Some things I am: -Life-long hacker obsessed with learning new things. (Currently: C, iOS programming, Erlang, Squash). -Devotee of compassionate design. -Efficiency nerd committed to showing the world how to do things more easily and to empowering people through technology. -Learner, Input, Adaptability, Communication, Includer.

Engineering Manager @ From March 2015 to Present (10 months) Software Engineer @ From April 2013 to March 2015 (2 years) Co-Founder & CTO @ Early on, designed, built, and maintained our daily-deal website and marketing analytics platform, growing to over 100k subscribers and ~1 million in annual revenue. Post-pivot, built out a team of developers and launched Pinchit's new city discovery platform. Worked closely on product design and feature iteration with my co-founder. Built a development culture committed to test driven development and writing maintainable, loosely-coupled code. Developed a high-volume web scraper to populate our places database, and implemented a Mechanical Turk-based system to automatically identify event and location data across all external pages shared on our platform. From October 2010 to October 2012 (2 years 1 month) San Francisco Bay AreaSenior Developer @ Launched an online classroom platform for individual investors - the first of its kind as it employed social learning tools and an adaptive learning interface that has helped tens of thousands investors manage their own money. Integrated a PHP frontend with a Rails backend over REST and built a rich set of tools for launching new education products onto the platform. From November 2009 to September 2010 (11 months) Yoga Instructor @ Taught 60-minute vinyasa and hot vinyasa classes to classes of over 80 students. From May 2009 to June 2010 (1 year 2 months) CTO @ Responsible for completely re-architecting the site's backend to handle a white label partnership with NASDAQ.com, a site that receives more than 2 million monthly unique visitors. Implemented an auto-scaling server cluster on Amazon EC2. From September 2008 to November 2009 (1 year 3 months) Web Developer / Linux System Administrator @ Continued work on the eCamp family of products, including 24-hour on call emergency sysadmin work during periods of peak usage and ongoing feature development. From March 2007 to August 2007 (6 months) Web Developer / Linux SysAdmin @ Working alone, rebuilt eCamp's backend from scratch in six months, allowing it to scale from ~1,000 concurrent users to tens of thousands and from less than 100 gigabytes of photo uploads per month to well over a terabyte. Increased uptime of this legacy system from < 90% to 99.9%. Responsible for the entire IT infrastructure necessary to run this application (including Linux systems administration, networking, database administration, and physical server infrastructure). From May 2006 to March 2007 (11 months)

Bachelor's degree, International Development Studies @ McGill University From 2003 to 2008 Louis Kosak is skilled in: Scalability, Web Applications, Architecture, System Administration, Cloud Computing, Ruby, Ruby on Rails, PostgreSQL, Ubuntu, Linux, Backbone.js, RSpec, Test Driven Development, XMPP, Vim