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I'm Dan Mathisen, a full-stack web application developer.

Check out my portfolio at

Find me:

I enjoy:

  • Designing and building websites and applications
  • Working with the latest technologies (React is my most recent favorite)
  • Focusing on UI and UX
  • Family & friends

Tech stack:

  • Languages: HTML, CSS, Javascript/Typescript, PHP, C# .NET, SQL, MongoDB, GraphQL
  • Libraries, etc: Node, React, Redux, Webpack, Sass/Less, Wordpress
  • Design: UI/UX, Responsive design, Photoshop/Illustrator


  • My portfolio
  • Pintmeisters
    • Co-founder of organization that hosted social events, all proceeds of which were donated to local charities
    • PHP, SQL, Design (created logo, business cards, marketing materials), Admin backend
    • Website:
  • Hoboken Brewing
    • Wordpress website site for a local brewery
    • Wordpress, WooCommerce store, Location finder
    • Website:
  • Alex Eating Pancakes
    • Silly website I built to help facilitate a pancake eating contest
    • Website included live-streamed event and real-time progress tracking (updated via admin screen)
    • HTML, PHP, SQL, Admin backend
    • Website:
  • Unsheltered Voice
    • Wordpress website site for a non-profit
    • Wordpress, Custom PHP, Custom user profiles, Donation capability
    • Website:
  • Activity Finder
  • Speffer
  • WhoWeUse
    • A startup I've helped build out that connects people to local businesses
    • Node, Javascript, PHP, MongoDB
  • HitArea.js
  • Lightbase CSS

Misc websites I've worked on:


  1. Portfolio Public

    My portfolio website (


  2. Speffer Public

    Search Engine Customization


  3. TODOTabs Public

    Create TODO lists as a set of Chrome tabs (Chrome extension)


  4. Forked from zenorocha/browser-diet

    The definitive front-end performance guide


46 contributions in the last year

Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep Mon Wed Fri

Contribution activity

September 2022

dmathisen has no activity yet for this period.

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