Honestly, your code looks great. Yes, there are thousands things that can be done better, so there will always be people saying so (just like in this thread). B

Honestly, your code looks great. Yes, there are thousands things that can be done better, so there will always be people saying so (just like in this thread). But that's no reason to deny a candidate a chance. Mature companies realize this and aren't really looking for the perfect code. They are more interested in the thought process behind the assignment. I think you're just having a hard luck, specially with a tight tech job market.