Roman Zavada
Infantry Soldier at Armed Forces of Ukraine
Ukraine
Summary
🤩
Rockstar🎓
Top SchoolRoman Zavada is a seasoned project and operations leader with seven years of experience bridging software delivery, client-facing program management, and team operations across Ukraine and Europe. He led project operations and managed deliveries for eCommerce and outsourcing firms before serving as a project manager at EPAM, combining business-focused strategy with hands-on process improvements. Roman also contributes to open-source backend code—making quality-focused fixes and enhancements to the well-known Trino distributed SQL engine—showing a developer mindset alongside his management background. Currently serving as an infantry soldier, he brings resilience, discipline, and crisis-tested leadership to any technical or operational team. Trained in international economics and trade, he pairs commercial acumen with practical software delivery experience to align technical work with business outcomes.
7 years of coding experience
5 years of employment as a software developer
Master's degree, Foreign trade management, Master's degree, Foreign trade management at Simon Kuznets Kharkiv National University of Economics
German, Spanish, English, Ukrainian
Github Skills (6)
query-engine10
javas10
back-end-development10
java10
sql9
distributed-database9
Programming languages (4)
Github contributions (5)
trinodb/trino
Feb 2019 - Feb 2022
Official repository of Trino, the distributed SQL query engine for big data, formerly known as PrestoSQL (https://trino.io)
Role in this project:
Back-end Developer
Back-end DeveloperContributions:141 reviews, 36 PRs, 453 comments in 3 years
Contributions summary:Roman primarily focused on fixing typos, adding comments, and improving error messages within the Trino codebase. Their commits demonstrate familiarity with the Java programming language and core Trino modules. The contributions included addressing minor issues in operator implementations, and testing-related files, suggesting a focus on code quality and maintainability within the Trino project. They also worked on dynamic filtering support in Hive page source and local dynamic filtering.
prestodbdbmsindexingjdbcbigdata
rzeyde-varada/trino
Feb 2019 - Feb 2022
Distributed SQL query engine for big data
Contributions:258 pushes, 67 branches in 3 years
queryhbasekuduquery-enginenosql
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