Jooseong Lee
Data Analyst
Seoul
Summary
Data Scientist with hands-on experience in collecting, preprocessing, and managing large-scale medical imaging datasets for both AI model development and business reporting. Proficient in statistical analysis, deep learning implementation, and multimodal data handling. Highly organized, self-driven, and collaborative, with a strong track record in leading cross-functional projects and transforming complex data into actionable insights.
Overview
1
1
year of professional experience
5
5
years of post-secondary education
3
3
Certifications
2
2
Languages
Work History
Data Scientist
Aivill
Seoul
06.2023 - 06.2024
- Led two major projects for constructing medical imaging datasets for AI training (approx. 300,000 DICOM files)
- Designed data preprocessing workflows
- Developed pneumonia detection model using Yolov8, reducing labeling cost by 20% and time by 30%
- Handled administrative tasks, prepared reports and led regular meetings with stakeholders
Education
Bachelor of Science - Mathematics
Yonsei
Seoul 03.2018 - 02.2023
Skills
Python programming
Machine learning
Statistical analysis
SQL databases
Data modeling
Data analysis
Certification
BigData Analysis Engineer
Timeline
Information Processing Engineer
09-2024
Advanced Data Analytics Semi-Professional (ADsP)
03-2024
BigData Analysis Engineer
12-2023
Data Scientist
Aivill
06.2023 - 06.2024
Bachelor of Science - Mathematics
Yonsei
03.2018 - 02.2023
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