Derek Lee
Full Stack Developer at Kick-Snare-Hat-Apps
Tokyo, Japan
Summary
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RockstarDerek Lee is a Full Stack Developer based in Tokyo with 11 years of experience building cross-platform mobile and web solutions. He specializes in iOS, Android and Kotlin Multiplatform (KMP), blending hands-on engineering with XP practices and facilitation skills to keep teams productive and aligned. Derek contributes to notable open-source projects like AudioKit, where his QA and test automation work strengthened core audio track functionality and overall code quality. A drummer and educator outside of work, he brings a rhythmic, iterative approach to development and mentoring. Comfortable across front-end and backend concerns, he focuses on shipping reliable, well-tested features and improving maintainability in complex codebases.
11 years of coding experience
Github Skills (7)
unit-testing10
swift10
macos10
ios10
audiokit10
xctest10
testing10
Programming languages (10)
Github contributions (5)
AudioKit/AudioKit
Jan 2018 - Oct 2018
Audio synthesis, processing, & analysis platform for iOS, macOS and tvOS
Role in this project:
QA Engineer / Test Automation Engineer
QA Engineer / Test Automation EngineerContributions:11 commits, 2 PRs, 5 comments in 9 months
Contributions summary:Derek's contributions primarily focus on testing and quality assurance within the AudioKit project. They wrote and implemented unit tests for the `AKMusicTrack` class, covering its core functionalities such as adding, clearing, and clearing ranges of musical events. The user also addressed code style violations and standardized test file headers, demonstrating a commitment to code quality and maintainability. Their work improves the reliability and stability of the audio processing library.
swift-playgroundsapplemusicmidisynthesisios
pivotal-legacy/osusume-ios
Dec 2015 - Jun 2016
Contributions:94 commits, 155 pushes in 6 months
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