Migrations & Modernization

4 achievements

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Improved GIS map performance 10x on PostgreSQL
Improved geographical map application performance by 10x through strategic database transition from MSSQL to PostgreSQL, including the data cutover, optimizing processing and data security.
Implemented a catalogue‑driven deep‑merge
Implemented a catalogue‑driven deep‑merge for stored JSON preferences, preventing missing‑key crashes as the schema evolves.
1,022 migrations behind a schema drift gate
Kept the schema honest across 1,022 migrations with a CI gate that builds the database both ways — a fresh install, and an install plus every migration — and fails when the two disagree.
Moved every string into a content tree
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.

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This work is part of what we offer as Database Migration & Modernization, Backend & API Development, Data Governance & Quality, AI Data Readiness, Database Administration (DBA), Database Design & Modeling, Database Performance Tuning and DevOps & CI/CD Automation.

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