Pete Keen

Software Developer, 2014 - Current, fully remote

  • Lead a small team of junior developers on building and maintaining the core Ruby on Rails backend application
  • Built and maintain the Stripe payments integration that processes millions of dollars a year for egghead
  • Built a revenue sharing system that has paid out millions of dollars to open source developers
  • Integrated SAML for our enterprise customers

Software Consultant, 2014 - Current

Okapi, fully remote

  • Part-time CTO for a small software development shop specializing in government training software
  • Consulted on a Docker deployment project
  • Assisted getting a PHP application up and running on three different PaaS hosts

Software Developer, 2012 - 2015

Kongregate, Portland OR

  • Maintained one of the largest and oldest Ruby on Rails applications in existence.
  • Worked across the entire stack, from MySQL query optimization to Ruby and Node.js background jobs to front-end HTML, Javascript and CSS.
  • Implemented a lapsed-gamer mailer with customized messages for every user which increased retention by ~5%.
  • Debugged and fixed some thorny EC2 / SSH bugs
  • Daily worked on tasks using Pivotal Tracker, GitHub, and Jenkins.

Platform Developer, 2011 - 2012

Emma, Portland OR

  • Ported the audience management system of Emma, including mailing list management, audience searches, administration, and sending mail into a REST service in Python, PostgreSQL and Redis.
  • Built a search engine that consumes a JSON search description, builds an equivalent SQL query, and executes the query on a sharded PostgreSQL database system. This is used for filtering all requests that come into the audience REST service.
  • Worked with and extended a large Django application that forms the front-end of Emma's email marketing service.

Software Developer, 2007 - 2011

Rentrak, Portland OR

  • Designed, developed, and deployed two different demographics systems for linear television that set the direction of all future demographics systems at Rentrak. These systems overlay postal- and household-level segmentation on top of hundreds of billions of television view transactions.
  • Developed a SQL-like language that compiles to C++ using Perl and Parse::RecDescent to enable internal users to query the view repository.
  • Designed a new product from scratch with another developer focusing on the backend data processing. Built a DSL-like system within Perl for succinct summary table definition which allows developers to create new summary tables quickly and with very low maintenance overhead.
  • Wrote one-time and repeatable data extraction and analysis programs for the CIO and the research department to better understand hundreds of billions of television view transactions.

Side Projects

  • Mastering Modern Payments, the first book about integrating Stripe payments with Rails.
  • Handle Your Business, a book about what the nuts and bolts backend of a single person consultancy can look like.
  • Docverter, an open source document conversion web service.
  •, my personal programming and tech related blog.
  • VMSave, a small Rails app for saving voicemail greetings as MP3s. Uses Twilio for telephony services.
  • Payola, a Rails engine for Stripe. Retired.
  • Twitter Fiction Reader, a curated archive of fictional twitter accounts.


Bachelor of Science in Management Computer Systems

Computer Science Minor
University of Wisconsin - Whitewater
Graduated December 2006


  • Ruby, Rails, Python, HTML/CSS, Javascript, Perl, Java, Shell scripting
  • Agile / Test-driven Development, Pair Programming, RSpec
  • Git, SVN
  • Linux, Mac OS X
  • PostgreSQL, MySQL, Redis