Live Chat Widget Update for 27 Sites

I am looking for a professional to update the live chat widget across my 27 websites. This is a precursor to more projects in the future, so a successful job could lead to a long-term collaboration.

Ideal Skills:
- Extensive experience with updating live chat widgets
- Understanding of optimizing chat for user engagement
- Ability to ensure consistent updates across multiple sites

Please note, specifics regarding features, platform and service provider were not determined. Therefore, flexibility and adaptability will be key.