Senior React Fronted 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 - building performant, scalable UI components and data visualisations that make complex satellite data clear, accessible, and actionable for users across the platform.

You’ll be:

• 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

Do you have experience in TypeScript?, * 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

At Open Cosmos we are solving the world’s biggest challenges from space, providing businesses, governments and researchers access to more readily available information than ever before - ready for the challenge? Then read on…

Working in our Data Division

At Open Cosmos, our Data division transforms satellite data into meaningful insights that drive real-world impact. The team delivers all data products generated by Open Cosmos and its partners, curates and develops DataCosmos (our geospatial data platform) and builds integrations that make satellite imagery easy to access and act on., When applying, please submit your CV in English.

Why Open Cosmos?

• Work at the cutting edge of space technology with customers around the globe
• A mission-driven company making space accessible to help solve real-world challenges
• A diverse, ambitious, and supportive team

Equal opportunity employer

At Open Cosmos, we are dedicated to fostering a workplace built on respect, dignity, and belonging. As an equal opportunity employer, we actively challenge bias to ensure every candidate and employee feels truly welcome. We celebrate diversity in all its forms and are committed to maintaining an inclusive environment where everyone has the opportunity to thrive.

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