Case study
AI-Powered Text-to-SQL System
Built an AI-powered Text-to-SQL system that used structured metadata, Athena execution, and validation loops to speed up ad-hoc analytics.
Director, Data Platform at Techtaka
I build simple data systems for real operations work.
Data platforms, analytics workflows, and AI-assisted internal tools for teams that need usable systems, not abstract demos.
Work
Featured work
Case study
Graph-Based Warehouse Optimization and Simulation
Built a warehouse optimization workflow that combined graph construction and simulation to test inventory placement and picker travel distance before a full optimizer existed.
Experience
Experience
Techtaka
Director, Data Platform
Built and operated a lake-based data platform in a 2-person team while supporting analytics and internal systems, then extended it into practical AI-assisted workflows including Text-to-SQL.
Coupang
Business Intelligence, PB Fresh
Led business intelligence for inventory, operations, and planning in PB Fresh, building pipelines and planning logic that reduced stranded inventory and improved instock.
Earlier foundation
Comscore, Wharton
Started in analytics and data tooling roles focused on large-scale processing, data quality, automation, and applied analytical research.
Methods
Methods
Short notes on planning and operational methods behind the case studies.
Method note
Practical Demand Forecasting for Small SellersA practical demand forecasting method for small marketplace sellers using cleaned demand history, 7-day and 28-day averages, and day-of-week adjustments.