2021.03 ~Planning and Developing File Sharing service (Dropship) on Server-side and DevOps· Solely executed Backend development and DevOps · Designed aws cloud infra structure · Developed API server using Spring framework· Operating dropship service · Dropship usage data - Web (https://g2sh.me) 100K+ visits monthly - Galaxy Store 100K+ downloads (https://galaxystore.samsung.com/detail/com.samsung.dropship_client) - App Store 10K+ downloads (https://apps.apple.com/kr/app/id6443540269) - Over 10K files are shared monthly - Over 10TB data is transferred monthlyDesigning and Operating Galaxy GoodLock Service· Designed aws cloud infra structure· Operating Goodlock service· Over 50K monthly active userDeveloping API Gateway Server for GoodLock service including Dropship, Goodlock, Galaxy to share.· Authenticating API Calls using Samsung account server and redis· Route API to each serviceMonitoring and data analytics using sumo logic· Send logs to sumo logic by kinesis firehose · Send error event and daily statics to slack· Understanding usage pattern with data 2015.03 ~ 2018.12Developed Samsung members on Server-side· Developed API Server using Spring framework· Microservices Architecture· Search system : Solr· Developed Admin Web Page

Remote control app for android and Samsung wearable device• Developed a android app and Samsung wearable device• Remote control PC by wearable device and android deviceSamsung electronics System Integration• Developed a eclipse plugin• Analyzing dependency of code and classes and visualize the relationship of them.