What Does a Solo Founder Actually Do?

People ask how I built ka-do alone.

The honest answer is: I didn't. Not exactly.

I built it the way a one-person architecture firm designs a building. The architect makes every decision: the structure, the aesthetics, the brief, the client relationship. But they don't do it in isolation. They have tools that answer technical questions instantly, draft documents, review calculations. They know enough to know when the tool is right and when it's wrong.

That's roughly what solo-with-AI looks like.

What a software product used to require

A software product used to require a team. A developer to write the code. A designer for the interface. A product manager to decide what to build. A QA engineer to find what breaks. A devops person to keep it running. A copywriter for the words. Someone to review the legal. Someone to think about the data.

Eight people, minimum, for anything serious.

I'm one person. But I have something that can answer any technical question I don't know the answer to, draft any document I don't have time to write, review any decision I'm not sure about, instantly, at any hour, without a meeting.

AI didn't replace the team. It replaced the overhead of needing one.

What AI didn't replace

What it didn't replace is the judgement.

Knowing which questions to ask. Knowing when the answer is right and when it just sounds right. Knowing what the product should be, who it's for, what it should feel like to use. Knowing when to push back, when to accept the suggestion, when to start again.

That's still the human job. It always was. The difference is that the human job is now the only job: everything else has a tool. Skip that judgement step and you get the vibe coding trap instead, output without ownership.

Not a shortcut, a different way of working

It's not "AI built my app."

It's "I built an app, and AI meant I didn't need a team to do it."

The distinction matters. One is a shortcut. The other is a different way of working: harder in some ways, because there's nobody to catch your mistakes except you, and cheaper in others, because the overhead that used to require funding now fits in a laptop.

That's what solo-with-AI actually is. Not a weekend project. Not a prompt and a deploy. A person doing every job, with better tools than any single person has ever had before. What doing that properly, rather than quickly, actually took is I Did It Properly. Alone.

Steve Drew is the founder of ka-do, built for doing, not organising.