Dear Hiring Manager,
I'm a web developer, and I'm very interested in your job post "Implement gatikwe tracking on my site". I have recently worked for a US Company as a team leader, where my responsibilities included website development. I have consistently delivered projects on time and under budget. I believe my skills would be ideal for your project.
I am available to chat by IM, email and would be happy to set up a convenient time to discuss the application you're wish to do. I will be available 15 hours per week for this job.
Regards,
Jervis Sim