How can a non-technical founder manage developers effectively?
Verify properties rather than judging code. Own the repository and accounts, insist on a one-page architecture description, ask what would break if a specific person left, and watch whether estimates for similar work are growing. All of that is available without technical skill.
From Staying in control of software you can't read, published 9 August 2026. That article is where the reasoning behind this answer is set out, including what it does not cover.