✨ Built for the US / UK interview loop
Pick your skill track
AI-powered prep for the five most common product + engineering interview loops. Cheatsheets, spaced-rep flashcards, and mock interviews graded by an AI panel.
Data Structures & Algorithms
AI-generated solutions, dry runs, and pattern flashcards.
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System Design Interviews
Senior-level mock loops with an AI interviewer that pushes back.
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SQL for Data + Engineering Interviews
From window functions to query plans — interview-grade SQL.
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Product Management Interviews
CIRCLES, RICE, and metric trees — drilled by an AI PM interviewer.
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Product Design Interviews
Portfolio prep + AI critique that names what your case study is missing.
Open the Design track →