Debug & Relaunch HFT System

Our in-house high-frequency trading platform was taken offline after we noticed data-related glitches surfacing directly inside the code. I need an experienced HFT developer to dive in, track down, and eliminate the trading or data issues that are preventing a safe relaunch... (Budget: $5000 - $500000 USD, Jobs: C++ Programming, Data Analysis, Debugging, HFT, JavaScript, MySQL, PHP, Software Architecture, Trading)