- Open Source bigdata technologies: Hadoop, Pig, Hive
- Databases and Business Intelligence
- Text Search
- Web Analytics, Behavioral Targeting
- Opinion Mining
- Cloud and SAAS
- Data Mining: Associations, Classification, Clustering
- Bigdata: Map-Reduce, Hadoop
- Programming Languages: C++, .Net, Java-J2EE, Javascript, Python, Shell
- Data: Oracle, SQL Server, MySQL, Greenplum
- Search: Lucene, Sphinx
- Bigdata: MongoDB, Elasticsearch
- Web: HTML5, React.js and Flux, REST based web services
- BI:
- Data Integration-ETL (Boomi cloud, SSIS, Informatica),
- OLAP (SSAS, Mondrian),
- Reporting (SSRS, Jasper, Pentaho, Mondrian)
- Cloud: Amazon Web Services
- Development Tools: Most of the common IDEs and Source Control Systems, Tools for Unit Testing, Coverage, Profilers.