“Do you have any questions for us?” sounds like a courtesy. It is closer to the last scene of the audition, and the interviewer is still scoring. A flat “No, I think you covered everything” leaves the impression that you are not very curious about a job you say you want.
Every question you ask reveals what you pay attention to. Someone who asks how success is measured in the first year is thinking about doing the work well. Someone who opens with parking and the dress code is thinking about something else. Neither is a crime, but the first gets remembered. The aim is not to ask clever questions; it is to ask ones whose answers you would genuinely use.
You will spend more waking hours with this team than with your family on weekdays, so ask about it directly. “How does the team handle disagreements?” works better than “What is the culture like?”, because the second invites a brochure answer and the first invites a small story. Ask who you would work with most closely, and how feedback usually reaches people — in a scheduled review, in passing, or not at all.
The best question of the interview is usually one you could not have prepared in advance. If the interviewer mentioned a product launch, a reorganisation or a new manager, come back to it: “You said the team is moving to a new system this spring — how is that going?” It proves you were listening, which is rarer than it should be. Keep two or three prepared questions as a safety net, and expect some of them to be answered during the conversation. When that happens, say so: “I was going to ask about training, and you covered that. Can I ask how people usually grow into more senior work here?”
Salary, vacation days and remote-work rules are fair topics, but timing matters. If the interviewer has not raised pay by the final round, it is reasonable to ask about the range; before that, a first-round question about holidays can read as if you are already leaving. Once an offer exists, the balance shifts and those details become part of a proper negotiation.
After the last answer, ask one more thing that is not really a question: “Is there anything about my background you would like me to clarify?” It gives them a chance to voice a doubt while you are still in the room, and you can answer it on the spot instead of losing the job to a worry you never heard. Then ask about next steps and timing, thank them by name, and leave. Send your follow-up email the same day, and mention one of the answers you were given — it shows the conversation stuck with you.
Put your questions on a page you can glance at, and bring a pen. Taking brief notes while they answer signals interest, and later it helps you compare two offers honestly rather than by whichever interview you remember better. Treat the last five minutes as part of the performance: unhurried, curious and specific.