Website leanspace_io Leanspace

Leanspace is a European space company which has built the first cloud platform for space missions. Our cloud services enable aerospace engineers to easily build powerful cloud-native software and to migrate space systems to the cloud. Our customers are some of the hottest NewSpace companies in the world, and also large established space organizations, ranging from satellite operators for earth observation, in-orbit services and IoT, to launcher companies and software integrators. 

Having raised so far 10M€, and backed by world-class VC firms such as Karista and 42CAP, we are building an ambitious, diverse and international company with respect and ownership at the core. Today with a team of 40 (20 nationalities!), we are now consolidating with a few last key hires before starting next year with a new scaling up phase to further develop the platform and bring it to the global space market.

We are based in Strasbourg, France, a beautiful and vibrant city that offers a rich culture, easy access to nature and a fast-growing startup scene. Strasbourg is a highly international city, host of the European institutions, and located at the heart of Europe, near Germany and Switzerland.

We are looking for top engineering talents to help us digitalize the space industry. Join us!


We are recruiting an (intermediate) UI Engineer who specializes in front-end javascript frameworks, specifically React.

You will play a key role in our R&D activities, to build a state-of-the-art user interface for the Space industry, using best-practices for React.js. You will work with a team of UI and Back-end developers following a Agile process. You will be expected to follow our best practices for state handling, component development, unit testing, and clean coding practices. You will help other UI developers to deliver the solutions according to our engineering standards.

Your profile

We expect you to have 4-5 years of experience. You will review pull requests of other developers, and implement new features relatively independently.


We expect you to have significant proficiency with these technologies, and 4-5 years experience in UI development.

  • React.js, react-query, JSX, ES6 and Typescript.
  • CSS, LESS or SASS.
  • npm/yarn.
  • Ant Design, Material UI and other component library experience
  • Single page app design with complex state management between components.
  • Javascript unit testing frameworks, mocking.
  • Ability to review code from other developers.
  • Code management tools: git, jira, etc.
  • Experience working in Agile Scrum teams.
  • Interest in the space sector.
  • Fluent in English.
  • Living in, or willing to relocate to Strasbourg.


  • Test automation frameworks
  • Other frontend frameworks: Angular, Vue, Bootstrap
  • Full stack development experience
  • Nodejs back-end development
  • AWS development, especially Lambda functions
  • Experience with Figma or similar tools 
  • Experience with enterprise software for engineering (e.g. design tools, assets monitoring, engineering processes)
  • Exposure to the space sector and understanding of the challenges of space missions


  • Create software that will be used operationally to design, build and fly satellites, rockets, and lunar missions. You will have a direct impact on the future of space exploration.
  • Our co-workers are a close-knit, intelligent, and awesome team
  • A family-friendly environment, flexibility in working hours and the possibility to work remotely part of the time
  • We provide assistance to relocation and help with the visa process, if needed
  • A stock options plan that will make you a shareholder and reap the financial benefit of our success
  • Participation of 50% of subscriptions for commuting costs
  • “Carte ticket restaurant” (meal voucher)
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