language: Korean, English

interested in: event driven architectures, test code, Kotlin, Golang

work history

• Tripbtoz, backend developer (2023.05 ~ )

  • Led the enhancement of the back-office system
  • Spearheaded the comprehensive upgrade of the hotel booking and notification system, contributing to improved process efficiency and user experience
  • Built business infrastructure for profitability improvement
  • Developed an enterprise notification system based on AWS MSK, enhancing app push functionality and supporting marketing team operations
  • Designed and developed an integration project with external financial institutions, contributing to the acquisition of 200,000 new members

• Fitpet, backend developer (2022.08 ~ 2023.02)

  • Enhanced hospital lookup/search service
  • Achieved a 240% increase in weekly user visits compared to the previous version, reaching a peak MAU of 45,000.
  • Designed the database and implemented data structures and logic for the hospital service
  • Improved hospital lookup filters to enhance UX
  • Developed a common image upload module using AWS S3
  • Improved display performance through image resizing
  • Improved and maintained the admin service (Django Admin system)