Dear,sir!
I have read your job post in carefully and i have realized your purpose well.
I have many experiences developing this kind of projects like yours.
If you hire me,i'll do my best for you and i'll have never disappointed my customers, getting 5 marks till now.
This will be good opportunity for both of us, you will get expert developer, and I will get great customer.
Believe me and give me your project.
Waiting for your message.
Thanks