Summary
Work History
Education
Skills
Timeline
Generic

Ju-young Park

Student
Seoul

Summary

Accomplished Data Quality Controller at Leferi, highly skilled in using SQL to verify and troubleshoot data discrepancies within large datasets. Demonstrated expertise in ensuring data accuracy through meticulous monitoring, identifying and resolving issues in collaboration with backend developers. Strong in relationship building and effective communication, collaborating with both data collectors and developers to improve data collection workflows. Known for an exceptional attention to detail, driving continuous improvements in data processes to enhance operational efficiency and deliver high-quality results.

Work History

Data Quality Controller

Leferi
02.2025 - Current

Key Responsibilities:

  • Data Verification: Reviewed and validated data collected by data gatherers to ensure compliance with established collection rules and accuracy.
  • SQL-based Troubleshooting: Utilized SQL to verify the existence of data in the database when data discrepancies occurred on the UI. Identified and confirmed whether the issue was related to the UI or the database.
  • Collaborating with Backend Team: When data inconsistencies were confirmed in the UI, communicated with the Backend Developers to report the issues and work towards a resolution.
  • Monitoring Data Collection: Regularly tracked data collection statistics and ensured that the data collectors met the minimum collection requirements. Provided warnings and guidance when necessary.
  • Payroll Calculation: Conducted monthly reviews of data collection performance and calculated the corresponding salary for data collectors based on their monthly output.

Skills Used:

  • SQL for querying databases and identifying data discrepancies.
  • Coordination with technical teams (Backend developers) to resolve issues.
  • Strong attention to detail and data accuracy.

Education

Bachelor of Science - Statistics

Hankuk University of Foreign Studies
Yongin, South Korea
04.2001 -

Skills

Data interpretation

Customer focus

Process review experience

Documentation

Relationship building

Timeline

Data Quality Controller

Leferi
02.2025 - Current

Bachelor of Science - Statistics

Hankuk University of Foreign Studies
04.2001 -
Ju-young ParkStudent