Max worked on the DataDog/dd-sdk-ios repository, focusing on restoring stability to the core metrics pipeline by reverting and consolidating previous benchmark metrics changes. He refactored the Benchmarks enum to enable metrics and tracers directly, ensuring backward compatibility and simplifying the codebase by removing unnecessary references to BenchmarkMeter.swift. His approach aligned metrics instrumentation with the existing architecture, minimizing risk and improving maintainability. Using Swift and leveraging skills in benchmarking, OpenTelemetry, and performance monitoring, Max addressed a critical bug rather than adding new features, demonstrating depth in maintaining robust iOS development practices and ensuring the reliability of performance metrics instrumentation.