Fairfield Consulting

I build clean, fast websites and web apps for startups and small businesses.

Selected work

Internal Tooling for an AI Restaurant Tech Company

I built internal admin tools for a Y Combinator-backed company that automates restaurant ordering. I also established React and TypeScript patterns to help new engineers get started.

  • React,
  • TypeScript,
  • Next.js,
  • Internal Tools
Visit of.one
Admin dashboard interface showing enterprise management

Engineering Enablement for a Civic Tech Nonprofit

I worked with engineers at a Michigan nonprofit building apps that connect communities. I provided hands-on mentorship in TypeScript, React, and Next.js.

  • TypeScript,
  • React,
  • Next.js,
  • Mentorship,
  • Code Review
Visit reciprocityapps.org
ReciprocityApps logo

About

I'm Macklin Underdown, a Detroit-based software engineer with 12+ years of professional experience. In my day job, I've shipped production software at companies including MLB and Docusign, working primarily on the frontend.

Fairfield Consulting is my independent consultancy. I build fast, reliable websites and web apps for startups and small businesses.

What I focus on

  • React
  • TypeScript
  • SEO
  • Performance
  • Accessibility
  • Responsive Design

Get in touch

Tell me about your project, what you need help with, and any timeline you have in mind.