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Jeduan Cornejo, Software Developer in Mexico City, Mexico
Jeduan Cornejo

Software Developer in Mexico City, Mexico

Member since November 5, 2015
Jeduan is a software engineer with more than 5 years of experience working in almost every area possible from freelance to a government agency. He has a particular passion for JavaScript. He can create REST and APIs from scratch and has worked with libraries and frameworks like React Native, Angular, React.js, and Backbone. He has worked on wide range of projects that required a breadth of knowledge and excellent communication skills.
Jeduan is now available for hire

Portfolio

Experience

  • JavaScript, 6 years
  • Test-driven Development (TDD), 4 years
  • Node.js, 4 years
  • MongoDB, 3 years
  • React, 1 year
  • React Native, 1 year
Mexico City, Mexico

Availability

Part-time

Preferred Environment

macOS X, Vim, Git

The most amazing...

...feeling I've had is when my 6 year old nephew started getting the hang of the multiplication table because of a game I created.

Employment

  • Full-Stack JavaScript Developer

    2016 - 2017
    Articulate (via Toptal)
    • Created a cross-platform full-featured comment editor based on the one on Facebook.com.
    • Designed a real-time solution with React that scaled to thousands of concurrent users using MobX and Socket.IO.
    • Use Node.js, PostgreSQL, and Ruby on Rails to develop back-end features to support the front-end.
    • Implement fully responsive pixel-perfect cross-platform designs in React and SASS.
    Technologies: Ruby on Rails, React, Docker
  • React Native Engineer

    2016 - 2016
    Veelo (via Toptal)
    • Led the team that engineered and created Veelo's iOS and Android apps using React Native.
    • Developed native extensions for iOS and Android so that Veelo's proprietary file format can be consumed by the apps.
    • Parsed and displayed Veelo's file format on mobile devices.
    Technologies: React Native, Cocoa
  • Senior JavaScript Engineer

    2014 - 2016
    Clevertech
    • Delivered multiple hybrid multi-platform mobile apps as a solo developer that connected to custom made APIs.
    • Built one of the most highly rated Cordova plugins that thousands of people download each month.
    • Rewrote the email-templates module in ES6 that is now downloaded more than 25,000 times a month.
    • Created JavaScript libraries to analyze, process, and display images in a multi-platform environment that took into account differences between the way devices display images.
    • Integrated multiple native libraries with a PhoneGap environment to make the hybrid apps feel native while having a quick development time.
    Technologies: Cordova, Angular, Node.js
  • CTO

    2012 - 2014
    Yogome
    • Created 7 educational mobile games over an 18 month period of which 5 where featured by Apple in the education category and were in the top picks of 2014 in the App Store, along with many other media features.
    • Designed processes, libraries, and frameworks that helped us move quickly and created award-winning games in a very fast, predictable schedule.
    • Led a team of 4 engineers who were doing game development, back-end development, DevOps, and data analysis.
    • Created a back-end dashboard that helped parents understand the kid's progress in the games, with the help of educational experts.
    • Collaborated with game designers, illustrators, education experts, and marketing experts to release thoughtful products.
    Technologies: Lua, Corona SDK, Node.js, MongoDB, AWS, Redis

Experience

Skills

  • Languages

    ECMAScript (ES6), JavaScript, Ruby, Bash
  • Frameworks

    React Native, Redux, Koa, AngularJS, Selenium
  • Libraries/APIs

    Stripe, React, Node.js, Redux-saga
  • Tools

    Git, Sketch, Mocha
  • Other

    ESLint
  • Storage

    Redis, MongoDB
  • Paradigms

    Test-driven Development (TDD), Functional Programming
  • Platforms

    Amazon Web Services (AWS), Android, iOS

Education

  • Bachelor's degree in Computer Systems
    2004 - 2008
    Universidad del Valle de Mexico - Mexico City, Mexico
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