Looking for a developer for home services mobile app

Hi guys My name is Eric and I wanna implement an app for a business in Mexico, an app where people can connect each other. someone who is looking for a worker and a worker who is ready to work, jobs like: cleaners, electricians, plumbing, gardeners and so on, and i would like to get an app which is very secure and confident where the customers feels comfortable on it... where we can process a payment through, leave reviews, rate workers, send messages, verify identities, be able to see the address of the hiring person and go to google maps to make our travel...

I am looking for that person who can develop that app and I believe one of you could be very value in my team, let me know, how much is it would cost... is very important to know that to start, and let me know what do you can offer in this project.