According to Evgeny Demchenko, technical debt and financial debt have many things in common - if used strategically, they accelerate growth, if not repaid diligently, they hinder it. Evgeny is a CTO of an O2O talent sourcing platform Top Twenty Talent and one of the organizers of the Beijing Python Meetup. He is specialized in building startups, managing complex systems and refactoring code. We talk with Evgeny about his passion for refactoring and he shares with us his technical debt philosophy, his workflow and his favorite tools of the trade.