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Jay Johnston, PCI Compliance Developer in Nashville, TN, United States
Jay Johnston

PCI Compliance Developer in Nashville, TN, United States

Member since November 6, 2013
Coding HTML, CSS, and JS since his armed forces days in 1997, Jay's experience in adapting web technology to meet customer needs is extensive. He enjoys bringing value to clients via eCommerce solutions, legacy integrations, and optimized PHP and JavaScript-driven applications.
Jay is now available for hire



  • LAMP, 14 years
  • PHP, 13 years
  • jQuery, 9 years
  • WordPress, 7 years
  • PCI Compliance, 5 years
  • AWS EC2, 5 years
  • NEMSIS XML, 3 years
Nashville, TN, United States



Preferred Environment

Linux, Apache, MySQL/Memcached, VIM, Git

The most amazing...

...success I've enjoyed is reducing server errors while serving on the Architecture and Compliance board with NASA at Marshall Space Flight Center.


  • Web Developer

    2015 - PRESENT
    A/R Concepts
    • Stabilized legacy software.
    Technologies: Windows, Apache, MySQL, PHP, jQuery
  • Web Developer

    2015 - PRESENT
    • Took legacy code and brought it into an MVC pattern proprietary framework by encapsulating existing code structures.
    Technologies: Linux, Apache, MySQL, MariaDB, PHP, jQuery, WordPress
  • Contract Web Developer

    2009 - 2016
    Mlily USA
    • Implemented a highly customized order management system.
    • Provided consulting to stakeholders marketing and web marketing strategies.
    • Photoshopped marketing photos to prepare them for print and web.
    • Created a style order management system using Twitter Bootstrap and custom CSS.
    • Developed a ledgering system for tracking customer payment accounts.
    • Synchronized two PHP/Smarty/jQuery model-view-controller (MVC) systems such that they swap out modules.
    Technologies: PHP, MySQL, JavaScript
  • Contract Web Developer

    2008 - 2016
    The Bed Boss
    • Created an eCommerce site with product management capability.
    • Implemented an order management system.
    • Devised a method to display dynamic products in a client side widget that is distributable.
    • Maintained PCI compliance.
    • Styled a site's HTML/CSS from designer brand guidelines and imagery.
    • Maintained responsive design elements to fit a prescribed list of devices from 320px to 1900px+ and responded within 2 hours to all comments and feedback from UX testing.
    Technologies: PHP, MySQL, JavaScript
  • Contract Web Developer

    2004 - 2016
    Redstone Chiropractic
    • Maintained site hosting and responded to minor, ongoing client needs.
    • Created an information portal for back pain support.
    • Implemented a content management administrative area for portal management.
    • Trained a small business owner in portal information updating methodology.
    • Created icons, themes, and the style of the site.
    • Stood by for critical issues and consulting calls between 9am and 9pm CST.
    Technologies: Linux Bash, PHP, MySQL, JavaScript
  • Web Developer, Server Consultant

    2014 - 2015
    Music Professor
    • Remained available for super quick fixes.
    • Updated small, visually concerning and/or just plain wrong elements.
    • Conducted server maintenance, including log research and minor forensics after outages and reported to client.
    • Suggested monitoring and hosting options/services.
    • Provided the best service as quickly as possible while maintaining a professional foot forward to the public at all costs.
    Technologies: Linux, Apache, MySQL, PHP, CodeIgniter, jQuery, Jasny Bootstrap, Less, Compass, Grunt, Modernizer
  • Web Developer, Server Consultant

    2014 - 2015
    • Maintained a smoothly running site and prevented site overload issues at all costs.
    • Developed/consulted on Google API for SMTP authentication and PHP mail delivery via that API.
    • Upgraded/consulted the Linux/Apache Webserver (1) and second Linux server (2) for the MariaDB.
    • Placed a maintenance message on the login screen reminding users starting at least 48 hours in advance of any scheduled maintenance and performed that maintenance after 12:30 am CST with a roll-back time of 3:00 am CST.
    • Maintained a Git source repository along with a staging site that is hosted on identical hardware and can be used as a remote from master running in production to accomplish simple merging for source upgrades and patches.
    Technologies: Linux, Apache, MySQL, MariaDB, PHP5, JavaScript, jQuery, SMTP via PHP, cUrl, Cron jobs in PHP
  • Contract Web Developer

    2013 - 2014
    Modern Essentials
    • Implemented a presentation layer (graphics, HTML5/CSS3/JavaScript).
    • Finalized responsive design while solving specific customer needs regarding display elements.
    • Set up Linux server, Apache virtual host configurations, and DNS records.
    • Created a highly customized content management framework in PHP5.
    • Coded on a highly customized order management system using PHP5.
    Technologies: Linux Bash, PHP, MySQL, JavaScript
  • Senior PHP Developer

    2008 - 2014
    ICGLink (Internet Consulting Group), Inc
    • Quoted modules and applications for clients.
    • Guided clients to solutions for business challenges.
    • Teamed with creative elements of the company to produce dynamic, template driven sites.
    • Developed web applications in PHP and ColdFusion.
    • Provided group PHP5 skill development sessions to company developers.
    Technologies: Linux Bash, PHP, ColdFusion, MySQL, JavaScript
  • Development Manager

    2013 - 2013
    Iostudio, LLC
    • Managed 8 reports: 7 in house, 3 senior roles, 1 local contractor.
    • Assisted the development director with Agile implementation.
    • Disseminated creative direction to developers.
    • Supported self-managing scrum teams.
    • Championed Dale Carnegie leadership training to aid with assertive communications in the workplace.
    • Edited PHP and JavaScript code.
    • Bought donuts.
    Technologies: PHP, MySQL, JavaScript
  • Director of Engineering

    2012 - 2013
    Moontoast, LLC
    • Managed 15 reports: 5 in house, senior roles, 10 outsourced roles in India, Phillipines, and Mexico.
    • Oversaw and facilitated continued PCI DSS Compliance (Level 1).
    • Raised team and company morale through servant leadership and camaraderie.
    • Worked with the CTO and VP of Engineering to manage company spend for human and infrastructure resources.
    • Monitored Amazon Web Services (AWS), Elastic Computing Cloud (EC2) auto-scaling web server.
    • Assigned technical leads to forward looking workstreams.
    • Developed Magento integration for delivery of Facebook posted eCommerce orders running within clients of the Moontoast CMS.
    Technologies: Linux Bash, PHP, MySQL, Javascript
  • WordPress Developer

    2012 - 2012
    Charity Dreams
    • Created a full checkout mechanism using Stripe.
    • Included custom templates for every type of post and custom-post-type.
    • Used Advanced Custom Fields plugin to store custom data entry fields on a per custom-post and regular post type basis.
    • Used basic web methodologies like HTML, CSS, JavaScript.
    • Coded some jQuery sliders driven from custom post, postmeta data.
    • Helped implement a framed up site from an Italian startup and assisted as a monitor for various performances indicators and reported these to the client.
    Technologies: WordPress, Advanced Custom Fields
  • NASA Contractor, Marshall Space Flight Center

    2006 - 2008
    BG Smith
    • Served as a member of the Architecture and Compliance board.
    • Designed, developed, implemented, and maintained numerous internal and external NASA and MSFC web sites in PHP and ColdFusion.
    • Integrated NASA Agency level authentication via Lightweight Active Directory Protocol (LDAP) and "eAuthentication" methods.
    • Configured Apache on MSFC development, staging, and production web servers.
    • Automated and maintained MSFC self-signed and Entrust-signed SSL certificate creation and installation process.
    Technologies: Linux Bash, PHP, ColdFusion, MySQL, JavaScript
  • Data Coordinator, Linux Admin, and PHP Developer

    2003 - 2006
    • Supported the missions of facilitating workers' compensation claims' data transfers.
    • Maintained ClaimPort, the main data transfer network by administering RedHat, Apache, Informix SQL, and Perl/JavaScript codebase.
    • Automated business needs using shell scripts, batch files, and PHP scripts.
    • Provided web site outage response (on call around the clock, 365 days per year).
    • Received promotion from technical support (Data Coordinator) to admin and developer positions.
    Technologies: Linux Bash, Perl, PHP, MySQL, JavaScript


  • Languages

    SQL, JavaScript, PHP, ColdFusion, Bash Script
  • Libraries/APIs

    jQuery, Authorize.Net, YouTube API, FedEx API, Stripe, Amazon API, Google API, Google Maps, Backbone.js, Facebook API, Facebook Open Graph API, Facebook Ads API, Doctrine, DHL API, FusionCharts
  • Platforms

    LAMP, MacOS, AWS EC2, XAMPP, Windows, Rackspace, MS-DOS, Linux, Amazon Web Services (AWS), Windows Server, WordPress, Oracle, OpenCart, Unix
  • Other

    NEMSIS XML, Facebook Ads, Ajax, PCI Compliance, BIND9, ANSI X.12
  • Tools

    Apache, Git, GitHub, Adobe Photoshop, Basecamp, Redmine, Vim Text Editor, cURL Command Line Tool, OmniGraffle, Gimp, Charles, Flash, GitLab, Git Flow
  • Paradigms

    Responsive Web Design (RWD), Object-oriented Programming (OOP), Agile Software Development, Scrum, Service-oriented Architecture (SOA)
  • Storage

    AWS RDS, Microsoft SQL Server, AWS S3, SQLite, Memcached, IBM Informix
  • Frameworks

    Bootstrap, Laravel, CodeIgniter, Symfony


  • Masters of Science degree in Management of Information Systems
    2001 - 2004
    University of Alabama in Huntsville - Huntsville, AL, USA
  • Bachelor of Science degree in Organizational Management
    1999 - 2001
    Oakwood College - Huntsville, AL, USA
  • Associates of Arts degree in General Curriculum
    1995 - 1997
    University of Maryland, Asian Pacific Division - South Korean
  • MySQL Developer
  • Zend Certified Engineer
  • LPIC-1
    JANUARY 2006 - JANUARY 2011
    Linux Professional Institute
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