1 to 25 of 137 Permanent React Jobs in Central London

Full Stack Engineer with a strong track record in senior or principal-level roles Expertise in JavaScript/TypeScript and modern frontend frameworks (e.g., React, Angular, or Vue) Strong backend development experience (e.g., Node.js, Java, Python, or Go) Proven experience designing and building scalable, distributed systems Strong experience with REST ...

decisions and technical strategy Support CI/CD pipelines and cloud infrastructure Mentor developers and promote engineering best practices Tech Stack: Frontend: TypeScript, JavaScript, (React/Angular), HTML5, CSS3 Backend: Python REST APIs Data: MySQL, PostgreSQL, Redis Cloud & DevOps: AWS, Docker, CI/CD, Kubernetes (nice to have) Architecture ...

team Promote a culture of continuous learning, innovation, and engineering excellence Required Experience & Skills Strong experience building full-stack web applications using TypeScript/React and C#/.NET (or similar technologies) Deep understanding of software engineering principles, including modular architecture and design patterns Proven experience designing and developing RESTful ...

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 ...

priorities in a fast-paced environment Technical Skills Power Platform (Power Apps, Power Automate, Power Pages, Power BI) Python, JavaScript, TypeScript, Angular or React ASP.NET Core, Entity Framework, REST APIs, Swagger/OpenAPI SQL Server, PostgreSQL, NoSQL databases, vector databases FastAPI and AI service integrations (OpenAI, Claude, Gemini) Docker, Kubernetes ...

traditional software projects. Required Skills and Experience Backend development using Python with FastAPI or TypeScript with Node.js or Express Experience building microservices architectures React and TypeScript front end development experience Familiarity with Next.js or Vite Experience with Generative AI frameworks such as LangChain, LangGraph or CrewAI Experience working with Large ...

trade lifecycle workflows. Experience building FIX or WebSocket APIs for trading. Options and structured products experience. Our Tech Stack Backend: C#, Python Frontend: React Databases: PostgreSQL, DynamoDB Infrastructure: AWS (EKS, EC2) Version Control & CI/CD: GitHub This role offers an exciting opportunity to build mission-critical trading systems that ...

Responsibilities Design and deliver scalable, secure web applications Build backend services using Python (e.g. FastAPI, Flask, or Django) Develop modern frontend applications using React and TypeScript Design and maintain RESTful APIs 5+ years’ experience as a full-stack developer AI & Modern Development Practices (Required) Experience using AI coding tools ...

engineers Collaborate closely with cross-functional teams to deliver impactful solutions Contribute to hiring and onboarding as the team grows Core Tech Stack Frontend: ReactJS, HTML, CSS/LESS/SASS Backend: Node.js, AWS, MongoDB Tools: Git, CI/CD Requirements 4–7+ years’ experience in full-stack web development ...

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 ...

SharePoint 2016 on-premise environments to SharePoint SE and/or SharePoint Online. Proven expertise in SharePoint Framework (SPFx) development. Proficiency in TypeScript, JavaScript, React, HTML5, CSS3, and modern front-end development practices. Strong experience integrating SharePoint solutions using RESTful APIs and Microsoft Graph. Solid experience with C# and .NET ...

experience in production environments and enjoy seeing your code solve tangible business problems. Stack Versatility: You are highly proficient in Python ( FastAPI ) and TypeScript ( React/Next.js ), with a solid grasp of SQL and GCP . Independent Execution: You are comfortable working with high levels of trust and minimal oversight ...

features. Data & Pipelines: Experience building ingestion workflows and connecting disparate internal data sources. Stack Versatility: You are highly proficient in Python ( FastAPI ) and TypeScript ( React/Next.js ), with a solid grasp of SQL and GCP . The Profile The Practical Automator: You have a track record of saying "this process ...

detail typography, spacing, and design consistency. Experience with Azure DevOps, CI/CD pipelines, and Azure Monitor. Familiarity with LogicApps, Azure Web Apps, React, or additional front-end frameworks. Experience with automated testing frameworks. Skills & Competencies Ability to communicate complex technical concepts clearly to non-technical audiences. Excellent time management ...

Gopher) Agile Delivery Methodologies, SCRUM, SCRUMBAN Working in an agile environment using JIRA and Confluence Experience working in a data-centric organisation Desirable Skills React front-end development React. Native cross-platform mobile application development Android development (Java/Kotlin/Dagger2) Image Processing, ANPR (automated number plate recognition ...

Safe Intelligence Front End Software Engineer, you will: Make key contributions to software development on our TypeScript-based frontend systems, primarily utilizing React to craft intuitive and highly functional user interfaces. Develop simple and intuitive UI to enable workflows around testing and validating Machine Learning systems with ...

Collaborate with engineers, product, and design to ship high-quality features Requirements Experience in product-focused engineering environments Strong skills in TypeScript, Node.js, and React Experience with modern frontend tooling (e.g. Tailwind or similar) is a plus Solid knowledge of relational databases (e.g. PostgreSQL) Experience with cloud platforms and infrastructure ...

/CD, DevOps practices, and automation across the stack (Lead) Setting technical direction and mentoring engineers 🛠️ Tech Stack Ruby on Rails | MySQL | JavaScript (React desirable) | CI/CD (Azure DevOps, Jenkins, GitLab) | Cloud (Azure) ✅ What We’re Looking For Strong Ruby on Rails experience (MVC, APIs) Solid grounding in software ...

/CD, DevOps practices, and automation across the stack (Lead) Setting technical direction and mentoring engineers 🛠️ Tech Stack Ruby on Rails | MySQL | JavaScript (React desirable) | CI/CD (Azure DevOps, Jenkins, GitLab) | Cloud (Azure) ✅ What We’re Looking For Strong Ruby on Rails experience (MVC, APIs) Solid grounding in software ...

C#, Java, Python, etc.) Deep understanding of algorithms, data structures, and software design Experience building complex systems — not just application-layer UI Familiarity with React, Angular, or Vue (and how they interact with the DOM) Ability to reason about performance, memory usage, and rendering behaviour High standards for code quality ...

Desirable skills: We would love to hear from you if you also have experience in multi-threaded application development, JavaScript front-end frameworks like React, network programming (TCP/UDP), or distributed version control systems like Git or PlasticSCM. Salary: £40,000 to £110,000, Benefits: Gym membership, pension scheme ...

unicorn, together, in the same room, ask the big players. What you’ll need to succeed: Strong experience building production quality software (Java, TypeScript, React or Python) Curiosity and adaptabilit y: you learn new technologies quickly and apply them effectively Hunger and drive: you’re comfortable working in ambiguous, fast ...

problem solving The tech Our core technologies are: Angular and TypeScript on the client side for our mobile apps and booking flow Next.js and React for parts of our marketing website Ionic for hybrid and progressive mobile apps Bootstrap and Chakra UI for styling Cypress for end to end testing ...