Andrey K.
Senior Java Backend Developer Full Stack @Bergmann Infotech
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WORK HISTORY
Senior Java Backend Developer Full Stack @Bergmann Infotech
Stuttgart, DE
Rewrote the synchronization service, increasing performance 10x and adding scalability support Reduced all API response time from 2+ to 0.15s using caching and asynchronous processing Designed and built 6 complex production-ready microservices from scratch Optimized access control checks, improving validation speed by 4x Achieved 95% unit test coverage by writing 694 unit tests, significantly improving code reliability Resolved all SonarQube issues, reducing technical debt to 0 everywhere Mentored and onboarded 5 new team members, accelerating their integration into the team
ABOUT ANDREY K.
Results-driven Senior Java Backend Developer with 11+ years of experience in Java-based…
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