What is Inngest for background jobs?

Inngest runs serverless functions triggered by events or crons, with sleeps, retries, and fan-out—no infra needed.

How to replace BullMQ with Inngest?

Register functions in one API route, use step.sendEvent for fan-out, step.sleep for delays, step.run for retries.

Yes, $0 for low volume—scales pay-per-use later.

⚙️ DevOps & Platform Eng

Forget the Redis tax. This guy's entire SaaS backend runs on five serverless functions. Total cost? Zilch.

theAIcatchup Apr 10, 2026 3 min read

Ditch Redis + BullMQ for 5 Inngest functions: $0/month, full resilience. 𝕏
step.sleep() and step.sendEvent() handle long polls and fan-out effortlessly. 𝕏
Perfect for indie SaaS—frees devs from infra babysitting, but watch scaling costs. 𝕏

Published by

Ship faster. Build smarter.

#Inngest #SaaS architecture #background jobs #serverless SaaS #serverless queues #serverless workflows #zero-cost architecture

Get the best Developer Tools stories of the week in your inbox — no noise, no spam.

Originally reported by dev.to