OpenAI
Realtime
WebSockets
Next.js
Node.js
Audio
Interview Prep

Building Real-Time Mock Interviews with OpenAI Realtime API

A behind-the-scenes look at building a real-time mock interview system using OpenAI Realtime API, Next.js, Node.js, WebSockets, and audio streaming — including the tricky bugs and how they were fixed.

By Raj Sharma
Published November 25, 2025
10 min read
Building Real-Time Mock Interviews with OpenAI Realtime API

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