I’m a full-stack developer with over 20 years of experience designing and implementing custom web applications, e-commerce platforms, and internal business systems using PHP, MySQL, JavaScript, HTML, and CSS. I’m proficient in system integration, API development, and infrastructure projects, including fiber optic networks and solar power systems. I also work across multiple languages (Spanish, Romanian, and others) and thrive in diverse technical and cultural environments.…

John Mark Mathews

I’m a full-stack developer with over 20 years of experience designing and implementing custom web applications, e-commerce platforms, and internal business systems using PHP, MySQL, JavaScript, HTML, and CSS. I’m proficient in system integration, API development, and infrastructure projects, including fiber optic networks and solar power systems. I also work across multiple languages (Spanish, Romanian, and others) and thrive in diverse technical and cultural environments.…

Available to hire

I’m a full-stack developer with over 20 years of experience designing and implementing custom web applications, e-commerce platforms, and internal business systems using PHP, MySQL, JavaScript, HTML, and CSS.

I’m proficient in system integration, API development, and infrastructure projects, including fiber optic networks and solar power systems. I also work across multiple languages (Spanish, Romanian, and others) and thrive in diverse technical and cultural environments.

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Skills

Experience Level

CodeIgniter
Expert
Laravel
Expert
Instagram API
Expert
HTML5
Expert
PHP
Expert
MySQL
Expert
JavaScript
Expert
CSS
Expert
SQL
Expert
jQuery
Expert
WordPress
Expert
API
Expert
Node.js
Expert
React Native
Expert
Google API
Expert
GitHub CoPilot
Expert
GitHub
Expert
React JS
Expert
Python
Expert
MongoDB
Expert
Vue.js
Intermediate
Shopify
Intermediate
Symfony
Intermediate
TypeScript
Intermediate
XML
Intermediate
PostgreSQL
Intermediate
Magento
Intermediate
AngularJS
Intermediate
GraphQL
Intermediate
Facebook API
Intermediate
Express
Intermediate
Docker
Intermediate
Django
Intermediate
Bootstrap
Intermediate
AWS
Intermediate
YouTube API
Intermediate
Kubernetes
Intermediate
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Language

English
Fluent
Spanish; Castilian
Advanced
Romanian, Moldavian, Moldovan
Advanced
Ukrainian
Intermediate
Bulgarian
Intermediate
Russian
Intermediate
Turkish
Beginner

Work Experience

Freelance Full-Stack Developer at Self-Employed
January 1, 2006 - Present
Built and maintained a range of custom web applications and e-commerce platforms for diverse clients, including internal business systems and multi-API integrations. Led frontend and backend development using PHP, MySQL, JavaScript, HTML, and CSS.
Internal Back Office Software at Level13 Apparel
January 1, 2007 - Present
Developed and maintained a comprehensive customer management system for Level13 Apparel, handling invoicing, expense tracking, financial reporting, and production scheduling.
Pop-up Event Merch Store at Gillett Apparel (Pop-up Merch Store)
January 1, 2007 - Present
Created a custom e-commerce platform, integrating a merchant account API for online credit card processing, with a backend for product management, order tracking, and manual refunds. Eliminated third-party platform fees.
Head Auctions at Head Auctions
January 1, 2006 - Present
Built a website to manage live and online auctions, including a custom script to scrape and import inventory from a third-party platform with no public API. Enabled seamless content management for auction listings.
Vireo Living & AXLE at Vireo Living & AXLE
January 1, 2006 - Present
Developed white-labeled websites using PHP, JavaScript, and AJAX. Implemented a micro CMS with flat-file storage for easy maintenance, integrated Instagram and Google Maps APIs, and supported transactional email functionality.
Great Western Auction at Great Western Auction
January 1, 2006 - Present
Designed and maintained a database-driven website with a content management interface. Provided desktop publishing services (print ads, brochures, flyers).
Volunteer at Miracle Meadows School
December 31, 2010 - October 12, 2025
Installed a campus-wide fiber optic network and digital phone system, reducing telecom lines and enabling high-speed internet and call transfers.

Education

General Equivalency Diploma at Adult Education Center
January 1, 2002 - October 12, 2025

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Professional Services, Education, Retail, Media & Entertainment