Google Sheets/Excel Macro/scripting

I am in need of a Google Sheets expert who can create an advanced automation macro/script for my project. The specific task that the macro/script needs to perform is automation. I prefer using Google Sheets for this project. The complexity of the task is advanced, so I am looking for someone with advanced skills and experience in Google Sheets macro/scripting.

Skills/Experience required:
- Advanced knowledge and experience in Google Sheets macro/scripting
- Strong understanding of automation processes
- Ability to create complex macros/scripts to automate tasks in Google Sheets