Jeff Bailey is a seasoned Senior Mobile App Developer with over a decade of experience in building enterprise and consumer applications for Apple's iOS devices. He has contributed significantly to six apps across three large companies and authored three apps on the Apple App Store. Bailey has a strong command of Swift, SwiftUI, Objective C, C++, UIKit, Storyboards, and other iOS technologies. He specializes in building iPhone, iPad, and Apple Watch apps and has extensive experience in Core Location, HealthKit, Core Data, Nearby Networking, Grand Central Dispatch, watchOS, WatchKit, Localization, AVFoundation, and PDFKit, among others.

Bailey has a Bachelor of Applied Science degree in Mathematics and Computer Science from Kent State University. He has worked for several notable organizations such as IGS, FourthFrame Technologies, NetJets, Abercrombie & Fitch, and Decision Sciences Corporation. Bailey has a comprehensive understanding of Enterprise Java Development, JEE, Software Architecture, Distributed Systems, Service Oriented Architecture, and Real-time Embedded Systems.

Bailey has developed two successful applications in the field of fitness and running, Intervals Pro, and None to Run. With more than a million downloads and over a hundred thousand active users, these applications have made an impact in their respective fields.