Languages: Python, PHP, Java

Methodologies: OOP, design patterns, extreme programming, agile

Frameworks: Django (Python), Zend (PHP), Express (Node)

Databases: MySQL, Oracle, PostgresSQL, MongoDB

ORM: Django ORM, SQLAlchemy, Doctrine

JavaScript: JQuery, Underscorejs, Requirejs, Socket.io, Angularjs

Unit testing: Python unittest, Django-nose, PHPUnit, SimpleTest, 

Caching: Memcache, Redis, Varnish

Messaging Queue: RabbitMQ

Worker: Celery

Operating systems: Mac OS, Ubuntu, Red Hat Linux, Windows

Version control: Git, SVN

Issue tracker tool: Jira, Mantis

Cloud computing: AWS

API development: Django Rest Framework, RESTful API

Web servers: Apache, Nginx, uWSGI

Configuration Management: Shell, Ansible

Virtualization: Vagrant, VMWare

Monitoring: Stack driver, Statsd/Graphite