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Dev.to
5/9/2026
BugFree.ai: AI-Powered System Design Interview Prep Platform

BugFree.ai: AI-Powered System Design Interview Prep Platform

Original: I Found LeetCode for Software Design, and It’s Awesome

Short summary

BugFree.ai offers interactive, AI-powered system design interview prep with hands-on problems, automated feedback, and unlimited mock interviews—a hands-on alternative to expensive courses and fragmented resources. The author credits it with improving their FAANG interview performance through 10+ practice sessions.

  • •Positions as 'LeetCode for system design' with interactive problems and real-time evaluation
  • •Includes AI-powered mock interviews claimed to be cheaper than $200-500 per-session alternatives
  • •Covers both high-level design and low-level OOD with difficulty-based progression

Generated with AI, which can make mistakes.

#ai-tools#certification-education
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