Data Warehouse Resume Profile
Professional Summary:
- Extensive experience in SQL Server 2008/2005/2000, Transact SQL T-SQL , SQL Server Integration Services SSIS , SQL Server Reporting Services SSRS , SQL Server Analysis Services SSAS , Data Transformation Services DTS packages.
- 8 years of experience in Designing, Developing and Implementing database applications and solutions using best of breed technologies, Quality Assurance and Testing of Stand Alone, Client Server, Web Based applications, Data Warehousing, BI and ETL Testing.
- Expertise in Business Requirement gathering through JAD sessions, interviews, workshops and walkthroughs, and main concentration in Business Process Flow and Business modeling tools as a Business analyst
- In depth technical knowledge and understanding of Data Warehousing, Data Validations, OLAP, SQL Server, Oracle and ETL.
- Experience in Logical and Physical Database design development, Normalization and Data modeling using Erwin.
- Worked on data conversion from Informatics to SQL Server 2008 using SSIS.
- Well versed with various types Software Development methodologies- Water fall, Agile, RUP, Iterative and extreme Programming.
- Experience in Software QA and Testing Methodologies, verification and validations in all phases of the SDLC.
- Expert in review and analyze requirements, use cases, technical specifications and database designs.
- Expert in Develop Test Plans, Test Designs, Specifications, Test Cases and Scenarios.
- Experienced in DW projects ETL testing against DW testing with Informatica, Ab Initio and Datastage tools.
- Experienced in documenting defects, generate defect and test progress graphs with overall test summary.
- Knowledge of and ability to apply a wide range of software test engineering concepts: testing principles Testing Methodology and concepts, building a test environment, tracking defects n Quality Center
- Hands on experience in Querying Data, Formatting Result Sets, Modifying Data and Worked on Transactions.
- Created and designed various database objects and elements like tables, joins, views, stored procedures, User defined Functions, triggers, indexes and partitions.
- Extensive experience in creating Clustered, Non-Clustered, Covered indexes and indexed views.
- Knowledge in creating Partitions, Partition function, Partition Scheme, Partitioning tables and indexes, Querying and managing Partitions.
- Ability to manage multiple project in testing by managing team, automate process and delivered all task.
- Ability to develop complicated SQL script for Data validation testing by running SQL script, procedures.
- Extensively involved in SIT and UAT by supporting Testing and implement QA Process.
- Extensively Used Quality Center, PVCS Tracker, Rational Clear Quest for Test Case and defect tracking management.
- Experience in Data modeling Dimensional Relational like Star-Schema Modeling, Snowflake Modeling, fact and dimension tables.
- Experience in scheduling the Informatica, Ab Initio, Datastage jobs using Appworx, Ctrl-M Autosys.
- Extensive experience in writing SQL to validate the database systems and for backend database testing
- Expert in working with various cross geo teams across the world with various time zones.
- Excellent interpersonal and communication skills with good learning curve in short span of time.
- Ability to work in a Team or individually and very flexible to work in complex environment with tight schedules
Technical Skills:
- Operating Systems Windows XP/ 2000 Professional /98/NT, Unix, MVS
- Languages: PL/SQL, Shell Scripting, SQL
- Database: ORACLE, SQL Server, Teradata, Sybase, DB2 and MS Access, OLTP,
- OLAP
- Testing Tools: PVCS, Rational Clear Quest, Test Director, Quality Center 8.0/9.0/10
- Test Automation Quick Test Professional, Load Runner
- ETL Tools Informatica, Datastage, SSIS, Ab Initio
- BI Tools Business Objects XIR3, Cognos Series 8.0, Crystal Reports
Professional Experience:
Confidential
SQL Server SSIS/SSRS Developer And ETL QA
A Citizens is a not-for-profit, tax-exempt government corporation - strives to provide its policyholders with affordable property and casualty insurance protection and superior customer service. Information given by the customer in the form of quotes, claims and policies is processed on a daily basis with the help of several SQL server agent jobs which are scheduled to run SSIS packages. Data from various sources such as EPAS, POINT, WIND, CTS, CAIS, XACT and IMS is initially loaded into the operational data store ODS using Guidewire Application. Data present in the source systems is categorized into new, updated or unchanged data this was performed by an incremental load before loading into the ODS. Data present in the ODS is extracted and is subjected to a group of transformations where-ever necessary and is put into the Staging area STG . Data from Staging area is finally dumped into the reporting database RPT where it is used for reporting purposes by the end user. The data was uploaded in to the Data marts from various source databases using SQL Server 2008 R2 as ETL tool.
Responsibilities:
- Determined testing requirements developed and reviewed scripts for positive and negative test scenarios, conducted baseline testing, and generated reports. Tested server and Web Portal.
- Worked as
- Performed end-to-end test from Guidewire to Reporting Database.
- Involved in all three centers Claims Center, Policy Center and Billing Center Integration and their Replication data load in Guidewire.
- Extensively executed SQL queries in order to view successful transactions of data.
- Worked as ETL Tester responsible for the requirements / ETL Analysis, ETL Testing.
- Reviewed High Level and Lows level Design docs and clarified design solutions with Developers
- Design and implementation of Integration and System Test Specifications.
- Developed and created logical and physical database architecture using ERWIN.
- Designed, coded and tested several T-SQL Queries using Joins, Indexes, Stored Procedures, User Defined Functions and Views.
- SQL Performance tuning by modifying SQL or adding/changing indexes.
- Created and developed DML Triggers for auditing purposes.
- Loaded Historical data from Legacy System into SQL Server 2008.
- Experience in Error and Event Handling using Precedence Constraints, Break Points, Check Points, and Logging using SSIS 2008.
- Designed and developed SSIS Packages for loading data to star schema.
- Developed custom ad-hoc reports by using SQL Server Reporting Services SSRS .
- Created various reports using SSRS such as Drill down Reports, Parameterized Reports, Linked Reports and Sub Reports apart from generating Ad-hoc Reports.
- Performed data validation testing of production defect using SQL and resolving and testing back end process.
- Participating actively in system, performance, regression and UAT testing for every new build released.
- Demonstrated an organized, systematic, disciplined and analytical approach to problem solving.
- Hands-on experienced with defect tracking tools like HP ALM.
- Extensively involved in UAT by supporting Testing and implement QA Process using Cognos Series 8.0.
- Proficiently worked in designing, reviewing and documenting system test plans, defining test Procedures and creating test cases on the basis of product releases features, client's requirements and related technical documents
- Demonstrated sufficient oral and written communication skills for effective dialogue with Colleagues on a project team and superiors.
- Presented Daily Analysis Report to highlight bugs, issues and risks involved.
Software Environment: SQL Server 2008 Enterprise, Windows Enterprise Server 2003, IIS 7.0, Visual studio 2008, Performance point, .NET Framework, C , ASP.NET
Confidential
Sr. ETL/DWH/ QA Tester
Confidenital is one of the largest life insurance companies in the U.S. The main objective of the project was designing, developing and testing of the customer's data warehouse. The data was uploaded in to the Data marts from various source databases using Informatica 7.1.3 Power Center as ETL tool. SQL server 2005 was used as the target database.
Responsibilities:
- Reviewed and analyzed Business Requirements and clarified with Business Analyst.
- Written several UNIX scripts for invoking data reconciliation.
- Extensively used ETL methodology for supporting data extraction, transformations and loading processing, in a corporate-wide-ETL Solution using Informatica.
- Reviewed High Level and Lows level Design docs and clarified design solutions with Developers
- Worked as ETL Tester responsible for the requirements / ETL Analysis, ETL Testing.
- Developed the ETL and BI testing strategy
- Extensively executed SQL queries in order to view successful transactions of data
- TOAD is used to perform manual test in regular basis.
- UNIX and Oracle are using in this project to write Shell Scripts and SQL queries.
- Wrote SQL queries to validate source data versus data in the data warehouse
- Developed Test Strategy, Test plan, Test cases, and Test scripts and various other project documentation in Mercury Quality Center
- Familiar with CMMI, the Rational Unified Process RUP methodology within the Software Development Life Cycle SDLC along with Agile and Scrum.
- Promoted Unix/Informatica application releases from development to QA and to UAT environments
- Experienced in writing complex SQL queries for extracting data from multiple tables.
- Used TOAD Software for Querying ORACLE. And Used Teradata SQL Assistant for Querying Teradata
- Responsible for different Data mapping activities from Source systems to Teradata
- Involved in all walk throws for test designs, data designs and code reviews.
- Developed Test Plan, Test cases Test Scenarios for new features.
- Used QTP for Checkpoints, Regular Expression and Accessed Data Tables for multiple applications.
- Updated existing Regression Test cases for impacted features due to new features.
- Tested the Application in UNIX Environment and collecting the Test data from the Business Team
- Identified the Test Environment for Database Testing.
- Prepared Test status reports for each stage and logged any unresolved issues into Issues log.
- Used T-SQL for Querying the SQL Server database for data validation.
- Writing the test scripts for manual testing.
- Involved in writing test scripts and functions in Test Script Language using QTP for automated testing.
- Loading the Data from the tables into the OLAP application and further aggregate to higher levels for analysis
Quality Center
- Updates and test cases loading and writing Test Plan and executing Test Cases and printing status report for the team meetings
- Testing that includes unit, integrated, regression, and UAT a new .NET application which uses Microsoft Visual Studio under the Scrum Agile Methodology.
- Reviewing the database Test cases and performs the Database Testing when writing the SQL queries.
- Executed the Stored procedure when passing the valid/Invalid Parameters.
- Involved in Data migration and Data distribution testing.
- Extensively used Informatica power center for extraction, transformation and loading process.
- Tested reports developed by Business Objects Universe for both Adhoc Canned Reporting users of Business Objects XI R3
- Used the Agile methodology to build the different phases of Software development life cycle. SDLC
- Testing of Business Objects and Reports which Includes, Database Connectivity, Tested objects in the Universe to ensure the correct mapping of the objects.
- Tested the Universe Structure to ensure that tables are properly uploaded., Tested the aggregate Universe to ensure the query is pulling correct level of Aggregation
- Tested several reports developed using Business Objects.
- Scheduled the ETL jobs and ran jobs using Auto sys and automated the reports
- Analyze the results and log the defects in bug tracking tool
- Communicate with Db Developers and DBA
Environment: Mercury Quality Center 10.0, QTP 10.0,PVCS, SQL, PL/SQL, Informatica 8.6.1/8.1, EME, Oracle 10g, Teradata V2R6, Business Objects XIR3, TOAD, XML, XSD, PERL 5.12.1, XML Spy, Flat Files, Excel, Ms PowerPoint, Autosys , UNIX, IBM AIX 6.1, Shell Scripting
Confidential
ETL/QA Tester
Confidenital one of the largest insurance companies in the United States, can manage their property and vehicle policies through the company's consumer. To also provide customers with access to their life and annuity insurance policies, Allstate took advantage of an existing Web portal accessallstate.com that enabled financial representatives to manage those policies and enhanced the version by enabling the customers to access policies managed through the existing portal while remaining familiar with the user interface. Allstate built the new feature and saved millions by extending an application instead of duplicating it, and created the foundation for a service-oriented architecture that will accelerate future integration projects.
Responsibilities:
- Interacting with Business Analysts and Development teams to understand the business requirements and giving the estimates from testing prospectus
- Test plan preparation, preparing daily status reports and defect reports.
- Involved in prioritizing the requirements according to business needs and putting all the requirements in QC.
- Experienced in Property Casualty Billing
- Extensively used Informatica power center for extraction, transformation and loading process.
- Extracted Data from Teradata using Informatica Power Center ETL and DTS Packages to the target
- Involved in writing and executing the test cases and involved in Defect reporting and verification.
- Involved in identifying the cause of Defect and reporting the same to developers.
- Diversified experiences in property and casualty insurance, brokerage, major city agency and not for profit organization.
- Validating the data between Oracle Tables and SQL Server Tables by using SQL Statements.
- Testing the data present in fact tables and dimensions tables.
- Wrote Use Cases, prepared use case diagrams using Rational Rose UML and followed Agile at every stage of the processes
- Automated detailed test cases by using Quick Test Pro
- Reported bugs and tracked defects using Mercury Quality Center Test Director
- Involved in Data Validation, Data Conversion and Data Reconciliation Testing.
- Involved in HUT Hard unit testing , SIT System Integration Testing and WIL Week in Live Testing Testing.
- Tested all the entities like customer records, payment records have been loaded target database according to its own table structure during the migration process.
- Tested database integrity referential integrity and constrains during the database migration testing process
- Attending defect triage meetings.
- Analyzed and created the bug tracking reporting and summary report in the Quality Center
- Testing that includes integrated and regression an application which uses Microsoft Visual Studio under the Scrum Agile Methodology.
- Leading provider of auto, property, and casualty insurance. Assignment involved Web-based online submission of insurance claims.
- Wrote PL/SQL /Complex SQL queries for system testing.
- Performed data quality test to determine whether processed data is correctly extracted, transformed and loaded.
- provides policy administration and technical services to commercial property/casualty insurers of all sizes
- Executed regression tests at each new build in QTP
- Tested data warehouse ETL process using SSIS Integration Service .
- Extensively executed SQL queries in order to view successful transactions of data and for validating data.
- Extensively used Informatica tool to extract, transform and load the data from Oracle to DB2.
- Automated and scheduled the Informatica jobs using UNIX Shell Scripting.
- Written complex SQL queries for validating the data against different kinds of reports generated by Business Objects XIR2
- Tested the Business Objects Universe and validated Business Objects Reports using backend testing
- Responsible for reporting and escalating data issues arising from project or daily support.
- Involved in Defect prevention, productivity improvement and knowledge management activities
- Wrote complex SQL syntax using case, having, connect by etc
Environment: Oracle 10g, SQL, PL/SQL, Informatica 8.1, SSIS,SQL Server 2008/2005, SQL Navigator 5.0, Business Objects XIR2, Mercury Quality Center 9.2, QTP 9.2, DB2 8.x, IBM AIX 5.5, MVS, ISPF, VSAM Files, Flat Files, XML Files, Shell Scripting, PERL, XML, XSD, TOAD, WinSQL
Confidential
Data warehouse/QA Tester
Confidential is a leading provider of property and casualty insurance. As a customer-centric company, Amica was migrating many of its business applications to the Internet to give its customers the best possible service and convenience of use. The focus of the project was to upgrade the existing website to E-Service that provided a wide range of features for current policyholders and new customers.
Responsibilities:
- Interacting with Business Analysts and Development teams to understand the business requirements and giving the estimates from testing prospective.
- Excellent knowledge on Agile Methodology.
- Test plan preparation, preparing daily status reports and defect reports.
- Transformed the EDI Data into the format understandable to Back End Systems.
- Involved in prioritizing the requirements according to business needs and putting all the requirements in QC.
- Validated the ETL Scripts in the Target Database Oracle for creating the cube before migrating it to SQL Server.
- Responsible for responding to telephone calls from clients, agents, and third parties providing routine customer service on all lines of property/casualty business.
- Inserted Synchronization points in the script using QTP
- Involved in developing test cases to test Teradata scripts Bteq, multiload, fastload .Updated the status of the testing to the QA team, and accomplished tasked for the assigned work to the Project Management team regularly
- Maintained valid license to sell Life, Health, Property Casualty insurance with over 375 hours of continuing education in related fields
- Extracted data from Oracle and upload to Teradata tables using Teradata utilities FASTLOAD. Extensively written Teradata SQL Queries, creating Tables and Views by following Teradata Best Practices.
- Reported software mismatches from the test planning , to the development team using Mercury Quality Center
- Performed data analysis and data profiling using SQL and Informatica on various sources systems including Oracle and Teradata.
- Provided consultation to P C Insurance Companies on regulatory/compliance issues
- Designed Connection Models for receiving EDI Documents and Validating for known source.
- Involved in writing and executing the test cases.
- Involved in Defect reporting and verification.
- Involved in the maintenance of Claims Systems - Property Casualty using PowerBuilder and SQL Server
- Defects found tracked and managed in Quality Center and disposition in defect scrub meetings
- Involved in identifying the cause of Defect and reporting the same to developers.
- Involved in Data Validation, Data Conversion and Data Reconciliation Testing.
- Involved in testing the Business Objects reports by writing complex SQL queries
- Tested Canned/Ad-hoc reports using Business Objects Reporter functionalities like Cross Tab, Master Detail and Formulas, Slice and Dice, Drill Down, variables, filters, conditions, breaks, sorting, Functions, Alerts, Cascading Prompts and User Defined Objects.
- Involved in Defect prevention, productivity improvement and knowledge management activities
- Documenting test procedures, test plans, test cases and test results.
- Wrote complex SQL syntax using case, having, Group by etc
Environment: Informatica 7.2, EME, SQL Navigator 5.0, Teradata V5R12, SQL Assistance, Business Objects 6.5, Mercury Quality Center 9.0, QTP 9.0 Oracle 10g, UNIX, XML, XSD, XML Spy
