Frontend Engineer

Our Mission 

At constellr, we're harnessing the power of space to solve one of Earth’s greatest challenges: climate resilience & security in a changing world. Our thermal satellite constellation delivers the most accurate land surface temperature data on the market, equipping commercial players, governments, defence agencies, and global institutions with the thermal intelligence they need to make strategic decisions– from national security and infrastructure to agriculture and climate resilience. 
 
As a fast-scaling company with offices in Brussels, Freiburg, Munich, Washington and Toulouse, our multidisciplinary team of engineers, scientists, and strategists is building the future of space-based Earth observation

Your Role 

To achieve our goals, we need to build a state-of-the-art Data Platform, which transfers our satellite data to the cloud, where we process, enrich, and deliver analysis-ready geospatial data to internal and external customers. This data platform will comprise a User Interface to request, query and access the data. 

As our Frontend Engineer, you will be contributing to the development of this User Interface, focusing especially on the User Frontend and its connection to the Data Pipeline. You will have a key role in designing and implementing the frontends and connecting to the APIs developed by the team, while using modern technologies, including Next.JS, Tailwind CSS, FastAPI, Selenium, and more. 

• Key Responsibilities

• Driving the design and development of application frontends for various desktop and web projects, implementing both client-side and server-side logic. 

• Managing the delivery and timeline of the frontend projects. 

• Working with the Delivery team, the Customer Success Managers and your Product Owner to triage and categorize and prioritize user feedback. 

• Managing the deployment and testing of these solutions within our CI/CD pipeline. 

• Keeping up to date with and evaluation of new technologies and frameworks and standards. 

Location:  This position is offered on a hybrid or remote basis in Germany, France, or Belgium. We have offices in Munich, Berlin, and Freiburg (Germany), Toulouse (France), and Brussels (Belgium). Occasional travel to Germany for team meetings should be expected.

About you

Required: 

• Motivated, curious and inquisitive team player, who is not afraid to question the status quo, and a can-do mentality to bring ideas into action. 

• Confident programming abilities, specifically in Typescript and Python. 

• Has a good understanding of testing (unit, integration and end-to-end) and experience in working with test suites (e.g., Jest) and interface testing tools (e.g., Selenium). 

• Has a proven track record in building user frontends and their integration in fast-moving environments. 

• Fluent in English.

Nice to Have: 

• Have worked in the EO sector and/or NewSpace startups. 

• Have experience with Next.JS, Tailwind CSS, FastAPI, Selenium, ... 

• Have any other experiences which you believe would bring extra value to the team. 

• Have knowledge of cloud technologies and containerization.  

Why constellr?

• Be part of an ambitious mission to launch the world’s first commercial thermal infrared constellation. 

• Flexible work setup with remote and hybrid options. 

• Competitive compensation, including Virtual Share Option Plan (VSOP) for permanent employees. 

• Join a team committed to diversity, inclusion, and scientific excellence. 
  

At constellr, we are committed to fostering an inclusive and welcoming workplace. We are an equal-opportunity employer and believe that diversity fuels innovation, creativity, and the ability to tackle complex challenges effectively. We encourage individuals from all walks of life to join us on our mission to reduce global food insecurity.