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Works for every role
System Design · Advanced
Walk me through designing a distributed rate limiter.
Clarity
9.1
Depth
7.8
Structure
8.4
AI Next Action
Mention token-bucket vs sliding window trade-offs and add explicit throughput numbers.
10,000+
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Report higher confidence
48 hrs
Avg. to measurable improvement
500+
Curated concepts & problems
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Record your answers to real interview questions and get instant AI scoring on clarity, depth, and structure—then a targeted action plan to improve.
System Design · Advanced
Walk me through how you'd design a distributed rate limiter for a global API gateway.
Clarity
9.1
Excellent
Depth
7.8
Add trade-offs
Structure
8.4
Good flow
AI Next Action
Mention explicit throughput numbers and explain token-bucket vs sliding window trade-offs.
Master every topic at your pace
Browse 500+ curated technical concepts across Algorithms, System Design, Backend, Frontend and more. Practice by explaining them out loud and get AI feedback.
Built around how real interviews work
Every detail mirrors actual hiring loops at top companies.
Voice-based answers
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Resume-aware questions
Upload your resume and Prephire generates targeted questions drilling into your specific experience and gaps.
Company-style simulation
Mirror the style and difficulty of top tech firms—Google loops, Meta design rounds, Amazon BQ—so nothing is unfamiliar.
Performance analytics
See score trends, identify weak spots, and watch your readiness grow session over session.
Any role, any level
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Instant, actionable feedback
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Set up your profile
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Practice daily
Study concepts, solve problems, and run AI mock interviews that generate fresh role-specific questions every session.
Review AI feedback
Read your detailed report—scores, highlights, missed signals—and immediately drill the weak spots.
Walk in ready
With a record of real improvement, you arrive at your on-site with confidence grounded in evidence, not hope.
Candidates who prepared with Prephire
From first-time seekers to senior leaders — prep works when it mirrors reality.
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Jordan M.
Senior Product Manager
Acquired at Series B startup
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Priya S.
Software Engineer
Offer from top-3 tech company
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Daniel K.
Staff Engineer
L6 at Google
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Maya R.
Data Scientist
Placed at Fortune 100
Interview questions built around your story.
Upload your resume and Prephire generates a curated drill set targeting your actual experience gaps—so you never waste time on questions that won't come up.
resume_2026.pdf
Analyzed · 42 questions generated
AI-Generated Questions
You listed Kafka at scale—how did you handle consumer lag in production?
Walk me through the tradeoffs of your microservice split at TechCorp.
Your resume shows a 6-month gap—how did you keep skills sharp?
Stop hoping. Start proving you're ready.
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