- Support and maintain production Cognos web portal to manage the OLAP cube and folders.
- Used various transformations like expression, union, source qualifier, aggregator, router, store procedure, lookup transformations.
- Work on transformations such as source qualifier, joiner, lookup, rank, expression, aggregator and sequence generator etc.
- Work with relational databases like DB2.
- Develop mappings with XML as target and formatting the target data according to the requirement.
- Work with logical, physical, conceptual, star, snow flake schema data models.
- Extract data from flat files, DB2 and to load the data into the SalesForce database.
- Work with various data sources--relational, flat file (fix width, delimitate) and XML.
- Involve in all phases of SDLC from requirements gathering, architecture design, development, testing, and data migration.
- Involve in all phases of SDLC - requirement gathering, design, development, testing and implementation and post-production support.
- Involve in writing PERL scripts for file transfers, file renaming and few other database scripts to be execute from UNIX.
- Create functional and technical mapping specifications and documentation for QA team.
- Support implementation and execution of MAPREDUCE programs in a cluster environment.
- Maintain data integrity during extraction, manipulation, processing, analysis and storage.
- Migrate repository objects, services and scripts from development environment to production environment.