Summary

·  More than Ten years of experience as an ETL Developer in Data warehousing, Business Intelligence (BI) Solutions design & development. Business Intelligence area dealing with data analysis, solution design metadata management and MDM.

·  Extensively worked on the ETL mappings, analysis and documentation of OLAP reports requirements.

·  Extensive experience in Siebel 7/8 implementations, administration & configuration.

·  Good experienced in analysis, design (OOAD, UML, Design Patterns), development, testing, and rollout of application software.

·  Expertise in broad range of technologies, including business process tools such as Microsoft Project, MS Excel, MS Access, MS Visio, technical assessment tools, MicroStrategy Data Warehouse Data Modeling and Design.

·  Experience in Data Modeling and Database Architecture in OLTP and OLAP environment based on functional requirements.

·  Experience in Design and Implementation in Business Objects 4.0, XIR3/ XIR2/6.5, Web Intelligence, Oracle, SQL Server and DB2.

·  Installation and Configuration of Informatica MDM Hub, Cleanse and Match Server, Informatica Power Center.

·  Extensively worked in creating and integrating MicroStrategy reports and objects (Attributes, Filters, Metrics, Facts, Prompts and Hierarchies) with the Data warehouse.

·  Experience in Teradata Enterprise Data Warehouse (EDW) and Data Mart.

·  Extensive experience as BI solution architect and in other BI tools like Datameer 3.0.1, Tableau etc.

·  Defining the Match and Merge Rules in the MDM Hub by creating Path components, Columns and rules. Implementing MDM solutions and real time enterprise application integration.

·  Proficient at Enterprise Database Integration and Management. Well versed in Data Migration among MS SQL Server, Oracle, DB2, Sybase and MS Access databases.

·  Coding of sample test case programs in Java, C/C++, PERL, and for problem isolation.

·  Knowledge in the ETL (Extract, Transform and Load) of data into a data ware house/date mart and Business Intelligence (BI) tools like Business Objects Modules (Reporter, Supervisor, Designer, and Web Intelligence).

·  Have extensive working experience with IBM tools like IBM Cognos Business Intelligence, IBM DB2, IBM InfoSphere Streams, and IBM Content Analytics for search, IBM InfoSphere Data Architect, IBM WebSphere Application Server, IBM WebSphere Portal, IBM Rational Application Developer and IBM Rational Team Concert(IBM InfoSphere Information Server 8.5/8.1/8.0/7.5/7.0).

·  Experience in writing SQL queries and optimizing the queries in Sybase, Oracle and SQL Server 2000, 2008 r2, 2005.

·  Experienced in data integration, metadata management, ETL, data modeling tool sets.

·  Experience in Other Utilities/Tools/Scripts like Korn Shell Scripting, Perl 5.0, SQL Plus, SQL Loader, Export and Import utilities, TOAD 9.1 and Visio 10.0.

·  Installed, Configured OBIEE 11g and Migrated OBIEE 10G to 11G.

 

 

PROFESSIONAL EXPERIENCE:

ETL Developer

Responsibilities:

·  Working as a ETL Developer to understand repository objects that support the business requirement and process.  

·  Working on the Open Source ETL tool Talend Open Studio for Data Integration is used to Extract, Transform and Load data from the MLS data bases to the client data base.

·  Implemented a MDM process to take strategy to roadmap and design development activities. Delivered MDM roadmap & MDM Architecture.

·  Advanced techniques in MS SQL Server, Vertica, OLAP Cubes, Tableau and PivotTable are utilized in daily work.  

·  Advanced use of Microsoft SSAS and SSIS in multi-platform BI environment (Microsoft / Oracle).  

·  Working on the TSQL and MDX queries using DMV's for Capital One.

·  Working on the Requirements Analysis, Design and Implementing and Maintenance along with methodologies like Object Oriented Analysis and Design (OOAD). 

·  Working on Talend components like tReplace, tmap and tFilterColumn for Capital One.

·  Designed MicroStrategy Schema objects and Application objects by creating Facts, Attributes, Hierarchies, Reports, Filters, Metrics and Templates using MicroStrategy Desktop and Architect.

·  Worked on Master Data Management (MDM) for maintaining the customer information and also for the ETL rules to be applied. 

·  Tableau dashboard optimization following reporting best practices (Tableau Data Extract, Materialized View etc.).  

·  The execution was mainly based on the custom UI, configured against the core MDM Hub.

·  Informatica MDM Hub 9.0 is used as the core MDM Hub.

·  Used Teradata Manager& Administrator to Monitor and Manage Teradata Databases.

·  Responsible for Installing, Mastering data with InfoSphere MDM Server.

·  Contributed in troubleshooting & support of IBM Infosphere 10.1/11 by applying fixes from IBM fix central.  

·  Created reports from complex SQL queries and MDX queries in agile methodology

·  Designs and develops the logical and physical data models to support the Data Marts and the Data Warehouse.

·  Coordinated all the Product upgrade activities from WCC7 to MDM10 and software upgrades (WAS, MQ, AIX, MDM, DB)

·  Analyzed and performed data integration Talend open integration suite.

·  Develop migration plans to move Microsoft Exchange accounts to our MDM enterprise server.

·  Upgraded the MicroStrategy Platform from 8.1 to 9.0

·  Used Object Manager to promote objects from Microstrategy development to QA & production environment. 

·  Senior level SQL query skills (Oracle and TSQL) in analyzing and validating SSIS ETL database data ware house processes.

·  Experienced in full life cycle MDM development including data analysis, database design, data mapping and data load in batch.

 

KeyCorp,Clevland,OH                                    Oct 2013-June 2014

ETL Developer

Responsibilities:

·  Define downstream targets for MDM with design for attributes and sync methodologies.

·  Worked on agile software methodology that resulted in enhanced productivity and produced high quality software.  

·  Created calculations of queries with MDX in SSAS, developing reports using MDX and T-SQL.

·  Worked on the design,development and testing of Talend mappings.

·  Logical and Physical data model design.

·  Golden master definition for Single View of Customer.

·  Provide integration support to DataStage teams for downstream integration.

·  IBM Initiate broker configuration for data sync with sources and message processing based on source priority. 

·  Worked on the high-level design using design patterns and Object Oriented programming and OOAD concepts.

·  Worked on building BRD for Siebel 8 for the project.

·  POC for integration to IBM BPM server for workflow integration into MDM using v10.1 software. 

·  Created ETL job infrastructure using Talend Open Studio

·  Writing a basic java client for Web services integration with BPM.

·  Configuring MDM for Product domain attributes.

·  Initiate install and Configuration, Source Definitions, Match Algorithm Design, Weight generation, Threshold Analysis, Task Planning and Bulk Match Job Designs. 

·  Working on the upgrading & deploying Siebel 8 using LDAP authentications

·  Custom Code Design for integration to downstream ODS and Data Warehouse for BI needs. 

·  Worked on to plug the Talend jobs into the ETL framework.

·  Create reports using Report Builder 3.0 (SSRS) and MDX scripts

·  Configure Spring Batch framework for moving legacy data to new platform

·  Recommendation of MDM Best Practices in overall strategy.

·  New Composite Services Design for lookup and update services in MDM Server and troubleshooting MDM response. 

ETL Developer

 

Responsibilities:

·  Conducted design review of data models, cube designs & ETL architecture.

·  Led DW/BI best practices sessions and suggested design changes to processing/querying bottlenecks.  

·  Create reports using Report Builder 3.0 (SSRS) and MDX scripts

·  Worked on ETL exceptions handling, compliance tracking and data reconciliation.

·  Architected MDM solution for customer information across various source systems

·  Delivered MDM stewardship and data governance program.

·  Collected and studied the Metadata about the master data for MDM and the transactional data. 

·  Worked on Talend to load Data from various sources like to Oracle DB

·  Involved in Requirement Analysis and Use Case development using rational tools, OOAD and RUP.

·  Created ETL test data and tested all ETL mapping rules to the functionality of the Informatica mapping and Ab Initio graphs.  

·  Install, configure, upgrade, maintain and monitor Oracle Applications (10.7/11/11.5.7/11.5.10.2), Oracle databases (9i/10g) and Oracle Application Servers (9iAS/10g) in a UNIX environment.

·  Create Conceptual and Physical Data Models for the source system using Erwin 7.3.

·  Tailored product for each client providing customisations in data warehouse, ETL mappings, OBIEE Answers, Dashboards & BI Publisher.

·  Implemented and delivered the MDMS Software (Meter Data Management Systems) to electric utilities.

·  Troubleshoot SSIS packages, SSAS cubes and SSRS reports issues.

·  Maintained MDM hierarchies and structures for Corporate and various business segments. 

·  Wrote custom MDX statements and functions to accommodate for unusual situations in OLAP reporting

·  Proposed data mart architectural design to Data Modeler using ErWin as data modeling tool.

·  Update MDM elements to report and maintains metrics appropriate for tracking performance.

·  Lead multiple project teams of technical professionals through all phases of the SDLC using technologies including Oracle, Erwin, Data Stage, Data Warehousing, WebSphere and Cognos. 

·  In utilizing Business Intelligence tools for the design and deployment of Data Marts supporting Enterprise Data Warehouses.

·  Performed tuning and optimization of complex SQL queries using Teradata Explain.

·  Performed bulk data load from multiple data sources and Flat files to Teradata RDBMS using BTEQ, Multiload, FastLoad and UNIX shell scripting.

·  Worked closely with Testing team and helped in testing the Informatica mappings, workflows, AbInitio Graphs and Teradata scripts

·  Participated in Proof-of-Concept using IBM Info Sphere as a tool to move data between DB2 subsystems and between non-homogeneous RDBMS (DB2, Oracle and SQL Server).

·  Providing Data Quality support in the process of migration of the fact and dimension tables from Oracle to Netezza platform.

 

ETL Developer

 

Responsibilities:

·  Performed logical/physical data modeling, data distribution, Forward/Reverse Engineering of Data Models using AllFusion ERwin 3.x/4.x Data Modeler.

·  Review and analyze data mapping document to determine ETL program design.

·  Designed new database tables to meet business information needs. Designed Mapping document, which is a guideline to ETL Coding.

·  Managed product releases of MDM PIM by planning and coordinating the activities across multiple groups in the engineering organization.

·  Designed Physical Data Model using Erwin 4.1 for Projection and Actual database Worked with object modelers, worked with Business Analysts.

·  Represented the development organization in the Offering Team of multiple MDM product releases.

·  Using OOAD Technology, classes were designed in UML with the help of Rational Rose tool.

·  Worked on Installed and configured multiple environments for Siebel 7.7.2 implementation.

·  Involved in defining the source to target ETL data mappings, business rules and data definitions.

·  Proposed and implemented several enhancements and design improvements within Siebel 7

·  Followed solely RUP methodologies during the course of the project.

·  Conducted JAD sessions with management, SME, vendors, users and other stakeholders for open and pending issues.

·  Coded the Korn Shell Sripts for pushing and pulling data to and from the Server, Merging the files and placing it in the server etc.

·  Using UNIX console commands to check database has been connected the other functionalities.

·  Data mapping, logical data modeling, created class diagrams and ER diagrams and used SQL queries to filter data within the Oracle database

·  Helped with Data Mapping between the data mart and the Source Systems.

·  Created Use Case Diagrams, Activity Diagrams, Sequence Diagrams and ER Diagrams in MS Project.

·  Worked on Siebel 7 - OBIEE ETL process/ Report enhancements and data mapping.

 

JP Morgan Chase/Tata Consultancy Services (TCS) Aug 2005 to June 2008

ETL Developer

 

Responsibilities:

·   Interacted with Business Users to conduct thorough Requirements Analysis.

·   Created and scheduled Sessions based on demand, run on time and run only once using Informatica Server Manager. 

·   Responsible for Unit Testing of Mappings and Work flows.

·   Responsible for implementing Incremental Loading mappings using Mapping Variables and Parameter Files.

·   Data modelling was performed using ERWIN tool to build logical and physical models.

·   Designed and implemented the HR Business Intelligence data warehouse and ETL (extract transform load) utilising Oracle Business Intelligence Enterprise Edition (OBIEE) and PL/SQL.

·   Performed backed testing using SQL queries and analyzed the server performance on UNIX.

·   Assured that all Artifacts are in compliance with corporate SDLC Policies and guidelines.

·   Developed the ETL Informatica Mappings for importing data from ODS into subsequent data marts.

·   Involved in Managing Data modelling project from Logical design and implementation of Sybase Database

·   Involved in generation and execution of SQL queries.