: JavaScript/Node.js/React, React, Angular or Vue. Identity Concepts: RBAC, ABAC and FGA. APIs: RESTful API design and M2M. Why work through Contechs? Contechs is a leading Automotive ...

solving complex integration challenges and maintaining high architectural standards. The Technical Landscape You will be working primarily with an Azure Back End and React Front End ecosystem. While experience with the specific needs of Product Information Management (PIM) systems is a significant plus, we prioritise deep technical proficiency ...

easier to consume for the end users. Understand usability for service capability and automation scope. Change user exp, visualization. Skills mainly include Java technologies, Reactjs with flavor of UX and UI both. ...

from other locations The Role A Front-End Developer (Senior) is expected to have a deep understanding of front-end technologies such as React JS, HTML, CSS, and JavaScript. They should also have experience collaborating with designers and back-end developers and be able to optimize applications for performance … responsiveness. Your Responsibilities Responsible for the front-end build quality of responsive web sites/mobile apps using React native, HTML, CSS and JavaScript under frameworks like React.js aligning with software development standards. Good understanding of DevOps concept and Azure ADB2C. App deployment experience in iOS and Playstore. Understanding ...

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 ...

delivering modern, responsive user interfaces, working closely with cross-functional teams and end users. Key Responsibilities Develop modern, responsive front end applications using React and TypeScript Build real-time, data-driven features (e.g. WebSockets/SignalR) Collaborate with engineers, architects, and users to define and deliver requirements Contribute to scalable … solutions Support containerised environments as part of the wider platform Produce clear documentation and prototypes Key Skills Strong JavaScript and front end development experience React (or similar frameworks such as Vue or Angular) Experience building responsive, user-focused interfaces Real-time data handling (e.g. WebSockets) Strong stakeholder engagement and collaboration ...

Build and configure applications using ArcGIS Enterprise components such as ArcGIS Portal, ArcGIS Server, and Data Store. Develop custom tools and widgets using JavaScript, React JS, ArcGIS Experience Builder, and related frameworks. Support GIS data integration, migration, and transformation using tools like FME. Implement server side components and web services … using ESRI technology. Designing of GIS components. Server-side programming in ESRI Experience in ArcGIS Experience builder app with COTS and custom tool through React JS. ArcGIS Portal and ArcGIS Server Proficiency in .Net or Java. Working knowledge of Spatial Indexing. Knowledge and experience with Web Services, Open standards ...

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. ...

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 ...

such as Python, SQL, and JavaScript for automation, data processing, and application development. Build custom and COTS-based solutions in ArcGIS Experience Builder using React JS. Spatial Analysis & Visualization Conduct geospatial analysis, cartographic design, and data visualization to support decision-making. Perform web map creation, service publishing, ArcGIS Portal content … Portal for ArcGIS content creation, administration, and deployment. Programming & Development Proficiency in .NET or Java, along with Python, SQL, and JavaScript. Experience with React JS for custom widget/tool development in Experience Builder. Knowledge of web services, open standards, and geospatial formats (XML, GML, KML). Database & Cloud Skills ...

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). ...

support business and technical requirements Design, develop and maintain back-end services using Python Develop front-end solutions using modern JavaScript frameworks such as React Write and optimise SQL queries and data interactions Use Git for version control and collaborative development Ensure solutions meet security, performance, and quality standards Collaborate … Public Sector environment Required Skills & Experience Strong commercial experience as a Full Stack Developer Hands-on Python development experience Front-end development experience using React or similar frameworks Solid SQL knowledge for data access and manipulation Strong experience using Git-based version control Experience delivering solutions within secure or Public ...

focus on Golang (preferred) or Python . You'll also collaborate with Front End teams, contributing to web-facing components using technologies such as React or Node.js . Key Responsibilities Design, develop, and maintain robust APIs Ensure seamless integration across internal and external systems Collaborate with cross-functional teams including … Golang (preferred) or Python Proven track record in API development (design, build, integration) Understanding of modern software engineering practices Nice to Have Experience with React or Node.js Working knowledge of Python (if not primary language) Exposure to Rust Highly Desirable Experience with Identity and Access Management (IAM) Familiarity with Google ...

scalable, production-ready applications Develop and maintain backend services and APIs in Python Contribute to frontend development , building responsive and intuitive user interfaces in React Design and implement data workflows and system integrations Work with cloud infrastructure and distributed systems Collaborate with engineering and product teams on architecture, design decisions … applications Experience developing backend services and APIs In Python Exposure to AI or machine learning integrations Experience with JavaScript-based frontend frameworks or libraries (React Prefferred) Solid understanding of web architecture, system design, and scalable applications Experience working with databases and data systems Familiarity with cloud environments and modern development ...

Full Stack Developer (React/Java)Location: Central LondonContract Length: 12 months IT product team is looking to hire a lead developer with over 10 years experience delivering enterprise level front office e-trading applications. A proven track record delivering low latency, performance, highly intuitive software for front office trading … Worked on low latency software for traders and sales people* Mix of risk platforms as well as sales platforms etc* Languages - JavaScript/typescript * React essential + redux would be desirable* Backend Java ...

Senior Full Stack Engineer | React/Node | Forward Deployed | AI/Agentic - 900 pd - Outside ir35 We re working with leading proptech firm to hire senior/staff-level full stack role, focused on building high-quality, client-facing applications in a modern TypeScript environment. This is not a traditional … Forward Deployed Engineer, working directly with clients to shape requirements and deliver solutions end-to-end. What you'll be doing Building React + TypeScript applications with Node backends Working directly with clients to understand workflows and prototype solutions Owning delivery end-to-end (problem solution production) Designing high-quality ...

Overview We're looking for a React UI Developer to build modern, responsive, and high-quality user interfaces using React and contemporary frontend technologies. You'll work closely with designers and backend engineers to deliver intuitive, performant web applications. Key Responsibilities Build and maintain UI components using React Translate designs … Integrate with APIs and backend services Optimise UI performance and quality Contribute to code reviews and frontend best practices Required Skills Strong experience with React JavaScript (ES6+)/TypeScript HTML5, CSS3, responsive design State management (Redux, Context, etc.) REST APIs, Git, basic testing (Jest/Cypress) Nice to Have Next.js ...

than formalised, identifying upskilling needs and supporting teammates as opportunities arise. What we're looking for Essential: Strong full stack engineering capability across TypeScript, React, Node and AWS A genuine ownership mindset around automated testing and engineering-led quality Beneficial: React Native experience (mobile is in scope) Familiarity with Next.js ...