Dear Hiring Manager,
Thank you for such a great opportunity.
Your job posting has caught my attention requiring the skills of Wordpress development and I am keenly considering your job post. I have excellent experience in Wordpress back-end development and plugins development. I have developed a number of complicated wordpress plugins and won the trust of my clients.
Also, I have worked on a number of built-in wordpress plugins and can manage it well. I believe my abilities would be perfect for your venture. I can finish this job within the necessary time frame. I have years of experience in Wordpress and can provide you my past sample work as well. I will be serving you with all my hard work and skills.
I hope you'd give me this opportunity.
Regards,