1. VENUGOPAL CHIPPA
E-Mail: venuzone@gmail.com
Contact No.: 9000134110
Seeking a Hadoop Technical Lead position at high reputed organization where I can maximize my technical and management skills.
PROFILE SUMMARY
 4 years of experience in IT industry including Big Data-Hadoop and Data Warehousing technologies.
 Hands on experience with Big Data core components and Eco System (HDFS, MapReduce, Hive, Sqoop, Flume, Oozie, HBase,
Pig, Core Java )
 Hands-on experience in configuring, developing, monitoring, debugging and performance tuning of Big Data applications using
Hadoop
 Deep experience with Distributed systems and large scale non-relational data stores.
 Experience in Informatica ETL processes.
 Experience in handling Enterprise Data warehouses-Development, Support and Maintenance
 Worked with customers closely to provide solutions to various problems
 Quick learner and self starter to go ahead with any new technology.
ORGANISATIONAL EXPERIENCE
 Working with Tech Mahindra (Satyam Computer Services Ltd) from Feb 2011 to Till date
Education Details
 B.Tech from JNT University in the year 2010
Technical Skills
 Big Data/Hadoop eco system : Hadoop,HDFS,MapReduce,HIVE,HiveQL,Pig,Sqoop,HBase,Oozie,Flume,Splunk
 ETL Tools : Informatica 9.1/8.x
 Reporting tool : Business Objects
 Databases : Oracle 11g/10g/9i/8i
 Data Management tools :SQL *Plus, SQL Developer, Enterprise Manager, Toad
 DB Languages : SQL
 NoSql : HBase, Cassandra
 Operating Systems : VMware, Linux, Unix, WINDOWS 98,CENT
Professional Experience:
Hadoop (Big Data)
Type: Development
Customer: GE Atlanta, USA
Offshore: Mahindra Satyam Computer Services Ltd Limited, Hyderabad
Tools/Platform: BigData, Hadoop, HDFS, Hive, Hive QL, Pig, Sqoop, Flume, Oozie, Oracle
Responsibilities:
 Analyze Client Systems and Gather requirements.
 Design technical solutions based out of the Client needs and systems architecture.
 Data is collected from Teradata and pushing into Hadoop using Sqoop.
 The logs are pulled form log server and stored in the FTP server hourly wise; this data is pushed into Hadoop by deleting data
in the FTP server.
 Data was pre-processed using MapReduce and stored into the Hive tables.
 Implementation part of the Big Data solution has been taken care.
 Extract data from various log files (Apache weblog, adobe log, Hit Data log) and load it into HDFS under Hadoop.

2.  Developed and build HIVE tables using Hive QL.
 Developed scripts using Hive QL for the analysis purpose.
 Tuned Hive queries to get the best performance.
 Written Apache Pig scripts for data analysis on top of the HDFS files.
 Extracted data from RDBMS – Oracle into HADOOP using Sqoop.
 Used Hive on the RDBMS data for data analysis and stored back to DB.
 Used Oozie for scheduling.
 Provided solutions to various problems in Hadoop.
Hadoop: General Electronics (G.E)
Type: Development
Customer: General Electric, Cincinnati, OH, USA
Off shore : Mahindra Satyam Computer Services Ltd Limited, Hyderabad
Tools/Platform: Big Data, Hadoop, HDFS, Hive, Hive QL, Apache Pig, Sqoop and Oozie
Responsibilities:
 Developed PIG Latin scripts to extract the data from the web server output files to load into HDFS
 Developed the PIG UDF’S to pre-process the data for analysis
 Developed workflow in Oozie to automate the tasks of loading the data into HDFS and pre-processing with PIG
 Developed HIVE queries for the analysts
 Moving data using flume
 Provided solutions to various problems in Hadoop
 Developed and build HIVE tables using Hive QL
Title : Shop floor Systems
Client : GE Energy
Role : Informatica Developer
Project Description:
GE Energy is one of the 12 major businesses of General Electric Company USA and is the world's leading supplier of power
generation technology, service and energy management systems. GE Energy services customers globally through a network of loca l
offices and service centers, with three regional headquarters - GE Energy Asia-Pacific in Hong Kong, GE Energy Europe in London
and GE Energy Americas in Schenectady, NY.
GE Energy includes 12 manufacturing centers, nearly 22,200 employees, 130 sales and service engineering offices, and 58
apparatus service centers, worldwide.Relates the turbines data and all the part counts which will be counted in the application where the
ETL loads run at Informatica and reports with BO 6.5.
Contribution:
As an ETL Developer, I was responsible for
 Design of Extraction Transform & Load (ETL) environment
 Involved in requirements study and understanding the functionalities
 Extensively worked on transformations like Filter, Expression, Router, Lookup, Update Strat egy, Sequence generator
 Analysis of Specifications Provided by Clients
 Created various Transformations like Connected and Unconnected Lookups, Router, Aggregator, Joiner, Update Strategy etc…
 Created and Monitored Informatica sessions.
 Prepared Low level mapping documents for the ETL built
 Provided Knowledge sharing sessions and helping team to understand the requirements clearly
 Good interaction with the team and business users
Environment: Informatica Power Center 8.1 and 9.1, Windows XP, Oracle10g/11g, SQL, UNIX
Title : MITTR01
Client : GE Energy
Role : Informatica Developer

3. Project Description:
The primary objective of the MITT is to bring together information from disparate legacy systems for its data and put the information
into format that is conducive to make business decisions. Usually the data is fed from COPICS tables into an FTP Server and f rom there
it is picked up by the scripts and loaded into the base tables and the Rollup tables. It also fetche s the data from other source systems like
TIMES, COSDOM.
This data from various source systems is primarily extracted on a daily and weekly basis, which in turn is also, used by fina nce and
Engineering team data reports. Currently the Functional and IM teams are notified by mails if there is a load failure over the
weekend/daily loads.
Contribution:
 Creating Mapping using Informatica
 Analyzing data issue problems with data marts and recommending solutions
 Analyzing ETL mappings and making changes for optimization of load
 Experience using ETL development (Informatica)
 Experience using relational databases (Oracle 9i,10g/11g)
 Experience with developing and supporting ETL applications
 Responsible to deliver the work on time and customer challenges.
Environment: Informatica Power Center 8.1 and 9.1, Windows XP, Oracle10g/11g, SQL, UNIX
Personal Details:
Name : venugopal.ch
Email ID : venuzone@gmail.com
Passport No : J1238807(Valid upto 20/10/2020)
Location : Hyderabad
Contact Numbers : +91 9000134110
Date:
Hyderabad (Venugopal)