EPCIS Serialization XML File Creation - Updates Required

We are looking for an experienced developer or XML specialist who can assist with creating and modifying an EPCIS serialization XML file for pharmaceutical products. We have already done some initial work, but we require further changes to meet the necessary standards.

Requirements:

We have the necessary information to generate the EPCIS XML files, but we need assistance in implementing the following changes:

Ensuring that EPCISHeader and EPCISBody are structured correctly as per the GS1 EPCIS standards.

Fixing any missing EPC or quantity elements in the event structure.

Correctly placing Action and Biz Step values for each ObjectEvent.

Aggregating products into a commissioned SSCC and ensuring proper shipping events are added.

Implementing the correct SGLN, GTIN, SSCC, and other product-specific identifiers in the XML.

We have the initial EPCIS serialization data and just need the necessary corrections to make the XML file compliant with the GS1 EPCIS standards.

Scope of Work:

Review and update the initial EPCIS XML file we have created.

Correct the EPCISHeader structure as required.

Implement EPC or quantity elements in the event list.

Implement bizTransactionList, sourceList, and destinationList.

Ensure proper serialization of the products with unique serial numbers.

Skills Required:

Experience with EPCIS serialization and XML schema.

Familiarity with GS1 standards and pharmaceutical serialization.

Strong attention to detail and ability to work with data provided in Excel sheets or CSV format.