Android PDF Scanner Development

I'm looking for an experienced Android developer to create a PDF scanner app with the following features:

Core Functionality:
- Document scanning using camera capture and import from gallery.

Essential PDF Editing:
- Ability to merge multiple PDFs.

Ideal Skills and Experience:
- Proficiency in Android app development.
- Experience with camera APIs and image processing.
- Knowledge of PDF manipulation libraries.
- Strong UI/UX design skills for an intuitive user experience.

Please provide samples of similar work done.