Uber, Square, FlexPort I would rank FlexPort higher for growth potential, but my understanding is that they have a gnarly large Ruby on Rails legacy codebase t

Uber, Square, FlexPort I would rank FlexPort higher for growth potential, but my understanding is that they have a gnarly large Ruby on Rails legacy codebase that I wouldn't want to work on. If I'm wrong here, please correct me. I don't think Instacart will do well long-term.