51 to 75 of 89 React Jobs in London

software engineering, architecture or technical leadership Experience designing and delivering modern web-based platforms Strong knowledge of JavaScript/TypeScript ecosystems Experience with React, Next.js, Node.js or similar technologies Cloud platform experience, ideally AWS Strong understanding of APIs, data architecture and distributed systems Experience leading technical teams or mentoring engineers ...

product-led environments Comfortable operating in fast-moving teams with evolving requirements Strong communication and stakeholder management skills Tech Stack: Python, FastAPI, GCP, Terraform, React/TypeScript Apply Now You can apply for the Senior Backend/Platform Engineer position now by sending us your CV or by calling ...

time data (WebSockets, SSE or similar) AG Grid, Prime Vue UI state management systems such as Pina, Redux, and UI design systems. Angular/React Job Offer Performance based discretionary cash bonus scheme Discretionary stock grant Group Life Assurance cover Group Income Protection Occupation pension scheme based on Gross earnings ...

science, data engineering and architecture teams Track usage and iterate on design based on real client feedback Required Skills & Experience Strong front-end development (React or similar modern JavaScript framework) Experience building and deploying on modern web platforms (Vercel or equivalent) Expert-level Power BI including DAX, embedding, theming ...

Devices Team: This team builds the customer-facing side of things for web, voice assistants and connected devices/speakers, using technologies like TypeScript, React and Next.js. They take what the Platform team builds and turn it into the products people use and see on screen. Mobile Team: The team ...

them in their key skills, accountabilities and development areas. Desirable Skills: 5+ years experience in working with the .NET framework, particularly with ASP.NET Core, React/React Native, C#, Web API Strong experience in working with Azure (preferably certified) including App Services, Azure Function, Service Bus Experience leading and mentoring … driven development tools such as Claude Experience developing REST API-driven mobile first web applications Experience of frontend application development, with a focus on React.js, Next.js and TypeScript Jira, Bitbucket, Git Flow, Confluence, Azure Devops, Azure App Centre, Service Bus Explorer, SSMS and agile software development process/practices ...

Forward Deployed Engineer (AI & Full-Stack) Remote (UK-based) 6-Month Initial Contract £60 per hour (Umbrella) Inside IR35 Stack: Go, React/TypeScript, GCP (Cloud Run, Pub/Sub), PostgreSQL, Automated AI Workflows A well established firm is looking for a hands-on Forward Deployed Engineer to join ...

Engineers to their team. The team are open to hiring pure backend engineers, or full-stack engineers. Their technical stack is Rust , Typescript and React on the frontend. They do not require any experience in any of these technologies , the team hire on pure technical acumen rather than years ...

assurance practices. Contributing to UI standards, component libraries and front-end best practices. What We're Looking For Strong commercial experience with TypeScript and React (or a comparable modern framework). Experience building complex web applications and user interfaces. Strong API integration skills. Experience developing interactive charts, dashboards and reporting ...

scale. Deliver hands-on development of class leading web-based applications and services, integrating AI capabilities with our existing platform (C#/.NET, React and/or Angular, Python) and our Azure cloud and DevOps tooling. Direct AI coding assistants and agentic workflows (e.g. GitHub Copilot, Claude Code) alongside your … ability to critically review, validate and secure the code they produce. Strong hands-on software engineering experience (minimum 10 years commercial), with React and/or Angular, TypeScript, C#/.NET and Python. Hands-on commercial experience in Azure cloud, using GitHub and Azure DevOps, across all phases ...

Front End React Developer, React, Javascript, NW London to £80K A leading financial software company are looking for a Front End JavaScript developer who is proficient with React.js. The role is Offcie based in North West London, Your primary focus will be on developing user interface components and implementing them … following well-known React.js workflows, specifically Redux and RTK. You will ensure that these components and the overall application are robust and easy to maintain. You will coordinate with the rest of the team working on different layers of the infrastructure. Therefore, a commitment to collaborative problem solving, sophisticated design ...

practical product features. The ability to work across frontend, backend, and applied ML within a small, highly technical team. Experience that would stand out React, TypeScript, Python , and modern application architecture. Structured generation, tool use, RAG , model adaptation, or fine-tuning. Multimodal systems involving text, images, drawings, or technical inputs. ...

Agentic AI frameworks in client-facing environments, including data engineering in cloud environments. Strong Python (3.10+), TypeScript, JavaScript (ES6+), SQL and Bash. Front-end: React.js, Next.js (App Router & Server Components), Tailwind CSS, ShadCN UI, Redux, Zustand, Jest, Cypress plus AI product UX patterns such as streaming, review loops, provenance/… Stack Developer, Python Developer, Senior Consultant Data Science, Data Scientist, Solutions Architect AI, LLM Engineer, MLOps Engineer, AI Software Engineer, Django Developer, FastAPI Developer, React Developer, Next.js Developer, TypeScript Developer, Azure OpenAI, Vertex AI, LangChain, LangGraph, CrewAI, Autogen, OpenAI Agents SDK, Google ADK, RAG, retrieval augmented generation, MCP, LangSmith, TruLens ...

Senior Full-Stack Engineer - AI Startup (Typescript, Node, React) London - 4 days per week in the office Permanent 120,000 - 150,000 We're working with an exciting early-stage AI startup building an agentic platform for institutional finance . The company is a small, high-performing team of fewer … 8+ years' commercial software engineering experience. Strong full-stack development experience with no significant frontend or backend bias. Recent, hands-on experience with: TypeScript React Node.js Proven experience building and maintaining production software . Experience taking ownership of projects and features from development through to production. Regular use of modern ...

C#/.NET, React & AI £90,000 + Bonus + Benefits Central Wimbledon | Hybrid 2 days per week Were partnering with an established global technology business looking for a highly experienced Software Engineer to help shape the next generation of a major SaaS platform. This is for someone who still … comfortable having genuine technical influence across an engineering organisation. Were particularly interested in experience across: C#/.NET and modern backend engineering TypeScript with React, Angular or Vue APIs, distributed systems and service-based architectures AWS or another major cloud platform SQL Server/PostgreSQL and relational data modelling Docker ...

Deutsche Bank is a global banking business with strong roots in Germany and operations in over 70 countries. Their large but focused footprint gives an established position in Europe plus a significant presence in the ...

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 ...

core engineering constraints, because clients trust the platform with confidential financial data. What you'll do Build data-heavy, accessible interfaces in TypeScript and React, respecting a detailed role-based access model Design services and REST APIs in Python (FastAPI/Django) with clear OpenAPI contracts Model data in PostgreSQL …/UK GDPR awareness What you bring 5+ years of software engineering with real full-stack ownership in production Strong TypeScript, React, Python and PostgreSQL Auth and access control experience in a multi-tenant B2B product AWS (or similar), CI/CD and containers A track record of setting technical ...

Full Stack Developer (React) Central London, UK (Hybrid) Up to £60k + bonus | Hybrid, 2 3 days in office | React, Node.js, TypeScript We're recruiting for a small product team building one of the busiest, highest-traffic parts of a fast-growing marketplace tech business. … stretched, you're the one who steps up it's an actual number two role. The role starts Front End leaning in React, but it won't stay that way. Over time you'll move toward a proper 50/50 split with Node.js, and there's a mobile ...

/relational database skills. Cloud deployment and monitoring experience, plus CI/CD and automated testing. Microservices experience. Bonus: Kubernetes, Docker, Redis, Terraform, React/TypeScript, or observability experience. Tech stack Java 21 (moving to 25), Spring Boot, microservices, Azure, Kubernetes, Docker, Redis, Terraform, SQL Server, and React 18/ ...

grow their skills while working alongside experienced engineers. Key Skills Required 1+ year commercial full-stack development experience Node.js & TypeScript - hands-on experience React or Angular - frontend development Experience building RESTful APIs Experience with Git/version control Knowledge of unit and integration testing Understanding of Agile/Scrum Good … communication and teamwork skills Willingness to learn and work under senior engineers What You'll Do Develop frontend features using React or Angular Build backend services and APIs using Node.js & TypeScript Integrate applications with APIs and data stores Write and maintain automated tests Participate in Agile ceremonies and code reviews ...

About Us: We are the Information Intelligence Group (IIG) of CACI UK, a specialist software consultancy providing new bespoke solutions to solve our customers complex operational problems. As our business continues to grow, we are ...

hybrid working options (2 days in the London office, 3 days remote). Key Responsibilities: Develop and maintain high-quality, scalable web applications using React.Js and Node.Js. Architect and implement efficient database schemas and RESTful APIs. Mentor junior developers and participate in constructive code reviews. Optimize application performance and ensure … high availability. Requirements: 5+ years of professional experience in full-stack web development. Strong proficiency in JavaScript/TypeScript, React, Node.Js, and PostgreSQL. Experience working within an Agile/Scrum environment. Valid right to work in the United Kingdom. ...

systems as part of ongoing platform transformation projects. Responsibilities include: Taking ownership of frontend feature delivery from design through to production Building and maintaining React and Next.js applications Developing clean, scalable, and well-tested TypeScript code Supporting the migration and modernisation of existing frontend platforms Working with shared component libraries … mentoring less experienced developers Collaborating with Product, Design, Backend and Platform teams Making pragmatic technical decisions that balance delivery, quality, and maintainability Technology Stack React Next.js (App Router) TypeScript Tailwind CSS Component Design Systems Playwright Jest Vitest Git-based CI/CD pipelines Monitoring and observability tools Cloud-based infrastructure ...

looking for an experienced Senior Software Engineer to join our dynamic development team. Key Responsibilities: Design, develop, and maintain scalable web applications using TypeScript, React, and Node.Js. Collaborate with product managers and UX/UI designers to implement new features. Optimize application performance and ensure high availability. Mentor junior team … reviews to maintain high quality standards. Requirements & Skills: Experience: 5+ years of commercial experience in full-stack web development. Tech Stack: Strong proficiency in React, Node.Js, AWS (Lambda, S3), and PostgreSQL. Soft Skills: Excellent problem-solving abilities and strong communication skills. Right to Work: Valid right to work ...