1 to 25 of 280 React Jobs in London

Senior Front End Developer Senior Front End Developer – Global Workforce Technology Innovator – London (Tech stack: React, React Native, TypeScript, JavaScript (ES6+), HTML, CSS, Component Libraries, Design Systems, State Management (Redux, Zustand, MobX, Apollo), Web & Mobile UI/UX, Accessibility, Front End Architecture) Our client began over a decade ago with … impact, this is your chance to join a company where your work genuinely matters. This is a role for engineers who are passionate about React, committed to building intuitive, high-performance interfaces, and excited about delivering cross-platform experiences using React Native. You'll play a key role in shaping ...

Senior Front End Developer Senior Front End Developer - Global Workforce Technology Innovator - London (Tech stack: React, React Native, TypeScript, JavaScript (ES6+), HTML, CSS, Component Libraries, Design Systems, State Management (Redux, Zustand, MobX, Apollo), Web & Mobile UI/UX, Accessibility, Front End Architecture) Our client began over a decade ago with … impact, this is your chance to join a company where your work genuinely matters. This is a role for engineers who are passionate about React , committed to building intuitive, high-performance interfaces, and excited about delivering cross-platform experiences using React Native . You'll play a key role ...

Founding Software Engineer | React Native, React, Python/Node.js | AI Start-Up | London Hybrid 3x/Week | Up to £120k + Equity We have just partnered with one of the most exciting early stage start-ups in the AI creativity space who need an engineer who will come … hire without looking at years of experience. This Founding Software Engineer role is for someone who has full stack experience mainly working on Frontend (React/React Native) and Backend (Node/Python) projects. It is for someone who can challenge the status quo and not be worried about putting ...

Google Cloud. Knowledge of microservices architecture and related tools. Experience with testing frameworks like Mocha, Chai, or Jest. Familiarity with front-end technologies like React, Vue, or Angular is a plus. Experience with back-end technologies like Java or .Net is a plus Package And Benefits Competitive salary, dependent ...

Proven technical leadership experience, whether mentoring developers, leading projects, or driving architectural decisions Expert proficiency in JavaScript/TypeScript with modern frameworks such as React, Next.js, or Vue for building responsive front-end experiences Strong back-end capabilities with Node.js and Express, plus experience in at least one of C# ...

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

scalable, secure, and user-focused solutions. Key Responsibilities Develop microservices using Java (Spring Boot). Build responsive front-end applications using JavaScript/TypeScript, React, HTML, and CSS. Use Git-based version control and CI/CD pipelines (GitHub, GitLab, Jenkins). Containerize applications using Docker and manage deployments ...

/CD pipelines), cloud technologies (Azure, AWS) and IaC (e.g. Terraform, Pulumi) You have worked with different frameworks throughout technology stacks (e.g. React/Angular/Vue/Blazor frontends etc., FastAPI/Spring Boot/Django/.NET backends etc.) You have experience building and working across different architectural ...

production systems as needed. Skills Proficiency in C#, .NET 8, Python, RESTful APIs, and microservices architecture. Strong Front End development experience using Nextjs/React/Typescript, with familiarity in wireframing tools (eg, Figma). Hands-on experience in building distributed systems with messaging technologies such as RabbitMQ or Kafka. ...

systems What You Need 5+ years experience as a Software Engineer with strong Java/J2EE expertise (Java 8+, Spring, Hibernate) Frontend Angular experience (React may be considered) Cloud experience with microservices (AWS preferred) Docker and Kubernetes hands-on experience Fintech/regulated industry experience preferred Why Join? Java-focused ...

have skills: AWS Knowledge of Open Source BPMN workflow engines (Camunda, Activiti or Flowable) Experience on a front-end javascript framework such as react, angular or vue.js RedHat OpenShift for container orchestration Knowledge of NCSCs 14 cloud security principles. SC Clearance: my client works with UK Central Government departments ...

C# Full Stack .NET development SQL Server & SQL Server Reporting Services Python for data engineering and Power BI Strong SQL knowledge Git/GitHub React/Javascript Experience within NHS or Healthcare sector is a must have Python software developer - Contract: Required Skillset: 5+ years Software engineering experience with Python ...

client stakeholders. Key Responsibilities Design and build applications using ASP.NET Core, C# and modern JavaScript frameworks Develop responsive, accessible front-end interfaces using React, Angular or Blazor/Razor Contribute to cloud-native architectures on AWS or Azure Implement modern DevOps practices including CI/CD pipelines and automated testing ...

client stakeholders. Key Responsibilities Design and build applications using ASP.NET Core, C# and modern JavaScript frameworks Develop responsive, accessible front-end interfaces using React, Angular or Blazor/Razor Contribute to cloud-native architectures on AWS or Azure Implement modern DevOps practices including CI/CD pipelines and automated testing ...

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 ...

Requirements: Strong software engineering fundamentals (data structures, OO design, distributed systems concepts) Professional experience in C#/.NET Hands-on Angular experience OR strong React/TypeScript engineers willing to pick up Angular quickly Ability to understand data flows, validate correctness, and challenge assumptions Excellent communication skills and ability ...

similar languages Full-Stack Development Solid software engineering background with proficiency in Python, JavaScript/TypeScript, Java, or Go Experience with modern frameworks (React, Node.js, Django, FastAPI) Knowledge of microservices architecture, API design (REST, GraphQL) Experience with containerization (Docker, Kubernetes) and cloud-native development patterns DevOps & SRE Practices Experience implementing ...

with relational databases (Postgres) and NoSQL databases (MongoDB, Redis, Cassandra). Experience with RESTful API design and integration. Familiarity with front-end frameworks (VueJS, React, or Angular). Good knowledge of source control (Git) and CI/CD tools. Understanding of infrastructure and deployment (AWS, Ansible, Kubernetes). Architectural skills ...

with team members and stakeholders Preferable/Nice To Have Experience And Skills Master's degree is preferred. Some experience with front-end technology (React, Angular, etc) Experience with Financial Services, incl. Banking, Payments, Capital Markets Why Lab49? Lab49 is an established partner for most financial institutions on Wall Street. ...

focus on large-scale, complex systems. Polyglot engineer comfortable working across multiple languages and frameworks (weve used Python, Java, Kotlin, Node.js, C#, JavaScript, Express, React and Next.js to name a few). Passion for learning new technologies and helping others do the same. Proven track record of leading software architecture ...

scale environments such as Investment, Asset, or Wealth Management. Proven track record of leading frontend and mobile engineering teams , delivering high-quality applications in React/React Native , Swift (iOS) , and/or Kotlin (Android) . Strong understanding of secure API integration , authentication flows , and modern UI/UX architecture … continuous learning and improvement . Thrives in fast-paced, regulated environments where speed, compliance, and innovation go hand-in-hand. Your Technical Toolkit React/React Native/TypeScript Swift (iOS)/Kotlin (Android) JavaScript/HTML/CSS Figma/Git Testing frameworks : Jest, Cypress, XCTest, Espresso CI/ ...

/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 ...

real impact. As a software engineer you will: Build and scale end-to-end features across the full stack using .NET and React Work with SQL and NoSQL databases to deliver robust, high-performance solutions Design, maintain and optimise cloud-based services on AWS, GCP or Azure Implement and improve ...

tasks. Git/GitHub DevOps, including exposure to CI/CD pipelines and secrets scanning Experience with cloud-based engineering (any major cloud provider) React (front-end development) Test-Driven Development (TDD) Automated testing frameworks such as Playwright and PyTest Experience with reporting and BI tools (e.g., Power BI, Tableau ...