Hi, there!
My name is Paris, and I was glad to see that you're looking for an Excel developer. According to your brief, you want to upgrade your application in Excel. Please, more details about it. Is it about formulas, VBA code, graphs, etc.?
I'm among the most experienced, and skilled Excel, and VBA developers on this platform. I have completed over 270 projects successfully in less than six years, and I feel confident to complete your project as well. You're welcome to visit my page (https://www.freelancer.com/u/paris2785) and get an idea of who I am and what services I provide to my clients.
I will charge you $22/hour and can start right away.
I'm online from 8 am to 9 pm, Athens time (including weekends).
I'm looking forward to working with you.
Sincerely,
Paris Pallas