The interviewer asks the first question out loud
AIWalk me through how you'd approach optimizing rendering in a React app.
Confeer runs a real technical and behavioral interview with you by voice — just like a real interviewer abroad — and immediately shows you where you're losing points.
AIWalk me through how you'd approach optimizing rendering in a React app.
It listens — and adapts the next question to your answer, instead of reading from a script.
Below is exactly what happens inside the app. Scroll it: the rail on the left marks where you are.
AIWalk me through how you'd approach optimizing rendering in a React app.
EDITYour third point drifted into generalities. Name the actual component and a number: how many re-renders before, how many after.
Each dot is a finished interview, the line is your score. You see not just "better", but by how much.
You're technically ready. But a live call with a stranger in a foreign language triggers a freeze that eats up half your answer.
Behavioral sections, the STAR method, clarifying follow-ups — without understanding the format, you can get rejected before the technical part even starts.
Practicing in front of a mirror shows nothing. And a live mentor costs $50–150/hour — too expensive to practice every day.
Confeer is built for the developer who's just breaking into international remote work.
You've got the technical foundation — but not the habit of explaining your reasoning out loud, in English, under time pressure.
It's a safe space to make your mistakes before the call with a real recruiter — not during it.
No waitlist, no waiting — create an account and run your first voice interview with real feedback right now, free.
Don't lose the offer over nerves you could have rehearsed away beforehand.
Create an account — it's free