iOS App Development with Barcode Scanning

I am looking for an experienced iOS developer to create a mobile app that can send and receive data and images to a Java servlet for storage in a phone database.

Key Features:
- Core Data as the preferred database
- Barcode scanning functionality through the mobile camera
- Validation of different types of input data: text, numeric, and barcode data
- Sending and recieving of data and images from java servlet

Ideal Skills:
- Proficiency in iOS development
- Experience with Core Data
- Familiarity with barcode scanning integration
- Strong understanding of data validation processes

Please provide examples of similar projects you have completed.