Fairfield Consulting

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

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Selected work

Engineering & Architecture

Internal Tooling for an AI Restaurant Tech Company

Built internal admin tooling for a Y Combinator-backed AI company automating restaurant ordering. Established React and TypeScript patterns to accelerate onboarding for future engineering hires.

ReactTypeScriptNext.jsInternal Tools
Visit of.one
Admin dashboard interface showing enterprise management
Consulting & Mentorship

Engineering Enablement for a Civic Tech Nonprofit

Partnered with the engineering team at a Michigan-based nonprofit building applications that power community connection. Provided hands-on TypeScript, React, and Next.js mentorship to help accelerate their development practices.

TypeScriptReactNext.jsMentorshipCode 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 andDocusign, working primarily on the frontend.

Fairfield Consulting is my independent consultancy. I work with startups and small businesses who need fast, reliable websites and web apps built right.

What I focus on

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

Get in touch

Have a project in mind? Let's talk.