Roma Kaur SinghMobile:9730091088 Email: romakaursingh@gmail.com

Seeking professional enrichment in Data warehousing in IT Sector with a growth oriented organisation of high repute.

Professional Forte

4 yrs. of experience in Software life cycle in Data warehouse and Client Server applications and developing Strategies for Extraction, Transformation and Loading mechanisms using Informatica on Oracle database.

Presently associated with Hitachi Consulting Software Services India, Pune.

Possess sound knowledge in data warehouse concepts and have expertise in ETL tool, Informatica Power Center 8.6/9.1.

Excellent communication and interpersonal skills with proven abilities in resolving various complex software issues.

Have basic knowledge of unix.

Organisational Experience (IT)

Hitachi Consulting Software Services Senior consultant Jan 2011 till date

SKILL SET

Technical

Skills : ETL designing, Performance TuningTools : Knowledge of Informatica Power Center 8.6/9.1Operating Systems : Windows 98, 2000, XP, UNIX.Databases : Oracle 10g, Oracle 11g

ETL Development Performing manual testing for the software. Capable of the Designing and Development of process required for Extracting, Transformation

and Data Loading. Optimizing the ETL process using performance-tuning methods. Performing the logical test for object, preparing & executing the Unit Test Cases.

Accolades:

Won Quiz Competition at Inter School Level. Participated in cricket and badminton competition in Hitachi consulting and won 1 st runner up

position.

Projects Handled

Toyota Financial Service

Duration : January 15 –Till Date Client : Toyota Financial Services - TFS Environment : Unix, Informatica 9.1, OracleTeam Size : 10 membersRole : ETL Developer

Migrating the data from legacy system to oracle database. Using the Agile Methodology. Using the Dynamic lookup to avoid the duplicates. Used the audit control to get the table metadata. Used most of the transformations such as Normalizer ,Update Strategy, Lookup etc. Editing the unix file. Worked on the flat files. Implemented the CDC logic in the mapping to capture the change data. Used Unix to run the sessions and for parameter files. Created the technical specs. Done the extensive testing and created the test document. Have done performance tuning for better performance. Created indexes and partitions on database tables for performance enhancement Created partitions in the Informatica level for performance enhancement.

American Home Mortgage Servicing Inc - ADR Delivery

Duration : July 13 –Dec 14 Client : American Home Mortgage Servicing Inc - ADR Delivery Environment : Windows Vista, Informatica 9.1, OracleTeam Size : 8 membersRole : ETL Developer

Analyzed the source data coming from different sources (DB2, Flat files). Developed and implemented Complex Mapping for the different stages of ETL. Used most of the transformations such as the Source qualifier, joiner, Aggregators, Filters,

Routers, Sequence Generator, Update Strategy, Rank, Expression and lookups (connected and unconnected) while transforming the Data according to the business logic.

Implemented Update Strategy at both mapping and session level. Used various lookup caches like Static, Dynamic, and Persistent in Lookup transformation to

identify by the incremental data. Implemented SCD -Type I & Type II

Done extensive testing and wrote queries in SQL to ensure the loading of the data. Prepared Unit Test Document. Worked on fixing of defects raised in QC. Using Workflow Manager for Workflow and Session Management, database connection

management and Configured session properties and target options for better performance. Debugged the sessions by utilizing the logs of the sessions. Used Debugger wizard to analyze the flow of data for insert, update and delete. Worked on performance tuning and optimization of the Sessions, Mappings, Sources and

Target, Transformations. Technologies: Informatica 9.1, Oracle 11g.

SELECT COMFORT Duration : May 12– May 13 Client : SELECT COMFORT Environment : Windows 7, Informatica 8.6, OracleTeam Size : 1 memberRole : ETL Developer

It was a migration project. Client wanted to migrate data from 11.5.10 EBS to Siebel Field Services.

Worked on Informatica 8.6. Delivered the module alone with the help and support from onsite team. Coordinated with Siebel team for unit testing the data. Created the Unit test docs and validation checklist.

EPCO

Duration : March 11 to March 12Client : EPCO Environment : Windows Vista, Informatica 8.6, OracleTeam Size : 6 membersRole : ETL Developer

Understanding existing business model and customer requirements. Proper understanding & analysis of the requirement. Understanding the Data model Prepared UTC for the developed mappings & tested mappings as per ETL specification. Created validation checklist

Academia

MSc IT from SMU Graduation from Burdwan University, WB in 2005. 12th from CBSE, New Delhi in 2002. 10th from CBSE, New Delhi, in 2000.

Personal Dossier

Date of Birth : 01/07/1984Address : A2- 604, Sampanna homes, Manijiri, Pune. Languages known : English, Bengali, Punjabi & Hindi.

(Roma Kaur Singh)