Erwin Mazariegos is a seasoned Staff Engineer based in Austin with over two decades crafting user experiences and 13 years focused on iOS, having built or contributed to 30 iOS apps since 2008. He blends startup agility and enterprise rigor—often as the first mobile hire or sole iOS engineer—delivering polished, custom look-and-feel apps and rescuing legacy codebases. Technically fluent across SwiftUI, Combine, Objective-C, Python, Ruby and SQL, he also authors reusable Swift packages (including crypto-related modules) and creates CI/tooling that accelerates team delivery. A founder and product-minded engineer, he has launched startups and consumer apps (pTracker, PhoneWatcher) and led cross-functional work from requirements to support. Notably, he re-architected production crypto-credential apps and produced App Clip and Watch integrations, showing a knack for shipping security-sensitive, platform-polished features.
13 years of coding experience
21 years of employment as a software developer
University of Texas at San Antonio
BSME Mechanical Engineering, BSME Mechanical Engineering at Texas A&M University
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