During July 2025, Sandeep Koppula centralized code signing configuration for the Esri/arcgis-maps-sdk-swift-toolkit repository, focusing on stabilizing continuous integration and streamlining build processes. He introduced a TestRunner.xcconfig file, ensuring both Debug and Release targets referenced a unified configuration, which reduced manual signer overhead and improved build maintainability. By defaulting code signing to automatic, Sandeep simplified CI integration and minimized signing-related build failures, resulting in faster CI cycles and easier onboarding for new contributors. His work demonstrated proficiency in Xcode configuration, iOS development, and the Swift language, addressing a core infrastructure challenge with a targeted, maintainable engineering solution.