20 of 20 Contract React Jobs in London

Application Development & Integration Full-stack software engineering expertise across Java, Python, .NET, JavaScript/TypeScript, Node.js, React, Angular, and modern web technologies. Deep experience in API development, Microservices, Event-Driven Architectures, Enterprise Integration, and Distributed Systems design. Cloud, Platform Engineering & Infrastructure Expertise in Azure, AWS, and GCP with strong knowledge ...

JavaScript frameworks, contributing to development, integration, deployment and production support. Key Skills: * Strong Python and Flask development * REST API and microservices development * JavaScript with React.js or Angular * MongoDB and NoSQL database design * Linux/Unix and Bash scripting * Git, Bitbucket and Jenkins * CI/CD and DevOps practices * Agile/ ...

SOLID principles and software design patterns Desirable Experience Healthcare or NHS environments Azure Health Data Services FHIR Infrastructure as Code Bicep, Terraform Angular or React Dynamics 365 F&O exposure Enterprise integration platforms and event-driven architectures What's Required? This role would suit a specialist Dynamics developer who enjoys ...

Days Onsite London. We are looking for an experienced Full Stack Developer with strong expertise in Python and React.js to design, develop, and maintain scalable web applications. The ideal candidate should have hands-on experience building microservices, REST APIs, cloud-native applications, and modern frontend solutions. Key Responsibilities Design, develop … Python Experience with FastAPI , Flask , or Django REST API and Microservices development Object-Oriented Programming (OOP) SQL and database design Frontend Strong knowledge of React.js JavaScript (ES6+), TypeScript HTML5, CSS3 Redux, React Hooks Responsive UI development Databases PostgreSQL, MySQL, SQL Server MongoDB (preferred) Cloud & DevOps AWS, Azure, or GCP Docker ...

Application Development & Integration Full-stack software engineering expertise across Java, Python, .NET, JavaScript/TypeScript, Node.js, React, Angular, and modern web technologies. Deep experience in API development, Microservices, Event-Driven Architectures, Enterprise Integration, and Distributed Systems design. . click apply for full job details ...

Technologies AWS SageMaker Python scripting and automation Container orchestration platforms Infrastructure security and hardening Cloud networking and connectivity Application Support Knowledge C# .NET JavaScript React REST APIs Microservices architecture COTS Product Experience Supporting Commercial Off-The-Shelf products within secure environments Troubleshooting intelligence, analytical or partner-provided systems Exposure ...

best practices, and experience working within Agile delivery teams. Key Responsibilities Design, develop and maintain scalable enterprise applications. Build modern Front-End applications using React (preferred) or Angular. Develop secure and performant backend services using Java and Spring Boot. Design and build RESTful APIs and Microservices. Collaborate with Product Owners … teams and contribute to sprint ceremonies. Required Skills & Experience Essential Skills Extensive Java development experience (Java 17+) Strong Spring Boot and Microservices experience Strong React experience (Angular also considered) REST API development Cloud platforms (AWS/Azure/GCP) Docker and Kubernetes CI/CD pipelines Agile development practices Strong ...

Agile environment. Key Responsibilities Design, develop, and maintain scalable backend services using Java and/or C# . Build modern, responsive user interfaces using ReactJS . Develop and support RESTful APIs and microservices . Design, optimize, and maintain database solutions using Oracle and Couchbase . Implement and support event-driven … Required Skills & Experience Strong commercial experience with Java and/or C# (experience in both is highly desirable). Strong frontend development experience with ReactJS . Proven experience building and supporting REST APIs and microservices . Experience working with relational and NoSQL databases, particularly Oracle and Couchbase . Experience with ...

leadership across the development lifecycle while supporting the delivery, enhancement and operation of platform services. Key Responsibilities - Develop and maintain applications using C#, .NET, React, Vue.js and REST APIs. - Design and build microservice-based solutions in cloud environments. - Lead delivery of complex development work packages and software changes. - Conduct code … application and platform issues. - Support service improvement, operational resilience and incident resolution activities. Essential Skills - C#, .NET and Entity Framework - REST APIs and Microservices - React and JavaScript (Vue.js desirable) - AWS cloud services - Docker and CI/CD pipelines - Jenkins, GitLab or equivalent DevOps tooling - PostgreSQL - SOLID principles and secure coding ...

Senior Full Stack Developer (Kotlin, React) - Banking - London Daily rate: £500 - £700 (inside IR35) Duration: 6 - 12 months Hybrid: 3 days per week in office Start: ASAP We're looking for a hands-on engineer who thrives in a collaborative XP environment and enjoys working across the full stack. … learnings with the team Your skills and experience Kotlin development, or experience in Java/Scala and a desire to cross train TypeScript and ReactJS with experience using a JVM language on the server side (10+ years of professional software development) Strong grounding in Object-Oriented and/or Functional ...

prototype through final development, testing and into production. The platform modernises an existing ASP.NET/on-premises SQL application and is now built using React, Node.js, TypeScript, Azure SQL and Azure Web Apps, within a Microsoft 365 environment. A strong prototype has already been developed, providing the baseline … turning this into a robust, scalable and production-ready application. Key Responsibilities: Take the existing prototype through development, testing and production. Work across React, Node.js, TypeScript and Azure SQL. Improve the data model and database architecture, addressing current limitations and manual processes. Develop a more effective and maintainable front end. ...

term role offers an excellent opportunity to contribute to the efficiency and reliability of web applications within a fast-paced environment. Experience Needed: Proven React, ASP.NET experience is essential Oracle/SQL expertise is required Proven experience in web application support, ideally within the financial or corporate settings. Strong understanding ...

doing: Develop and integrate APIs to support modern application experiences Build and automate workflows using Azure Logic Apps Create clean front-end features using React, Angular or Vue.js Deliver back-end services using .NET, Node.js, or Python Work with JSON and JavaScript to build and consume data-driven interfaces Script … bring: Proven experience in API development and building integration layers Strong Azure capability, including Azure Logic Apps Front-end development experience with React/Angular/Vue.js Back-end development experience with .NET, Node.js or Python Working knowledge of C# and JavaScript, with confidence using JSON Ability to develop with ...

these organisations work for years. What the Work Looks Like Building and maintaining features top to bottom: Python back end services and APIs, React and TypeScript on the front. Getting software into secure, air-gapped and sensitive environments, which means on-site deployment, integration and troubleshooting. Owning features properly. Scope … back end services, APIs and tooling. FastAPI, Django, Flask, whichever you have used in anger. TypeScript. Serious commercial experience on modern front ends with React, Vue or Angular. Linux. Properly comfortable without a GUI: shell, networking, processes, permissions, systemd, packages, and working out why a host is misbehaving. Full stack ...

these organisations work for years. What the Work Looks Like Building and maintaining features top to bottom: Python back end services and APIs, React and TypeScript on the front. Getting software into secure, air-gapped and sensitive environments, which means on-site deployment, integration and troubleshooting. Owning features properly. Scope … back end services, APIs and tooling. FastAPI, Django, Flask, whichever you have used in anger. TypeScript. Serious commercial experience on modern front ends with React, Vue or Angular. Linux. Properly comfortable without a GUI: shell, networking, processes, permissions, systemd, packages, and working out why a host is misbehaving. Full stack ...

majority of your time in code and in the AWS console: building contact flows and AI agents, writing Lambda functions and CDK stacks, developing React-based agent and admin tooling, and debugging production issues on systems that serve tens of thousands of agents and millions of customer interactions. You work … plus LLM-based development (Amazon Bedrock, Q in Connect, or equivalent), including prompt engineering and tool calling Strong TypeScript/Node.js and Python; production React experience; solid AWS serverless engineering (Lambda, EventBridge, API Gateway, DynamoDB, Step Functions, Kinesis) Infrastructure as code proficiency with AWS CDK or Terraform, including multi-account ...

PROVIDED Role : Python Developer Location: London, UK (5 Days/Week Onsite) Type: Contract Inside IR35 Exp: 5 to 10 Years A Python + React + SQL + Databricks developer role blends backend data engineering with frontend application development, requiring strong coding skills in Python, React.js, SQL, and Databricks … Management Write and optimize complex SQL queries. Manage relational databases and integrate with Databricks. Perform data cleansing, transformation, and aggregation for analytics. Frontend Development (React) Design and build responsive, interactive UIs using React.js. Integrate frontend components with backend APIs and Databricks datasets. Use visualization libraries (D3.js, Plotly, Recharts) for dashboards. ...

engineer with strong Python development experience, Bloomberg expertise, and a solid understanding of investment data and financial markets. Key Skills Python Bloomberg JavaScript React Responsibilities Develop, enhance, and maintain investment applications supporting portfolio management and risk functions. Deliver system updates and enhancements across Bloomberg environments. Support and maintain investment data … modern web technologies. Develop APIs and backend services using frameworks such as FastAPI, Flask, or Django. Create and support front-end applications using React and JavaScript. Monitor application performance, troubleshoot issues, and ensure platform stability. Perform data analysis, validation, and reconciliation across investment datasets. Support the management of financial market ...

troubleshoot performance, networking, configuration and integration issues Frontend/Web Architecture Strong understanding of modern web and headless commerce architectures Working knowledge of React and Next.js Ability to troubleshoot issues across complete customer journeys Retail & eCommerce Experience - Essential You'll need significant experience delivering or supporting high-volume B2C retail … debugging Release and rollback strategies Automated operational runbooks Vulnerability remediation Shift-left engineering and continuous improvement Technology Environment The platform incorporates technologies including: commercetools | React/Next.js | TypeScript/Node.js | Azure Functions | Azure App Services | Cosmos DB | Contentful | Algolia | Talon.One | Adyen | Cloudflare | GitHub CI/CD | Infrastructure as Code | OpenTelemetry ...

Front End Developer - React, RxJS, Typescript, Websockets, EDA Working with a global financial services organisation who are looking for a Front-End Developer with expertise in React, RxJS, Typescript, Websockets and Event Driven Development (EDA) t o join a small, collaborative team responsible for building a modern trading application … Rate - £700-£800/day Inside IR35 via Umbrella Skills and Experience Required Frontend: Proven experience as a Front-End Developer with expertise in React, RxJS, Typescript, Websockets and Event Driven Development (EDA) Real-Time: Experience with Real-time Data. Stakeholder Management: Interface with project stakeholders to gather requirements ...