Salesforce

Certifications in Sales Cloud, Service Cloud, and technical certifications.
Expertise in all Salesforce technologies.

Data

Data.com, Hadoop & NoSQL, MDM, Data Integration, Data Migration, and Data Quality

Marketing Automation

Marketo, Eloqua

Mobile

Salesforce1, Native/HTML5 iPhone & Android

Web

Javascript, Java, Ruby, MySQL, Postgres

Webservices API

REST, JSON, SOAP