Work experiences

Walmart (Current)
​iOS developer

      The Biggest multinational retail corporation that operates a chain of supermarkets. E-commerce iOS mobile application,
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Skills used: Swift, UIKit, Xcode, GitHub, MVVM framework, Jira, Splunk, XCTest, coordinator framework.

• Implement re-useable, testable iOS component with Swift
• Unit tests with XCTest
• Functional tests with XCTest and Testrail
• Ensure and monitor the project with Splunk
• Version control and collaborate with the team by using GitHub

AppStore: Link here

HCI digital conference, KR

HCI(Human Computer Interaction) Society of Korea conference in Seoul University.

Presented how HugMatch solves a problem and what kind of approach is taken for visually impaired children with Interactive toys and a storybook app. 

HCI: Link here

BlueFrog, KR
​iOS developer

      sosok is a closed membership application that provides discounts for clients' commercial district users. As a client, it has restaurants, hospitals, coffee shops, etc.
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Skills used: Swift, UIKit, Xcode, GitHub, MVVM framework, Google firebase, crashlytics, remote config.

• Refactor the code base
  • Re-factored the entire app to 100% programmatically for every component and view from Storyboard. 
  • Responsive UI constraints for every iOS device based on Sketch from designers.
• Google firebase, analytics, remote configure
  • ​Analytics to track users' actions and in-app duration
  • ​Dynamic Link for inviting friends
  • In-app message and notifications for marketing​
  • Implemented analytics flow to collect users' behavior
  • Remote configure to change app content without the update
  • Cloud message to promote sosok products to users
• QR code reader for in-app purchase
• Divided build schemes
  • ​Reales, QA, Develop
  • Have different servers for each build scheme ​

website: https://weatly.com/promotion
AppStore: Link here

Animoto, NY
​iOS developer

      Animoto is a video creation application for web and iOS mobile.
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Skills used: RxSwift, UIKit, Xcode, GitHub, MVVM framework, Jira.

• User Interface
  • change UI constraints and put new UI elements.
  • Implemented new views based on Figma from designers.
• Analytics
  • ​implemented bug report analytics (Sentry.io)
  • measure user activity duration (total duration and in-app duration)
• Bug fixes
  • ​Solved miscommunications between views and video rendering engine. 
  • Constraint bugs for different devices.​ ​

website: https://animoto.com/
AppStore: Link here

HugMatch, NY
Unity(C#) lead developer

      Hug Match is a small start-up team that makes interactive toys and a storybook mobile app for visually impaired children (3~5 years old). The storybook app has mini games to help children to understand and enjoy without any judgement. Each game focused on to use unique body movements, such as shake, swipe, tap, ect... 
      We took many user tastings and exhibited our product in many different places, such as Columbia University, NYC  - Maker faire, Liberty Science Center (NJ), ect...

website: http://hugmatch.net/earth.html
awards: 
Maker's Faire 2017 https://makerfaire.com/maker/entry/58063/
Maker's Faire 2016 https://makerfaire.com/maker/entry/62883/