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Serhii Manko

PROFILE

Serhii Manko

Worked on the openrewrite/rewrite and openrewrite/rewrite-static-analysis repositories, delivering targeted improvements in code style enforcement and configuration parsing. Developed a visitor-based Java import order standardization recipe, integrating Checkstyle’s CustomImportOrder rules directly into the static analysis workflow to improve code consistency. Extended the XmlParser to support .props files, broadening compatibility with .NET configuration formats. Addressed version management by refining Semver.max to handle non-numeric version components through lexicographic comparison, ensuring accurate ordering. Leveraged Java, YAML, and static analysis techniques, with a focus on test-driven validation and repository-wide maintainability. Demonstrated depth in build tools integration, refactoring, and code formatting.

Overall Statistics

Feature vs Bugs

75%Features

Repository Contributions

4Total
Bugs
1
Commits
4
Features
3
Lines of code
1,146
Activity Months1

Work History

May 2025

4 Commits • 3 Features

May 1, 2025

May 2025 performance snapshot: Delivered targeted improvements in import order standardization, extended file parsing coverage, and robust version handling. Key features and enhancements include: - Custom Import Order Styles for Checkstyle integrated with rewrite: configuration loading, parsing and application of custom import order rules; added test validating loading of custom import order styles. - XmlParser extended to support .props extension, broadening support for .NET project configuration files. - Java Import Order Standardization recipe added to rewrite-static-analysis, introducing a visitor-based reordering workflow and integrating the recipe into the static analysis pipeline. Major bug fixes: Semver.max now correctly handles non-numeric major/minor components by falling back to lexicographic comparison, preventing incorrect version ordering. Overall impact: Improves code consistency and maintainability across repositories, supports broader configuration formats, and reduces automated refactor risks by strengthening static analysis. Technologies/skills demonstrated: Java AST/visitor patterns, parsing and configuration loading, test-driven validation, semantic versioning, static-analysis integration, repository knowledge.

Activity

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Quality Metrics

Correctness95.0%
Maintainability95.0%
Architecture95.0%
Performance85.0%
AI Usage20.0%

Skills & Technologies

Programming Languages

JavaYAML

Technical Skills

Build Tools IntegrationCode FormattingCode Style ConfigurationJavaJava DevelopmentRefactoringSoftware DevelopmentStatic AnalysisTestingVersion ManagementXML Parsing

Repositories Contributed To

2 repos

Overview of all repositories you've contributed to across your timeline

openrewrite/rewrite

May 2025 May 2025
1 Month active

Languages Used

Java

Technical Skills

Build Tools IntegrationCode Style ConfigurationJavaRefactoringSoftware DevelopmentTesting

openrewrite/rewrite-static-analysis

May 2025 May 2025
1 Month active

Languages Used

JavaYAML

Technical Skills

Code FormattingJava DevelopmentRefactoringStatic Analysis