Senior cognos developer vs hadoop developer

Differences between senior cognos developer and hadoop developer duties and responsibilities

Senior cognos developer example responsibilities.

• Introduce and develop OLAP dimensional analysis and eventually lead the transition of reporting from relational to dimensional.
• Create and design DTS packages (SSIS) used for implementing the schema for the required data mart.
• Work along with the ETL team to understand the flow of data from OLTP system to the OLAP system.
• Tweak the Java scripts in reports to support for Cognos10.1.
• Involve in creating Informatica transformations, scheduling jobs and data loading.
• Create an ODS for reporting from base tables in DB2 database.
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Hadoop developer example responsibilities.

• Manage the configuration of the cluster to meet the needs of analysis whether I/O bound or CPU bound.
• Lead initiatives to automate application builds and deployments using Hudson/Jenkins.
• Build and manage development and testing environments, assisting developers in debugging application issues.
• Utilize various data analysis and data visualization tools to accomplish data analysis, report design and report delivery.
• Used Cassandra (CQL) with Java API's to retrieve data from Cassandra tables.
• Work extensively in creating data platform for data injection from multiple sources into HDFS using Kafka producers, consumers.
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