Sales Roles to outreach on email and phone and achieve a goal we mutually fix

I need some help with internet marketing blended with mainly collecting database, outreaching the data and rigourously following up. Also calling the same data to get their correct info and then email them and rigourously follow up. Further calling all of them to follow up and ensure they read our emails and ensure the act on the email by signing up on our website as a member at least on a free plan. We have a directory for WordPress Developers [login to view URL] and I need someone who can do all above tasks 4 hours a day , 100hours a month(25 working days of 4hours each). You need to find leads(yes training will be provided) You need to email them, follow-up them and keep record of all the emails sent and follow up made and who replied and what. Who joined our web directory and who not and all information so that you can better do the sales. You will also need to make calls to all the leads and ensure they join on board. Your target for the first month would be: Get at least 400 WordPress high quality developers join our site and they complete their profile. and you learn entirely what all we need exactly you to do. I am looking for someone whom I can hire each and every month Everytime.