**Data Cleaning & Quality Automation Tool** Preprocessing the data typically consumes most of the time of analysts. This led me to develop a fully automated data quality pipeline in Python that ...

Most RAG projects I built or saw earlier were simple: Upload a document → ask a question → get an answer. But I wanted to understand what a more realistic RAG product actually needs. So I built ...

In the previous article, I experienced specification-driven development using Speckit to create a "Monthly Work Hour Management Web App." Since I had only verified it in a local environment, I ...