This is a long-term project for an experienced PHP / MySQL / CI back-end developer. This is an existing web site that performs large scale data analysis. When applying, please describe: 1) Your experience with PHP, MySQL, CI and Git 2) Your experience with complex, slow query optimization 3) Your work hours and availability. I am looking for someone who will work 40 - 50 hours per week. You must be able to work 7AM - 3PM Pacific Time on weekdays.