23 of 23 React Jobs in the City of London

seeking a highly skilled Specialist with 5 to 7 years of hands-on experience in Core Java, React, and cloud-native architecture to join our client's Investment Banking engineering team. In this role, you will design, build, and maintain high-throughput, low-latency applications tailored for risk management systems. ...

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 ...

code quality. Required Skills & Qualifications: Experience with programming languages such as TypeScript, JavaScript, and Python. Interest in modern web development and frameworks such as React and Next.js. Understanding of backend development concepts with frameworks like Node.js, Python (Fast API, Flask, or similar). Basic knowledge of RESTful APIs and system ...

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 ...

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 ...

.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 ...

months, with possible scope to extend. They are ideally looking for someone available to start ASAP. Requirements: Strong commercial TypeScript across the full stack React and Next.js on the frontend Node.js and REST APIs on the backend PostgreSQL, Docker and AWS Experience with WebXR, Meta Quest or PWAs is preferred ...

coding hygiene and system architecture Required qualifications, capabilities, and skills Formal training or certification on software engineering concepts and advanced applied experience Proficiency in React, JavaScript/TypeScript, including automated unit/integration testing Respect for clean coding and best practices Hands-on practical experience in system design, application development ...

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 ...

/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 ...

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 ...

experienced Senior Frontend Developer to join their team in London on a hybrid basis. The Senior Frontend Developer will bring expertise in React and Next.js and will have a passion for building scalable user interfaces. We are looking for a hands on developer who will contribute towards/own frontend … architecture designs and quality code standards. You will design, develop and maintain high quality frontend features using React and Next.js. React/Next.js/JavaScript/TypeScript/App Router/Server/Rendering/Turbopack/Architecture Experience: Strong professional experience building applications with React and Next.js (ideally React ...

Infrastructure as Code, CI/CD Use of Middleware and RESTful or GraphQL APIs Microservices and MACH Architectures. HTML, CSS, Javascript frameworks such as React, or Mobile technologies such as SwiftUI, Kotlin, Flutter or React‐native CMS, DXPs and common MarTech SaaS products integration Atlassian, Azure DevOps, GitLab or similar ...

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 ...

Senior Full Stack Lead Engineer ReactJS, TypeScript, JavaScript, C#/.NET Banking London This is a new and exclusive opportunity for a Senior Full Stack Lead Engineer/software developer with expertise across ReactJS, TypeScript, JavaScript, C#/.NET to join this investment Banking client as they expand their full … stack software developer team in London city. Role details Title: Senior Full Stack Lead Engineer Technical stack: ReactJS, TypeScript, JavaScript, C#/.NET Employer: investment Banking Location: London City and home working hybrid 50/50% Permanent role, salary £90,000- £130,000 plus bonus This is a new opportunity ...

Agent. We are nimble, innovative and move quickly, using the latest technologies available to us within the group. Our tech stack includes Python and React/Next.js, makes extensive use of LLMs via API, and is deployed on OSS2 Kubernetes within Marsh Tech. Being forward-deployed means we build … role. Your role is to lead on the engineering development and maintenance of the AI technology we build, spanning the backend (Python), front-end (React and Next.js) and deployment (OSS2/Kubernetes). You will also get into the AI Agent plumbing and agent resilience. AI Agent quality and trust ...

/KYB across corporate, fund, intermediaries and sub-accounts. You will be part of a team building a single page application that runs on React 18, TypeScript (strict), TanStack Query/Form/Router, Tailwind + a Radix/shadcn component system, Vitest + RTL + MSW. You make … sounds the alarm if we are attempting to build the wrong things. Key Responsibilities Design and build new features in a form-heavy, React single page application Thoroughly test everything you build to prove your software works Make architectural calls on your domain, record down, present and defend them ...

Title: Full-Stack Developer (Java & React) Location: London, UK (Hybrid - 3 Days Office/2 Days Remote) Employment Type: Permanent/Full-Time About the Role: We are seeking an experienced Full-Stack Engineer (5-7 years) to join a leading global financial institution in London. You will design, build … maintain high-performance, cloud-native applications supporting critical financial operations. Key Responsibilities: Design and deliver end-to-end applications using Java (Spring Boot) and React . Build scalable backend microservices, REST APIs, and gRPC services. Utilize Kafka for real-time event streaming and data processing. Deploy and maintain applications ...

html Integration of Fragments ...these fragments share overlapping content related to the required experience in languages and frameworks including JavaScript, React, TypeScript, Python, and GoLang. This overlap allows us to piece them together in the correct order. After combining the overlapping parts, we get: "Be a part of London … opportunity... In terms of the tech itself, the team is looking for an engineer who has experience in the following languages and frameworks: JavaScript, React, TypeScript, Python, and GoLang. In addition, they'll also be looking for those with hands-on use in Neo4j, GraphQL, AWS, and Kubernetes. Demonstrating..." ``` #J ...

Payments in London is seeking a Senior Frontend Engineer to join the Technology team. You will own the design and implementation of a React-based SPA that orchestrates complex forms and onboarding flows for clients and sub-accounts. We expect strong React/TypeScript experience, deep form engineering ...

Engineering Manager (Frontend) – Scaling Series B FinTech Up to £125,000 Hybrid working - once a week onsite in London React.js & TypeScript We're partnered with a scaling Series B FinTech based in London who are now looking for an Engineering Manager to join their growing team. The business is rapidly … including Lead Engineers Support performance management and career development planning Foster a collaborative, high-performing engineering culture Define and maintain frontend architecture standards using React and TypeScript Establish best practices for component design, state management, routing and data-fetching Contribute directly to the codebase (approximately 30% of the role) Support ...

seeking a Senior Frontend Engineer to join the Technology department in London. You will own front-end components and complex forms in a React 18/TypeScript environment, focusing on onboarding clients and accounts with KYC/KYB workflows. You will design, implement, and own features end-to-end, ensuring ...