Don Angelillo is a mobile engineering leader and founder with 11 years of focused experience building native iOS apps, mobile-first APIs, and engineering cultures for product teams. As Principal Consultant at Nativity Mobile he has rescued legacy codebases used by large enterprises, architected SwiftUI foundations and type-safe navigation, and shaped backend contracts to prioritize mobile performance. He has led mobile efforts at organizations including Caesars, PGA TOUR, Newsela and Everyday Health, influencing cross-team architecture, performance profiling, and App Store successes. A hands-on builder and entrepreneur, he ships end-to-end products—from LAMP backends to App Store releases—and maintains notable open-source work like an Alamofire RSS parser. He’s skilled at translating product needs into simple, platform-native engineering patterns and has pioneered AI-assisted, domain-specific developer workflows in his client codebases. Based in the United States, Don combines technical depth with pragmatic leadership that earns buy-in across flat organizations.
11 years of coding experience
22 years of employment as a software developer
Bachelor of Arts, Psychology, Bachelor of Arts, Psychology at Boston College
Contributions:6 pushes, 1 branch in 5 years 9 months
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Don Angelillo - Founder Principal Consultant at Nativity Mobile