Sunki Baek
Senior Mobile Engineer II, Fintech at Boulevard
Calgary, Alberta, Canada
Summary
👤
Senior🎓
Top SchoolSunki Baek is a senior mobile engineer with 12 years of cross-platform experience, currently leading real-time order-taking app development in fintech. He specializes in React Native and practical performance engineering—having boosted framerates from 30fps to 60fps on production devices and shipped privacy features like customer phone masking that drove higher engagement. Sunki mentors junior engineers, improves developer workflows (e.g., Sentry migrations and epic scoping), and bridges native Android/iOS gaps through direct native-module work such as maintaining a React Native Kakao login module. His background spans full-stack and Shopify app work, and he pairs a strict null-checking discipline with a pragmatic focus on data integrity and maintainability. Based in Calgary, he blends product-minded engineering with hands-on contributions that scale across platforms.
12 years of coding experience
9 years of employment as a software developer
Associate of Science - AS, General Science, Associate of Science - AS, General Science at Camosun CollegeBA, Business Administration, BA, Business Administration at Chung-Ang UniversityBritish Columbia Institute of Technology (BCIT)Bachelor of Engineering - BE, Software Engineering, Bachelor of Engineering - BE, Software Engineering at The Cyber University of KoreaMaster's degree, Computer Science, Master's degree, Computer Science at University of Illinois Urbana-Champaign
English, Korean
Stackoverflow
108reputation
16kreached
3answers
1question
Github Skills (14)
react-native10
android-development9
ios9
javascript8
json8
typescript-types7
typescript7
typescripts7
lamp6
background-image6
architecture6
ruby6
ruby-on-rails6
react6
Programming languages (12)
Github contributions (5)
crossplatformkorea/react-native-kakao-login
Aug 2018 - Sep 2018
react-native native module for Kakao sign in.
Role in this project:
Mobile Developer (Android/iOS)
Mobile Developer (Android/iOS)Contributions:8 commits, 3 PRs, 2 pushes in 13 days
Contributions summary:Sunki primarily contributed to the implementation and maintenance of a React Native module for Kakao login functionality. Their work included adding type casting to Android views for improved code quality, refactoring iOS code to utilize new Kakao SDK methods, and correctly parsing native callback results to ensure data integrity. They also focused on returning user profile data in the proper JSON format, ensuring compatibility and ease of use for other developers.
sign-inreactsignreact-nativenative-module
react-native-seoul/starting-guide
Sep 2017 - May 2018
Contributions:3 commits, 1 PR, 1 push in 8 months
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