Node.js Developer for Learning App

I need an experienced Node.js developer to help with API development for a learning application.

Key requirements:
- Develop robust APIs to support app functionalities.
- Integrate Google OAuth for user authentication.

Ideal skills and experience:
- Proficiency in Node.js and API development.
- Experience with OAuth and third-party integrations, particularly Google.
- Strong understanding of security practices in authentication.

Looking for efficient and clean code. Please share relevant work experience.