> You can choose to have a gap or failure on your résumé. Either makes you unemployable at the types of banks or consultancies considered "safe" in the article, unless you have some sort of remarkable pedigree or network.

This is all anecdotal but... You won't be unemployable because you ran a company and it failed. You may however be because you had "founder responsibilities" and then try to fall back into engineering roles after 5 years of running a startup.

Even at an investment bank in London, the percentage of FCA regulated jobs that would exclude you for recent personal bankruptcy would be less than 1%. And the reason for personal bankruptcy would be important. Did you go bankrupt for gambling losses or unpaid medical bills? These would receive very different treatment by the FCA when considering your application.