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Kirill Shirokov

PROFILE

Kirill Shirokov

Over a three-month period, this developer contributed to openjdk/leyden, corretto/corretto-17, openjdk/jdk21u-dev, and corretto/corretto-21, focusing on backend reliability, packaging, and code quality. They improved JIT testing frameworks by refining static initialization block handling and enhanced security robustness in CodeSource for openjdk/leyden. In corretto/corretto-21, they optimized JDK image size and standardized Linux packaging by restructuring tar archives and introducing a '/release' directory, supporting more predictable deployments. Their work emphasized clean code practices, build automation, and thorough testing, leveraging Java, Python, and Gradle to deliver maintainable solutions that improved release consistency and runtime correctness across repositories.

Overall Statistics

Feature vs Bugs

43%Features

Repository Contributions

8Total
Bugs
4
Commits
8
Features
3
Lines of code
177
Activity Months3

Your Network

1978 people

Shared Repositories

368
Jan KratochvilMember
John JiangMember
Roman MarchenkoMember
Aleksei VoitylovMember
SendaoYanMember
Sergey BylokhovMember
Francisco Ferrari BihurrietMember
Severin GehwolfMember
Aleksey ShipilevMember

Work History

February 2026

2 Commits • 1 Features

Feb 1, 2026

February 2026: Delivered Linux packaging enhancements for corretto-21, increasing packaging completeness and release reliability. Implemented a '/release' directory and reorganized the tar archive so the release file sits alongside root text files, aligning Linux packaging with existing platform conventions. No major bugs documented this month; primary impact was strengthening release verification and downstream deployment readiness. Demonstrated expertise in Linux packaging, tarball manipulation, and release-driven software engineering.

January 2026

3 Commits • 1 Features

Jan 1, 2026

January 2026 contributions focused on correctness, security robustness, and image-size optimization across openjdk/jdk11u-dev, openjdk/leyden, and corretto/corretto-21. Notable outcomes include fixes to ensure proper control-flow in JITTester, robust handling of code signers in CodeSource, and a packaging optimization option to reduce JDK root size while preserving compliance.

December 2025

3 Commits • 1 Features

Dec 1, 2025

December 2025: Key deliverables across openjdk/leyden, corretto/corretto-17, and openjdk/jdk21u-dev focused on code quality, JIT testing reliability, and cross-repo collaboration. Notable changes include the code hygiene cleanup in x86-asmtest.py for Leyden and fixes for static initialization blocks in JIT testing with backports to reflect stable execution paths.

Activity

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Quality Metrics

Correctness100.0%
Maintainability95.0%
Architecture95.0%
Performance97.6%
AI Usage20.0%

Skills & Technologies

Programming Languages

GroovyJavaPython

Technical Skills

GradleJIT CompilationJavaJava developmentLinux packagingPython scriptingSoftware DevelopmentTestingback end developmentbuild automationclean code practicesunit testing

Repositories Contributed To

5 repos

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

corretto/corretto-21

Jan 2026 Feb 2026
2 Months active

Languages Used

Groovy

Technical Skills

GradleJava developmentbuild automationLinux packaging

openjdk/leyden

Dec 2025 Jan 2026
2 Months active

Languages Used

PythonJava

Technical Skills

Python scriptingclean code practicesJavaback end developmentunit testing

corretto/corretto-17

Dec 2025 Dec 2025
1 Month active

Languages Used

Java

Technical Skills

JIT CompilationJavaTesting

openjdk/jdk21u-dev

Dec 2025 Dec 2025
1 Month active

Languages Used

Java

Technical Skills

JavaSoftware DevelopmentTesting

openjdk/jdk11u-dev

Jan 2026 Jan 2026
1 Month active

Languages Used

Java

Technical Skills

JavaSoftware DevelopmentTesting