PHP,MYSQL website: bug fixes, enhancements

I am in need of a PROFESSIONAL EXPERIENCED PROGRAMMER who is proficient in PHP, mySQL, javascript. I have few essential functionalities that need to be fixed ASAP. the website is about online education. I know my way around code in this website and will provide info where to look, as well as screenshots to give better understanding what needs to be done. I NEED TO FIX THESE ISSUES WITHIN A WEEK SEFIR