AI-Powered Interview Preparation SaaS with Telegram Bot

A subscription-based SaaS platform that generates personalized interview questions from user resumes/CVs using OpenAI GPT. Includes a Telegram Mini App for mobile practice, Stripe subscriptions (monthly/yearly), credit-based usage tracking, and progress analytics. The Telegram bot allows users to practice interviews conversationally with AI feedback. Built with a clean, modern UI optimized for conversion. Stack: Next.js, FastAPI, OpenAI API, Stripe, Telegram Bot API, PostgreSQL, Tailwind CSS