1 to 25 of 87 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 ...

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 ...

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 ...

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 ...

accessibility Skills, knowledge, and experience Must have: 3+ years of experience in frontend development, building dynamic and responsive web applications Demonstrated fluency with TypeScript, React and frameworks such as NextJS Familiarity with state management libraries (Zustand, Redux, MobX etc.) Experience working with GraphQL/REST APIs Knowledge ...

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 ...

exact tech stack - we value relevant experience and the ability to learn over perfect matches. Essential Experience building web applications with modern frontend frameworks (React, Vue, Svelte, or similar - Angular experience is a bonus but not required) Backend development experience with a strongly typed language (C#, Java, TypeScript, Go, Kotlin ...

Lead and grow a 6‐person onshore/offshore engineering team • Set technical strategy and evolve a scalable, secure architecture. • Familia with Typescript, JavaScript & React full stack engineering environments. • Drive delivery quality with improvements across CI/CD, DevOps, testing and reviews • Partner with the CEO and Product to align ...

stack engineer in a fast-growing product-led company (experience as a founding engineer or engineering lead is a plus) Strong proficiency in Python, React, TypeScript, Next.js, AWS, and Terraform Experience owning features end-to-end, from design through to production release A track record of delivering high-quality work ...

growth, and shared success; work cross-functionally to launch products that set the standard for fan experiences. Tech Stack Languages: TypeScript, JavaScript, C# Frameworks: React, Next.js, Node.js, .NET Testing: Vitest, Playwright, Pact, K6 Datastores: PostgreSQL, CosmosDB, Redis DevOps: GitHub Actions, Azure, Kubernetes, Docker, Terraform Monitoring: Grafana, Azure App Insights What ...

Node Exposure of Laravel and/or Python (Django or Flask a plus) Familiarity with Drupal and some knowledge of modern front-end frameworks (React, Vue, etc.) What You'll Do: Build scalable applications using modern frameworks and clean architecture Contribute to backend services and APIs (Python or Laravel-based ...

membership platforms, subscriptions platforms and any other E-commerce platforms. Experience with managing third party vendors, good stakeholder management skills Coding languages such as React, JavaScript, AngularJS, .Net, C#, TypeScript, HTML, CSS, This will be initially a six-month day rate contract inside IR35 via umbrella company from our supplier ...

solutions integrated with Power Platform Knowledge of Power Platform governance and Center of Excellence practices Experience with PCF controls and modern web technologies (TypeScript, React) Understanding of Power Platform performance optimisation and profiling Experience with Azure integration services such as Service Bus, Event Grid, or API Management Personal Attributes Strong ...

have strong C# .Net, ASP.Net development experience You have a strong knowledge of databases (SQL or Oracle) You're comfortable with JavaScript/React You have a thorough knowledge of Computer Science fundamentals such as OOP, Design Patterns, Data Structures, Algorithms You are collaborative with excellent communication and stakeholder management ...

overall system design: service boundaries, data ownership, scaling, and observability Essential Qualifications: Built modern full-stack applications (Python/Java/Go + React) Worked with a variety of storage technologies (eg. Postgres, Mongo, Redis, Object) Experience with async and bi-directional communication protocols and patterns (eg. WebSockets, SSE) Designed ...

Pragmatic decision-maker who balances speed with robustness Bonus: exposure to LLM, Transformers or financial/market data products Tech We Work With Python, React, JavaScript AWS, Docker, Pulumi, Postgres Agile Transformer building, LLMs, time-series models Real-time data pipelines & scalable APIs Why Join Permutable? A wide network ...

JavaScript to join them working across a range of new initiatives Core skills across Python and JavaScript with experience in Django and/or React are an click apply for full job details ...

Implement and maintain secure, scalable cloud environments Stay hands-on across the full stack, contributing to development of system built in Python, TypeScript, Node.js, React, and Postgres/NoSQL Essential Experience: 5+ years experience in Cloud Architecture & DevOps Experience designing and implementing secure systems Leadership experience Desirable Skills: Exposure ...

Highly skilled in Python development, with knowledge of FastAPI framework. Good databases knowledge with schema design and SQL. Some front-end development preferably TypeScript & React is highly desirable. Experience of designing scalable systems and working with CI/CD pipelines. Experience in data-driven applications, cyber security, or SaaS platforms ...