When to follow up after an interview
Following up is easiest when you decide the cadence before anxiety starts doing product management on your brain.
Use the timeline they gave you
If a recruiter says they will get back to you by Friday, wait until after Friday before nudging. The best follow-up respects the process while making it easy to reply.
Keep the message short: thank them, name the role, mention one useful detail from the conversation, and ask whether there is anything else they need.
Treat each stage differently
After a recruiter screen, a simple thank-you is enough. After a technical interview, reference one discussion point or tradeoff you enjoyed. After a take-home, confirm submission and offer to clarify your decisions.
The more specific the stage, the more useful a small piece of context becomes.
Track the next nudge
The easiest way to avoid awkward duplicate follow-ups is to put the next nudge date on the role as soon as the interview ends.
That turns follow-up into a system instead of a memory test.