Python Script Revamp

I'm looking for a skilled Python developer to revamp an existing script. The script is currently used for data transformation tasks, processing data in JSON or XML format.

Key Requirements:
- Revamp an existing Python script
- Handle data transformation tasks
- Work with JSON and XML data formats

Ideal Skills and Experience:
- Proficiency in Python
- Experience with data transformation
- Familiarity with JSON and XML data structures
- Ability to write clean, maintainable code
- Experience with version control systems like Git

Please provide examples of similar work done.