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John Drefahl

Technology Analyst & Solutions Architect: Full Stack web developer, Android developer, IOT developer, Smart Contract developer, and Blockchain technologist.

Technology Skill Set

  • Blockchain Platforms: R3, HyperLedger, Interledger Protocol, Solidity
  • IOT Platforms: Samsung SmartThings, BLE beacons, Google Home, BLE, Bluetooth.
  • Front End Technologies: HTML5, Javascript, jQuery, CSS3, Bootstrap, Zurb, React, Vue.js
  • Full Stack Technologies: PHP, NodeJS, Python, Android / Java, GIT, Docker.
  • Mobile Stack Technologies: Cordova PhoneGap, Crosswalk ChromeView, Android Studio.
  • Template Frameworks & Build Tools: Handlebars/Mustache, Jade, HAML, SASS, LESS, Grunt, Bower, Yarn, Compass
  • Web Services & APIs: REST, JSON, XML-RPC, SOAP, OAuth 1.0a, and OAuth 2.0.
  • Database Technologies: MySQL, SQLite, MsSQL, Redis, MongoDB, GraphSQL.
  • Content Management Systems: KeystoneJS, Drupal 7, Wordpress 5, Joomla, IBM WebSphere.
  • E-Learning & LMS Systems: Adapt 2.0, Cornerstone, Wageworks, Scorm integration.
  • Cloud Servers Environments: AWS, HP Cloud, Google Cloud, Engineyard, Heroku, Akamai CDN.
  • Accessibility Web Standards: WAI-ARIA & WCAG 2.0.
  • Web Performance, Analytics, & Reporting: Google Analytics, Omniture, WebTrends.
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  • San Francisco, CA
  • Member for 4 years, 10 months
  • 2 profile views
  • Last seen Jun 8 '15 at 21:32

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