Android Personal Finance Tracker App

I'm looking for an experienced mobile app developer to create a personal financial tracker app for Android. The app should include the following core functionalities:

- Expense Tracking: Allow users to log and categorize their expenses easily.
- Budget Planning: Enable users to set budgets for different categories and track their spending against these budgets.
- Income Management: Help users manage and record their income sources.

Ideal Skills and Experience:
- Proven experience in Android app development.
- Strong understanding of financial management concepts.
- Ability to create user-friendly and intuitive app interfaces.
- Experience with backend development to securely store user data.

Please provide examples of similar projects you've completed.