Hello, I've just seen your job description and I think I can complete it perfectly.
Very skilled iOS/Android/Web developer with technologies of Objective C, Swift, Java, React Native, Ruby on Rails and Firebase, I have developed several kinds of iOS/Android apps and Web sites.
During for about 6 years, I could acquired wide web and mobile technologies about back-end and front-end development.
I am trying to satisfy the clients as perfect as I can.
If you want, you can check my skills and discuss about technical problems.
I am always ready for you. I'll be surely your good fellow by the best results.
I am looking forward your good reply.
Regards.