PART-Time job for Senior Android Developer

We are looking for an Expert Android App Developer to develop VPN, Tools, Photography, Productivity related apps for Google Play and maintenance them.

Part-time (20 hours/week)
Experience: atleast 4 years.

Monthly Salary: $400-$500

Job Requirements:
4+ years of solid Android app development experience.
Previous VPN app development experience
Familiar with VPS server setup (Need for VPN app)
Published at least 3 or more apps on the Play Store
Proficiency in Java/Kotlin.
Strong knowledge of Android UI design principles, patterns, and best practices
Familiar with Git, Trello, and other project management standards
Design, code, test and implement with clean & standard coding style.

Nice to Have:
Good problem-solving skills and background in contest programming.
Keen sense of design and drive to implement pixel-perfect UI.
Understanding of software architecture patterns.