I've worked for 3 startups so far doing web development. I'm also a Community TA for the Startup Engineering class and for the Machine Learning class at Coursera (Stanford).
Python: Django/Tornado/GAE Framework
node.js: express.js, ejs, Sequelize, Bookshelf
Frontend: jQuery, D3.js, Backbone.js, AngularJS, Bootstrap
IAAS/PASS: Linode, Heroku, Google App Engine, AWS
Databases: Postgresql, MongoDB, Redis, mysql
Tools: vim, git, Chrome Dev tools, virtualenv, foreman, vagrant, screen, emacs, dotfiles
Machine Learning/Data Science: Octave, R, numpy, sci-kit-learn, pandas
Visualization: D3.js, matplotlib
Github: https://github.com/ccarpenterg
Drop me a line: ccarpenterg@gmail.com