Heejoon Kang
Software Engineer at Mercari, Inc.
Chiyoda, Japan
Summary
👤
Senior🎓
Top SchoolHeejoon Kang is a seasoned software engineer with 11 years of experience specializing in Kotlin, Android, iOS, Flutter, and cross-platform architectures. He has driven product and UX improvements at major Japanese and global tech companies including LINE, SmartNews, Mercari, and currently 株式会社ドリドリ, often pairing data-driven product decisions with CI/CD and architecture work. Heejoon built Flutter-based reboots of consumer services, led ad and analytics integrations that boosted revenue and UX, and regularly bridges Android and iOS implementations. He is the author and maintainer of Flutter-focused CLI tooling written in Rust (fenv and d), reflecting a pragmatic polyglot approach and interest in developer productivity. With an MS in Computer Science from Seoul National University, he combines deep native mobile experience with modern cross-platform and tooling skills. Colleagues rely on him for proactive specification, measurable UX gains, and robust release automation.
11 years of coding experience
16 years of employment as a software developer
Master of Science - MS, Computer Science and Engineering, Master of Science - MS, Computer Science and Engineering at 서울대학교
Korean, Japanese, English
Github Skills (28)
swiftgen10
code-generator10
fonts10
deno-module9
flutter9
dart9
cli8
deno-deploy8
javascript8
deno7
typescript7
okhttp6
kotlin-android6
thrift5
google-play5
Programming languages (7)
Github contributions (5)
fenv-org/fenv
Feb 2023 - Mar 2023
Simple Flutter SDK version management
Contributions:4 releases, 5 reviews, 38 commits in 13 days
cliflutter
fenv-org/d
Sep 2023 - Nov 2023
Dart multi-package project manager
Contributions:1 release, 1 review, 95 PRs in 2 months
clidartflutter
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