Real-Time AdTech Go Backend Lead

PVH (Tommy Hilfiger/Calvin Klein) in Spain is seeking an experienced Back-End Developer to design and implement real-time bidding, optimization, and ad delivery workflows. You will build high-load, low-latency services and bespoke bidding agents to drive campaign performance.

The role requires strong Golang production experience, deep knowledge of distributed systems, and familiarity with OpenRTB, JSON, protobuf, and modern observability stacks.