Upgrade of Ionic App Modules -- 2

I'm looking for an expert in Ionic framework to upgrade all node modules in my app to their latest versions. I am not certain what the current Ionic version is so I need someone experienced in identifying and working with all versions.

Here's what I need:
- Identification of the current Ionic version
- Node modules upgraded to the latest versions
- Ensure the app is fully functional post-upgrade

Ideally, you will have:
- Extensive experience with Ionic frameworks
- A detailed understanding and experience working with node modules
- Strong problem-solving skills

Please include your past work and a detailed proposal to be considered for this contract.