Jobgether is seeking a founding AI Evaluation Engineer based in Spain to design and build scalable evaluation and observability infrastructure for AI agents. You will create automated testing for complex reasoning, multi-turn conversations, and API interactions, driving reliability and safety across production systems. You will own the evaluation architecture end-to-end, implement robust regression tests, cost-aware optimizations, and adversarial scenarios, while collaborating with distributed #J-18808-Ljbffr