Isha Arora
+1-856-***-**** ****.********@*****.***
SUMMARY
Lead ETL developer with 6 years of experience in IT design & architecture, development and deployment of data warehouse, RDBMS and client server applications under multiple environments (i.e. Unix, DOS), expertise knowledge of SDLC methodologies i.e. waterfall and agile, product support and domain knowledge in financial & pharmacy sector.
AREAS OF EXPERTISE
Data warehouse architecture
Performance tuning
Oracle
Data analysis
Informatica power center
MS SQL server
Agile methodology
Dimensional modeling
TECHNICAL PROFICIENCY
Tools
Data Warehousing (Informatica 8.x/9.x)
Languages
C, C++, SQL, PL/SQL, Java (Core), UNIX
Modeling/Workflows
Data Modeling, Data Warehousing
RDBMS
Oracle
PROFESSIONAL EXPERIENCE
Organization
Designation
Tenure
Tata Consultancy Services
Technical Analyst
Apr 2012 Till May 2015
I.Project: Financial Institution Credit System (FICS) Client: GE(US) Period: 2014 - 2015
Project Summary: FICS was built to eliminate dependency on manual spread sheets and increase support automation, reporting of obligor credit risk exposures and corresponding risk management processes. One of the key goals of FICS system is to have enhanced reporting capability.
Job Responsibilities:
Provided data with FICS business rules to ELCM staging for automated and manual sources.
Worked on different OLTP data sources such as Oracle, flat files for data extraction
Created complex mappings in Informatica power centre designer using aggregate, expression, filter, sequence generator, update strategy, sorter, lookup, joiner transformations etc. Also, developed mapplets and reusable transformations.
Leveraged different Informatica modules (i.e. workflow manager/monitor/command line utility) to create, schedule and control workflows, tasks and sessions.
Executed the project end to end development, unit testing and deployment to QA and production environment.
Wrote various UNIX scripts to perform different actions on the file like ftp he files, archiving etc. and executed/scheduled them through Informatica.
II.Project: TDP Data Access Layer Client: GE Treasury (US) Period: 2013- 2014
Project Summary: TDP Data Access Layer is a key component of Treasury’s BI target data architecture and aims to provide a standardized data publication framework on top of treasury data platform (TDP) to simplify data access for treasury’s data downstream systems i.e. Adaptiv & Bancware.
Job Responsibilities:
Worked as technical lead which involves ensuring the smooth delivery by adopting methodologies like, Waterfall and Agile, following industry wide best practices and quality standards, mentoring and training junior associates.
Involvement in entire SDLC (requirement gathering, technical delivery & testing)
Designed ETL solutions as per the requirement, proposed best solutions among different solutions.
Provided quality project oversight for all activities related to data consolidation, data integration, data transformation and data quality.
Build and maintain SQL scripts, indexes and complex queries for data analysis and extraction.
III.Project: BDI Simplification Client: GE(US) Period: 2012 - 2013
Project Summary: Provide consolidated data transformations to satisfy ALM5 requirements for each of the products through Informatica. Once the business models were operational in Informatica, the BDI track was neutralized.
Job Responsibilities:
Created complex mappings in Informatica power center designer using different transformations to make the data available in ALM desirable format.
Proficient usage of Informatica workflow manager, workflow monitor, pmcmd (Informatica command line utility) to create, schedule and control workflows, tasks and sessions.
The data maintained in Oracle target tables is then copied over to ALM database (SQL Server environment), which then becomes source for ALM risk engine.
Performed SQL, PL/SQL tuning and application tuning using EXPLAIN PLAN, AUTOTRACE etc.
Achievements- Awarded TCS “On the Spot Awards” for two years –Recognition towards a) Successful implementation of TDP Access Layer portal and ensuring smooth delivery, b) Active participation towards CSR
Organization
Designation
Tenure
Infosys Technologies
System Engineer
Jul 2009 Till Mar 2012
I.Project: Vendor Response Management (VRM) Client: Pfizer (US) Period: 2011-2012
Project Summary: Designed the data flow and the data model for Vendor Response Management system which ensured scalability, parallelism and robustness in the system.
Job Responsibilities:
Analyzed the algorithms to figure the possible flaws in specific scenarios in the system.
Successfully handled implementation of Informatica integration with XML which involves
-Creation of XSD (XML schema definition) sent by 18 vendors
-Validations at different stages before delivering to siebel base tables
Reprocessed failed records which were sent back to vendors as XML created via Informatica.
Automated the process of picking up the vendor file, processing it and presenting it to Informatica (8.6) before starting off with the data load.
Created a set of more than 100 SDE and SIL mappings for OLTP to OLAP data transfer.
II.Project: EMM Client: Lexis Nexis Period: 2010-2011
Project Summary: To build an enterprise wide data warehouse on teradata platform which is being enhanced to capture information, drive workflows and automate tasks and provide analytical solutions more efficiently.
Job Responsibilities:
The entities that were not being used in production were implemented with star schema warehouse design and added to the EDW.
Developed mappings to load into staging tables and then to dimensions and facts.
Worked on the creation of technical design & unit test document.
ACADEMIC CREDENTIALS
Year
Examination/Degree
Institute
2009
Bachelors of Technology
Krishna Institute of Engineering & Technology, India
CERTIFICATIONS
Year
Details
2014
Certification in cash management
2013
Certification in Treasury management concepts
2011
Oracle business intelligence foundation 10.1.3 essentials
ADDITIONAL INFORMATION
Visa Sponsership: Not required