Business analytics

We want to customize a Business Intelligence tool that is available on a SAAS architecture for multiple users across various geographical location.. The duration of the project is 3 months. We need freelancers with the following skills : Position 1 : Senior Architect Senior Architect in Java, J2EE technologies, understands Pentaho, DB, OLAP and has worked in them, understand dashboard and helps in designing one. Typically with around 6-8 yrs of experience. Should be able to architect and design the overall layout and integrate different components like BI engine, ETL layer, front end. Position 2 : Software Engineer A Junior software engineer in Java, J2EE technologies with clear understanding of OOP concepts, and has about 2-4 yrs of coding experience. Position 3 : Database Administrator A Senior database architect who understands and designs database tables, create cubes, ETL from different datasources, OLAP experience. This person can work as a parttime too.