He had great suggestions that dramatically improved the design and approach. As a professional developments manager I can say Sergey is a top notch developer with the rare ability to understand vagure needs and build the right software. I am already preparing the next project I would like him to work on. I am extremely impressed with his work and ability to deliver.
Link to the original freelance project: https://www.freelancer.com/projects/2960169.html
Freelance Project categories: ASP, PHP