Contributed to the JetBrains/intellij-community repository by delivering a range of IDE enhancements focused on code completion, static analysis, and Java language support. Over three months, developed and optimized features such as command and constructor completion, improved static import handling, and expanded nullability test coverage using Java and Kotlin. Addressed stability and performance by resolving memory leaks, refining error handling, and safeguarding binary file decompilation. Enhanced developer workflows through UI refinements, inspection improvements, and deprecation of outdated components. Applied skills in code inspection, refactoring, and backend development to reduce friction in large codebases and improve code quality and reliability.