C++ backend, pure javascript (with some emscripten) front-end for the web conferencing platform I work on. Mysql/perl/php for the website, with Centos 6 on the

C++ backend, pure javascript (with some emscripten) front-end for the web conferencing platform I work on. Mysql/perl/php for the website, with Centos 6 on the server. I'm more interested in building a very efficient and reliable service and solving challenging problems than using trendy technologies.