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Sr. Etl Developer Resume Profile

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NY

Summary

  • 11 Years of IT Experience, which includes expertise in all phases of the software development lifecycle SDLC .
  • Background includes experience in the use of SQL Server 2000/2005/2008 R2/2012 T-SQL , Oracle PL/SQL , Business Intelligence Development Studio BIDS , DTS/SSIS, SSAS, SSRS, Informatica Power Center , DataFlux, COBOL, Microsoft office products
  • Exposure to various stages of Software Development Life cycle SDLC such as System Data Analysis, Data Modeling, client relationships/negotiations, gathering business requirements, project scheduling, development DEV , test UAT , build/release, and production support PROD environments.
  • Strong Experience in data modeling using ER-Studio
  • Experience in installation, upgrade and configuration of MS SQL Server 2000,2005 and 2008 R2
  • Experience in migrating Databases between MS SQL 2000 and 2005 and MS SQL 2008 R2.
  • Strong Experience in data warehousing concepts and writing and implementing T-SQL Queries DDL, DML, DCL, TCL , developing reports using SQL Reporting Services, Crystal Reports Business Objects, version control using MS Visual Source Safe VSS , Dimensions ,Clear Case and Team Foundation Server TFS .
  • Experience with Structured Query Language SQL , MDX and relational databases.
  • Expertise in quantitative and functional data analysis
  • Extensive experience in Extracting, Transforming and Loading ETL using Informatica, SSIS, DTS Import/Export
  • Used Data Analysis tools like Excel Spreadsheet, SQL objects, Business Intelligence Development Studio, DataFlux
  • Strong knowledge and experience in SSAS cubes
  • Expert Knowledge in Creation of workflows, mappings in Informatica
  • Expert knowledge in Using Microsoft Integration Services SSIS Control Flow tasks, Data Flow tasks, Transformations, Database administration tasks
  • Expertise in Monitoring and Troubleshooting and resolving the SQL Server Performance issues.
  • Experience in creating Users, Logins, Server Roles and assigning Permissions to connect to Database Engine.
  • Have good understanding of complex data sets and skilled at data analysis, data Validation, data cleansing etc.
  • Experience in design, deployment and management of SSRS reports
  • Experience in writing test cases, performing system and unit testing besides trouble shooting.
  • Performing Bug tracking, resolving issues, clearing defects and making enhancements as per any changes in the user requirements.
  • Good knowledge on the Software design patterns
  • Possess good communication, presentation and team playing skills.
  • Have excellent domain knowledge in telecom, banking domain, SPED Special Education process and mortgage industry.

Technical Skill set

Databases: SQL SERVER 2000/2005/2008 R2/2012, Oracle , DB2, MS-Access

Development/Analysis Tools: Visual Studio, SSAS, SSRS, SSIS/DTS, Informatica, DataFlux, ER-Studio,

InfoPath, Quick base, Microsoft Office, Visio, Toad, Iron Speed Designer

.NET Framework: ASP.NET, C , VB.NET, ADO.NET, AJAX, Web Services, LINQ

Web Technologies: IIS, XML, XSD, XSLT, Tomcat

Programming Languages: C, C , Visual Basic 6.0, JAVA

Scripting/Markup languages: JavaScript, VB Script, jQuery, JSP, HTML, DHTML

Source Control: Visual Source Safe VSS , CVS, Dimensions, Clear Case

Operating Systems: MS Windows 2003/XP/NT/2000/9x, MS DOS, UNIX

Project Experience

Confidential

Sr. ETL Developer

Responsibilities:

  • Data Sourcing, Data Mapping, Transforming and Importing the data is done through the ETL Informatica packages
  • Created Source to Target Mapping sheet
  • Worked with Data architect in the design of Dimensional database schemas and created conceptual, physical and logical data model using ER studio
  • Managed metadata through data dictionaries
  • Involved in Analyzing, compiling, verifying, extracting, converting, validating data for any data inconsistencies and errors
  • Created complex PL/SQL Database views, Stored Procedures and Functions
  • Redesigned and implemented a dimensional data model
  • Developed scrambling functions to mask PPI data
  • Created autosys JIL scripts and batch scripts
  • Developed ETL scripts to find files matching a pattern in an inbound folder and created audit log and error handling at task level
  • Created Functional and technical design documents together with design document and unit test plans and test scripts

Technologies: Oracle 11g, Informatica Power Center, Toad, Teradata, Visual Studio 2008, Visual Studio 2005, Autosys, Beyond Compare, Rational ClearCase, ClearQuest, Unix, Windows, Microsoft Visio

Confidential

Senior ETL Developer

Responsibilities:

  • Developed Informatica packages to load the FAA data into Survey DB
  • Created and managed schema objects such as tables, views, cursors, indexes, stored procedures, triggers and functions
  • Optimized the PL/SQL code for performance, Improved the performance of the table joins by implementing index scans where ever required
  • Analyzed the data to ensure validity, accuracy and quality
  • Worked extensively on installation and configuration of MS SQL Server 2008 R2 databases/ servers.
  • Administered the database server by creating user logins with appropriate roles, monitoring the user accounts, granting the privileges to users.
  • Developed the survey forms in InfoPath 2007
  • Migrated the survey forms from InfoPath 2007 to InfoPath 2010

Technologies: Oracle, Informatica Power Center, Visual Studio 2008, Business Intelligence development Studio, Infopath 2007, jQuery , Windows

Confidential

Senior ETL Developer

Responsibilities:

  • Extensively involved in fine tuning stored procedures and other database objects to improve performance
  • Involved in creation of ETL Informatica packages and automated to run as scheduled jobs and troubleshooting any failed jobs
  • Created Source Analyzer, Target, Mapping, Session, Workflow in Informatica
  • Enabling tracing and collecting trace data to identify the slow running stored procedures and queries
  • Ran the jobs that loads data from the external systems on demand
  • Created and maintained materialized views
  • Created additional forecast reports in Panorama

Technologies: Oracle, Informatica Power Center, Toad, Business Intelligence Development Studio, Visual Studio 2005, Iron Speed Designer, Windows

Confidential

ETL Developer/Data Analyst

Responsibilities:

  • Involved in Requirement Analysis, logging Issues and gathering Business Requirements and developed Functional Design and Technical Design documents
  • Involved in Data mapping, logical data modeling and preparing ERD diagrams
  • Created and managed SQL objects such as tables, views, cursors, indexes, stored procedures, triggers and functions
  • Wrote complex T-SQL PL/SQL Statements to ensure data consistency by filtering corrupt data and implemented various constraints and triggers to preserve data integrity
  • Migrating the Student Data Special Ed from old system SQL Server 2000 Excel Spreadsheets to new system SQL Server 2005
  • Developed DTS packages for the creation of daily feed student demographic data and upload to the new system
  • Designing, Developing and Deploying various ETL packages SSIS Informatica
  • Migrated SQL Server 2000 DTS packages into SSIS SQL Server 2005
  • Created, Deployed and Managed Reports through SQL Server Reporting Services SSRS
  • Involved in Creation and maintenance of Business objects reports
  • Generated Data Cleansing reports using Crystal Reports in Visual Studio
  • Developed a quick base application

Technologies: Informatica Power Center, SQL Server 2005, SQL Query Analyzer, Business Objects, Serena Dimensions, Visual Studio 2005, C .NET, Windows

Confidential

Analyst/Programmer

Responsibilities:

  • Prepared the Requirement gathering and Analysis, Detailed Design and Test plan
  • Wrote COBOL stored procedures
  • Involved in the optimization of the queries used in the stored procedures
  • Developed PL/SQL Procedures and functions
  • Used various tools like Toad, Beyond Compare and XML Spy for ease of development and analysis
  • Developed Use case, sequence and class diagrams
  • Created web pages using ASP.Net, CSS.
  • Involved in Business and Data layer development using VB.Net and ADO.Net
  • Involved in developing client side scripting files using JavaScript for dynamic actions as well as validations to be performed at client-side

Technologies: SQL Server 2000, Oracle, SQL Query Analyzer, Java, VB, Visual Source Safe, Windows

Visual Studio 2002, ASP.NET, VB.NET, Cobol, Visual Source Safe, Windows, C , Toad, Beyond Compare, XML Spy

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