Iurii Chulovskyi is a Senior Software Engineer based in Krakow with over 20 years of Java backend experience and a decade-plus of professional enterprise work, currently building configuration systems for hundreds of CRM clients at Clari. He specializes in pragmatic product-driven engineering: designing new features with PMs, simplifying architectures, and migrating services to reduce costs and improve reliability — once cutting DB index footprints to save the company more than $100K/year. A pragmatic contributor to notable open-source projects like Checkstyle and CodeNarc, he brings deep knowledge of Java syntax, static analysis, and test automation to improve code quality and eliminate subtle defects. Comfortable across cloud environments and databases, he pairs hands-on coding with guardrails and cross-team collaboration to keep large systems maintainable and consistent.
11 years of coding experience
20 years of employment as a software developer
Bachelor of Science (BS), Automation Engineer Technology/Technician, Bachelor of Science (BS), Automation Engineer Technology/Technician at Ivano-Frankivsk National Technical University of Oil and Gas
Specialist, Accounting, Specialist, Accounting at Vasyl Stefanyk Carpathian National University
Contributions:11 commits, 13 PRs, 24 comments in 1 year 8 months
Contributions summary:Iurii primarily contributed to enhancing the code quality of the CodeNarc project through test-related changes. They fixed several issues related to rule implementations by modifying existing test cases and adding new ones. Their contributions included correcting false positives and negatives within the rule engine, specifically related to code formatting and method parameter counts.
Checkstyle is a development tool to help programmers write Java code that adheres to a coding standard. By default it supports the Google Java Style Guide and Sun Code Conventions, but is highly configurable. It can be invoked with an ANT task and a command line program.
Role in this project:
Back-end Developer
Contributions:22 commits, 8 PRs, 29 comments in 6 months
Contributions summary:Iurii primarily focused on improving the Checkstyle tool's Java code analysis capabilities. They addressed specific issues related to parsing numeric constants, redundant modifiers, and whitespace, demonstrating a strong understanding of Java syntax and code structure. Their contributions also involved enhancing the JavadocVariable check by adding an ignore option. Furthermore, the user addressed defects in the existing codebase.
ant-taskinvokedcode-qualityconventionscheckstyle
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Iurii Chulovskyi - Senior Software Engineering at Clari