My bet is the code is so closely related to the hardware that there isn't a clear distinction between software developers and sysadmins, they are known as devop

My bet is the code is so closely related to the hardware that there isn't a clear distinction between software developers and sysadmins, they are known as devops, something that is becoming more and more popular. I bet any "software developer" at a HFT firm would be able to entertain any of your questions.