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Beerappa Mobile: + 91- 9666004562Email: beerappa.k1@gmail.com

5/8/2m

Objective

Looking for a challenging and Responsible position in the field of Information Technology andhave the flexibility to adapt to any new environment and work on any project wish to utilize thisexperience in an organization as part of them.

Professional and Experience Summery

Having 3.6 years of Experience on Data Warehousing in analysis, design and development ofsoftware applications using Informatica Power Center Designer 7.1 and 8.6.

Extensive experience in designing and developing ETL mappings using InformaticaDesigner and configuring sessions & workflows using Workflow Manager.

Experience in Development of mappings using needed Transformations to implementthe business logic.

Understand high-level Data warehousing requirements of the business and prepare thelow level technical design document.

Strong Hands on experience with Extract, Transform & Load process using InformaticaPower Center.

Have sound knowledge in Data warehousing concepts like Star Schema, SnowflakeSchema, Dimensions and Fact tables.

Hands on experience in development of various Transformations like Expression, Filter,Router, Lookup, Joiner, Aggregator, Sorter, and Update Strategy.

Experience of dealing with multiple source systems like relational and flat files .

Good knowledge on mapplets, work lets and reusable transformations .

Possess complete domain and development Life Cycle knowledge of DataWarehousing.

Experience in performance tuning and debugging of sources, targets, mappings andsessions.

Excellent problem solving skills with strong technical background and goodinterpersonal skills. Quick learner and excellent team player , ability to meet deadlinesand work under pressure.

Good Knowledge on PL/SQL concepts like Stored Procedures, Functions and Triggers.

Extensively used Informatica client tools Source Analyzer, Warehouse designer,Mapping designer, Mapplet Designer, Informatica Repository Manager andInformatica Workflow Manager.

mailto:beerappa.k1@gmail.commailto:beerappa.k1@gmail.commailto:beerappa.k1@gmail.commailto:beerappa.k1@gmail.com

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Technical Skills:

ETL Tools : Informatica Power Center 7.1/8.6Database : Oracle 9i, 10g

Operating Systems : Windows XP/ 2000/NT, UNIXProgramming : SQL and PL/SQLApplications Tools : Toad, Putty

Educational Qualification :

B.Sc from Sri Krishnadevaraya University, Anantapur in 2007.

Work Experience:

Currently working for Honeywell, Bangalore from Nov 2009 to till date.

Worked for L&T Infotech, Bangalore from Jan 2008 to Oct 2009.

Projects in detail:

Project # 1:

Project : Marketing Management and Measurement (M 3)Client : CISCO, USEnvironment : Informatica 8.6, Windows XP, UNIX and ToadDatabase : Oracle 10gDuration : Nov-2010 to till date

Project Description:

CISCO is Networking & Electronic equipment Manufacturing Company. They have widerange products like computer peripherals, household appliances, entertainment & medical electronicslike routers, adapters, switches, cables & network cameras etc.

The vision of M3 is to create a marketing decision support system with collaborative planning,resource allocation and analysis with the end goal being the ability to track results.

The main objective of the project was to improve the sales and get the knowledge of the newbusiness opportunities.

Roles and Responsibility:

Creating Informatica mappings, sessions and workflows.Creating session & scheduling of session for loading data.Involved in development of source to target mapping sheet which tells us what is the sourceand target, which source column we need to populate to target column.Created various Transformations like Lookup, Joiner,Sorter Aggregator, Filter, Expression,Router, Sequence Generator and Update Strategy.Involved in preparation of test cases and testing of mapping.Preparation of ETL mapping documents.Performance Tuning and debugging of existing ETL processes.Successfully Implemented Slowly Changing Dimensions. Used Type 2 dimension to keep thehistory changes.Involved in code review and peer review.

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Project # 2:

Project : Production Management SystemClient : WellPoint, USA Environment : Informatica 8.6, Windows XP, UNIXDatabase : Oracle 10g

Duration : Nov-2009 to Oct-2010

Project Description:

Production Management System is a Clinic Management System delivers all the majorfunctional areas of medical practitioners and small hospitals. It enables fast, accurate and automatedcollection of patient data and subsequent report generation. It enhances efficiency and providesanytime access to patient records. It mirrors the analysis and documentation process that a doctorperforms everyday and simplifies his data entry tasks.

Roles and Responsibility:

Modifying the existing Mappings and Workflows to work with modified database andsource structures.

Creating Informatica mappings, sessions and workflows.

Created various Transformations like Lookup, Joiner, Sorter Aggregator, Filter,Expression, Router, Sequence Generator and Update Strategy.

Involved in development of source to target mapping sheet which tells us what is thesource and target, which source column we need to populate to target column.

Validated and tested the mappings using Informatica Debugger, session logs andworkflows.

Modifying the overrides in sessions and mappings and validating them.

Performance Tuning of the Informatica Mappings by adopting Explain plans, cutting downquery costs using Oracle hints, changing the mapping designs.

Documenting all the processes & maintaining standards as per CMM level 5.

Coordinating with the development as well as the testing team.

Migration of mappings, sessions and workflows between Test, Stage and Production

environments.

Involved in Unit Testing and preparation of test cases for the project.

Involved in code review and peer review.

Project # 3:

Project : Rewards Management SystemClient : Merrill Lynch

Environment : Informatica Power Center 8.1.1Database : Oracle 10gDuration : Jan-2009 to Oct-2009

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Project Description:

Rewards Management System (RMS) is a web-based application is used to manage and maintain theEmployee data, Computation & Administration of the equity awards to employees. In RMS, the carveouts are defined with population and their respective managers. The manager is allowed to edit the

details at one shot for all participants in carve out and send it for approval. Once reviewed andapproved the payment information loaded to RMS, then the payment info goes to the Payroll System.

Roles and Responsibilities:

Creating Informatica mappings, sessions and workflows.Used ETL tools Informatica for extraction, Transformation and loading data into datawarehouse.Used various Transformations like Expression, Filter, Joiner, Sorter and Lookup to migrateclean and maintain data.

Created test scripts and involved in deployment activities.

Performance Tuning and Debugging of existing ETL processes.Successfully Implemented Slowly Changing Dimensions. Used Type 2 dimension to keepthe history changes.Prepared Mapping documents.Created Sessions, workflows in Workflow Manager and scheduled the sessions to run at aspecified frequency.Involved in code review and peer review.

Project # 4:

Project : Executive Information PortalClient : Breston Business Solutions USA Environment : Informatica 7.1.1, Oracle9i, UNIXDatabase : Oracle9iDuration : Mar-2008 to Dec-2008

Project Description:

The goal of this project was to consolidate order and sales information at one place with uniformCore attributes, which are required for business reporting from different source systems. This projectdescribes the high level requirement of data warehouse systems. The OLAP applications used togenerate sales report, invoices, report invoices in ledger, cleared and unclear invoices etc.

Roles and Responsibilities:

Development of Informatica Mapping/Workflow to Populate Staging area.Development of mapping/Workflow to load data into Target Data Warehouse using CDCTechnique.Created various Transformations like Lookup, Joiner, Sorter, Aggregator, Filter, Expression,Router, Sequence Generator, Rank and Update Strategy.Development of UTC plan.Tuned the mapping for the better performance.Successfully Implemented Slowly Changing Dimensions. Used Type 2 dimension to keepthe history changes.

Involved in Involved in Unit Testing and preparation of test cases for the project.Involved in code review and peer review.