Joel Middendorf
OS Performance Tools Engineer at Apple
San Francisco, California, United States
Summary
👤
Senior🎓
Top SchoolJoel Middendorf is an OS performance tools engineer in San Francisco with 11 years of experience building high-performance developer tooling and multimedia applications. At Apple he ships Xcode performance features such as Organizer regressions, scrolling performance views, and a Thread Performance Checker, drawing on deep C/C++ and iOS expertise. His background includes leading systems and mobile teams at Turner, co-founding an event-discovery startup, and porting large consumer apps from Objective-C to Swift, demonstrating a blend of product-minded engineering and hands-on implementation. An early emulator author — notable for a 1964 Nintendo64 emulator on GitHub — he brings low-level systems knowledge and a long track record of optimizing complex, resource-constrained code.
11 years of coding experience
16 years of employment as a software developer
Master of Science - MS Computer Science, Master of Science - MS Computer Science at Georgia Institute of Technology
Stackoverflow
62reputation
313reached
2answers
0questions
Github Skills (27)
nintendo10
nes-emulator10
dos10
chrome9
emulation9
javascript8
facebook-ios-sdk6
swift6
mainloop6
facebook6
objective-c6
ios6
modular6
ipad6
uinavigationbar6
Programming languages (4)
Github contributions (5)
schibo/1964
Oct 2014 - Nov 2022
Contributions:5 commits, 2 pushes in 8 years 2 months
schibo/1964js
Jun 2015 - Dec 2024
Nintendo64 emulator in JavaScript
Contributions:3 reviews, 46 PRs, 359 pushes in 9 years 8 months
nintendo64emulatorjavascriptdoschrome
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.