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Kallesha CB Mailto: kallumanju@yahoo.co.in
Mob: +91 9902025519
PROFESSIONAL SUMMARY
A highly dedicated and Dynamic professional around 4.3 years of Experience in Informatica/PLSQL as an
Informatica/PLSQL datawarehouse Developer.
 Experience in Development of mappings using needed Transformations using Informatica tool.
 Experience in the Data Warehousing using Data Extraction, Data Transformation and Data Loading.
 Used ETL process to Extract, Transform and Load the data into stage area and data warehouse.
 Unix shell scripting for scheduling, un scheduling, searching file, giving trigger files
 Preparing the Documentation for the mappings according to the Business Requirements.
 Good Knowledge on Data Warehousing concepts like Star Schema, Dimensions and Fact tables.
 Optimizing Informatica Mappings and Sessions to improve the performance.
 Extensively used Informatica client tool Source Analyzer, Warehouse designer, Mapping designer, Mapplet
Designer, Informatica Repository Manager and Informatica Workflow Manager
 Possess complete domain and development Life Cycle knowledge of Data Warehousing.
 Excellent problem solving skills with strong technical background and good interpersonal skills. Quick
learner and excellent team player, ability to meet deadlines and work under pressure
 Analyzing the data using PL/SQL
 Hadoop component(HIVE,HBASE) integration using Informatica Plugins
 Effective in writing Hadoop hive quires,
 Datawarehouse implementaon in hive
 Analyzing the unstructured data coming from different data streams(JSON, Avro strings)
 Bigdata anyalytics
EDUCATION
 Bachelor of Engineering from UBDT College of Engineering, Davanagere in 2011
 Pre-university course from Anmol College in 2007
 SSLC CBSE syllabus in 2005
WORK EXPERIENCE
 NetApp, Bangalore from Mar 2015 to till date
 Tata Consultancy Services, Mumbai from March 2012 to Mar 2015.
Achievements
 Client appreciation from Netapp
 Greenbelt Certified for performance improvement in ETL area.
 Client appreciation Certificate from GE.
 Client appreciation Certificate from Cisco systems.
IT SKILLS SET
ETL Tool Informatica Powercentre 8.X & 9.X, Pentaho
Reporting Tool Cognos Report studio
RDBMS and Language Oracle 11g, Teradata, Shell Scripting
OS Windows
Shell scripting Unix shell scripting, Java scripting

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PROJECT PROFILES:
1) PROJECT NAME Cisco WebEx
Client NetApp Data Management and Cloud Storage Solutions, India
Period Mar 2015 to till date
Solution Environment Informatica 9.6, Pentaho ETL, Hive, Hbase, Pig Windows XP,UNIX
Role ETL Hadoop Hibernate Bigdata Developer
Domain Storage
Project Description:
NetApp mainly works on storage domain, Extend to the hybrid cloud on your terms. Leverage the versatility of
NetApp clustered Data ONTAP® software to maintain control of your data across your hybrid cloud.
Roles and Responsibilities:
 Understanding existing business model and user requirements.
 Extracting the data from Hbase,Hive and HDFS using Informatica Hadoop plugins and even pentaho
ETL plugins
 Understanding the raw data and process in HDFS Cluster
 From the user requirements understand the Dimensions and Facts.
 Designing the dimensional model and data warehouse tables.
 Responsible for designing processes to extract, transform and load data from different
source systems via Informatica mappings into the data warehouse.
 Developing Informatica Mappings, sessions and workflows
 Devoloping Pentaho ETL Steps,Transformations, Jobs to process the raw data
 Scheduling of Informatica Workflows for various frequencies
 Shell scripting for Informatica automations
2) PROJECT NAME Cisco WebEx
Client Cisco systems, India
Period Sep 2014 to Mar 2015
Solution Environment Informatica 9.6, Teradata, Windows XP,UNIX
Role ETL Developer
Domain Sales
Project Description:
Cisco WebEx, formerly WebEx Communications Inc. is a company that provides on-demand collaboration,
online meeting, web conferencing and videoconferencing applications. Its products include Meeting Center,
Training Center, Event Center, Support Center, Sales Center, MeetMeNow, PCNow, WebEx AIM Pro
Business Edition, WebEx Web Office, and WebEx Connect. All WebEx products are part of the Cisco
collaboration portfolio.

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Roles and Responsibilities:
 Understanding existing business model and user requirements.
 From the user requirements understand the Dimensions and Facts.
 Designing the dimensional model and data warehouse tables.
 Responsible for designing processes to extract, transform and load data from different
source systems via Informatica mappings into the data warehouse.
 Developing Informatica Mappings, sessions and workflows
 Scheduling of Informatica Workflows for various frequencies
 Shell scripting for Informatica automations
3) PROJECT NAME GE Treasury – Data Warehouse
Client GE Treasury, United States
Period Sept 2012 to Aug 2014
Solution Environment Informatica 9x,Oracle 11g, Windows
Role ETL Developer
Domain Banking and Finance
Description:
The GE Treasury is responsible for global funding, cash management, and treasury services for all of GE's
worldwide operations. Almost all of GE's debt is issued through GE Capital to support its financial services
businesses. Every day, GE Corporate Treasury manages billions of dollars money that must be collected from
customers and paid to vendors around the globe, in a dozen foreign currencies.
GE Corporate Treasury serves over 4,000 business units within the GE family of companies, spanning some
20,000+ bank accounts with nearly 200 banks around the globe. GE Capital is America's largest corporate issuer
of long-term debt and the world's largest issuer of commercial paper.
Responsibilities:
 I was responsible for enhancement of GE Treasury TDH/EDW Model. I created ETL mappings
for dimesions and facts.
 Unit testing of the code. Analyze and resolve the bug raised by QE team if any.
 Frame the queries for the validation if required by the validation team and business users.
 Scheduling of the ETL jobs Informatca Scheduler.
 Fine tuning of stored procedures.
 Root cause analysis of PROD issues.
 Enhancement to existing ETL’s.
 Work with the QA team to involve in the final testing of the product.
4) PROJECT NAME GE Asset Management
Client GE Asset Management, United States
Period March2012 to September 2012
Solution Environment Informatica 8.6, Oracle 10g, Windows,UNIX
Role ETL Developer
Domain Pension fund dealing
Description:
GE Asset Management (GEAM) is a wholly owned subsidiary of GE that is into Funds Management and Portfolio
Management business. Recently, GE decided to merge 3 of their Investment shops to form a single, larger entity

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with much higher combined expertise and funds under management. The entities merged were GEFA Investments
(Seattle), ERC Investments (Kansas City) and GEAM (Stamford).
Responsibilities:
 Created ETL mappings using Informatica Power Center to move Data from multiple sources like Flat files,
Oracle into a common target area such as Staging and Data Warehouse .
 Designed the Mapping Technical Specifications on the basis of Functional Requirements.
 Extensively used Informatica client tools – Source Analyzer, Warehouse designer, Mapping designer,
Mapplet Designer, Informatica Repository Manager and Informatica Workflow Manager.
 Unix shell scripting for scheduling, un scheduling, searching file, giving trigger files
 Developed different mappings by using different Transformations like Aggregator, Lookup, Expression,
update Strategy, Joiner, Router etc to load the data into staging tables and then to target. Aggregator,
Lookup, Expression, update Strategy, Joiner, Router, processes, test cases, and error control routines
Sequence generator etc transformations in the mappings.
 Used SQL tools like SQL Developer to run SQL queries and validate the data loaded into the target
tables.
 Review the documentation and coding created by other team members.
Personal Profile:
 Nationality : Indian
 Marital status : Unmarried
 Languages Known : English, Hindi, Kannada, Telugu