Hi dear
I think that I am the developer you are looking for and are suitable for this task.
If you award me, you'll never be disappointed to me.
I will respect and implement your needs as soon as possible, so that you will be satisfied with my working.
If you are not satisfied with my work, you may not pay for it.
I'm ready to start right now and hope to discuss the project in detail.
I think good communication and daily commit is the key to success project.
Looking forward your positive response.
Regards