- Senior Ruby Developer2011 - 2015Rebased Sp. z o.o.
- Led the transition from a SQL-based search to Elasticsearch for a large eCommerce platform.
- Implemented a transactional mailing system with a Thrift interface for a major classifieds portal.
- Worked closely with the client as the sole developer during a 6-month MVP phase - from the initial Bootstrap prototype through a number of iterations.
- Ruby & iOS Developer2009 - 2011Weblify Sp. z o.o.
- Built a complete Ruby/Rails/MongoDB back-end for a voting & feedback system based on client designs and specs.
- Was part of the core team building a local search-and-discovery application with Ruby and Rails.
- Implemented geolocation and mapping features for an iPhone client connecting to a Rails back-end.
- Full-Stack Developer2008 - 2009Freelance
- Built a complete auction site back-end based on client designs with Ruby on Rails.
- Integrated a PDF form generation into a Rails web app via iText & JRuby.
- Built a back-end for a large client site with BrowserCMS.
- PHP Developer2008 - 2008Edu Labs s.c.
- Codeveloped the in-house CMS using Zend Framework and object-oriented PHP.
- Worked on the front-end and back-end for a few client websites.
- Java/Web Developer2006 - 2007PTK Centertel