Dear Hiring Manager,
Today I have found this job post in freelancer, and I'm very interested in your job post involving these skills, I have good experience in this field. I believe that my skills would be ideal for your project. I can complete this job withing the required time period
"Moving forward, I can dedicate 30 hours/week for your job, and my daily hours are negotiable. I'm very excited to offer my services for your job. Please contact with me to discuss this position further."
Regards,
Tipu Sultan