Telegram Bot for Ad Management

I am looking for an experienced Telegram Bot Developer to build a custom Telegram bot. The main purpose of this bot is to display advertisements/tasks to users and automatically send them a single-use invite link to a private Telegram channel upon successful completion... (Budget: ₹1500 - ₹12500 INR, Jobs: Android, API Development, API Integration, Bot Development, Chatbot, MySQL, PHP, Software Architecture, Telegram API)