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Iurii Rogulia, senior full-stack software engineer. Professionally building software since 2001.

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Iurii Uses: #Backend

2 articles

WebSocket Reconnection Done Right: Backoff, Jitter, and Replay
August 14, 2026· 13 min
WebSocket Reconnection Done Right: Backoff, Jitter, and Replay

WebSocket reconnection for production: heartbeat dead-connection detection, exponential backoff with jitter, resubscription, and message replay.

Stack

TypeScriptNode.js

Topics

WebSocketsAPIReal-timeBackend
Idempotency Keys: Building Retries That Don't Double-Charge
July 1, 2026· 8 min
Idempotency Keys: Building Retries That Don't Double-Charge

Idempotency key API design: make POST retries that don't double-charge — Postgres key table, ON CONFLICT claim, response replay, TTL, edge cases.

Stack

TypeScriptNode.js

Databases

PostgreSQL

Topics

APISaaSBackend
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