Sravanthi D

sravanthi.dps@gmail.com

 

 

SUMMARY:

·         Over seven years of experience in modeling and analysis of both analytical and transactional systems.

·         Extensive experience in Software Development Lifecycle (SDLC), gathering requirements, change management, analysis, reporting, project coordination and conflict resolution.

·         Experience in handling business and technical issues & communicating with both business users and technical users.

·         Experience working in conventional and agile project development environments.

·         Experience conducting JAD sessions with business users to gather functional and system requirements.

·         Facilitated JAD / white board sessions to resolve revolving issues and understand data requirements.

·         Expertise in UML (class diagrams, object diagrams, use case diagrams, state diagrams, sequence diagrams, activity diagrams, and collaboration diagrams) as a business analysis methodology for application functionality designs using MS-Visio.

·         Experience developing conceptual, logical and physical data models as per enterprise standards.

·         Experience designing data models using star and snowflake schema modeling.

·         Strong understanding of dimensional and relational modeling techniques. well versed in Normalization / Denormalization techniques for optimum performance in relational and dimensional database environments.

·         Experience with data modeling and design of both OLTP and OLAP systems

·         Experience working with modeling tools such as Erwin, Power Designer, E-R Studio and Visio.

·         Experience with Data Analysis, mapping source and target systems for data migration efforts and resolving issues relating to data migration.

·         Familiar with Master Data Management (MDM).

·         Experience documenting business cases and managed report development from design to release.

·         Extensive experience developing source to target mapping documents.

·         Experience developing data transformation and cleansing rules for migration using ETL tools.

·         Proficient in developing complex SQL queries and stored procedures for reporting needs

·         Experience building reports using Crystal Reports, Business Objects and Cognos

·         Extensive experience in development of T-SQL, DTS, OLAP, Stored Procedures, Triggers,  Functions, Packages, performance tuning and optimization for business logic implementation.

·         Familiar with Database tuning and query optimization in transactional and data warehouse environments

·         Data Quality Analyst with strong understanding of Data Governance principles

·         Excellent analytical, and inter-personal skills with ability to interact with individuals at all levels

 

Data Analyst

Client: inventive                                                                                                                      Sep 2011– Till Date

 

Data Analyst:

 

·         Gather Requirements from client and provide estimates and timeline. 

·         Develop and maintain documentation on processes. 

·         Supports project management initiatives, including identifying and analyzing preliminary business needs, budget considerations, and time and resource estimates 

·         Prepares charts, tables and diagrams to assist in analyzing problems, utilizing various business analysis techniques and tools 

·         Provide subject matter expertise to peers and partners. 

·         Participant in process improvement initiatives 

·         Work directly with Program/Project managers to understand scope and timeline. Prepares estimates and may conduct resource planning 

·         Work with the development and testing teams to validate project requirements 

·         Proactively communicate project status, issues and concerns to project managers and direct management. 

·         Involved in creation of weekly and monthly sales data process to feed reporting tables for the Analysis and Reporting group using SQL Server. 

·         Setup Markets and Products Salesforce.com (Veeva) system. 

·         Load Market Sales and Payer Data (script data) into Analytics (VInsights) on Salesforce.com 

·         QC internal and external data extracts using T-SQL 

·         Maintain contact with client on data inquiries and/or issues; Help facilitate problem solving of such. 

·         Assist in ETL process of pushing/pulling data from/to the Sales Force Automation and backend data repository using Apex Loader and Jitterbit. Backend repository is SQL Server. 

·         Performed initial data loads to new projects. 

 

Environment: Oracle Apex 4.0, JIRA v6, Oracle, SQL7.0, SQL 2005, SQL 2008, MySQL, PL/SQL, DataFlux 7.1 & 8.2, Quest SQL Navigator, TOAD for Oracle10.1, MS Office (Excel, Access, Word, PowerPoint, Visio, Outlook), Technical Writing, Designing Test Strategy and test plans, Sales Force Automation, Apex Loader, Jitterbit. 

Data Analyst Consultant                                                                                 

Client: NorthWestern Mutual, WI                                                        Aug 2010 –Aug 2011

Data modeler/Data Analyst

·         Responsible for complete life cycle implementation that comprised Business Requirement gathering and translation into detailed, production-level technical specifications, and enhancements to existing technical business functionality.

·         Identified the business function activities and processes, data attribute and table metadata, and documented detailed design specifications.

·         Developed an analysis model having Use Case Diagrams/Narratives and Activity Diagrams using UML modeling techniques to provide the development team, the resources needed for various phases of development.(rational rose)

·         Organized JAD sessions with management, subject matter experts (SME) and business analyst to develop new specifications and resolve pending issues.

·         Performed Reverse Engineering using DDL scripts in Erwin, and developed Logical and Physical data models.

·         Responsible for designing Conceptual, Logical and Physical data models, Star and Snowflake schema design, ETL process, implementation and support.

·         Prepared technical specifications to develop Informatica ETL mappings to load data into various tables confirming to the business rules.

·         Worked with different sources such as relational databases, flat files for extraction using Source Qualifier and joiner.

·         Defined the data sources, data loads and data transformation using ER Diagrams and developed an overall logical information model for the architecture.

·         Performed data management projects and fulfilling ad-hoc requests according to user specifications by utilizing data management software programs and tools like Toad, MS Access, Excel and SQL.

·         Involved in Troubleshooting, resolving and escalating data related issues and validating data to improve data quality.

·         Responsible for the design of procedures to get the data from various Business Units to Data Warehousing system.

·         Used forward engineering for creating databases for OLAP Metadata Catalog tables.

·         Extracted data from various sources like Oracle, flat files and Tera data.

 

Environment:

         Teradata, Oracle 10g, XML, Excel, Access, Toad, Informatica 8.1, Erwin 7.2, Business objects , Windows ,Unix, Visio.

 

 

 

 

 

 

Data Modeler/Data Warehouse Analyst

Client: Walgreens, Chicago, IL                                                                                 Jun 2009- July2010

Responsibilities

·         Revisited the business rules and redefined many attributes and relationships in the model and cleansed unwanted tables and columns as part of Data Analysis tasks.

·         Responsible for data mapping, metadata maintenance and enhancing existing Conceptual and Physical data models.

·         Conducted sessions with architects, business and development teams to understand the Change Requests (CR’s), and effects caused on the system by the change requests.

·         Maintained and updated Metadata repository based on the change requests

·         Analyzed existing Conceptual and Physical data models and altered them using Sybase Power Designer to support enhancements.

·         Conducted walkthroughs with the DBA to convey the changes made to the data models.

·         Utilized Rational Clear Quest to track changes requests throughout the process.

·         Implemented SQL Scripts to modify data to resolve the assigned defects..

·         Involved in conducting walkthroughs with business and development teams to validate end-to-end data mapping across various systems.

·         Analyzed and synthesized the requirements gathered from multiple sources and documented the business process flow for the system.

·         Designed the high level conceptual data model and worked with the Business analysts and technical teams to design and update the logical data model in various iterations. Involved in the entire System study, Analysis and Design.

·         Created Entity relationships diagrams, Function relationship diagrams, data flow diagrams and enforced all referential integrity constraints using Oracle Designer.

·         Developed the data warehouse model (star schema) for the proposed central model.

·         Worked with the ETL team to document the transformation rules for data migration from OLTP to Warehouse environment for reporting purposes.

·         Developed source to target mapping documents to support ETL design.

·         Created tables, views, sequences, indexes, triggers, tablespaces, constraints, stored procedures, functions and generated sql scripts for physical implementation.

·         Determined data rules and conducted Logical and Physical design reviews with business analysts, developers and DBAs.

·         Reverse Engineered DB2 , SQL Server 2005 databases and then forward engineered them to Oracle using Erwin.

·         Redefined many attributes and relationships in the reverse engineered model and cleansed unwanted table/columns as part of data analysis responsibility..

·         Designed Informatica mappings, enabling the extract, transport and loading of the data into target tables.

·         Resolved the data type inconsistencies between the source systems and the target system using the Mapping Documents.

·         Designed the data sourcing, data staging and ETL process. Mapped the data between the source and targets.

·         Exposure to Master Data Management concepts and importance.

 

Environment: Oracle 10g, DB2 9.7,  SQL Server 2005, Informatica 8.1, Erwin 7.2, Cognos , TOAD, PL/SQL, Windows 2003,  MS Excel, MS Word and MS Access

 

Data Analyst Consultant

Client: Standard Insurance Company, Portland, OR                                          Jan 2009- May 2009

 

·         Working closed with business analyst in gathering reporting requirements

·         Conducted JAD sessions and performed data analysis for documented data quality standards

·         Documented Technical & Business User Requirements during requirements gathering sessions using Rational Requisite Pro

·         Involved in modeling business processes through UML diagrams using Rational Rose.

·         Experience using test director, conducting walkthroughs of data cleansing rules, and test case validations working with the QA team

·         Created data flow diagrams from requirements documents using Rational Rose

·         Conducted logical data model walkthroughs and peer review sessions for validation

·         Facilitated transition of logical data models into the physical database design and recommended approaches for good data management practices

·         Created star schema data model using Power Designer for the target RDBMS implementation

·         Worked with DBA group to create Best-Fit physical model from the Logical Data Model

·         Created DDL scripts for static dimensions and ETL Mappings using DataStage

·         Developed Data Migration and Cleansing rules for the Integration Architecture (OLTP, ODS, DW), considering data linkage and data transformation rules

·         Responsible for tracking change management using IBM ClearQuest

·         Developed data mapping documents between Legacy, Production, and User Interface Systems

·         Developed reports using Crystal Reports 9 to meet business requirements, and migrated and deployed them in QA and production

 

Environment: SQL Server 2005, Sybase 12, IBM Optim, T-SQL, Sybase Power Designer, Rational RequisitePro, DataStage 8, XML, Microsoft Access, Informatica 6.2, Crystal Reports 9, rational Rose

 

Data Modeler/Data Warehouse Analyst

Client: Ameriprise Financial, Minneapolis, MN                                                     Aug 2007-  Dec 2008

 

·         Identified objects and relationships and derived the Physical Design using Forward Engineering in Erwin

·         Developed an analysis model having Use Case Diagrams/Narratives and Activity Diagrams using UML modeling techniques to provide the development team, the resources needed for various phases of development. Diagrams created using Rational Rose

·         Organized JAD sessions with management, subject matter experts(SME) to develop new specifications and resolve pending issues

·         Aided in developing Data Migration and Cleansing rules Integration architecture(OLTP)

·         Developed the Conceptual, Logical models and the Physical database design for GAPs’ OLAP and OLTP system construction

·         Responsible for creating the logical data model(tables and columns) from business requirements.

·         Conducted walkthrough sessions of the  logical data model for validation and enhancement of the system

·         Supported the team with data load, development and maintenance of the ETL process to extract data from various technology formats and proceed by transferring it to appropriate delivery points.

·         Comprehended the existing data model and recognized design for improved performance of the system and documented it

·         Worked on data quality control by documenting flow of data in systems analyzing  transformation , capacities and timing  aspects ,for better management and security

 

Environment: Oracle (10g), DB2, Erwin 7.2, Informatica, Rational Rose, Rational RequisitePro, DataStage 8, TOAD, PL/SQL, Windows 2003, MS Office

 

Knoah soft, Hyderabad, India                                                                        Nov 2005 -   Jul 2007                                                                Data Modeler//Business Analyst

Responsibilities:

·         Coordinated the requirement gathering phase, designed and implemented the star schema data warehouse using Erwin. Used reverse engineering to connect to the existing database and derive the ER-diagram.

·     Interpreted the requirements and the database architecture and translated the requirements to functional specification and built an application to summarize the employees workload.

·     Developed SQL, T-SQL queries, stored procedures and triggers as per the requirements of the project.

·     Used De-normalization technique in DSS to create summary tables for efficient JOIN operations between tables.

·     Analyzed and tuned the ETL process for optimal performance during data loading.

·     Migrated several models in Erwin 4.1/7.1 into ERWIN 7.2 and updated the naming standards

·     Involved in writing the PL/SQL validation scripts to identify the data inconsistencies in the sources.

·     Worked with Business Analysts to design weekly reports using Cognos

·     Supervised, Integrated, Resolved work of other team Members and issues that came with it.

·     Designed a Star Schema based Database model to accomplish building the central OLTP system.

·     Developed the central repository, populated the metadata and also maintained the proper working of the system.

·     Trained two team Members to use Erwin 7.1

·     Arranged brain storming sessions with project focus groups.

 

Environment: Oracle 9i, DB2, MS Access, Erwin 3.5/7.1,Web Trends 7.1,Windows NT, Oracle designer, Informatica Power Center/Power Mart/6.0,  MS Office, Toad, MS- Excel, Crystal Reports.

 

 

 

Global Trust Bank, Hyderabad, India                                                           Dec 2004 - Oct 2005

Involved in detailed study of existing manual system and designed the same for development. System includes reports for sales of various products by sales territory, sales person, and product demand and by customer sales.  The system also keeps track of various discount schemes, town price rebates, journey cycles, various units of measurement for each product and sales for the different customers and products.  Various modules for accounting were also provided.

 

Role: Oracle Developer

Responsibilities:

 

·         Involved in the entire System study, analysis and Design.

·         Created Entity relationship diagrams, Function relationship diagrams, data flow diagrams and enforced all referential integrity constraints using Oracle Designer.

·         Involved in the creation of schema objects like indexes, views, stored procedures and synonyms.

·         Involved in the analysis of how the purchase order process was organized.

 

·         Created SQL tables with referential integrity and developed queries using SQL, SQL*PLUS and PL/SQL.

·         Involved in writing Triggers which internally called procedures and functions.

·         Involved in testing the database for queries that were generated and handled the performance issues effectively.

·         Involved in documenting the entire technical process.

·         Supported technical teams involved with ORACLE issues and operations.

·         Involved in the maintenance of the database.

Environment: Oracle 8.0, Oracle Designer, Windows NT