Notes on building products, real-time systems, and full-stack delivery.
How I reverse-engineered the COLMI R11's undocumented Bluetooth protocol, built a resilient SwiftUI app on CoreBluetooth, and wired it into a NestJS backend with an offline-first upload queue and a three-layer background strategy.
read more →Telegram's founder warns that tactics once confined to authoritarian states are spreading westward. Growing up in Transnistria and building Debate Room — a live platform for open argument — this is not abstract theory for me.
read more →Why AI-era hiring rewards business problem solving and reliability more than raw syntax recall.
read more →An honest look at the main risk of a grocery startup: why retailers don't share assortment APIs, what to do instead, and why a neighbor-based delivery model doesn't need a full store catalog.
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