Now Live: Interactive Voice & STAR interview practice

Ace your next loopwith realistic AI interviews

Practice with an adaptive AI interviewer that analyzes your resume, asks sharp follow-up questions, and delivers granular STAR scorecard feedback.

Start free practiceWatch demo
app.roundzero.ai/practice/session

Configure Practice Session

Define your focus and let the AI adapt questions to your goals.

Target Role
DifficultySenior Engineer (L5)

Practice for interviews at top companies

GoogleAmazonMetaStripeAirbnbVercelNetflixSpotify

180ms

Voice latency

Real-time, lag-free conversations

STAR

Behavioral rubric

Granular STAR framework evaluation

24/7

On-demand loops

Unlimited practice without scheduling

Platform Capabilities

Everything you need tonail the interview

A complete interview preparation ecosystem combining real-time simulation with structured analytics.

Adaptive AI Interviewer

Our AI doesn't just read scripts. It analyzes your answer dynamically, probes deeper, and challenges you with follow-up loops.

Adaptive feedback loops
AI"Why did you choose PostgreSQL over DynamoDB for that scale?"
"PostgreSQL allowed us to query relational transaction data with strong ACID guarantees..."
AI"Probing trade-offs: How did you handle partition locks under high concurrent writes?"

Voice Mode

Engage in natural voice-to-voice practice. No keyboard inputs, no delays—just realistic conversation.

Resume-Tailored Questions

Upload your resume and target JD. Get custom interview loops mapping your experience to candidate requirements.

resume_final.pdfAnalyzed
ReactTypeScriptNode.jsRedisSystem Design

Performance Analytics

Track your speech speed, filler word rates, communication clarity, and technical completeness across sessions.

STAR scoring breakdown
Pacing ScoreOptimal
Filler Words2 "ums" / min
STAR CompetencyExcellent

Monaco Code Editor

Write, test, and run code while explaining your thought process. Evaluates structural soundness, edge cases, and runtime complexity.

solution.ts

function binarySearch(arr: number[], x: number) {

let l = 0, r = arr.length - 1;

while (l <= r) {

const mid = Math.floor((l + r) / 2);

}

}

On-Demand Rounds

Available 24 hours a day. Jump in for immediate practice loops. No scheduling, no calendars, and no waiting for interview partners.

Practice Session

Active Now

ANYTIME AVAILABLE
How it works

Four steps to interviewconfidence

A complete interview preparation system that combines AI-powered practice with actionable, personalized feedback.

01

Upload & Analyze

Drop your resume and job description. Our AI maps your experience to role requirements and identifies gaps before you even start.

Learn more
02

Voice Interview

Engage in natural voice conversation. The AI adapts questions based on your answers, probes deeper, and challenges your thinking.

Learn more
03

Live Coding

Solve problems in our Monaco-powered editor while explaining your approach. We evaluate your process, not just the final answer.

Learn more
04

Instant Feedback

Get a detailed scorecard with specific, actionable improvements. Know exactly what to work on before your real interview.

Learn more
Detailed Analytics

Feedback thatactually helps

No more vague "you did great!" Get specific, actionable insights after every session so you know exactly how to improve. Click the mockup tabs to preview different reports.

Communication Analysis

Filler words, pacing, clarity score, and tone assessment with specific timestamps

Technical Accuracy

Solution correctness, edge case coverage, time/space complexity analysis

Progress Tracking

Performance trends across sessions with personalized improvement roadmap

app.roundzero.ai/report/session_104

Session Evaluation Summary

Role: Senior Frontend Engineer

8.7/10

Technical Accuracy

8.5/10

STAR Structuring

9.0/10

Speech Pacing

8.6/10

Improvement Trend (Last 3 Mocks)+1.5 SCORE BOOST
7.2
Mock 1
8.0
Mock 2
8.7
Mock 3
Scoring verified by RoundZero rubric
ID: report_991823a
Why RoundZero

The smarter way toprepare

See how RoundZero compares to traditional preparation methods.

FeatureFriendsLeetCodeRoundZero
Available 24/7
Voice-based practice
Personalized to your resume
Real-time follow-up questions
Detailed feedback & scoring
Behavioral + Technical
No scheduling needed
Tracks improvement over time
Audio samples

Hear thedifference

Listen to real interview sessions and experience how our AI adapts to different scenarios.

Behavioral Round

Conflict resolution & leadership

2:34

Technical Deep-dive

System design discussion

3:12

AI Feedback

Detailed performance review

1:45

Simple pricing

Invest in your career

Start free, upgrade when you're ready. Cancel anytime, no questions asked.

Free
$0forever

Perfect for getting a feel of RoundZero.

  • 2 AI Mock Interviews per month
  • Basic feedback & scoring
  • System design problems
  • Community support
Pro
Popular
$18.99/month

For serious candidates ready to land offers.

  • 20 AI Mock Interviews per month
  • Advanced scoring & gap analysis
  • System design problems
  • Analytics PDF export
  • Priority email support
Elite
$38.99/month

The ultimate edge for senior engineering roles.

  • Unlimited AI Mock Interviews
  • System design problems
  • Advanced analytics exports
  • Targeted drills & custom libraries
  • Dedicated success manager
FAQ

Questions?We've got answers

Everything you need to know about RoundZero and interview preparation.

Still have questions? We're here to help.

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