Pipedrive SMS Integration

I'm looking for a developer to integrate an SMS application with Pipedrive CRM. The application should support both sending and receiving SMS.

Additionally, the integration requires implementing OAuth for user authentication, with the backend built on .Net Core 3.1.

Key Requirements:

• Integrate SMS functionality with Pipedrive CRM.
• Support both sending and receiving SMS.
• Implement OAuth for secure user authentication.
• Backend development expertise in .Net Core 3.1.

Ideal Skills & Experience:

• Expertise in Pipedrive API.
• Experience with SMS APIs (Twilio, Nexmo, etc.).
• Knowledge of OAuth implementation and user authentication mechanisms.
• Strong background in .Net Core development.

Please provide examples of similar work done.