TierOnePrep
Interactive system design prep for FAANG & AI-era companies
What is TierOnePrep?
Interactive interview prep for FAANG and AI-era companies (Meta, Anthropic, Nvidia, Google, OpenAI, SpaceX). System design questions are 4-phase simulations of real interviews — vague brief, clarifying questions, architecture, hard follow-ups. Coding questions show algorithms running live with step-by-step visualizations. Written by engineers who've conducted hundreds of interviews at top companies. 12 free questions, no credit card.
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