Sangwon Park
CEO CTO at Retrica (레트리카)
Seoul, South Korea
Summary
👤
Senior🎓
Top SchoolSangwon Park is a seasoned software leader and entrepreneur with 14 years of experience, best known as the CEO and CTO and founder of popular photo app Retrica. Based in Seoul, he combines product vision with hands-on engineering, having built and managed web and iOS services, deployment systems, and engineering teams since the mid-2000s. His career spans startup and corporate roles—from early web development at NAVER and BlogCocktail to leading mobile-first product engineering—and reflects a deep practical grounding in building consumer-facing apps at scale. Trained in industrial engineering, he brings a systems-oriented approach to product design and operations, blending user-focused features with reliable backend infrastructure.
14 years of coding experience
8 years of employment as a software developer
bachelor, Industrial Engineering, bachelor, Industrial Engineering at Pukyong National University
Stackoverflow
454reputation
218kreached
8answers
0questions
Github Skills (25)
coremotion10
uiview10
orientation10
in-app-billing9
swift8
observer8
ios7
storekit7
opengl-es6
uicollectionview-cell6
obsolete6
iphone6
uicollectionview6
avplayer6
objective-c6
Programming languages (3)
Github contributions (5)
tastyone/MotionOrientation
May 2012 - Jun 2016
An observer to notify the orientation of iOS device changed, using CoreMotion for taking the orientation in 'Orientation Lock'.
Contributions:18 commits, 2 PRs, 6 pushes in 4 years 2 months
observerlockios-devicecoremotionuiview
tastyone/GPUImage
Jan 2015 - Dec 2015
Contributions:9 pushes in 10 months
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