Principal Backend Engineer AI Engineering & Architecture (d/f/m)

Description Kleinanzeigen is Germany's most-visited classifieds platform — over 50 million items, 35 million unique monthly users, and roughly 50% of the German internet population reached. We are at a pivotal moment: not just growing, but changing the fundamental structure of how we build software. This is not a team role. It is one of the most consequential individual-contributor positions we are opening as we enter a period of genuine disruption in software engineering. You will report direc…