Development of a PHP (ver 7) script to be run in a back-end application (MYSQL) for FOREX by ValeryC

I am looking for a professional developer (PHP/MYSQL) to develop a "complex" script that will update fields in MYSQL. In Summary, The application is related to FOREX. I have three type tables: 1) a set of tables showing the bid/ask price for several pairs (e.g... (Budget: $30 - $250 USD, Jobs: MySQL, PHP, Software Architecture)