hello !
I have gone through your job posting and become very much interested to work with you.
I am an expert in this field.
I have already completed several projects like this.
Awaiting an affirmative response from you!
Dear Prospect Hiring Manager.
Thank you for giving me a chance to bid on your project. i am a serious bidder here and i have already worked on a similar project before and can deliver as u have mentioned
"I can do this job and give you an efficient job that will be very acceptable and presentable. I and my team work on web development and mobile apps and I can assure you that you will never be disappointed"