Languages, runtimes, database systems, and protocols used across production software.
Discord.py 2.x, modular cog design, async IO event loops, persistent view buttons, modals, and multi-guild permissions.
Mineflayer bots, Java Fabric client mods, Netty packet interception, Velocity proxy plugins, and Hypixel API v2 integration.
PostgreSQL schema design, Redis key-value caching & pub/sub queues, and zero-config SQLite databases.
SSID token handlers, cookie generators, custom licensing verification servers, TOTP/2FA, and quarantine mechanisms.