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Website development, led by a senior architect

Cogn8 Systems designs and builds websites and web apps that have to work: marketing sites, online stores, client portals, and installable web apps. Julie McFadden, who has spent thirty years building the web, leads every project herself.

Book a free 30-minute call

What we build

Marketing and brand websites that load fast and are easy for search engines and AI assistants to read.
Online stores with inventory and order management, like the native plant shop and admin panel we built for FL Butterflies.
Two-sided marketplaces and booking or commission workflows, like Otterkin.
Client portals and admin panels, so your team can run the business without developer help.
Installable web apps that work well on phones.

How a project runs

A free 30-minute intro call to understand the goal.
A written scope with a fixed delivery date, quoted before any work starts.
Design and build with a senior team, with working versions you can review along the way.
Launch on Azure, AWS or Google Cloud, with documentation and a clean hand-off to your team.

Built with

Mostly React, Node, Python and React Native. We choose the stack with the team that will own the site after we hand it off, so you are never locked into us.

Live work

FL ButterfliesA field guide to Florida’s native butterflies with a ZIP-code finder, a native plant shop, and an admin panel that runs orders and nursery inventory.OtterkinA fine-art commissioning marketplace where collectors commission work directly from living artists (Julie is its CTO).

Questions

How much does it cost?

It depends on scope, so we quote after a free intro call, in writing, before any work starts. We charge fair market rates for senior work, without agency markup.

Can you build an online store?

Yes. FL Butterflies has a native plant shop with an admin panel that runs orders and nursery inventory, and we built all of it.

Who will I actually work with?

Julie McFadden, our founder and platform architect, leads every engagement herself, alongside senior engineers. There is no hand-off to a junior team.

Next step

Tell us what you need on a free 30-minute call. If we are the right fit, you get a written scope and a delivery date before any work starts.