Currently working in the B2B division, responsible for the product "Hahow for Business".Hahow for Business is a training system that features over 300 diverse courses, blended learning resources, and an automated data backend. It offers a comprehensive solution fulfilling corporate needs through system, content, and consultancy services.- Planned and migrated application from Heroku to AWS EKS in 6 months, configured with Terraform- Planned and integrated MISO search engine… Show more Currently working in the B2B division, responsible for the product "Hahow for Business".Hahow for Business is a training system that features over 300 diverse courses, blended learning resources, and an automated data backend. It offers a comprehensive solution fulfilling corporate needs through system, content, and consultancy services.- Planned and migrated application from Heroku to AWS EKS in 6 months, configured with Terraform- Planned and integrated MISO search engine in 2 months- Upgraded Rails version of the main repository from 6.0 to 6.1 in 3 weeks- Optimized user's last online time update process by using a worker instead of an instant update, achieving a 30% reduction in query volume- Developed a script to verify if pull requests are deployed, enhancing web developers' efficiency by 0.5% Show less

Participated in a top-ranking mobile game project - Dragon Ball Z: Dokkan Battle with over 1 million DAU(daily active users)- Focused on development and maintenance of the game server and internal web tools- Streamlined game data generation workflow, which reduce engineers’ toil debugging tasks about 3 hours / week- Transitioned internal web tool deployment from Capistrano to a more efficient shell script- Containerized internal web tool and integrated it with ECS in 3… Show more Participated in a top-ranking mobile game project - Dragon Ball Z: Dokkan Battle with over 1 million DAU(daily active users)- Focused on development and maintenance of the game server and internal web tools- Streamlined game data generation workflow, which reduce engineers’ toil debugging tasks about 3 hours / week- Transitioned internal web tool deployment from Capistrano to a more efficient shell script- Containerized internal web tool and integrated it with ECS in 3 months- Developed new workflow using Packer, Ansible, and Cfn to build log transfer service(S3 to big query) in 1 month Show less

Fab 12-Sep. 2015 to Present Process engineer, WET department • WET process includes wafer-clean & film etching by chemicals• Reduced SPM process time for cost saving• Improved Wafer-Clean process – Defect improve 21% on products• Involved in the process chemical change for BEOL PRS process• Coordinated with other 5 departments with evaluation of 2nd source chemical filter project in six months• Contributed to 2 TSMC patent ideas, applying for USA patentFab… Show more Fab 12-Sep. 2015 to Present Process engineer, WET department • WET process includes wafer-clean & film etching by chemicals• Reduced SPM process time for cost saving• Improved Wafer-Clean process – Defect improve 21% on products• Involved in the process chemical change for BEOL PRS process• Coordinated with other 5 departments with evaluation of 2nd source chemical filter project in six months• Contributed to 2 TSMC patent ideas, applying for USA patentFab 15-Mar. 2017 to Sep. 2017Process engineer, WET department • Volunteer to support new technology N7/N10 ramping up a half year• Released 12 new tools for advanced technology• Prolonged SPM usage count for cost saving & tool available time increase Show less