Senior Android Developer for SIP Soft Phone

We are in need of a seasoned Android developer with extensive experience in VoIP technologies, particularly SIP (Session Initiation Protocol), for the development of a commercially viable Soft Phone (VoIP & SIP) application.

Key Requirements:
- Strong background in both backend and frontend development.
- Proficient in implementing call routing and logging functionalities on the backend.
- Capable of creating a user-friendly dialer interface on the frontend.
- Experience with user authentication and management is a plus.
- Familiarity with encryption technologies is a nice-to-have.

Ideal Skills and Experience:
- Extensive experience in VoIP technologies, particularly SIP.
- Proven track record in Android application development.
- Strong backend and frontend development skills.
- Experience with implementing call routing and logging.
- Ability to create user-friendly interfaces.
- Knowledge in encryption technologies is a plus.