LIWEI LABS

Lab

Engineering Notes

Technical insights from real-world builds and architecture decisions.

Engineering Note
Backend / Data Integrity

Designing audit trails for clinical data systems

Technical patterns for audit-ready event logging for sensitive research data workflows.

Case Study Draft
Database Architecture

Moving a fintech platform from MongoDB to PostgreSQL

Lessons from migration planning, schema design, and relational modeling decisions during data migration.

Implementation Notes
DevOps

Deploying ASP.NET Core behind Nginx with HTTPS

Blueprint for deploying ASP.NET Core apps behind Nginx with optimized security headers.