Fire once and Forget

Calling Methods in Background — Hangfire Documentation

The Enqueue method does not call the target method immediately, it runs the following steps instead:

https://docs.hangfire.io/en/latest/background-methods/calling-methods-in-background.html

This code will only ever trigger once, the job will be non-recurring.

BackgroundJob.Enqueue(() => Console.WriteLine("Hello, world!"));