Irving Barajas
Product EngineeringEmployer

CourseKey

Full-stack engineering for education tech—React, Redux, Node.js LMS features, Socket.io realtime, and an Electron desktop widget.

Technology

  • React
  • Redux
  • Node.js
  • Socket.io
  • Electron
  • JavaScript

Services

  • Full-stack engineering
  • Realtime systems
  • Desktop client development

Introduction

At CourseKey, I contributed across two engineering chapters: Software Engineer (2016) launching the web app, and Full-Stack Engineer (2017–2018) on LMS and engagement systems.

Scope note

No student/school data, institutional deployments, or private product metrics.

Technology

Core technologies from these roles:

  • React, Redux, and Node.js for LMS product features
  • Socket.io for real-time communication across web and mobile clients
  • Electron desktop widget for student engagement surfaces
  • Early web application built primarily with React

Focus

  • Engineering core LMS functionality
  • Realtime reliability across clients
  • Desktop widget work that extended the product beyond the browser
  • Fast iteration in an education startup environment

Outcome

Full-stack education tech experience spanning web, realtime, and desktop—strong foundation for later product and founder roles.

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