776 to 800 of 1,003 React Jobs in London

first visit through identity verification, e-signature and submission. As a Mid-Level Full-Stack JavaScript Developer, you'll work across the platform: a React single-page application on the front end, Node.js APIs and background workers on the back end, and Microsoft SQL Server as the system of record. … migrations and integrate third-party services behind clean, maintainable interfaces. What you'll do Build and maintain customer-journey screens and shared components in React 19, using React Router 7, Vite and Sass/SCSS across multiple branded sites from a single codebase. Develop back-end features in Node.js, including ...

Senior Full Stack Lead Engineer ReactJS, TypeScript, JavaScript, C#/.NET Banking London This is a new and exclusive opportunity for a Senior Full Stack Lead Engineer/software developer with expertise across ReactJS, TypeScript, JavaScript, C#/.NET to join this investment Banking client as they expand their full … stack software developer team in London city. Role details Title: Senior Full Stack Lead Engineer Technical stack: ReactJS, TypeScript, JavaScript, C#/.NET Employer: investment Banking Location: London City and home working hybrid 50/50% Permanent role, salary £90,000- £130,000 plus bonus This is a new opportunity ...

Senior Full Stack Lead Engineer ReactJS, TypeScript, JavaScript, C#/.NET Banking London This is a new and exclusive opportunity for a Senior Full Stack Lead Engineer/software developer with expertise across ReactJS, TypeScript, JavaScript, C#/.NET to join this investment Banking client as they expand their full … stack software developer team in London city. Role details Title: Senior Full Stack Lead Engineer Technical stack: ReactJS, TypeScript, JavaScript, C#/.NET Employer: investment Banking Location: London City and home working hybrid 50/50% Permanent role, salary £90,000- £130,000 plus bonus This is a new opportunity ...

complex technical concepts and trade-offs to cross-functional stakeholders at all levels of the organization.Nice-to-HavesProfessional background. A previous role using TypeScript, React, GraphQL, C#, React, MongoDB and/or AWS would be an asset. Adjacent languages, frameworks and services used at scale are also relevant experiences.IMU ...

developer feedback and real-world use Write performant, scalable and maintainable production code What We’re Looking For: Strong experience with building Typescript & React frontends in a maintainable and scalable way. Experience with React performance optimisation, and frontend state management systems such as Tanstack Query or Zustand. Strong proficiency with ...

improve healthcare, particularly for women and families. Specific Requirements Backend experience with Node.js and/or Python (FastAPI, Flask) Experience with front end frameworks (React, Next.js, Vue). Exposure to cross platform frameworks a plus (e.g. React Native). Experience deploying and operating systems on at least one major cloud ...

well designed, testable, maintainable, secure and efficient code Qualifications You will have an extensive background in front-end development with significant experience working with ReactJS and Javascript (ES6+). Any further experience with Next.js/Angular/Vue.js is beneficial Experience with mobile development frameworks like React Native is beneficial. … team of engineers, guiding them in architecture, code quality, and best practices to ensure high-performing and maintainable applications. Experience with GraphQL with React for efficient data fetching and state management is preferred. Continuous Integration experience (Docker) Experience in developing and deploying solutions on AWS Cloud is beneficial. (AWS Certified ...

well designed, testable, maintainable, secure and efficient code Qualifications You will have an extensive background in front-end development with significant experience working with ReactJS and Javascript (ES6+). Any further experience with Next.js/Angular/Vue.js is beneficial Experience with mobile development frameworks like React Native is beneficial. … team of engineers, guiding them in architecture, code quality, and best practices to ensure high-performing and maintainable applications. Experience with GraphQL with React for efficient data fetching and state management is preferred. Continuous Integration experience (Docker) Experience in developing and deploying solutions on AWS Cloud is beneficial. (AWS Certified ...

revolutionising investment management.The role:I am hiring to grow the UI team to develop new features for our exciting frontend product built in React, as well as maintaining existing features and occasionally porting features from a legacy Angular codebase. Additionally you will be responsible for the GraphQL API built … Deep knowledge of JavaScript or TypeScript, HTML and CSSExperience of backend systems such as node.js, GraphQL and RESTUse of modern JavaScript frameworks such as React, Redux, Styled Components, Apollo GraphQLUX and visual design skills are a plusThe development stack includes: TypeScript, React, Redux, Styled Components, Apollo GraphQL, Webpack, Jest, Cypress ...

JavaScript Developer UI React TypeScript – Up to 90,000 p/aQuant Capital is urgently looking for a JavaScript Developer to join our high profile client.Our client is a 60 man Fintech business who has created a market leading product in the financial data market. Details of the full ideas … Disclosure agreement but they are at the bleeding edge of not only product ideas but also technology and data manipulation.TypeScript/React/Redux/Styled Components/Apollo GraphQL/Webpack/Jest/Cypress/PrettierWe are growing our UI team to develop new features for our exciting ...

understanding of user needs. You will focus on: Full-stack Development: You will design, build, and evolve scalable web applications and backend services using React, TypeScript, and Python (Django). You’ll contribute across the entire development lifecycle, from ideation to deployment and monitoring in production. Product Collaboration: You will … work in a “You build it, you ship it, you operate it” culture with a strong emphasis on ownership, experimentation, and continuous improvement. Frontend : React, TypeScript, Storybook Backend: Python (Django) Infrastructure: AWS, Docker, ECS, PostgreSQL, Redis, SQS, SNS Tooling & Delivery :GitHub, GitHub Actions, CI/CD pipelines Testing: Strong focus ...

Flexible working environment. Early-stage career growth as the business scales. Must-Have Strong commercial experience developing full stack web applications. Excellent knowledge ofTypeScript, React and modern JavaScript frameworks. Experience buildingbackend services using Python or similar technologies. Familiarity with cloud platforms, APIs and relational databases. Strong understanding of software architecture … code. Exposure to automated testing using Playwright or similar frameworks. Experience within healthcare, life sciences, regulated software or clinical research. Tagged as: AWS, Python, React.js, SQL #J-18808-Ljbffr ...

initial plan. Architect web-based tooling to provide insights and enable real-time actions using financial data, operational data, trading activity, and more using React and Python.The interview process will evaluate your backend programming skills (primarily Python), and your experience working in JavaScript/TypeScript on a modern web framework … React skills are required!). It is important that you are excited about and comfortable with working on both sides of the stack. All fullstack candidates will go through the same assessment & two technical phone interviews. We will start team alignment discussions if (when!) you get to onsite. To learn ...

Full Stack JavaScript DeveloperHome based working60,000Stack: Node.js, React, MongoDB, TypeScript, Meteor, NativeScript, AngularITAP Group is both a successful online media business and digital payments firm at an exciting growth phase.We are looking for a very keen full stack developer who is willing to learn in a fast-paced environment … forecasts behind the platform over the coming year mean there will be plenty of greenfield and growth work. The stack is comprised of:Node.js, React, MongoDB, TypeScript, Meteor, NativeScript, AngularThe firm has an established reputation in the market and a unique product. The internet is our business so we like ...

would welcome occasional visits to its Mayfair office for collaboration and team time.The roleThis is a true full stack position.They need someone strong in React and TypeScript who can build polished, reliable customer-facing software, but who is equally capable of contributing across backend services, APIs, application logic, databases … company grows.What you will be doingLeading the development of customer-facing products from initial concept through to productionBuilding modern frontend applications using React and TypeScriptDesigning and developing backend services, APIs, integrations, and application logicWorking with Python, SQL, databases, and data platformsTaking ownership of architecture, technical decisions, and engineering standardsTurning complex ...

Full Stack Java Developer - Active SC, Active NPPV3, Java, React & TypeScriptUp to £550 per day (Inside IR35) Remote6 Months We are looking for an experienced Full Stack Java Developer to join a large-scale digital programme, delivering modern applications within a microservices environment. Active SC Clearance is essential. Key Requirements … Strong experience developing full stack applications using Java (Spring Boot), React and TypeScript. Active SC Clearance - Must have. Proven experience working within microservices architectures, building scalable and maintainable solutions. Strong knowledge of PostgreSQL or other relational SQL databases. Hands-on experience with Docker and containerised application deployment. Experience applying Test ...

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. ...

leverage emerging technologies, automation and AI Skills & Experience We're interested in speaking with candidates who have experience in some of the following areas: React, TypeScript and modern JavaScript development Mobile application development using iOS and/or Android technologies API development and systems integration Software design principles and application … pipelines, DevOps practices and automated testing Cloud platforms and modern development environments Agile delivery methodologies Strong problem-solving and stakeholder engagement skills Desirable React Native or other cross-platform mobile frameworks Azure or other cloud technologies Experience working within regulated environments Exposure to AI, automation or digital innovation initiatives What ...

that foundation and turning the portal into a genuine commercial engine for the partnership. This is a full-stack squad (.NET backend, React/TypeScript frontend) working in a regulated, data-sensitive environment, so the role carries real weight: partner-facing delivery, strict data isolation between banks, and the judgement …/.NET is our core backend language, on Azure, cloud‐first. The Bank Portal specifically runs on .NET (Aspire, Duende BFF, YARP) with a React/TypeScript frontend, so while backend depth is the priority, comfort reviewing across a full‐stack architecture matters more here than on a purely backend ...

four engineers in a cross-functional agile team Drive adoption of cloud-first technologies Perform full-stack development across Python/FastAPI services and React/TypeScript front ends Improve team processes for iterative development Embed automated testing and CI quality gates into the AI product Champion responsible and secure … architecture Ability to harden AI features against prompt injection and unbounded model behaviour Desirable: FastAPI, async SQLAlchemy and/or Node/Express Desirable: React/TypeScript front‐end development Desirable: LangChain, LangGraph or other multi‐agent/LLM orchestration frameworks Desirable: Azure services or AWS equivalents Desirable: LLM observability ...

.NET Developer (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Azure DevOps, Agile, Blazor, JavaScript, React, Multithreading, RESTful, ML.NET, Azure AI, Programmer, Full Stack Engineer, Architect, .NET Developer) In just over 5 years our client has established themselves as the world's leading internet subscription service for enjoying … have a sound understanding of object orientated (OO) development and a skill that that includes: .NET 10.0, C# 14, Azure DevOps, Agile, Blazor, JavaScript, React, Multithreading, RESTful, ML.NET, Azure AI and MongoDB. This is an excellent opportunity for a .NET Developer to working within a challenging supportive environment. Top performers ...

projects across the business including trading systems, market place, website, payments and automated trading bots. The technology stack includes Java, Kotlin, Spring Boot, TypeScript, React and AWS amongst others; you'll be encouraged to expand your skillset using the latest technologies and choosing the best tool … thorough understanding of Computer Science fundamentals such as OOP, Design Patterns, Data Structures, AlgorithmsOther tech in the stack includes Scala, Kotlin, Spring Boot, TypeScript, React, and AWS, Kubernetes, Docker and Linux, so previous exposure to any of these would be beneficial but not essential - a willingness to learn ...

Junior .NET Developer - Online Film Rental Company - London (Tech stack: Junior .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Azure DevOps, Agile, Blazor, JavaScript, React, Multithreading, RESTful, ML.NET, Azure AI, Programmer, Full Stack Engineer, Architect, Junior .NET Developer) In just over 5 years our client has established themselves … following (full training will be provided to fill any gaps in your skill set): .NET 10.0, C# 14, Azure DevOps, Agile, Blazor, JavaScript, React, Multithreading, RESTful, ML.NET, Azure AI and MongoDB. This is an excellent opportunity for a Junior .NET Developer to working within a challenging supportive environment. Top performers ...

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 ...

least one high-level language (we use Python and TypeScript, but we care more about depth than the specific language); experience with React is a plus Familiarity with cloud infrastructure (GCP preferred) and containerised deployment (Kubernetes) Experience building at scale in a fast-paced startup or high-growth environment Bonus … Encord and not looking for experience across all of these — as long as you're open to learning, Backend: Python Frontend: TypeScript and React Deployment: Kubernetes Infrastructure: GCP Machine learning: PyTorch, CUDA, Ray Why Encord Competitive salary, commission, and meaningful equity in a high-growth startup Strong in-person culture ...