Dear Sir
I am a Senior Developer and I am applying for the development of your product because I think I have the potential to do this project because I have done such type of projects.
I have done plenty of project of mobile and web development some of which are shown in my portfolio. You should visit my portfolio to check my work.
I have many question about the project which I wish will be discussed after you accept my proposal, also give me the delivery date of the project.
Sincerely,
Bilal Liaquat
Senior Engineer