Dat Tran
Email
[email protected]
Phone
254-856-6076
Location
Killeen, TX
LinkedIn
www.linkedin.com/in/dattran48
Portfolio Website
Education

Bachelor of Science in Computer Information Systems - Data Science

Texas A&M University - Victoria
Aug 2023 – NowVictoria, Texas

Associate of Applied Science - Information Technology

Central Texas College
Aug 2018 – May 2022Killeen, Texas
Certificates
Skills
SQL (Joins, CTEs, Window Functions), Python (Pandas, NumPy, Matplotlib), Excel (Pivot Tables, Lookups, Statistical Functions), Power BI / Tableau (Dashboards, KPIs, Visual Storytelling), Data Modeling & ETL Fundamentals
Projects

Olist Intelligence Platform | MySQL 8

  • •Implemented data validation and duplicate detection queries
    • Dec 2025 – Jan 2026
  • •Built advanced analytics using CTEs, window functions, cohort retention analysis
  • •Developed revenue trends, customer lifetime value (CLV), seller performance metrics
  • •Structured project using production-style phases (Bootstrap → Bulk Load → Analytics)

    • US Accidents Analysis | Excel Data Model

  • •Imported 7.7M records via Power Query into Excel Data Model (bypassing worksheet limits)
    • Jan 2026 – Feb 2026
  • •Built relational model and DAX-based KPIs
  • •Created interactive dashboards analyzing severity, time-of-day risk, and geographic trends

    • Airline Intelligence Platform | Python (Polars) | Parquet

  • •Engineered high-performance ETL pipeline converting raw DOT flight CSVs into partitioned Parquet
    • Feb 2026 – Mar 2026
  • •Performed feature engineering (delay flags, time normalization, severe delay metrics)
  • •Designed scalable Bronze → Silver → Gold architecture
  • •Optimized processing speed and memory usage using Polars
    • Coursework
  • •Data Analytics, Basic Data Visualization, Database Systems, Python Programming, Probability & Statistics I & II, Software Engineering, Information Systems in Organizations