The start contribuiting to the back-end, you need to install the requirements for the project. Cmake a necessary requirement for dlib to compile.
On windows Visual Studio for C++ needs to be installed for dlib to compile
On linux, build essentials needs to be installed before the project can compile
sudo apt-get install python python-pip build-essential cmake pkg-config libx11-dev libatlas-base-dev libgtk-3-dev libboost-python-dev -y