- Create newsletters for developers, both internal and external- Manage the official Youtube Channel for Line, called Line Dev Log(라인개발실록), and create video contents to share information for developers- Operating sponsorship program for developer communities- Participated in redesigning our company's engineering website- Manage tech blog for our developers

- Provided contents for online education programs- Participated in Naver Business School service, a program designed to help digital transformation for growth of SME and creators- Managed live broadcasting for online education

- Developed renewal features : review pages, bonus advertisement SDK - Developed renewal features : review pages, bonus advertisement SDK< LINE STEP >- Developed an editor, providing tools for editing contents of a post, like preview of an album, animating stickers created from photos< BAND > - Developed and maintained the chatting service for BAND, a social networking application specialized in group communication with 100+ million downloads worldwide.- Refactored the chat-related codes from ObjC to Swift.- Added new features: chat invitation and other UI implementations on various views inside the app.

- Provided consulting services for corporate child care.- Created and managed various educational materials.- Conducted recruitment processes and education programs for employees and childcare teachers.- Planned a childcare business support service backed The Federation of Korean Industries(FKI).- Managed some of intracompany festival for roughly 1,000 employees.