google/error-prone
Mar 2025 – Jan 2026
2 Months active
Languages Used
Java
Technical Skills
Bug FixingJava DevelopmentStatic AnalysisJavaSoftware Testing
Mikkel Kjeldsen
PROFILE
Mikkel Kjeldsen
Over a three-month period, this developer contributed to static analysis tooling for Java, focusing on the google/error-prone and uber/NullAway repositories. They enhanced the IdentifierName Bug Checker to support unnamed variables introduced in JDK 22, adding targeted test coverage for new Java features. In NullAway, they improved compatibility with Spring Framework 6.2 by ensuring new testing annotations were correctly ignored during static analysis, reducing false positives for migrating teams. Their work also addressed suppression conflicts in Error Prone, aligning UnusedException handling with Java 22 syntax. Throughout, they demonstrated expertise in Java development, static analysis, and annotation processing for evolving codebases.
Overall Statistics
Feature vs Bugs
67%Features
Repository Contributions
3Total
Bugs
1
Commits
3
Features
2
Lines of code
96
Activity Months3
Your Network
56 peopleShared Repositories
56
Work History
January 2026
1 Commits • 1 Features
Jan 1, 2026January 2026 monthly summary focusing on business value and technical achievements for the google/error-prone project. Deliverables centered on improving suppression UX and consistency across related checks, aligning with Java 22 syntax changes, and reducing false positives in static analysis.
1 Commits • 1 Features
Jan 1, 2026January 2026 monthly summary focusing on business value and technical achievements for the google/error-prone project. Deliverables centered on improving suppression UX and consistency across related checks, aligning with Java 22 syntax changes, and reducing false positives in static analysis.
January 2026
March 2025
1 Commits • 1 Features
Mar 1, 2025March 2025 monthly summary for google/error-prone. Delivered a feature to the IdentifierName Bug Checker to support unnamed variables in JDK 22, plus test coverage for JDK 22 preview features. Strengthened static analysis for modern Java constructs and improved reliability for teams migrating to JDK 22.
March 2025
1 Commits • 1 Features
Mar 1, 2025March 2025 monthly summary for google/error-prone. Delivered a feature to the IdentifierName Bug Checker to support unnamed variables in JDK 22, plus test coverage for JDK 22 preview features. Strengthened static analysis for modern Java constructs and improved reliability for teams migrating to JDK 22.
February 2025
1 Commits
Feb 1, 2025February 2025: NullAway compatibility work with Spring Framework 6.2 annotations. Implemented a focused fix to ignore the new Spring testing annotations @MockitoBean and @MockitoSpyBean, ensuring accurate static analysis for codebases using these annotations. The change preserves analysis reliability while enabling seamless migration paths for Spring 6.2 projects.
1 Commits
Feb 1, 2025February 2025: NullAway compatibility work with Spring Framework 6.2 annotations. Implemented a focused fix to ignore the new Spring testing annotations @MockitoBean and @MockitoSpyBean, ensuring accurate static analysis for codebases using these annotations. The change preserves analysis reliability while enabling seamless migration paths for Spring 6.2 projects.
February 2025
Activity
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Quality Metrics
Correctness100.0%
Maintainability100.0%
Architecture100.0%
Performance100.0%
AI Usage20.0%
Skills & Technologies
Programming Languages
Java
Technical Skills
Bug FixingJavaJava DevelopmentSoftware TestingSpring FrameworkStatic AnalysisTesting
Repositories Contributed To
Overview of all repositories you've contributed to across your timeline
uber/NullAway
Feb 2025 – Feb 2025
1 Month active
Languages Used
Java
Technical Skills
Java DevelopmentSpring FrameworkStatic AnalysisTesting