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I build the software, and I stay on it.

Hamsti Co builds custom software and practical AI for education teams and growing companies.

John Cummings, founder of Hamsti Co

Meet the founder

Hi, I'm John.

I'm a Director of Engineering who still ships hands-on, with deep roots in edtech and B2B SaaS and 10+ years of building software.

At K16 Solutions I build AI-powered applications from the ground up, ship custom integrations that connect complex systems, and own cloud infrastructure end to end.

I like work that spans product and engineering: get clarity fast, ship a working build, then iterate weekly until it is genuinely useful.

When I'm not building software, I'm in the Colorado mountains — climbing, skydiving, or working toward a pilot's license.

Why Hamsti Co exists

I stay accountable for the work.

After 10+ years building software inside companies — shipping products, leading teams, and sitting in the gap between the business goal and the technical constraint — a pattern held. The best projects had one person who could answer for both.

Agencies often rotate people through the work. Freelancers often leave when the problem gets hard. The project drifts, and the codebase becomes a liability.

I started Hamsti Co to offer a different model. I stay with your project from discovery to delivery.

When you work with me, you get a partner.

How I work

One owner, start to finish.

I stay on the work. The context does not get handed off.

One owner

I stay accountable from discovery through delivery. You have a direct line to me.

No junior relay

I don't pass the work to a rotating cast. I scope it, and I stay close to the build.

Decisions in writing

I send plain-English updates, document the decisions, and write status your stakeholders can read.

What you can expect

A rhythm you can plan around.

A reply

I reply to new inquiries, and I keep existing clients posted on the work in progress.

A proposal

I send a proposal with scope and price in writing.

A first build

Weekly builds you can click, with the decisions written down.

Your infrastructure

The code runs on your accounts. I name risks early, with options, and handoff is part of the work.

Ready to talk through the work?

Thirty minutes on the problem, the constraint, and whether I'm the right fit. A service business that only needs a site can start with the subscription.

  • Weekly builds you can click
  • Code on your accounts
  • Weekly demos + documented decisions