1 to 25 of 47 React Jobs in the City of London

Computer Science, Data Science, or a related field (Ph.D. preferred) with Proven experience of 7+ years in developing IT solutions Proficient in Python & ReactJS and related technologies is required. Experience with GenAI application development including vector stores, RAG solutions, context engineering, prompt engineering, observability is essential Experience with Agentic ...

Computer Science, Data Science, or a related field (Ph.D. preferred) with Proven experience of 7+ years in developing IT solutions Proficient in Python & ReactJS and related technologies is required. Experience with GenAI application development including vector stores, RAG solutions, context engineering, prompt engineering, observability is essential Experience with Agentic ...

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 ...

Basic Qualifications Minimum 7 years of relevant professional experience using a modern UI programming language (Javascript/TypeScript) Experience building modern UI products using React Proven ability to lead engineering teams and deliver complex products with multiple stakeholders Experience architecting, designing full stack apps in AWS Prior experience with working ...

software from scratch and iterate quickly You have strong technical skills, primarily with Python You have experience with RESTful APIs (they use FastAPI); TypeScript, React and other web technologies such as HTML5, CSS3 would be of benefit You have experience with LLMs and agentic AI, like to get your hands ...

TeamCity. Concepts: Multithreading, async programming, SQL/NoSQL, automated testing. Nice-to-Haves Fixed Income or electronic trading domain knowledge. Exposure to JavaScript frameworks (React/Angular) or broader AWS services. Apply Now: Submit your CV for immediate consideration. Randstad Technologies Ltd is a leading specialist recruitment business ...

Tools: AWS (EC2) , Docker, Git/TeamCity, SQL/NoSQL. Nice-to-Haves Fixed Income or electronic trading domain knowledge. Exposure to JavaScript frameworks (React/Angular) or wider AWS services. Apply Now: Submit your CV for immediate consideration. Fast 2-stage interview process! Randstad Technologies Ltd is a leading ...

stack, with strong backend or cloud experience the priority. Backend: Python, Java, C++, C# or Rust Cloud: AWS, Azure or Kubernetes Frontend: TypeScript or React (nice to have) Who They're Looking For They want genuine problem solvers who enjoy working closely with customers and colleagues. As part ...

Hybrid and requires onsite attendance in Central London 23 days per week. Technical Skills C#, ASP.NET Core, Entity Framework Python, FastAPI JavaScript, TypeScript React or Angular REST APIs, Swagger/OpenAPI SQL Server, PostgreSQL, NoSQL and vector databases Azure App Services, Azure Functions, API Management Docker, Kubernetes (AKS) Azure DevOps … Design, develop, and maintain scalable full stack applications across cloud and web technologies Build responsive front-end applications using modern JavaScript frameworks such as React or Angular Develop secure and scalable back-end services, APIs, and integrations using .NET, Python, and Azure services Design and implement AI-powered solutions including ...

modern SaaS, MarTech, or data-driven environment. Strong proficiency in Java (Spring Framework) is essential for success in this role. Frontend experience with React and TypeScript (or similar modern frameworks) is highly desirable. Demonstrated ability to mentor engineers and build high-performing, collaborative teams. Experience leading in an agile, cloud ...

.NET host), comfortable with WebSocket bridges, local service APIs, or IPC mechanisms to connect web UIs with native desktop applications. Sufficient front‐end literacy (React, TypeScript, Node) to make architectural decisions, review code, and collaborate effectively with dedicated front‐end teams. Demonstrated ability to leverage coding agents in spec‐driven ...

custom .NET host); comfortable with WebSocket bridges, local service APIs, or IPC mechanisms to connect web UIs with native desktop applications.Sufficient front-end literacy (React, TypeScript, Node) to make architectural decisions, review code, and collaborate effectively with dedicated front-end teams.Demonstrated ability to leverage coding agents in spec-driven development ...

from 0-to-1. Full-stack software engineering with strong backend expertise. Product ownership, architecture, and independent decision-making. Modern technologies including TypeScript, Node.js, React, PostgreSQL, AWS, and API-first architectures. LLM evaluation, token optimisation, cost management, monitoring, and deployment best practices. THE BENEFITS: You will receive a salary ...

technical initiatives and mentoring engineers, with the ability to influence and provide direction without relying on formal authority. Experience with frontend technologies such as React JS is desirable. Knowledge of cloud platforms, with AWS preferred. Familiarity with SQL and NoSQL databases. Solid understanding of computer science fundamentals, including data structures ...

application and integration layer for a new generation of AI-powered products. The role spans backend, API design, MCP integration and frontend development with React and TypeScript. You will design scalable REST/GraphQL APIs, implement agent-to-agent connectivity, and build production-grade frontend apps while collaborating with ...

organization. You will design, implement, and scale solutions, mentor junior developers, collaborate with architects, and help define standards for reusable components using Python, ReactJS, Java Spring, REST APIs, and AWS. The role emphasizes performance, observability, and cutting-edge AI techniques, with a hybrid work model and opportunities to influence #J ...

features end-to-end, collaborate with product and customers, and apply AI/code tooling to accelerate delivery. Familiarity with AWS services and React is preferred. #J-18808-Ljbffr ...

architects, and engineers to implement microservices, APIs, and cloud-based solutions in a fast-paced, security-minded environment. The role requires strong TypeScript/React frontend skills, solid C# back-end experience with SOLID principles, and a good grasp of RESTful APIs, CI/CD, #J-18808-Ljbffr ...

/week in office Duration - Initially 6 months Rate - £550-£650/day Inside IR35 via Umbrella Skills and Experience Required TypeScript, Next.js or React AWS and Terraform Experience providing feedback to engineering teams via code review Exposure to a wide range of languages, frameworks, and cloud technologies Core Competencies ...

APIs and ensure seamless data flow between frontend and backend systems. Build intuitive, performant, and responsive user interfaces using modern frontend frameworks such as React or comparable web component frameworks. Work closely with UX/UI designers to translate designs into functional applications. Ensure code quality, maintainability, and scalability through ...

future architecture of a rapidly scaling platform. What We're Looking For MUST FRONT END FOCUS WITH UI/UX Strong commercial experience with React, Next.js, TypeScript, HTML & CSS Proven ability to build high-quality, responsive user interfaces Experience translating Figma designs into production-ready code Strong understanding of frontend ...

engaging, energetic and commercially aware personality The ability and desire to operate in a very fast-moving startup with significant ownership Strong TypeScript/React and Python experience would be particularly relevant, as would experience deploying AI or LLM-powered products into production. We’ll also consider exceptional engineers from ...

Group Overview The TP ICAP Group is a world‐leading provider of market infrastructure. Our purpose is to provide clients with access to global financial and commodities markets, improving price discovery, liquidity, and distribution of ...

play a key role in building MCP integrations, agent-to-agent connectivity and robust API services, while also developing responsive, accessible interfaces in React and TypeScript. What you'll be doing Own the application and integration layer of AI products end to end, covering APIs, integrations, service boundaries and frontend … APIs using REST and/or GraphQL, including authentication, authorisation, versioning and streaming interfaces such as SSE or WebSockets. Build production frontend applications using React, TypeScript and JavaScript. Work closely with UX and product teams to turn designs into accessible, responsive and intuitive interfaces. Develop AI-specific user experiences including ...

solve across a dual-stack C# and TypeScript backend, being intentional about choosing the right tool for the job. Implement microfrontend web applications in React and TypeScript, with an eye for component design and the UX implications of what you build. Take end-to-end ownership of features from early … Technology Stack We believe in using the right tool for the job. Our current stack includes: Backend: TypeScript, Node.js, C#, .NET Frontend: TypeScript, React Cloud & Infrastructure: AWS (ECS, Lambda, SQS, DocumentDB, DynamoDB), Terraform, SST (Infrastructure as Code) Architecture: Microservices, Microfrontends, Event-driven architecture What You Need to Be Successful ...