Blog
Thoughts on backend engineering, architecture, and web development.
Fair Lead Distribution at Scale with Redis Round-Robin
How to distribute leads fairly across sales agents using atomic Lua scripts, distributed locks, and quota-aware round-robin — without ever double-assigning.
Senior backend developer bo'lish uchun men nima o'rganayapman
Framework ishlatish bilan haqiqiy backend tushunish orasida katta farq bor. Shu farqni yo'q qilish uchun men hozir nimalarga fokus qilayapman.
OAuth Token Refresh That Doesn't Break at 3am
Stale-while-revalidate, distributed lock on refresh, and a clean error taxonomy — the patterns that make Gmail and third-party OAuth tokens reliable in production.
RingCentral SMS Integration: Rate Limits, Queues, and Circuit Breakers
Sending SMS through RingCentral without hitting rate limits or dropping messages — token management, BullMQ queues, Retry-After parsing, and circuit breakers that actually work.
How I Reverse-Engineered the UniFi API to Build WiFi Auth for 1,000 Daily Users
Yaponamama — Tashkent's largest restaurant chain — needed SMS-based WiFi auth across 14 locations. The UniFi docs didn't have what I needed. So I opened DevTools.
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