You will be working with an experienced iOS/macOS software team shipping products to millions of customers. Your primary focus will be improving quality of shipping iOS / macOS features. Daily responsibilities will included triaging issues, fixing bugs and implementing design improvements. Several years of Objective-C / Swift experienceStrong understanding of UIKit & Foundation frameworksExperience with the Xcode & Instruments tools for debugging bugs and performance issuesAppKit knowledge is a plusXCTest framework understanding is a plus