Android App OTP Integration

I need an experienced Android developer to integrate an email-based OTP verification system into my mobile app using Google SMTP with Nodemailer.

Requirements:
- OTP Verification: Implement OTP (One Time Password) for email verification.
- Delivery Method: Use email as the delivery method for sending OTPs.
- Email Provider: Integrate exclusively with Google SMTP using Nodemailer.

Ideal Skills and Experience:
- Proficiency in Android app development.
- Experience with Nodemailer and Google SMTP.
- Strong understanding of OTP verification processes.
- Familiarity with email integration in mobile applications.

Please provide relevant experience in your bids.