Dennis Hernandez
Owner Lead Engineer at DoHernandez
Milwaukee, Wisconsin, United States
Summary
👤
Senior🎓
Top SchoolDennis Hernandez is an Owner and Lead Engineer with 10+ years of professional engineering experience and over 20 years supporting Apple ecosystems, combining deep macOS/iOS troubleshooting with hands-on software delivery. He builds end-to-end tools—from a macOS host app for Marlin-based 3D printers to server-side Swift on Ubuntu/AWS—and has a talent for turning support workflows into shipping developer solutions. A gifted teacher and former Apple Creative, he designs training programs and internal tooling that cut onboarding and repair times significantly. His background spans retail sales, claims operations, and datacenter break/fix work, giving him a rare mix of customer-facing empathy and low-level systems skill. Known for pragmatic, easy-to-maintain code, he also brings network and Unix admin experience that informs robust, production-ready deployments.
10 years of coding experience
Bachelor's degree, Computer Science, Bachelor's degree, Computer Science at Portland Community College
Github Skills (10)
controller7
raspberry7
raspberry-pi6
swift6
firmware5
ports3
i2c1
linux1
macos1
opentx1
Programming languages (2)
Github contributions (5)
doHernandezM/SwiftyPi
Sep 2021 - Jan 2023
Swift based Raspberry Pi pin controller.
Contributions:41 releases, 75 commits, 2 PRs in 1 year 4 months
raspberry-piswiftygpiocontrollerraspberryswift
doHernandezM/ApusRubus
Sep 2021 - Apr 2023
Contributions:25 releases, 33 pushes, 1 branch in 1 year 7 months
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.