Native Android App Development Expert

I need a mobile app developer for a three-month project to create a native app for Android. The app should incorporate user authentication and push notifications, as well as interact with a Java API using Spring Boot.

Key Requirements:
- Expertise in native Android app development
- Proficient in implementing user authentication systems
- Skilled in integrating push notifications
- Experience working with Java APIs and Spring Boot
- Ability to deliver high-quality work within the stipulated timeframe

Ideal Skills:
- Native Android development
- User authentication
- Push notifications
- Java API integration
- Spring Boot

I am looking for a dedicated professional with a strong portfolio in native Android app development who can bring this project to fruition.