Dear Hiring Manager,
Thank you for reviewing my proposal.
I have gone through your job posting and I understood about your requirements. I am very much interested in working with you. I have previous experiences of work at a different market place in these fields. I have already completed several projects like this. I hope, I would be the right candidate for this post within your expected budget and time.
Awaiting for a positive response from you.
Kinds Regards,
Mourin Rahman