Heinrich Lee Yu, Software Developer in Mandaue City, Central Visayas, Philippines
Heinrich Lee Yu

Software Developer in Mandaue City, Central Visayas, Philippines

Member since September 26, 2018
Since 2009, Heinrich has been making a living as a software developer building products using a wide range of technologies for the web, mobile, and embedded systems. In addition to his excellent technical skills, his extensive experience in product management allows him to easily translate business requirements into working features and systems. He communicates well and can work with teams of all sizes.
Heinrich is now available for hire

Portfolio

Experience

Location

Mandaue City, Central Visayas, Philippines

Availability

Part-time

Preferred Environment

Linux, Vim, Git

The most amazing...

...project I've developed was a home automation system that controlled the lights and locks in a home remotely.

Employment

  • CTO

    2015 - 2018
    GetMore PH Inc.
    • Led the product vision and implementation of a software solution for real estate sales teams.
    • Conducted research and analyzed clients' business requirements to guide the development of the product.
    • Led the team's transition from a legacy PHP application to a Ruby JSON API and JavaScript application.
    • Implemented development best practices such as testing and automated builds.
    Technologies: Ruby on Rails, Ember.js, PHP, PostgreSQL
  • Lead Developer

    2011 - 2015
    Southbiz Ventures
    • Developed a system that allows small business owners to offer mobile credits reloading and money remittance.
    • Built a fleet management solution to track company vehicle locations and maintenance.
    • Constructed an SMS gateway integration to handle customer orders.
    • Developed a PhantomJS script to automate the processing of payments to third-party websites.
    • Handled systems administration duties for the company's servers running multiple VMs and OpenVZ containers.
    Technologies: Ruby on Rails, PostgreSQL, Redis
  • Software Developer

    2010 - 2011
    Caresharing, Inc.
    • Developed and maintained command line tools for developers to set up their development environment.
    • Built a health-record-management module for patients.
    • Maintained internal Ruby gems for logging, distributed storage, and so on.
    • Upgraded multiple production applications from Rails 2 to 3.
    • Contributed to the refactoring efforts of the code base.
    Technologies: Ruby on Rails, MySQL, MogileFS
  • Software Developer

    2009 - 2010
    Geckotech, Inc.
    • Built a student enrollment and accounting system for multiple schools.
    • Developed a custom payroll system for a staffing agency.
    • Constructed a real-time chat tool (Erlang) that allows users to chat within the web application.
    • Managed a project with a team of five developers.
    • Communicated with clients regarding business requirements.
    Technologies: Erlang, MySQL

Experience

  • Xyntax Home Automation (Development)

    A home automation solution for rental properties utilizing RFID cards for access control.

  • Humblebola Stats (Development)

    I built a website for advanced basketball statistics and shot charts for local leagues in the Philippines.

Skills

  • Languages

    JavaScript, Ruby, Elixir, PHP
  • Frameworks

    Ember.js, Ruby on Rails (RoR), Phoenix
  • Tools

    Vim Text Editor
  • Paradigms

    Object-oriented Programming (OOP), Functional Programming
  • Platforms

    Web, Linux, iOS, Android
  • Libraries/APIs

    PhantomJS, LeafletJS
  • Storage

    Redis, MySQL, PostgreSQL

Education

  • Bachelor of Science degree in Computer Science
    2005 - 2009
    University of the Philippines Cebu - Cebu, Philippines

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