Customization of Client App -- 2

I need a skilled developer to customize my client app. The project involves UI/UX design changes, adding new features, and fixing existing bugs.

UI/UX design changes needed on:
- Home screen
- Navigation menu
- Profile page

New features to add:
- Push notifications
- In-app purchases
- Social media integration

Ideal Skills and Experience:
- Proficiency in UI/UX design
- Experience in app development and integrating new features
- Strong debugging skills
- Familiarity with push notifications, in-app purchases, and social media APIs

Please provide past work samples and a brief plan on how you'll approach this project.