Contributed to the JetBrains/intellij-community repository by delivering targeted improvements to core tracing components and process output handling. Focused on backend development using Kotlin, the work involved clarifying internal APIs through the addition of @Internal annotations, which enhanced maintainability and delineated internal usage boundaries. Addressed concurrency challenges by implementing a buffer update mechanism that safely manages process output, preventing BufferOverflowException and ensuring data integrity during concurrent operations. These changes supported the broader goal of reducing technical debt and improving subsystem reliability, particularly during benchmarking and tooling runs, while demonstrating a strong grasp of concurrent programming principles and robust backend engineering practices.