I am a full stack Ruby on Rails / open source developer .
I have recently worked on www.grabsell.com and launched my own online QR tracking application @ www.tracerr.com
My development stack is ubuntu with phusion passenger/nginx as server and thus keeps me hooked on with completed ruby stack.
I can be your one man solution for all technical queries and open source solutions available . I keep myself updated with current trends in open source arena.
Following are key technical skill areas I have expertise in, apart from RoR stack.
OS: Linux ( Ubuntu/ Debian/ Rhel/ Centos/ Solaris ), Windows 2000,Windows 2003, Windows 2008
Databases: Mysql, Postgresql, Mongodb, Nosql(Hadoop, couchdb), sqlite, Microsoft Sql Server 2000/2003/2008/2008 R2
Servers/ Daemons : Apache/LDAP/LDAP/AD/Ngnix/ Haproxy, Sendmail, SMTP/POP/IMAP, cron, FTP, sshd, sftp,scp
Languages : RoR(Rails 2, 3,x, 4,x ) / PHP/ Perl/ Python scripts
Deployment Architecture : Heroku/ Engineyard/ AWS
Ruby gems : Activeadmin, hobo, formtastic, devise, omniauth(for social media), resque, foreman, delayed_job, twitter_bootstrap, breakman, cucumber, rspec, factory_girl,capistrano, dalli, paperclip,prawn, haml, carrierwave, nokogiri, redis, rmagick, sass, jammit, capybara, activemerchant,evenmachine, thinking_sphinx,solr(jsonapi)
Api build : Grape, RABL
CMS/ packages : SPREE for ecommerce, refinerycms for cms.
I primarily started with php(2004), moved to coldfusion(2005) and then moved to open source technologies with ror(2007). I emphasize more on back-end design rather than front-end design.
I recently completed following projects
www.melodyfusion.com : online social interaction place for music artists
www.votopia.com: A voting based analytics engine
www.seekmycourse.com : An online course sharing marketplace
www.myweightworld.com : A health centric website
www.studyboost.com : A group study solution with autobots feature for tests.
www.playpen.com : An adult website.
www.tracerr.com : A QR code solution launched by me
www.Grabsell.com : A B2C ecommerce website
You can contact me through phone/skype/yahoo for easy and quick communication.