You are a software engineer, so you can reasonably price your work at 200 usd/hr. Collect evidence for the exact amount of time you spent on this issue, then h

You are a software engineer, so you can reasonably price your work at 200 usd/hr. Collect evidence for the exact amount of time you spent on this issue, then have a lawyer write a lawyer letter. If they don't pay, sue them. Companies don't care about their minons getting yelled at. They care about getting sued.