Written in SQL and JavaScript UDFs, it follows control flow, temp tables, variables and dynamic SQL back to the source columns, then grades each result PASS, CHECK or UNRESOLVED. Static checks catch risky statements before anything runs. Lineage analysis for 300+ stored procedures went from about a month to one or two days.
An LG Uplus project, so the code isn't public.
An app for practicing spoken English, released on iOS and Android. Flutter on the front end, a Go API on PostgreSQL, and a FastAPI service that uses Azure Speech, all running on Azure Container Apps.
Captures every insert, update and delete from the MySQL binary log with Debezium, publishes it to Kafka, and shows each change in a small Flask app as it happens. Seven services, one Docker Compose file.
A five-step funnel from simple to financial members, split by country, visa and sign-up channel. Joining Airbridge ad data with internal financial data let marketing rank channels by real conversions instead of traffic, reaching a CTR of 8.5% and a CVR of 3.5% for financial members.
A Jeonbuk Bank project, so the data isn't public.
Retrieval-augmented generation over Korean and English documents, tested with LLaMA running locally through Ollama and with GPT through the OpenAI API.
A web tool that compares two MySQL or MariaDB databases for schema, metadata and row-level differences, then exports the report to Excel.