Senior Java Backend Engineer — Real-Time, Scalable

DOU Polska is seeking a Software Engineer to advance a scalable, real-time advertising platform. You will join a cloud-native team to build low-latency, distributed backend services that handle millions of QPS and data streams across geographies.

You’ll work with top engineers to push performance and reliability at scale. The role emphasizes ownership, solution design, and collaboration in a modern stack including Java and cloud services.