01 / 01Nov 5, 2026BullMQ in NestJS: Retries, Idempotency and Dead-Letter QueuesBlind retries double-send emails and double-charge customers. The BullMQ setup I run in NestJS: jittered backoff, idempotent jobs, and a dead-letter queue.Nov 5, 2026·15 min read15 min read#nestjs#bullmq#redis#typescript→