1 to 25 of 569 React Jobs in London

Agile environment. Key Responsibilities Design, develop, and maintain scalable backend services using Java and/or C# . Build modern, responsive user interfaces using ReactJS . Develop and support RESTful APIs and microservices . Design, optimize, and maintain database solutions using Oracle and Couchbase . Implement and support event-driven … Required Skills & Experience Strong commercial experience with Java and/or C# (experience in both is highly desirable). Strong frontend development experience with ReactJS . Proven experience building and supporting REST APIs and microservices . Experience working with relational and NoSQL databases, particularly Oracle and Couchbase . Experience with ...

line-managing software engineering teams Strong hands-on development experience with C# and .NET Strong experience with JavaScript and modern front-end frameworks, ideally React Hands-on experience building and deploying solutions within Azure Experience with serverless architectures, particularly Azure Functions Working knowledge of microservices and event-driven architectures Experience ...

designing and building modern, intuitive and high-performance user interfaces that directly support our client's Fixed Income & Currencies (FIC) sales organisation. Working with React, JavaScript, TypeScript, and modern web technologies, the UI Engineer will help create data-driven applications, working across core application components and platform capabilities, contributing … technical problem solving. Support the design and implementation of distributed, service-oriented architecture, ensuring reliability and maintainability. Create intuitive and responsive user interfaces using React, improving how salespeople access insights and manage client workflows. Contribute to the development of data-driven application features that enhance sales workflows and client interaction. ...

Senior Software Engineer - TypeScript, React & Native Mobile UK Fully Remote Circa £75,000 - £85,000 Bonus Scheme Available We're working with a well-established and growing technology business looking for a Software Engineer to join one of its permanent feature teams. This is an opportunity to work ...

Software Engineer, with a strong hands on software engineering background Strong technical experience across front-end, back-end and mobile development, ideally including Node.js, React, Kotlin and Swift Proven experience building and scaling high-volume customer-facing digital products, such as apps, websites, loyalty, ordering or payment platforms, ideally within ...

Senior Software Engineer - TypeScript, React & Native Mobile UK Fully Remote | Circa £75,000 - £85,000 | Bonus Scheme Available We're working with a well-established and growing technology business looking for a Software Engineer to join one of its permanent feature teams. This is an opportunity to work … technically strong Software Engineer with experience designing and delivering modern applications across the full software development life cycle. Essential technical experience: TypeScript React Experience with state management tools such as Redux or similar Native mobile development experience using Swift and/or Kotlin You'll also ideally have: Strong software ...

Senior Software Engineer - React/Node.js - GCP - AI/LLMs - Central London - £80k-£110k TrinIT Talent are looking for an experienced Senior Software Engineer to join our customer's growing technology team. This is a permanent position paying £80,000-£110,000 per annum depending on experience and requires … powered capabilities. You will be responsible for designing and developing scalable applications across both Front End and Back End technologies. You will work across React, Node.js and TypeScript, alongside GCP cloud technologies, while helping to introduce AI and LLM-powered capabilities into customer-facing products and internal tooling. Key Skills ...

Senior Software Engineer – TypeScript, React & Native Mobile UK Fully Remote | Circa £75,000 - £85,000 | Bonus Scheme Available We're working with a well-established and growing technology business looking for a Software Engineer to join one of its permanent feature teams. This is an opportunity to work … looking for a technically strong Software Engineer with experience designing and delivering modern applications across the full software development lifecycle. Essential technical experience: TypeScript React Experience with state management tools such as Redux or similar Native mobile development experience using Swift and/or Kotlin You'll also ideally have ...

technologies. Strong programming skills in languages such as JavaScript/TypeScript, Java, C#, Python, or Node.js. Experience with front-end frameworks such as React, Angular, or Vue.js. Experience building and consuming RESTful APIs and microservices. Knowledge of software engineering best practices, including testing, CI/CD, and version control ...

knowledge of Rust , particularly in building concurrent, memory-safe, and high-performance applications. Frontend Knowledge: Experience working with modern JavaScript/TypeScript frameworks (e.g., React, Vue, or Next.js) and a solid understanding of web fundamentals (HTML/CSS). Database Expertise: Deep knowledge of relational databases (PostgreSQL) and NoSQL stores ...

application development with server administration and DevOps, this is the role for you. The Tech Stack: Backend: Core Java (8+), Spring Boot, Microservices. Frontend: ReactJS, JavaScript, HTML/CSS (Angular knowledge is a plus). Data & Messaging: SQL (MS SQL Server), Kafka, IBM MQ. Infra & Ops: WebSphere (WAS) admin, Ansible ...

heavy platforms. Technology Environment While experience with all technologies is not required, exposure to the following would be beneficial: .NET, Java, Python, or Node.js, React Microservices architecture RESTful APIs Kubernetes and Docker AWS, Azure, or GCP CI/CD tooling Observability and monitoring platforms Modern data platforms and event-driven ...

software from scratch and iterate quickly You have strong technical skills, primarily with Python You have experience with RESTful APIs (they use FastAPI); TypeScript, React and other web technologies such as HTML5, CSS3 would be of benefit You have experience with LLMs and agentic AI, like to get your hands ...

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 ...

DevOps Developer Location: Central London (Hybrid - 2-3 days per week in the office) Salary: Competitive + Benefits The Role We are partnering with a leading organisation to recruit a DevOps Developer to join its ...

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 ...

doing Designing, developing and testing high-quality software solutions Building backend applications and services using Java Developing modern user interfaces with TypeScript, JavaScript and React Working with AWS, Azure and private-cloud environments Creating and improving CI/CD pipelines using tools such as GitLab Contributing to technical design … love to hear from you if you have: Strong commercial experience with Java Full-stack development experience using TypeScript, JavaScript and React Experience working with AWS or Azure A good understanding of automated testing, CI/CD and modern engineering practices Experience working across the software development lifecycle Strong communication ...

Senior Front End Engineer (React/TypeScript) London Hybrid (2-3 days per week) Build the platform that powers client onboarding at scale We're looking for a Senior Front End Engineer to help shape and build a modern onboarding and account management platform used by businesses across multiple customer … deeply about customer outcomes, software quality, and building the right solutions, not just shipping features. The Opportunity You'll be working on a modern React-based single-page application, building complex onboarding journeys, integrating with external services, and helping define the future direction of the platform's frontend architecture. ...

Full Stack Developer - Python, Django/Flask, React, Azure Up to £410 per day (Inside IR35 - Umbrella) Coventry (4 days per week onsite) 3 months initial contract My client is an International Consultancy who are looking to hire a Full Stack Developer with demonstrable experience in Python, Django, Flask, React … experience in a large, complex organisation Ability to work onsite 4 days per week Technical expertise in Python (Django, Flask frameworks) Demonstrable skills in React, JavaScript (Vanilla) and Node.js Working knowledge of API integration and workflow automation SQL (Database Management) and Data Integration skills Azure Cloud deployment YAML pipeline experience ...

enabled products using LLMs, RAG, agents and model APIs. Take AI ideas from rapid prototypes through to reliable production systems. Work across Python, React/TypeScript, Django, FastAPI, PostgreSQL and AWS. Improve architecture, engineering standards and delivery practices. Work closely with product, business and engineering stakeholders to solve complex problems. … Mentor and support engineers through pairing, reviews and technical guidance. Make pragmatic decisions around scalability, security, reliability and maintainability. Technology Python | React | TypeScript | Django | FastAPI | PostgreSQL | AWS | Docker | REST APIs | CI/CD | Git AI experience across LLMs, RAG, agentic workflows, embeddings, prompt design or model evaluation is particularly valuable. ...

SharePoint Online Designing scalable, secure, and high-performing SharePoint solutions Optimising platform cost, performance, and usability Designing and developing solutions using SPFx, React, TypeScript, JavaScript, Microsoft Graph APIs, and REST APIs Designing and maintaining enterprise on-premises and cloud SharePoint platforms Administering SharePoint SE (on-prem) and SharePoint Online tenants … experience administering and developing solutions for SharePoint Subscription Edition (SE) and 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 ...

across SharePoint SE and SharePoint Online. * Lead modernization initiatives moving classic SharePoint experiences to modern SharePoint. * Design and develop enterprise-scale solutions using SPFx, React, TypeScript, JavaScript, Microsoft Graph APIs, and REST APIs. * Design and maintain enterprise on-premise and cloud SharePoint platforms, including site architecture, navigation, branding, and content … experience administering and developing solutions for SharePoint Subscription Edition (SE) and 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 ...

Senior Full Stack Engineer/Developer (TypeScript React API Rust) London onsite to £120k Opportunity for a Senior/Founding Full Stack Engineer to join a fast growing sports technology business as it establishes its new UK operation. The company sits at the intersection of sports, data, digital insights … attractive area of London on a fulltime basis (Monday to Friday). About you: You have strong full stack software engineering skills: including TypeScript, React, backend services and APIs - ideally you'll also have some knowledge of Rust You have experience shipping consumer facing products, ideally direct-to-consumer subscription ...

Full Stack Engineer/Technical Lead (Ruby TypeScript React) London/Remote to £130k Opportunity for a full stack technologist to join a highly regarded provider of serverless real-time infrastructure for the Internet that processes billions of messages a day and powers everything from live chat and VoIP calls … senior software engineer with experience of building developer tooling and APIs You have strong hands-on experience with Ruby, TypeScript and React You have experience within a product focussed B2B SaaS environment You have experience of making technical decisions that drive projects and raise the bar You're comfortable with ...

wants to grow their range across web and mobile and all the technologies that support them. Our Tech Stack Web: Next.js, TypeScript, Zustand, SCSS, React Testing Library, Storybook Mobile: React Native, TypeScript, React Navigation, React Hook Form, Reanimated, Firebase, Braintree Backend: .NET API (OpenAPI/Swagger) Testing & CI/… Jest, React Testing Library, Azure DevOps, CodePush Environment/Platform: Azure Cloud, templated infrastructure Key Responsibilities Development and maintenance of several customer-facing products, including websites and mobile apps written with Next.js and React Native. Integration of our REST APIs using typed, code-generated (OpenAPI/Swagger) clients. Contribute ...