## Programming
- Java, Ruby, Python,
- VBScript, CoffeeScript, JavaScript, Bash
## Software
- IIS, SQL Server
- Apache, Tomcat, PostgreSQL, MySQL, Redis
- Alfresco, Liferay
## Services
- Heroku
- Google App Engine
- AWS (EC2 / S3, Glacier, CloudFront / RDS, DynamoDB, ElasticCache, Redshift / VPC, Route 53 / IAM / OpsWorks, CloudFormation)