System design is a conversation you lead while someone pokes holes in it. You can't rehearse that by reading guides. How to practice driving the design and defending your trade-offs live.

Behavioral answers that sound great in your head fall apart when you say them. How to practice your stories under pressure, with someone probing the parts that count.

A free practice interview only helps if you treat it like a real one. How to get a useful signal from your first session instead of wasting it on a half-hearted run.

You can't see yourself clearly while you're being interviewed. Watching your own recording back, next to honest feedback, fixes things no amount of in-the-moment effort can.

Generic "tell me about yourself" practice doesn't prepare you for a specific role at a specific company. Rehearse against the job posting instead, tuned to the company and the level.

A chatbot is built to please you. Real interview practice needs something that probes and pushes, so the thin answers get caught in private instead of in the room that decides your offer.