Telegram Bot for Digital Item Sales

I'm looking to develop a Telegram bot specifically for selling digital items, primarily social media accounts, categorized by country. The bot will support transactions using TON cryptocurrency.

Key Features:
- Onboarding with language selection: English, Russian, Chinese
- Functionalities similar to a reference bot (name will be shared privately)
- MongoDB backend to manage and update inventory
- Crypto payment integration via CryptoCloud API
- Environment variables stored in a .env file for easy configuration

Ideal skills and experience:
- Proficiency in bot development, especially for Telegram
- Experience with MongoDB and CryptoCloud API integration
- Familiarity with multi-language support in applications
- Strong knowledge of .env file configuration and management

Looking forward to your bids!