Trading Application

I am looking for the developer who worked on trading app. I am looking for exactly the similar app of which I am sharing some photos and videos of frond end and back end. Only those who worked ok the below mentioned app alone contact me. Those who want to start from scratch pls ignore. I am looking for someone who has this app ready with them and give me on immediate basis. Looking for a Freelancer developer only and not a company. Payment will be made only through freelancer based on milestones and work.