The first product manager in a small company is usually hired because engineering is asking what to build next and the founder has run out of hours to answer. That framing produces a coordinator: someone who writes tickets, chases updates and runs standups. It is a real job and it is not what a product manager is for, and hiring at product manager salary for it is expensive administration.
The value is in deciding what not to build. A product team of eight can build perhaps twenty things a year and will be asked for two hundred. The person who decides which twenty — with evidence, against a stated goal, and with the standing to tell a sales director no — changes the company's output more than another engineer would. If nobody currently has both the information and the authority to make that call, that is the vacancy.
So hire for judgement rather than for process. In the interview, give them a real decision your company faces, with the messy context, and watch how they approach it. Do they ask who the user is and what evidence exists? Do they propose a way to find out cheaply? Do they identify what would have to be true for each option to be right? Candidates who move straight to a framework or a prioritisation matrix are performing the role rather than doing it.
The first ninety days should produce clarity rather than throughput. What are we optimising for, what do we know about our users that is evidence rather than belief, and what are the three things we are not doing this quarter. A product manager who arrives and immediately restructures the backlog has started at the wrong end, and the tidier backlog will not survive the first change of direction.
One structural point that decides whether the hire works. If the founder continues to make product decisions informally — approving things in corridors, redirecting engineers directly — the product manager has responsibility without authority, and the good ones leave within a year. That is a decision the founder has to make consciously before hiring, and the honest version is sometimes that they are not ready to delegate, in which case a strong analyst or a project manager is the better hire.