About

Venkata Narayana Katta is an experienced Staff Data Engineer at GE Digital with over 8 years of experience in application development and design using Hadoop, Big Data, Transaction processing facility, and Java/J2EE Technologies. He has a strong working experience of around 4+ years with Big Data and Hadoop Ecosystems and has expertise in domains such as Banking & Finance, Airline domains. Venkata has excellent leadership, analytic, and programming skills in using technology to develop effective complex business solutions. He has strong experience with configuring, using Hadoop and Ecosystem components like HBase, Hive, Pig, Oozie, Sqoop, Flume, Spark, Mahout, Impala, and has an excellent understanding/knowledge of Hadoop architecture and various components of Hadoop such as HDFS, Job Tracker, Task Tracker, Name Node, Data Node, Map Reduce, HDFS, and YARN. He has good experience in writing Map Reduce Programs using Java and Python, and HiveQL to query data from Hive tables in HDFS and implementing UDFs in Hive. He has also used Pig Latin scripts and customized UDF’s in Java to analyze large data sets. Venkata has hands-on experience in using Hadoop distributions like Cloudera CDH4, Hortonworks2.0, Pivotal HD, and open-source Apache Hadoop. Venkata has exposure to RDBMS architecture, modeling, design, development, and loading migration with Oracle, Greenplum, and experience with NoSQL data stores like HBase. He also has experience in data ingress and egress using Sqoop from HDFS to Relational Database Systems and vice-versa, and good knowledge of Log4j for error handling. Talend for ETL and Report generation using Business Objects is also one of his skills. Venkata has experience in working with Flume to load the log data from multiple sources directly into HDFS, designing both time-driven and data-driven automated workflows using Oozie, and processing data serialization formats like Xml, JSON, Sequence Files, and Avro. He has developed Unit tests for MapReduce code using MRUnit test framework and is good at preparing dashboard reports using Tableau, Qlikview, and DOMO. Venkata has worked as a Sr Data Engineer - GE Digital at Capgemini and as a Hadoop/Big data developer -Citi at TCS in the