Building Android App for Enterprise Use

We would like to develop an Application to do the Quality Check process of the project system.
FAT Reports to be printed in PDF Format at the end of the qc process.
MS SQL Database or MySQL Database Preferred
Android App for Field use, control management center via Web Based Portal.
UI / UX included.
Business process and user authentication to be determined at the start of the project.

Checklists to be defined for a variety of products.
Many checklist required and checklist fields forms and data validation required.
Needs barcode scanning through barcode scanner and also integrated Camera for QR barcodes.