Hybrid Fraud Analytics Engineer – Data-Driven Defender

Kleinanzeigen, Germany's leading online classifieds, seeks a technical fraud analyst to join our growing fraud team. You’ll work at the intersection of data, product, engineering, and CS to identify fraudulent behaviour, monitor for credential stuffing attacks, and build proactive rule-based defenses. This hybrid role is based in Barcelona, Spain. You’ll influence the roadmap and collaborate with engineers, product, and CS to keep Kleinanzeigen safe while advancing detection capabilities. J-188…