Dear Hiring manager,
Kindly I'm writing to you to express my interest working for you on this full time project, I have about 7 years experience working as .Net programmer with a very high experience on Microsoft products, I have developed many application on excel using vb to build a new excel functions, I'm using excel everyday on my work, I'm looking forward to have an interview with you, please let me know if you need any further details.
Thanks and Kind Regards,
Mohamed