Android App Developer for Transport Service

I'm looking for an fresher or experienced Android app developer to assist me in creating an app for my cab service business. The app needs to have a focus on transport and logistics, with a key emphasis on system optimization.

Key Requirements:
- Proven experience in designing and developing Android apps, particularly in the transport and logistics sector.
- Strong skills in system optimization to ensure the app runs efficiently and effectively.
- Ability to incorporate features that improve system performance and user experience.

Optional, but Preferred:
- Experience with implementing productivity tools within an app.
- Understanding of task scheduling and route planning.

The ideal candidate for this project should have a strong background in Android app development and a proven track record in creating efficient, user-friendly transport service apps.