# Database Migration & Modernization > Selected work demonstrating this service. - [Improved geographical map application performance by 10x through strategic database transition from MSSQL to PostgreSQL, optimizing processing and data security.](https://software.engineer.company/portfolio/improved-geographical-map-application-performance-by-10x-through-6/) - [Moved every user‑facing string out of Python into a content tree of 874 files across three languages, after finding dead translations nobody could see were dead and a check silently grading a third of the achievements.](https://software.engineer.company/portfolio/moved-every-user-facing-string-into-a-content-tree-152/)