1 to 25 of 107 React Jobs in the City of London

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 ...

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 ...

Java and Python. Hands-on experience with API development and integration. Solid understanding of HTML, CSS, JavaScript, and modern front-end frameworks (e.g., React, Angular, or Vue). Experience with databases (SQL and NoSQL). Familiarity with version control systems (e.g., Git). Knowledge of cloud platforms (AWS, Azure ...

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 ...

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 ...

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 ...

work well across disciplines Bonus: experience with identity systems (e.g. Microsoft Entra ID/Azure AD), SSO, or HRIS integration OUR TECH STACK Frontend: React, JavaScript Backend: C#, .Net, Azure Service Fabric, Kubernetes Infrastructure: Azure, Service Fabric, Cosmos DB WHY COCENTRIC Be a key part of a product that ...

Senior Software Engineer Key Technologies: C#, .NET, React, JavaScript, Typescript, AWS, Docker City of London, United Kingdom Perm Role: £80,000 - £120,000 Harrington Starr has partnered with a Global Financial Services Vendor and they are looking for a Senior C#, .NET Software Engineer to join their growing team! This ...

understanding of UX principles and web design fundamentals Expert in Javascript, Typescript, HTML, and CSS Extensive experience with modern web frameworks and patterns (eg. React, Next.js, Tailwind) Experience with real-time and bi-directional communication protocols and patterns (eg. WebSockets, SSE) Built and deployed services on any major cloud providers ...

technologies. Collaborate within an agile engineering team, contributing to technical decisions and continuous improvement. Technology Stack C#/.NET Core/ASP.NET Core TypeScript, React Modern web and cloud architectures Requirements Commercial software development experience (typically 6+ years). Strong experience with C#/.NET and modern JavaScript/Typescript ...

requirements • Contributing to testing, documentation and ongoing improvements across the team What we’re looking for • Expert in modern front-end tech - Vue (mandatory), React/Angular (nice to have) • C#/.Net - this will be a small part of the role but necessary • Experience working with component based development ...

Vertex AI, Docker, and Kubernetes. Required Skills & Experience Strong proficiency in Python for AI/ML workflows . Strong proficiency in Angular (primary frontend); React optional. Hands-on experience with LangChain, LangGraph, and Indexify , with a deep understanding of RAG architectures . Expert-level SQL and experience with BigQuery ...

solving to ensure high-performance service delivery. The ideal candidate will be a hands-on developer proficient in Python, TypeScript, Golang, Node JS, and React, with a strong understanding of both Postgres and NoSQL databases. You should have the ability to translate complex technical concepts into clear documentation. Experience with ...

security, performance and accessibility Skills, knowledge, and experience: Must have: 8+ years of experience in frontend development Demonstrated strong fluency with TypeScript, Next.js and React Experience with design systems, component libraries and Storybook Familiarity with state management libraries Experience with the testing pyramid and tools such as Vitest, Jest, Playwright ...

Gutenberg and best practices Ability to create custom Gutenberg blocks Knowledge of PHP, HTML and CSS Front End development experience in JavaScript and React Knowledge of VCS and Git Ability to communicate your ways of working and collaborate with team members As a WordPress developer, this is a unique opportunity ...

/CD, Git, Jira, and modern DevOps practices Strong understanding of secure coding principles (OWASP) and performance optimisation Desirable: OAuth/OpenID, CloudFormation, React or Vue.js, healthcare interoperability standards (HL7, SNOMED, DM&D) Package: £72,000 + £3K on call Great benefits package Fully remote Lead Software Developer - Full Stack ...

with the company. What We're Looking For: 4-7 years of experience in full-stack software engineering, building B2B SaaS products. Proficiency with React/TypeScript for frontend and Node.js/Python for backend development. Experience building data pipelines, ETL processes, and analytics systems. Startup experience with a hands ...

person onshore/offshore engineering team • Architect and enhance scalable, secure cloud-native systems • Contribute directly to full-stack development across TypeScript, JavaScript and React • Improve delivery standards across CI/CD pipelines, DevOps practices and automated testing • Collaborate with the CEO and Product function to align technical delivery with ...

delivery. The ideal candidate will have around 3+ years' experience and be a hands-on developer proficient in Python, TypeScript, Golang, Node JS, and React, with a strong understanding of both Postgres and NoSQL databases. You should have the ability to translate complex technical concepts into clear documentation. Experience with ...

stage, hands-on role with significant autonomy and responsibility . You will own full-stack product delivery, from infrastructure and AI integrations through to React/React Native interfaces, collaborating closely with founders, creators, product, and design to turn lean specs into scalable, user-loved software. We’re looking … real mobile experience. Responsibilities Implement features end-to-end (mobile + web frontend → APIs → data models → integrations) while maintaining quality and velocity. Build React Native mobile apps and shared component systems across products. Design and ship scalable backend services (APIs, integrations, AI workflows). Run tight build → test → iterate → ship ...

setting. It will be an added bonus if you have a bachelor’s degree in computer science or a related field. -> Strong TypeScript + React/Nextjs (SSR/ISR, routing, forms, perf profiling). -> Serverless APIs experience on Azure (Functions, Container Apps Jobs); event-driven patterns; async workers/ ...

impatient for progress, then we're the place you'll thrive Regular Mario Kart action! To be successful, you will... Have experience with React/NodeJS Have expertise in Typescript/JavaScript, with proven experience in development role(s) Have exceptional problem-solving abilities, proven in diagnosing and fixing complex ...

Mentor and level-up others: Coach senior/leads and set strong bar for engineering excellence. R&D: Stay at the forefront of the React/React Native ecosystem, evaluating new technologies, industry practises and guide the engineering delivery teams with adoption. About You 10+ years of experience with … Front End/Web and Mobile architecture approaches and design patterns including micro front ends, module federation, stateless, SPA and others Advanced knowledge of React and React Native Eco system and AWS technology stack. Strong API/integration experience: REST/GraphQL, auth flows, contract design and resilience patterns Well ...

paced, and high-uncertainty environments Excellent communication and collaboration skills Demonstrated curiosity and drive to learn through experimentation Preferred: Familiarity with tech stack: Next.js, React, TypeScript, Python, FastAPI, Postgres, Redis Experience with cloud infrastructure (AWS, GCP) Exposure to or experience with foundation models or Generative AI (LLMs, RAG, fine-tuning ...