Oleh Kushniryk
Java Software Engineer at SoftServe
Ivano-Frankivsk Oblast, Ukraine
Summary
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Rockstar🎓
Top SchoolOleh Kushniryk is a Java software engineer with 11 years of professional experience, currently developing enterprise solutions at SoftServe from Ivano-Frankivsk, Ukraine. He holds an Honours Master's degree in Computer Engineering and combines deep backend expertise with practical database engineering skills. As an open-source contributor to the high-profile Liquibase project, he focused on PostgreSQL sequence handling, TimeType improvements, Snowflake integration, and schema-escaping in snapshots—work that reflects attention to compatibility and reliable DB migrations. Known for solving nuanced database-edge cases, he brings a pragmatic, test-driven approach to delivering maintainable backend systems.
11 years of coding experience
Honours Master's degree, Computer Engineering, A, Honours Master's degree, Computer Engineering, A at Halytska Akademiya
Stackoverflow
23reputation
1kreached
0answers
2questions
Github Skills (13)
database-migrations10
javas10
java-libraries10
databases10
database-migration10
postgresql10
liquibase10
java10
database10
sql9
database-administration9
snowflake8
sqlfunction6
Programming languages (3)
Github contributions (5)
liquibase/liquibase
Jul 2020 - Jun 2022
Main Liquibase Source
Role in this project:
Back-end Developer / Database Engineer
Back-end Developer / Database EngineerContributions:20 reviews, 24 commits, 14 PRs in 1 year 11 months
Contributions summary:Oleh primarily focused on database-related tasks within the Liquibase project. They addressed issues related to sequence generation in PostgreSQL, specifically for versions prior to 10, fixing code and adding validation for datatype support. Their work also involved modifying the TimeType datatype and adding tests for it, along with integrating Snowflake as a standalone module. Furthermore, the user contributed to schema escaping in database snapshot calls.
sqlserverdatabase-migrationscontinuous-integrationcontinuous-deploymentdatabase
KushnirykOleh/BookmarkShareTool
Jan 2015 - Aug 2016
Contributions:8 pushes, 7 branches in 1 year 7 months
reactbookmarksshare
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