What Should You Use Now That Google Interview Warmup Is Dead?

How I built 10xInterview.com solo - the dual-backend AI router, SSE token streaming, pgvector for embeddings, and webhook-driven billing. A Google Interview Warmup alternative. When Google quietly retired Interview Warmup, a small but useful tool that let you record spoken interview answers and get AI feedback, I had two reactions. First: that's a shame, I used it. Second: I can build something better. A year later, 10xInterview is live. Solo-built. One Go binary, one React SPA, one Postgres database, one shell script to deploy the whole thing.