OBJECTIVE:

EXPERIENCE:

5/2012 - Present

Senior Datastge Developer

Experienced in scheduling Sequence and parallel jobs using DataStage Director, UNIX scripts and scheduling tools.Developed Datastage parallel jobs using different processing stages like Transformer, Aggregator, Lookup, Join, Sort, Copy, Merge, Funnel, CDC, Change Apply and Filter.Worked extensively with Dimensional modeling, Data migration, Data cleansing, ETL Processes for data warehouses.Have good experience in development and enhancement of Mainframe applications.Have good experience in Mergers and Acquisition projects.Experienced in defect management tools like HP Quality center ,Bugzilla.Extensively worked on databases like SQL 2005/2000 and Oracle 9i/10g/11g and experience in writing complex queries and using Oracle analytical functions.Experience using Talend for Data profiling and MS Excel for creating pivot tables to summarize and analyze large amounts of data using statistical, logical and database functions.Assisted in modeling various data marts and operational data stores using Dimensional modeling and Entity-Relationship modeling.Demonstrate self-reliance in researching technical solutions and product functionality and worked on critical projects as a lead developer.Served as a liaison between the business and the development team,Continuously improve upon existing approaches by seeking opportunity to creatively transform current business practices into fresh alternative solutions.Experience working with large datasets which includes online content and traffic statistics such as unique visitors, page view, average time on site, etc. for Food Network and HGTV websites.Experience in using Business Objects and testing reports.Possess analytical and problem solving skills and capable of managing multiple projects.Experience in developing test cases, developing test scripts and analyzing bugs.

9/2010 - 5/2012

Senior Datastage Developer

Involved in analysis, coding and Unit Testing.Prepared Procs, Job JCL’s for the many projects.Prepared Technical Documentation of Software Requirement Specifications.Prepared Unit Test Plan, Test Cases, Captured Unit Test Results and entered into Test Director for the programs Coded.Involved in building a Data warehouse model as per the specific requirements of the business. Handling large volume data loads, automatic error handling and auditing, performance tuning for bulk data load, aggregation in optimized time using ETL tools.Involved in the analysis of physical data model for ETL and the process flow diagrams. Developed SQL Scripts, and SQL*Loader control files for creating a development database. Created data governance strategies that reduced data redundancy wherever possible. Experience in working with enterprise scheduling tools like UC4, Control-M, and scheduling SSIS packages using SQL Server Agent.

7/2008 - 9/2010

Datastage Developer

ETL development using SQL Server Integration Services.Handled large table loads using SSIS and sqladhoc queries.Created SSIS packages for data movement and database maintenanceAssisted data architect for implementing physical databases from logical design.Have written complex queries and stored procedures as per business needs.Designed, constructed and implemented physical databases.Installed, maintainedand administered SQL Server 2000/2005 instances and databases.Scheduled and monitored all maintenance activities of SQL Server 2000/2005 including database consistency check and index defragmentation.Conducted and participated in model reviews ensuring that models accurately reflect the business rules and policies to satisfy the business requirementsInvolved in performance tuning,resolving deadlock issues, normalization and de-normalization processes.

4/2004 - 7/2008

Datastage Developer

Involved in the design and development of ETL processes to load data for analytical purposes.Was responsible for building new data marts (SEO data mart) as well as enhancing the current ones with new features.Automated processes using the Unix shell scripts.Since processing of huge files from Omniture was involved, performance tuning of the mappings, sessions and workflows played a huge role in bringing down the running time.Co-ordinated with Omniture to resolve source file related issues.Wrote test cases for integration testing.Performed data profiling of the sources using Talend open source tool before beginning the development work. That helped me identify the data patterns.Analyzed data related issues and proposed possible solutions and picked the best one after the consultations based on ROI.Worked on the Revenue data mart which involved a lot of mappings with complicated data calculations where the totals have to absolutely precise.During development work, focused on reusability and simplicity to get the best performance.Used advanced mapping techniques to make the most of the Informatica tool.Worked with the users directly for requirements as well as any data related issues.Documented all the processes for the ease of understanding for the new recruits as well as for the existing ones.Have provided production support and resolved critical issues.

EDUCATION:

Master's Degree

LANGUAGES:

Languages

Proficiency Level