Hear a question → see the perfect answer instantly. InterviewChamp gives you real-time AI answers, live transcription, resume tailoring, and scorecards — so you walk in confident and walk out hired.
Can you walk me through how you'd design a rate limiter for a high-traffic API?
Sure, let me think about the requirements first...
Great question. I'd use a token-bucket algorithm implemented in Redis:
For 100k+ RPS, I'd shard by user-hash and deploy Redis clusters per region to keep p99 under 5ms.
Works With Every Platform
From prep to post-interview analysis — a complete toolkit that gives you an unfair advantage.
Real-time transcription of both you and the interviewer. Sub-500ms cadence, 27+ languages supported out of the box.
Learn moreOne click generates context-aware answers using your resume, the JD, and full transcript. Claude Sonnet streaming in ~200ms.
Learn moreCapture coding questions, system design diagrams or any visual — GPT-4o Vision analyzes it in real time.
Learn moreATS-friendly resumes with AI bullet generation, live scoring, and tailoring to any job description.
Learn morePost-session analysis across Confidence, Technical Depth, Clarity, and Relevance — with answer-level feedback.
Learn moreGiven your resume + JD, get the 20 most likely questions with ideal answers and a practice mode.
Learn moreNo downloads, no extensions, no complicated setup. Just open your browser.
Drop your PDF or DOCX. We parse it instantly — it becomes your AI context.
Add the job description, company name, and any notes. AI loads full context.
Turn on mic + screen share. Transcription starts, AI answers are one click away.
Five-stage pipeline tuned for real-time interviews.
“I used the AI resume tailor before applying and the live answers during my Google interview. Got the offer within a week. This tool is insane.”
“The scorecard feature helped me identify I was weak on system design explanations. After 3 practice sessions, my scores went from 52 to 89.”
“Having my resume, the JD, and live transcription all feeding into the AI context is a game changer. No other tool connects all four.”
Start free. Upgrade only when you need more. No hidden fees.
Try it out, no card required.
Only pay for what you use.
For heavy interviewers.
We use Speechmatics for sub-500ms real-time transcription of both you and the interviewer. Audio never leaves your device unencrypted — the browser streams directly to Speechmatics' Europe-2 edge.
Yes — 10 minutes of AI session time, no credit card required. Upgrade when you need more.
Claude Sonnet is our primary model for speed and accuracy. Pro users also get GPT-4o, Gemini 2.5, and Groq Llama 3.3 70B.
Any video platform — Zoom, Google Meet, Teams, Webex, HackerRank, phone. We capture system audio, so we work everywhere your interview happens.
No — it runs entirely in your browser. There's an optional desktop app for advanced stealth features, but the web version handles 99% of use cases.
Yes — cancel from your Profile → Billing tab. You keep access until the end of the billing period.
Paste a job description, upload your old resume, and our AI rewrites bullets to match — with live ATS scoring and one-click export to PDF.
No. InterviewChamp runs in a separate browser tab — no screen-share banner, no webcam indicator, no notification sounds. Your interviewer sees only your video feed.
Join thousands of candidates who interview smarter, not harder. 10 free minutes — no credit card, no catch.
No credit card•30-second setup