Joohyun Lee
IOS App Developer at 두나무
Seoul, South Korea
Summary
👤
Senior🎓
Top SchoolJoohyun Lee is an iOS app developer with 8 years of experience building production-grade mobile applications and SDKs, currently contributing to the 증권플러스 app at Dunamu in Seoul. Proficient in Swift, Objective-C and RxSwift, he has delivered authentication and cloud-integrated features across finance and enterprise projects, including NHN Cloud and Hyundai Motor Group’s unified authentication. His background in AR research and product engineering at KIST and Letsee informs a practical, experimental approach to native mobile UX and performance optimization. Joohyun moves comfortably between app-level features and SDK development, bringing a systems mindset to client-side challenges. Colleagues rely on him for integrating secure auth flows and modular architectures in high-availability apps. He combines academic research experience with startup and large-enterprise delivery, making him adept at shipping complex mobile features under real-world constraints.
8 years of coding experience
8 years of employment as a software developer
학사, Computer Engineering, 학사, Computer Engineering at 한림대학교(Hallym University)
Github Skills (9)
keras10
pytorch10
segmentation10
mri10
deep-learning9
classification7
python5
machine-learning5
tensorflow4
Programming languages (2)
Github contributions (5)
cv-lee/Camelyon17
Jan 2018 - Mar 2018
Contributions:31 commits, 20 pushes, 1 branch in 1 month
cv-lee/BraTs
Sep 2018 - Oct 2021
PyTorch & Keras implementation for BraTs (Brain Tumor Segmentation)
Contributions:365 commits, 7 PRs, 311 pushes in 3 years 1 month
pytorchbrainbrain-tumor-segmentationdeep-learningmri
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