Python Software Enhancement for offline and online and bug fixed

I need to update my existing Python software that works both online and offline.

Requirements:
- Add new features
- Ensure Current Bug fixed
- Ensure both online and offline functionalities are stable

Ideal Skills and Experience:
- Proficiency in Python
- Experience with online and offline software functionalities
- Strong problem-solving skills
- Ability to implement new features effectively

Please provide a portfolio showcasing similar projects.