AI-Powered Coding Interview Prep Platform

Backend developers preparing for interviews need curated, realistic questions and instant feedback. A platform with AI-generated interview questions, code evaluation, and performance tracking helps candidates practice efficiently. Target: junior developers, career switchers, bootcamp graduates.

The FAANG-prep anxiety cycle is real and well-documented, and with mass tech layoffs since 2022 pushing hundreds of thousands of developers back into job markets, demand for structured interview practice has measurably spiked. LeetCode is the obvious incumbent here, but it's weak on personalized feedback and doesn't leverage LLMs in any meaningful way, which is the actual gap. The $1.5k–6k/mo revenue band is plausible for a solo founder with a small paid tier, but it implies a ceiling — this audience is notoriously price-sensitive and will cancel the moment they land a job, making churn the dominant unit economics problem, not acquisition. The biggest risk is that LeetCode, Educative, or AlgoExpert ships a GPT-wrapper feature and closes the feedback gap within a product cycle, leaving a niche tool with no durable differentiation.