Ivan Kosovych
Senior Java Software Engineer at Avenga
Gdansk Metropolitan Area Poland
Summary
🤩
Rockstar🎓
Top SchoolIvan Kosovych is a Senior Java Software Engineer with over 7 years building high-load, production-grade systems across retail, utilities, and laundry management domains. He specializes in modern Java (up to Java 21), Spring ecosystem, Hibernate, and cloud deployments (AWS/Azure), with hands-on experience in both monoliths and microservices, event-driven architectures and resilient patterns like circuit breaker and retry. Ivan has repeatedly improved system reliability and performance—leading migrations, optimizing queries and introducing parallel job execution that cut processing time and increased operational efficiency. He also mentors aspiring engineers, running practical code reviews and hands-on sessions that reinforce real-world practices in multithreading, testing and DevOps. Known for simplifying complex problems into maintainable solutions, he pairs rigorous attention to quality with a pragmatic focus on deliverable business outcomes. Based in Gdansk, he brings a blend of production engineering and teaching experience that accelerates team ramp-up and continuous improvement.
7 years of coding experience
5 years of employment as a software developer
System Engineering, Institute of Information Technologies, System Engineering, Institute of Information Technologies at Ivano-Frankivsk National Technical University of Oil and GasBobocodeComputer Programming, Computer Programming at Information & Education Center
English, Ukrainian, Polish
Github Skills (13)
lombok8
maven6
junit6
reflection6
java5
dependency-inversion5
annotation-processor4
tomcat4
embedded3
jdbc3
postgresql3
dependency-injection2
junit-jupiter2
Programming languages (1)
Github contributions (5)
Ivan95kos/MyFirstProject
Aug 2018 - Jan 2019
Contributions:20 pushes, 4 branches in 4 months
mykhailoKrlKrk/book-store
Sep 2023 - Oct 2023
Contributions:9 reviews, 6 comments in 20 days
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