modify .vlg data

I am looking for a skilled freelancer who can modify my .vlg data to add new features. The purpose of this project is to improve functionality and enhance user experience. I have a detailed list of the new features that I would like to be added, and they are relatively simple to implement. I am looking for someone with experience in modifying .vlg data and who is proficient in programming languages such as Java or C++. Attention to detail and the ability to work efficiently are also important qualities that I am seeking in a freelancer.