Senior Java Backend Engineer - Real-Time, Scalable Systems
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Summary
Senior backend engineer at DOU Polska building a cloud-native, real-time advertising platform in Wrocław — developing low-latency Java services, scaling distributed systems for millions of users, and contributing to performance optimization, end-to-end testing, CI/CD, and documentation.
DOU Polska is seeking a Software Engineer to join a cloud-native, real-time advertising platform. Lead backend development for low-latency services and collaborate with a team of engineers to scale the system for millions of users.
You will work on distributed architectures, performance optimizations, and end-to-end testing while contributing to CI/CD improvements and technical documentation.