Python Backend Developer – Ghent (on-site, full-time)
About Wattloop
Wattloop provides instant diagnostics for end-of-life EV batteries. Our plug-and-play system assesses battery safety and state-of-health on the spot, pushing all data to the cloud — enabling faster decisions on repair, repurposing, and resale. We serve recyclers, dismantlers, and deep discharge operators who need reliable, affordable alternatives to diagnostic equipment.
The Role
You'll own core parts of our Python backend that powers our diagnostic platform. This means building and maintaining REST APIs, managing the data pipeline from device to cloud, and integrating new battery models into our assessment system.
What we're looking for
- 2+ years of professional Python experience
- Strong OOP, API design, and database skills (schema design, query optimization)
- Comfortable owning features end-to-end with minimal hand-holding
- Automotive protocol experience (CAN, UDS) is a plus
For example, you'll work with
- Python (Flask, Django, FastAPI)
- PostgreSQL, SQLAlchemy
- CAN/UDS automotive protocols (big plus)
- Docker
Who fits
You like having real ownership over what you build. You're comfortable making calls with incomplete information and iterating fast. You want to see your work matter, and learn fast. Most of all, you enjoy what you do and who you do it with.
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