St. Louis, MO
Dan
Holloran
Senior Full Stack Developer with 14+ years building performant, scalable web applications. Passionate about architecture, mentorship, and finding the right tool for the job.
"No person has the power to have everything they want, but it is in their power not to want what they don't have, and to cheerfully put to good use what they do have."— Seneca
Featured Skills
ArchitectureLaravelLeadershipMentorshipMySQLNext.jsNode.jsPhotographyPostgreSQLReact.jsTailwind.cssTypeScriptVue.jsWordPress
Professional
History
view full resume Senior Fullstack Developer current
@Ample · Cincinnati, OH
ArchitectureGatsbyGraphQLJamstackMentorshipNext.jsNode.jsReact.jsRuby
Sep 2025 – Present
Career Sabbatical
@Life · United States
Photography
Mar 2025 – Sep 2025
Senior Frontend Developer
@Tradier · Charlotte, NC
ArchitectureCypressJamstackLeadershipMentorshipNode.jsNuxtRubyTailwind.cssVue.js
Mar 2021 – Mar 2025
Senior Fullstack Developer / Lead Developer
@Ample · Cincinnati, OH
ArchitectureGatsbyGraphQLJamstackLeadershipMentorshipNext.jsNode.jsReact.jsREST APIsRuby
Oct 2019 – Mar 2021
Full Stack Developer / Lead Developer
@Matchbox Design Group · St. Louis, MO
ArchitectureLaravelLeadershipMentorshipMySQLNode.jsPostgreSQLSassTailwind.cssVue.jsWordPress
Nov 2012 – Oct 2019
Web Developer
@Freeman Marketing · St. Louis, MO
MentorshipSassWordPress
May 2012 – Oct 2012
Bachelor of Science in Web Design and Development
@Full Sail University · Winter Park, FL
JavascriptPHPHTMLCSSActionScript 3
Nov 2009 – Mar 2012
say hello
Get in
Touch
Have a project, a question, or just want to swap notes on Vue, photography, or travel? Drop a message — I read everything.
↳ avg. response · 24–48h
↳ currently in · St. Louis, MO
↳ open to · full-time, contract
on the road
Where I've Been
Every pin marks somewhere I've stopped along the way — 47 states and counting, mapped automatically as I go.
visited 47/50
states visited
60k+
miles driven
26+
national parks
3×
coast to coast
1.5+
years on the road
// still to come — Louisiana, Alaska, & Hawaiiupdated automatically
Latest Posts
all posts →
financeJun 17, 2026 · 5 min
How ETFs Work: The Mechanics Behind the Market's Favorite Fund
read more →obsidianJun 16, 2026
Daily Notes in Obsidian: Build a Workflow That Actually Sticks
4 min read
developmentJun 15, 2026
CSS @starting-style: Animate Elements as They Enter the DOM
4 min read
developmentJun 14, 2026
CSS User Preference Media Queries: Build Accessible Experiences Without JavaScript
4 min read
financeJun 13, 2026
FedNow and Real-Time Payments: How Instant Settlement Actually Works
5 min read
obsidianJun 12, 2026
Making Obsidian's Graph View Actually Useful
4 min read
obsidianJun 11, 2026
Templater for Obsidian: Stop Writing the Same Thing Twice
4 min read
developmentJun 10, 2026
Vue 3.6 Vapor Mode: Opt Out of the Virtual DOM
4 min read
obsidianJun 9, 2026
The PARA Method in Obsidian: A Practical Guide to Organizing Your Vault
5 min read
off-screen
From the Feed
A visual sketchbook — photography, travel, and the occasional sparkle. Updated whenever the light is right.
// 🦄 snapshots between commits Updated Apr 25, 2026