Christopher Drum
Senior IOS Engineer at BONX Inc
Chiyoda, Japan
Summary
👤
Senior🎓
Top SchoolChristopher Drum is a Senior iOS Engineer based in Chiyoda, Japan, with nearly 20 years of software experience and 11 years focused on mobile engineering. He has shipped production iOS work across startups and scale-ups including SmartNews and BONX, and is fluent in Swift, Objective-C, C, and Lua. Beyond development he blends technical writing, design, and developer productivity skills—comfortable with Unix/macOS/Windows toolchains, CI, and observability. An avid software archaeologist and retrocomputing enthusiast, he documents productivity software preservation and ports classics to Pico-8 on his Stone Tools blog, a niche focus that highlights deep historical knowledge rather than games. He also brings cross-cultural experience, speaking English and Japanese, and a track record of mentoring and tooling that helps teams move faster.
11 years of coding experience
23 years of employment as a software developer
Continuing Education, Continuing Education at Berkeley City CollegeContinuing Education, Continuing Education at Big Nerd RanchCompleted through Intermediate 6, Completed through Intermediate 6 at Soko GakuenContinuing Education, Continuing Education at San Francisco State UniversityBachelor of Arts (BA), Bachelor of Arts (BA) at University of North Carolina at CharlotteContinuing Education, Continuing Education at Berkeley College
Japanese, English
Stackoverflow
1,513reputation
50kreached
35answers
8questions
Github Skills (117)
ruby10
automation10
esp3210
linux10
swift10
opengl10
android-apps10
dependency-manager10
fastlane10
android-app10
android10
mobile10
objective-c10
ios10
text-to-image9
Programming languages (17)
Github contributions (5)
ChristopherDrum/status-line
Mar 2022 - Sep 2025
A z-machine interpreter, written in Lua, for the Pico-8
Contributions:12 PRs, 251 pushes, 16 branches in 3 years 6 months
interpreterluapico-8z-machine
ChristopherDrum/status-line-classics
Mar 2022 - Mar 2022
Classic text adventures, reformatted to look beautiful in Status Line on the Pico-8
Contributions:2 releases, 128 commits, 32 PRs in 14 days
pico-8
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.