Senior React Frontend Developer (Data)

As a Senior React Fronted Developer in the Data Team you will lead the design and development of the interfaces that bring the DataCosmos platform to life 6 building performant, scalable UI components and data visualisations that make complex satellite data clear, accessible, and actionable for users across the platform.

Responsibilities

• Designing, developing, and maintaining React-based user interfaces for data exploration, visualisation, and delivery
• Building intuitive and performant UI components to handle large and complex datasets
• Implementing reusable, scalable front-end architecture and component libraries
• Translating data requirements into clear, accessible, and user-friendly interfaces
• Working closely with data and backend engineers to integrate APIs and data services effectively
• Optimising front-end performance when handling high-volume or real-time data
• Writing and maintain unit and integration tests to ensure reliability and robustness
• Participating in code reviews, ensuring adherence to front-end best practices and coding standards
• Contributing to CI/CD pipelines for front-end deployment and release
• Providing technical guidance on React architecture, state management, and data handling patterns
• Acting as a subject matter expert for front-end development within data-driven applications
• Identifying opportunities to simplify, optimise, and enhance data visualisation and UI performance
• Ensuring front-end solutions support clarity, usability, and efficiency for both technical and non-technical users

What You ll Bring

• Strong proficiency in React and TypeScript, with the ability to design scalable and maintainable front-end systems
• Deep understanding of modern front-end development practices, including HTML, CSS, and component-based architecture
• Strong capability in building data-driven interfaces and working with APIs and asynchronous data flows
• Confident use of state management approaches like Redux, Zustand, Context, or similar
• Familiarity with data visualisation libraries (e.g. D3.js, Recharts, or similar)
• Strong understanding of front-end performance optimisation, particularly for large or complex datasets
• Understanding of CI/CD concepts and cloud-native environments
• Ability to structure, transform, and present complex data effectively in the front end
• Strong understanding of version control systems (Git) and collaborative development practices
• Clear and effective communication, with the ability to work across technical and non-technical teams
• Ability to take ownership of front-end architecture, overall user experience and setting high standards for code quality, usability, and performance.
• Proactivity in identifying and driving improvements across systems and workflows and providing guidance and support to other engineers, contributing to team capability
• A collaborative and solution-oriented approach, working effectively across disciplines, operating in a fast-paced, scaling environment with evolving priorities