Donald Piret

Donald Piret

Senior Software Engineer/CTO


  • Over 10 years of experience developing web apps with various technologies (Ruby on Rails, PHP).
  • Strong analytical skills translating business requirements into usable tools and processes.
  • Worked with a large number of clients in a variety of industries (pharmaceutial, education, services, consulting).
  • Good inter-personal, communication and written skills, and the ability to perform under short dead- lines.
  • A passion for efficient workflows and clean code.

Work Experience

May 2010 - Present

Chief Technology Officer

Roomorama, Inc.

  • Designed and rebuilt the architecture for the original Roomorama application platform using modern programming methodologies and best-practices.
  • Hired, trained and managed a team of rails developers to work on application development.
  • Oversaw the successful completion of many internal projects including: integration with third-party services, API design and implementation, testing suite implementation.

Apr 2007 - Apr 2010

Director/Project Manager


  • Created and maintained an e-commerce platform from the ground up in Ruby on Rails (http://www., including creating an ActiveMerchant gateway for Paybox ( and full Cucumber test suite.
  • Taught two team members Ruby on Rails from the ground up.
  • Managed a few solo projects including an international printing company’s job management applica- tion (, password protected).
  • Worked on an iPhone application for monitoring Axis security camera’s (, in progress).
  • Successfully launched several high traffic websites:,,

Jan 2007 - Apr 2007

Head Expert ICTO

Erasmushogeschool Brussel

  • Coordinated development and maintenance of the educational IT system.
  • Maintenance and development on the Dokeos PHP e-learning suite used for the school.
  • Responsible for setting up information and educational days for IT in Education.

Oct 2001 - Jan 2005

I.T. Support and Developer


  • Worked in a team of 4 providing support for a computer park of 120 PC’s and 5 servers.
  • Web development and PHP application development.
  • Java programming/reverse-engineering for a printing accounting program.

Technical Skills

  • Operating Systems: Windows, Mac OSX, Linux(RedHat, Ubuntu, Debian)
  • Languages: Ruby, Javascript, PHP, Java, HTML, CSS
  • Frameworks: Ruby on Rails, NodeJS, jQuery
  • Technologies: Amazon Web Services (EC2, RDS, S3, CloudFront, EBS, ELB, Opsworks...), Git
  • Databases: MySQL, PostgreSQL, SQLite
  • Testing: RSpec, Capybara, Cucumber

Public Speaking

Beijing - 28 Nov 2013

Big Data & Analytics Innovation Summit

Streamlining Your Online Purchasing Process with Data Analytics (revamped)

Singapore - 11 Sep 2013

Big Data World Asia 2013

Streamlining your online purchasing process with data analytics

Singapore 18 July 2013

AWS Summit

Fireside Chat with Dr. Werner Vogels

Singapore - 5 Mar 2013

The Internet & Mobile Show Asia 2013

Making room for the right eCommerce strategies


Jan 2002 - Dec 2006

Vesalius College, Brussels

Bachelor of Science in Computer Science

Graduated with Magna Cum Laude and Honors Thesis entitled ‹Developing a Residential Service Platform us- ing OSGi.»

Aug 2005 - Dec 2005

Kansai Gaikokugo Daigaku, Osaka

Japanese Cultural Studies

Sep 1998 - Jun 2001

European School Ixelles

European Baccalaureate

Options: Maths, Chemistry, Physics, Computer Science.

Personal Info

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