1 to 25 of 68 React Jobs in the City of London

looking for a skilled Senior Frontend Developer with strong experience in TypeScript and React Native to join our development team. In this role, you will build scalable, high-performance web applications and work closely with cross-functional teams to deliver outstanding user experiences. This is initially a six-month contract … week in the London office, and is full-time at 40 hours per week. Key Responsibilities: Develop and maintain scalable, responsive applications using React.js, React Native, and TypeScript Work closely with UX/UI designers to deliver intuitive and engaging interfaces Write clean, efficient, and maintainable code following best practices ...

interact with databases efficiently Familiarity with Python, Java, Swift, C, C++ and/or Objective-C ; and JavaScript and/or Typescript/React is a plus ...

interact with databases efficiently Familiarity with Python, Java, Swift, C, C++ and/or Objective-C ; and JavaScript and/or Typescript/React is a plus ...

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 ...

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 ...

components Experience enabling data scientists and engineers with Python-based development workflows and tooling Technology Stack: Azure Cloud Services C# (.NET 10) Python React.js and modern JavaScript (ES6+) Snowflake (Data Warehouse) Apache Airflow Terraform dbt SQL Server ...

Inside IR 35, hybrid working. Initially 6-9 months About the role: Experience with C#/.NET Additional languages highly desirable ie Java, Python React/TypeScript RESTful API design Apache Kafka PostgreSQL Git/GitHub workflows Experience with Kubernetes deployments; able to build CI/CD pipelines About ...

domain modelling, integration patterns, and performance considerations. Experience with Entity Framework Core code-first migrations and data modelling. Strong front-end engineering skills in React and TypeScript, including component architecture, state management, and integration with REST/SignalR backends. Solid understanding of event-driven architectures. Hands-on experience with PostgreSQL ...

styles and needs. Desirable technical skills include: Full Stack Development with Java and Spring Boot Python Quants JavaScript UI/UX with Angular or React SQL/Relational Databases - Oracle, MySQL, PostgreSQL Cloud Computing, preferably with AWS Foundational AI skills: Copilot chat, coding assistants, prompting, RAG, and agents ...

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 ...

platforms and code-based approaches (Python, PySpark, SQL) Developing user-facing applications, dashboards, and workflows using modern front-end tools such as TypeScript and React Supporting the design and evolution of data architectures that unify multiple systems into a single operational view Embedding AI capabilities into applications using modern ...

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 ...

ownership of features and systems, from design through to production Comfortable working across the stack, including frontend development with TypeScript and React Thrive in early-stage. fast-paced environments High ownership mindset with strong problem-solving skills Bonus Points Early-stage start-up experience Experience building or working with ...

Understanding of financial markets or trading systems. Knowledge of FCA Market Abuse Regulation. Experience in performance optimisation and profiling. Familiarity with modern UI frameworks (React, Typescript). Exposure to containerisation and orchestration tools. Understanding of architectural frameworks and best practices. Knowledge of AWS or other cloud platforms. ...

understanding of mortgage origination/administration systems or comparable regulated financial platforms. Experience delivering and operating web-based MVC applications (e.g., Ruby on Rails, React) and APIs. Skilled in designing, managing and optimising relational SQL databases. Hands-on knowledge of cloud platforms (Azure or GCP) and cloud-native architectures. Broad ...

will be your team. What experience is needed? Team Lead/Line Management experience 5+ years building Ruby on Rails experience Financial services experience React or other JavaScript frameworks Azure environment experience Web-based MVC applications and APIs DevOps best practice - CI/CD pipelines Excellent comm's What ...

Skills & experience: You will be a strong engineering leader who builds high-performing, motivated and curious teams. Strong Technical background in Ruby on Rails, React, JavaScript, SQL, Cloud platforms (Azure or GCP) and cloud-native architecture, broad engineering experience across DevSecOps, automation, CI/CD, Infrastructure, monitoring and security best ...

production SaaS, 3+ as tech lead, principal engineer Shipped 3D in the browser (Autodesk Forge/APS, Three.js, Cesium, or similar) Strong TypeScript/React/Postgres; comfortable with serverless and edge runtimes Geospatial experience: PostGIS, Mapbox/Cesium, coordinate transforms Taken a product through an enterprise security review Ready ...

with software/proven experience in taking user and business needs from initial prototype to solution, using modern frontend stack e.g. e.g. JavaScript, ReactJS, Vue, Razor An understanding of design systems beyond a kit of styled components. Style, font, colour are the tools to communicate with users. e.g. Material ...

backend is primarily C#, with the emphasis on distributed, event-driven, high-throughput systems built for production rather than demonstration. The frontend is React, built for performance and clarity in a real-time trading environment. That said, the firm is genuinely open on both sides. We consider strong engineers from ...

firm in London is looking for an Applications Developer who can work across the full stack: ASP.NET MVC, SharePoint (on-prem and Online), SQL, React, Power Platform, and everything in between click apply for full job details ...

Engineers to their team. The team are open to hiring pure backend engineers, or full-stack engineers. Their technical stack is Rust , Typescript and React on the frontend. They do not require any experience in any of these technologies , the team hire on pure technical acumen rather than years ...

Engineers to their team. The team are open to hiring pure backend engineers or full-stack engineers. Their technical stack is Rust , Typescript and React on the frontend. They do not require any experience in any of these technologies ; the team hire on pure technical acumen rather than years ...

Core MVC application development • C# and Web API development • SQL Server, Entity Framework & SSRS • Power Platform (PowerApps/Power Automate) • Front-end technologies including React, Angular, jQuery & Bootstrap You’ll be working across a mix of: Custom SharePoint solutions Enterprise workflow automation Internal web applications Systems integration projects Reporting ...