Question: I'm looking for a tool that provides unlimited practice opportunities for system design problems with detailed feedback.

Intervu is an AI-powered platform that simulates real-world interviews. It offers unlimited true-to-life system design interviews, a realistic interview environment where you can select the interviewer, and a built-in whiteboard for drawing architecture diagrams. The platform also includes a generative AI model trained on millions of interviews, a leaderboard to track your progress, and detailed feedback to help you improve and avoid repeating mistakes.

Another good option is InterviewAI. It automates the interview process by generating personalized questions in real-time. It offers unlimited AI-generated practice interviews with instant feedback, which helps improve your performance and increase confidence in every interview. This tool is particularly useful for reducing screening time and quickly identifying top candidates, making it ideal for both job seekers and institutions of higher education.

For a more focused mock interview experience, SpeakSmart provides personalized questions based on your professional profile and job description. It offers unlimited practice sessions, AI analysis, and actionable feedback to help you pinpoint areas of strength and weakness. With successful hires at top companies like Microsoft and Google, SpeakSmart is a well-tested platform designed to make interview preparation more accessible and effective.