I built an AI-powered technical interview prep tool

Show HN: I built an AI-powered technical interview prep tool

I built an AI-powered technical interview prep tool is a business in show hn launch.

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LeetCode wasn't actually preparing me or anyone else for the pressure of a real technical interview.Most platforms just give you a text box and a compiler. I wanted something that actually simulates the back-and-forth of an interviewer pushing you on time complexity, asking follow-up questions, and pointing out edge cases you missed.> The Stack: I built the backend with nestjs, prisma, postgresql, Webrtc for real time back and forth conv and [socket.io](http://socket.io) events in panel like code run etc…. claude-haiku-4-5 for conv and anthropic.claude-sonnet-4-6 for interview scoring.> Where it still falls short: It’s not perfect. Sometimes the AI gets overly pedantic about syntax instead o

As a business in show hn launch, I built an AI-powered technical interview prep tool is listed here with the public details available about it.

It is recorded at the Show HN launch stage.

Website: crackr.dev