26 to 50 of 55 Contract React Jobs

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 ...

Banking client is seeking to recruit a Senior Full Stack Developer (React & .NET Core) on an initial 6 month based in London. It is hybrid and will require 3x days onsite per week. About the Role We are seeking a highly experienced Senior Full Stack Developer with deep expertise … React JS on the front-end and C# .NET Core on the backend. The ideal candidate will have substantial hands-on experience developing scalable applications, strong exposure to cloud-native architectures, with experience in the financial sector. Experience with CI/CD , microservices , and event-driven architectures is essential ...

Banking client is seeking to recruit a Senior Full Stack Developer (React & .NET Core) on an initial 6 month based in London. It is hybrid and will require 3x days onsite per week. About the Role We are seeking a highly experienced Senior Full Stack Developer with deep expertise … React JS on the front-end and C# .NET Core on the backend. The ideal candidate will have substantial hands-on experience developing scalable applications, strong exposure to cloud-native architectures, with experience in the financial sector. Experience with CI/CD , microservices , and event-driven architectures is essential ...

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 ...

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. ...

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 ...

agreed deliverables Understand a variety of testing methods including the current/latest testing methods and tools Experience in testing JavaScript and React-based applications Experience in functional and integration testing of Salesforce applications Knowledge of software best practices like test-driven development (TDD), behavioural driven development (BDD), continuous integration ...

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 ...

test frameworks - (BDD, cucumber) is essential. You must also have experience of API testing with Rest Assured or Postman. Experience in testing JavaScript and React-based applications and also experience in functional and integration testing of Salesforce applications is required for this role. Knowledge of software best practices like test ...

cloud-native engineering and AI.This is an opportunity to work on a cutting-edge programme delivering scalable, AI-driven solutions across modern AWS infrastructure, React front ends, and advanced LLM/RAG workflows. London-based | 5 days onsite 12-month contract + likely extension £600-£800 per day (PAYE) Join … cloud-native engineering and AI.This is an opportunity to work on a cutting-edge programme delivering scalable, AI-driven solutions across modern AWS infrastructure, React front ends, and advanced LLM/RAG workflows.What you'll be doing Building and enhancing cloud-native applications using Java and/or Python Developing ...

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 ...

upcoming development work across booking systems, digital experience improvements, and AI-focused initiatives. Key Responsibilities: • Develop and maintain modern front-end applications using React and TypeScript • Build reusable UI components within an established component library • Work closely with UX/design teams to deliver responsive and accessible user experiences • Contribute … mobile platforms • Support testing, code quality, and front-end best practices • Mentor and support a junior Front End Developer Key Skills Required: • React + TypeScript • Redux • JavaScript • HTML & CSS • Component-based development Desirable: • Jest or automated front-end testing experience • Azure DevOps exposure • React Native experience If you are interested ...

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 ...

Full Stack Engineer (C#/.NET & React) - Investment Banking London (Hybrid) | 6-Month Contract | Investment Bank We are working with a leading global investment bank to hire a hands-on Full Stack Engineer to help build a brand-new, high-impact web application from the ground up. This … Manage data access using EF Core, Dapper, or similar Implement secure authentication (e.g. Azure AD, JWT ) Front-End Development Build modern, responsive UIs using React (18+) and TypeScript Integrate components into existing web applications (Angular or similar) Apply best practices for performance, accessibility (WCAG 2.1 AA), and UX Contribute ...

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 ...

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 ...

across both SharePoint Online and On-Prem environments. The ideal candidate will have approximately 8 years of relevant experience and a solid background in React and modern front-end technologies. Role Summary The successful candidate will be responsible for designing, developing, customising, and maintaining SharePoint solutions that enhance collaboration, document … Responsibilities Build and maintain SharePoint sites, applications, lists, libraries, and web parts. Customise SharePoint Online and SharePoint Server using SPFx, JavaScript/TypeScript, React, HTML, and CSS. Develop workflows, forms, and automation using Power Automate, Power Apps, and SharePoint Designer. Integrate SharePoint with third-party and enterprise systems. Troubleshoot SharePoint ...

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 ...

Title: Full Stack Engineer (Node.js/React/AI) Location: Remote (UK) Salary: Competitive, dependent on experience (Outside IR35) Why Apply? This opportunity supports a global asset and wealth management organisation operating across 50+ countries with over 12,000 employees. Following the successful development of an AI proof of concept … user-focused product. Contribute to architectural decisions, ensuring best practices across engineering and deployment. Full Stack Engineer Requirements Strong commercial experience with Node.js and React in full stack development roles. Proven experience working on AI-driven applications, particularly involving LLMs or data-driven products. Hands-on experience with both ...

company’s technology direction and proactively identify opportunities that support business priorities. Responsibilities Collaborate with investment team and taking ownership of current inhouse applications (React front end) as well as infrastructure that sits behind it (Dagster, Azure, SQL, third party APIs) Build new platforms from scratch to speed up processes … best practice and communicating clearly with non-technical stakeholders Experience with Azure, SQL, Dagster, Airflow or similar tools acceptable Experience with Python scripting, React-based applications, FactSet and third-party web APIs Desirable: Understanding of financial data experience with VBA scripting and related tools About Us FDM is an award ...

Outside IR35 Contract Software Engineer (React & AWS) Leading Media Organisation Digital Platform (UI & UX Led) Location: Hybrid (London or Manchester) Day Rate: Competitive Contract Length: 6 Months + Overview We are working with a leading UK media organisation to engage an experienced Contract Software Engineer to support the development … Actively participate in user research, contributing engineering insight to inform product and design decisions. * Design and build modern, scalable full stack web experiences using React, Node, and TypeScript. * Develop and support backend-for-frontend (BFF) services and APIs using AWS (Lambda, API Gateway, SNS/SQS, DynamoDB, S3). * Contribute ...