Andrew Chang

Andrew Chang

Code CoachCode Coach
Building Voice AI | YC S20 | Stanford 19
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Elixir ensures your voice agent is reliable and works as expected in production. Simulate realistic test calls. Automatically analyze conversations and identify mistakes. Debug issues with audio snippets, call transcripts, and LLM traces all in one platform.
Elixir
ElixirAutomated Testing & Call Review for your AI Voice Agent
Code Coach is an AI-powered interviewer that you talk to. It plugs right into Leetcode and turns any problem into a mock interview – it simulates a realistic interview environment and provides in-depth feedback on where you can improve.
Code Coach
Code CoachAI voice coach for technical interview practice