I've participated in several projects:
Role: PM, core developer
From 5/2013 To 9/2013
Role: Ruby Developer
The delivered solution is a Web site for the Belarusian Ruby User Group. It is a Ruby developers’ community, which was created for sharing ideas and experience.
From 7/2013 To 8/2013
Role: Ruby/AngularJS developer
The delivered solution is a Web site for a pharmaceutical company that offers medications and equipment for doctors.
From 12/2012 To 3/2013
RubyDepartment helper: internal project
Role: Ruby/JS developer
The delivered solution is an internal project for managing the activities of the development department.
From 9/2012 To 12/2012
IAAR (i'm a rubist): internal education project
The delivered solution is designed for Ruby developers. It is a social network that tracks user activity on GitHub. It allows to share experience, participate in various challenges, and receive bonuses for commitments.