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A small studio with a lot of leverage.

Pure Func is deliberately small. AI agents do much of the typing; a senior engineer and designer makes every decision that matters.

Eric Sartorius

Fewer people, better decisions.

A few years ago, a product this size needed a team. Today the slow parts of software (boilerplate, first drafts, test scaffolding) can be done by agents in minutes. What can't be automated is judgment: what to build, what to cut, and when something looks generic.

That judgment is the job. Pure Func is set up so all of it comes from the same person who answers your message.

The name and the logo have a story, and so does the way this site was made. Both are on How we think.

Hi, I'm Eric.

I'm a frontend engineer and designer. Over the years I've designed and built for startups, agencies and well-known brands.

Now I pair that experience with AI agents to ship faster than a traditional agency, and I spend the time saved on the part AI is worst at: taste. This site is the proof.

How we work.

purePredictableWritten plans, predictable delivery, and code your first hire can read.
pureYours from day oneYou own the repo from day one. No lock-in, no proprietary framework.
funcFast where it mattersAI handles the typing, so demos land weekly instead of quarterly.
funcTaste is the filterWe design against the defaults AI produces, so the result looks like you, not like everyone.

What are you
building?

Tell us in your own words. A real person reads it and gets back to you about a call.

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