Add to series:
 

Tools

Apache
API Design
AWS
Capistrano
Cloud Hosting
Code Climate
CoffeeScript
Continuous Integration
Copilot
CSS
Data Modeling
Git / Github
Github Actions
Greenfield Development
HAML
Honey Badger
HTML 5
HTML/XHTML
JavaScript
Memcache
MySQL
New Relic
Nginx
Object-Oriented Programming
Photoshop
Phusion Passenger
Pivotal Tracker
PostgreSQL
Rails 5
Rails 7
React
Responsive Design
Rspec
Ruby
Ruby on Rails
SASS
Side Project
Sublime Text Editor
Test-Driven Development (TDD)
TypeScript
Ubuntu Linux
Unix/Linux
Visual Studio Code
Zurb Foundation

Titles

Designer
Full-stack Developer
Security
SysAdmin
Web Developer