1 to 25 of 277 Permanent React Jobs in London

Lead React Developer (Software Engineer Programmer Developer React ReactJS React.JS TypeScript Redux Saga Ag-Grid AgGrid Python Fixed Income Equities Derivatives JavaScript Node Credit Rates Bonds Agile AWS GCP Azure Buy Side Asset Manager Investment Management PostgreSQL Node Finance Front Office Trading Financial Services) required by our asset management client … London. You MUST have the following: Good experience as a Senior/Lead React Developer/Software Engineer/Programmer Demonstrable leadership experience such as carrying out projects, delegating work, reporting to senior management, architecture and mentoring more junior team members Expert TypeScript, JavaScript, React and Node Advanced Ag-Grid ...

REMOTE Lead React Developer (Software Engineer Programmer Developer React ReactJS React.JS TypeScript Redux Saga Ag-Grid AgGrid Python Fixed Income Equities Derivatives JavaScript Node Credit Rates Bonds Agile AWS GCP Azure Buy Side Asset Manager Investment Management PostgreSQL Node Finance Front Office Trading Financial Services) required by our asset management … client in London. You MUST have the following: Good experience as a Senior/Lead React Developer/Software Engineer/Programmer Demonstrable leadership experience such as carrying out projects, delegating work, reporting to senior management, architecture and mentoring more junior team members Expert TypeScript, JavaScript, React and Node Advanced ...

leaders. Hard Skills Required Software Engineering: Strong in at least one modern language (JavaScript/TypeScript, Java, Python) Web & Product Development: Frameworks (React, Node.js, Django/Flask) AI, GenAI and LLMs: OpenAI, Gemini, Grok, Llama Agentic AI: Frameworks (langchain, langgraph, Google ADK) AI enabled code tooling: Cursor, Windsurf, GitHub copilot ...

Relevant industry certifications or a degree in Computer Science or a related discipline - desirable Key Technologies NestJS (Node.js) TypeScript TypeORM Azure SDK Git Next.js React TanStack MUI Benefits Circa £70k basic salary Discretionary bonus scheme Workplace pension (relief at source), matched up to 5% 30 days' holiday per annum including ...

several of the following areas: Strong background in software development using C#/.NET for back-end systems. Front-end development experience with React, TypeScript, and modern web technologies, such as NextJs and/or Vite, component libraries such as Material UI, SemanticUI or other theme-led design systems ...

About The Role Job Level: 10 UK Wide - We work in a hybrid-first way. This role includes regular travel to the London or Leeds offices (on average once per week), and were happy to ...

Develop GenAI applications using frameworks like LangChain, LangGraph, CrewAI . Build microservices with Python (FastAPI) or TypeScript (Express) . Create front-end solutions using React, TypeScript , and modern frameworks like Next.js . Integrate LLMs (OpenAI, Anthropic, Mistral) and vector databases (ChromaDB, Pinecone). Deploy solutions on AWS/Azure using ...

Relevant industry certifications or a degree in Computer Science or a related discipline - desirable Key Technologies NestJS (Node.js) TypeScript TypeORM Azure SDK Git Next.js React TanStack MUI Benefits Circa £100k basic salary Discretionary bonus scheme Workplace pension (relief at source), matched up to 5% 30 days' holiday per annum including ...

solving & communication skills Adaptability/willingness to learn (e.g., Agile) Technical leadership (mentoring, best-practice guidance) Desirable: Experience with modern frameworks and libraries (e.g., React, Node.js, Terraform, Celery) Experience with database schema design and query optimisation Employee Benefits As if contributing to and supporting work that makes life better ...

with strong problem-solving skills and attention to detail Great communication and a collaborative mindset Bonus Points: Experience with Node.js or frontend technologies like React Familiarity with Grafana , TeamCity , or observability tooling Interest or experience in financial services , compliance, or digital banking If you're excited to work ...

experience: Backend Development: Experience in building microservices using either Python with FastAPI, or TypeScript with Express or equivalent Frontend Development: Experience in building React applications using TypeScript, leveraging frameworks such as Next.js or Vite. GenAI Frameworks: Familiarity with tools like LangChain, LangGraph, CrewAI, or Vercel AI (in Python or JavaScript ...

experience: Backend Development: Experience in building microservices using either Python with FastAPI, or TypeScript with Express or equivalent Frontend Development: Experience in building React applications using TypeScript, leveraging frameworks such as Next.js or Vite. GenAI Frameworks: Familiarity with tools like LangChain, LangGraph, CrewAI, or Vercel AI (in Python or JavaScript ...

drive projects forward Proficiency in full-stack development using any object oriented language (we use .NET) and any modern javascript framework (we use React) Experience working with databases (SQL and NoSQL), APIs, and web technologies. Experience with cloud platforms (AWS, GCP, Azure) Solid understanding of software engineering principles, including clean ...

work with the following technologies to ensure scalable, high-performance applications: Programming Languages: JavaScript/TypeScript, Java, C# Frameworks: Vue/Angular/React/Node/Next, Spring/Spring Boot, .NET/ASP.NET Cloud platforms: AWS, GCP, Azure CI/CD:Jenkins, GitHub Actions, Azure DevOps IaC: Terraform ...

Sitecore, Optimizely, Umbraco, Alterian, Immediacy, Ektron, Kentico, Sitefinity or dotnetnuke. Our client can provide you with industry recognised training in: .NET 10.0, JavaScript, React, Angular 21, Microservices, MongoDB, Vue.js, TypeScript, Azure, AWS, ASP.NET Core Web API, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban and MongoDB. This ...

focused role Nice to Have Experience with cloud platforms (Azure preferred; AWS also acceptable) Knowledge of Docker and containerised applications Frontend experience with Angular, React or Blazor CI/CD experience using Azure DevOps, GitHub Actions or similar Experience in financial services or other regulated environments ...

years experience in software engineering and a solid understanding of the software development lifecycle (SDLC). Technical experience with OOAD, SOA, Java, J2EE, Spring, React.js, Node JS, Hibernate, SOAP/REST web services, Spring security, SpringBoot, and AMQP/RabbitMQ. Experience with application servers (Jboss/WebSphere). Experience ...

experience: Backend Development: Experience in building microservices using either Python with FastAPI, or TypeScript with Express or equivalent Frontend Development: Experience in building React applications using TypeScript, leveraging frameworks such as Next.js or Vite. GenAI Frameworks: Familiarity with tools like LangChain, LangGraph, CrewAI, or Vercel AI (in Python or JavaScript ...

experience: Backend Development: Experience in building microservices using either Python with FastAPI, or TypeScript with Express or equivalent Frontend Development: Experience in building React applications using TypeScript, leveraging frameworks such as Next.js or Vite. GenAI Frameworks: Familiarity with tools like LangChain, LangGraph, CrewAI, or Vercel AI (in Python or JavaScript ...

Clearance (or eligible and willing to undergo clearance). Strong Java and Spring Boot development experience. Proven experience delivering full-stack solutions (e.g. React, Angular, or Vue). Good knowledge of microservices , RESTful APIs , and containerisation (Docker/Kubernetes). Experience working with AWS or other cloud environments. Understanding ...

experience: Backend Development: Experience in building microservices using either Python with FastAPI, or TypeScript with Express or equivalent Frontend Development: Experience in building React applications using TypeScript, leveraging frameworks such as Next.js or Vite. GenAI Frameworks: Familiarity with tools like LangChain, LangGraph, CrewAI, or Vercel AI (in Python or JavaScript ...

experience: Backend Development: Experience in building microservices using either Python with FastAPI, or TypeScript with Express or equivalent Frontend Development: Experience in building React applications using TypeScript, leveraging frameworks such as Next.js or Vite. GenAI Frameworks: Familiarity with tools like LangChain, LangGraph, CrewAI, or Vercel AI (in Python or JavaScript ...

experience: Backend Development: Experience in building microservices using either Python with FastAPI, or TypeScript with Express or equivalent Frontend Development: Experience in building React applications using TypeScript, leveraging frameworks such as Next.js or Vite. GenAI Frameworks: Familiarity with tools like LangChain, LangGraph, CrewAI, or Vercel AI (in Python or JavaScript ...

Engineer, you will: Engineering of Golang-based backend systems , focusing on API development and integration. Engineering on our TypeScript-based frontend systems , primarily utilizing React to craft intuitive and highly functional user interfaces. Productize and enhance our Kubernetes-based cloud platform to ensure high-availability, scalability, and cost-efficient ...

/CD testing workflows. Skills & Experience Back End: Proficiency in Node.js (preferred), or .NET/Java. Front End: Solid experience with JavaScript , React , and TypeScript . Strong foundation in Agile/Lean methodologies and modern software delivery practices. Working knowledge of UI/UX principles and prototyping tools. Excellent communication ...