Dear sir,
I have found your job posting. I am interested to do this job and so place my bid for your kind consideration.
I have strong knowledge in English language including spelling and grammar.
I am confident I can meet and exceed your expectations.
I can complete your project within your budget and by the date you have specified.
I have carefully read your job description, and because I am sincere and honest, I am confident I can complete your job very well.
I can achieve the results you are seeking.
I would love to work with you.
I am excited for this opportunity.
I look forward to receiving your response and wish to work with you for long term.
Thanks for take a look on my application.