Experience
2018 — Now
2018 — Now
Mountain View, California, United States
2013 — 2018
2013 — 2018
Berkeley, CA
• Designed and built backend API server by myself from scratch; currently serving for 400k MAU - using NodeJS, ExpressJS, MySQL on AWS.
• Developed "Todo Math" iOS and Android app, award-winning math learning app for kids; reached 5M downloads on AppStore over 4 years; built on the cocos-2d framework using Objective-C/Java/C++.
• Designed and built analytics API server for event logging.
• Developed web dashboard for teachers and internal dashboards using NodeJS, HTML5, CSS3, AngularJS, and jQuery on AWS.
• Developed "Kitkit School" Android Tablet app; a finalist for Global Learning XPRIZE competition.
• Built and Managed AWS Cloud Environments - ElasticBeanStalk, Lambda, CloudWatch, RDS, S3, ELB, IAM.
• Built responsive company and product websites using HTML/CSS/jQuery, SASS
• Worked with a small team using scrum/agile methodology with JIRA/Slack/Basecamp.
2012 — 2013
2012 — 2013
Seoul, Korea
• Performed a government project for Supreme Court of Korea - Adult Guardianship System
• Analyzed system requirements, led a team over 20 and resolved technical issues as a technical director
• Designed and built web applications using Java, Spring Frameworks, Oracle
2006 — 2009
2006 — 2009
• Performed a government project for Supreme Court of Korea - Family Relationship Registration System
• Designed data schema and built relational database; planned and migrated over hundred millions data; optimized and partitioned SQL Queries
• Implemented registering and printing modules using Java, Spring Frameworks, Oracle DB, Reporting Solution
Education
Korea Advanced Institute of Science and Technology
BS
Seoul Science High School