Worked on the embrace-io/embrace-apple-sdk repository to optimize upload operations by streamlining dependency management within the upload workflow. Focused on removing redundant addDependency calls on serial upload queues, which reduced unnecessary overhead and simplified concurrency control. This refactor improved upload performance and contributed to production-readiness by enabling higher throughput. Collaborated closely with another contributor to ensure code quality and shared ownership of the solution. The work demonstrated strong skills in Swift, iOS development, and concurrency management, with an emphasis on practical, performance-focused engineering. Delivered one feature during the period, addressing synchronization challenges without introducing new bugs or regressions.