Dear Mr. Lopez,
I would like to propose an application for your project. With an extensive background in editing, proofreading, academic/technical/article/creative writing, and a 5 year experience in the health and medical fields, I have full confidence that you will find my skills and knowledge indispensable. Please refer to my profile for writing samples and contact me should you find me suitable to write for you.
Thank you.
Sincerely,
Mara