Alternate Signal Delivery Without Python

My current trading automation is written in Python and it keeps letting me down—frequent disconnections, sluggish execution, and a parade of cryptic error messages. Rather than trying to patch it yet again, I want a fresh start in a different language and, preferably, a lighter-weight stack... (Budget: $30 - $250 USD, Jobs: API, Automation, Java, JavaScript, Python, Ruby, Software Architecture, Trading)