Why preparation still matters for a practice interview
It is tempting to treat an AI mock interview as a casual warm-up you can wing. Do that and you waste the most valuable thing it gives you — honest, structured feedback. Preparing properly means the session mirrors the real thing, the scorecard reflects your actual gaps, and your next attempt shows measurable improvement. If you are new to the format, read what an AI mock interview is first, then come back to this checklist.
Step 1 — Research the role and company
Before you start, be clear on the exact role and level you are targeting. A backend SDE loop looks nothing like a product manager or consulting case. Skim the job description, note the core competencies it lists, and pick a matching board. Company-specific practice matters because rubrics differ — a mock built around Amazon SDE interviews leans hard on Leadership Principles, while a Google SDE loop weights data structures and problem clarity.
Step 2 — Set up your space, mic, and camera
For voice and video modes, your environment is part of the test. Aim for a quiet room, close background apps that steal the microphone, and use a headset if you have one — clean audio helps the AI transcribe you accurately, which directly affects scoring. For video, frame yourself from the chest up, put a light in front of you rather than behind, and check your camera once before you begin.
- Test your mic level so you are not clipping or too quiet.
- Silence notifications and put your phone on Do Not Disturb.
- Have water, a pen, and scratch paper within reach.
Step 3 — Upload your CV so questions fit your projects
If the tool supports it, upload your résumé before you start. On Wrexa Edge the upload is session-only and not stored, but it lets the AI interviewer ask about your actual projects, tech stack, and experience instead of generic questions. This makes behavioural rounds far more realistic — you get probed on the exact work you will be asked about in the real loop.
Step 4 — Choose the right mode
Text mode is best for early practice when you want to think slowly and focus on structure. Voice mode builds the muscle of speaking answers out loud without notes. Video mode is closest to the real thing and worth using once you are comfortable. A good sequence is text first, then voice, then video as your interview date approaches.
Step 5 — Warm up before the real run
Do not let your first spoken answer of the day be the one that gets scored. Say a two-minute self-introduction out loud, recall one or two stories you might use, and take a couple of slow breaths. If you are prepping behavioural rounds, review the STAR method for behavioural questions so your stories already have a shape before you open your mouth.
What to do during the interview
Once the session starts, three habits separate a strong run from a rambling one.
- Clarify first. Restate the question and ask a scoping question before answering. This is expected in technical and case rounds and shows structured thinking.
- Structure your answer. Signpost with "first, second, third" or use STAR for behavioural prompts. A real-time AI interviewer follows up when an answer is thin, so give it substance to work with.
- Think aloud. In coding and case rounds, narrate your reasoning. On an executable coding round you can write and run code against test cases, so explain your approach as you type, then verify it.
What to do after: read the scorecard and re-run
The session ends with a scored rubric backed by evidence from your answers — not a vague "good job". Read it slowly. Identify the one or two dimensions where you lost the most points, whether that is communication, depth, or structure. Then drill only those before your next attempt. Your practice dashboard tracks history and focus areas so you can see whether the weak spot is closing.
The loop is simple and it works: run a mock cold, read the feedback, drill the weakest area, then re-run a fresh session. Two or three cycles before a real interview will noticeably sharpen your delivery. Start free with no signup on the AI mock interview, and if you want to focus your prep, browse boards by role such as the software engineer role or product manager role.
Frequently asked questions
How long should I prepare before an AI mock interview?
The setup itself takes five minutes — pick a role, check your mic and camera, and optionally upload your CV. The bigger investment is running several sessions across the days before your real interview so you can act on the feedback each time.
Do I need a webcam and microphone?
Not always. Text mode needs neither and is a great place to start. Voice mode needs a working microphone, and video mode needs a camera too. Use whichever matches how your real interview will be conducted.
Is my uploaded CV stored anywhere?
On Wrexa Edge the CV upload is optional and session-only — it is used to tailor questions during that session and is not saved. You can skip it entirely and still get a full, role-aware interview.