Python Selenium App for Automated Data Entry

I'm looking for a Python Selenium expert to develop an app that automates data entry into custom website. The app should be capable of submitting information into text fields and click the submit button.

Ideal Skills and Experience:
- Proficiency in Python and experience with Selenium
- Prior experience in developing data entry automation tools
- Familiarity with custom internal sites (preferred)
- Strong problem-solving skills and attention to detail

Please, if you have the required skills and experience, I'd love to hear from you.