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What Up Web DevWeb Development Interests of Aaron Hans

California Alpha project Podcast

govfresh podcast image of the state of california outline

Retrospective from the great team Angelica "Angie" Quirarte built here. It was a lot of fun working together to demonstrate new methods and tools while shipping 18 projects in 12 weeks.

Published 7/12/2025

Faster data visualizations

performance planet logo of gears and speed dial I wrote up a case study of a couple different data visualization tools we used for the State of California’s COVID-19 site for the Planet Performance web performance blog.

Published 12/3/2022

Meet the California Design System

design system logo of abstract bear sitting up amid colorful balls

The open source California design system's code is on github. We wrote about the tech choices we made creating it, the process of working in the open and some of our collaborators.

Published 5/31/2022

Going Headless: Use Cases And What It’s Good For

screenshot of part of covid19 site header showing infection stats for the current week

A Smashing magazine article about our publishing architecture. We use both WordPress and static site generation getting the best of both worlds.

Published 3/23/2021

Prioritizing users in a crisis: Building the California COVID-19 response site

covid site header screenshot, early version of site saying stay home, save lives

The CA.gov Alpha team was tasked with developing the California state COVID-19 emergency response website in collaboration with the CHHS Office of Innovation and the California Department of Technology.

Our challenge: Create a scalable, accessible, stable website that is easy to update in a fast changing public health crisis. And do it in four days.

Interview about this work is at the beginning of web.dev LIVE 2020: Day One

Published 4/29/2020

Open Oakland Water Quality Project

Approximately one million California residents currently only have access to drinking water that does not meet state and federal standards. The volunteer Open Oakland Water Quality Project is building tools in collaboration with non profit activists and government to help highlight which communities are in the most need of assistance.

Published 10/15/2019, 5:00:00 PM Read more

Building with Web Components

Shadow free Custom Elements are fun to build with

Published 9/30/2019, 5:00:00 PM Read more

Building with node.js

From server side javascript to serverless, successfully building node.js applications in Express and Architect

Published 7/31/2019, 5:00:00 PM Read more

Web Component Functional Testing

Running tests against your web components in isolation and end to end tests after components are integrated into a larger application

Published 6/30/2019, 5:00:00 PM Read more

CA District 9 Voter data visualizations

Party preference visualizations based on voter registration data map with red and blue bars showing more blue than red in antioch, ca

Published 6/30/2017, 5:00:00 PM Read more

node.js functional testing and deployment with zombie and codeship

An automated deployment system that runs a set of tests reviewing site functionality against a real system before pushing to live environments provides real peace of mind.

Published 9/30/2015, 5:00:00 PM Read more