A website for selling Revit software license activation keys integrated with VNPay payment system and automatic key generation.
Securing the key generation logic and preventing race conditions where multiple customers could purchase the same key at the exact same millisecond. We resolved this by implementing transaction queues in PostgreSQL with row-level locking during checkout validation.
Eliminated manual key delivery times down to sub-second automated delivery, leading to a 40% increase in customer checkout completion rates.
A fullstack workspace for managing projects, tasks, notes, reminders, contacts, calendars, and relationships through a visual web interface and connected agent tools.
An online marketplace and tracking dashboard for premium ornamental fish breeders, tracking genetic lineage and health statistics.
A Chrome MV3 extension that discovers progressive, HLS, DASH and observable MSE media, then previews, downloads, saves or hands it off to mobile.
