Auto-fill OTP Browser tamper monkey script

I'm in need of a developer capable of creating a browser extension that will automatically fill in One Time Passwords (OTPs) I receive on my mobile device. Here are some key details about the project:

- The extension should function on both Google Chrome and Mozilla Firefox.
- I currently do not have any extensions or add-ons related to auto-filling or password management installed on my system.
- The Auto-fill function will primarily be used on E-commerce websites and Social media platforms.

Ideal skills and experience for this job include:
- Proficiency in JavaScript and browser extension development
- Previous experience with OTP systems
- Strong understanding of browser compatibility and web standards
- Proven capability of building secure software.

Your understanding of user privacy and data protection is paramount for this project as sensitive data will need to be handled.