Etl/mdm Developer Resume Profile
NY
Summary
- 8 years of IT experience in System Analysis, Design, Development and Testing of Data Warehousing implementations across Financial, Educational, Construction and Retail Industries.
- ETL/MDM: 5 years of Data Warehousing experience using Talend Integration Suite 4.2/5.0 /Talend MDM 5.x , Datastage Pentaho. Designing and developing complex mappings to extract data from diverse sources including flat files, RDBMS tables, and legacy systems.
- SQL Server Integration Services: 5 years of Data Warehousing experience using SSIS. Designing and developing complex mappings to extract data from diverse sources including flat files, RDBMS table, and legacy systems.
- Data Modeling: 4 years of Dimensional Data Modeling experience. Dimensional Modeling, Star/Snowflake Modeling, Datamarts, FACT Dimension Tables.
- Databases: 8 years of experience using MS SQL Server 2005/2008 and MS Access. 3 years of experience using Oracle 11g/Oracle 10g/9i. 2 Years of experience using Netezza and MySQL Databases.
- Business Intelligence: 6 years of experience providing historical, current and predictive views of business operations. Using Predictive analytics to take historical and current trends to make predictions of future trends.
Technical Skills
| Dimensional Data Modeling | Dimensional Data Modeling, Star Join Schema Modeling, Snowflake Modeling, FACT and Dimensions Tables. |
| BI Tools / ETL / Reporting | SQL Server Business Intelligence Development Studio SSIS, SSRS, SSAS , Talend Open Studio 4.2/5.0 , Jasper/Talend Integration Suite 4.2/5.0 , Pentaho 4.5, InfoSphere DataStage 9.1, Talend MDM |
| Databases | Oracle 11g , Oracle 10g/9i/8i/7.x, MS SQL Server 2008/2005, Netezza, MySQL |
| Languages | T-SQL, PL/SQL, Java, HTML, C , PERL, Visual Basic .NET, C |
| Environment | Win 3.x/95/98, Win NT, Win Server 2003, Linux, UNIX, Win 2000, Win XP. MS-Dos, Win Vista, Win 7. |
Work Experience
ETL/MDM Developer
Confidential
- Used ETL methodologies and best practices to create Talend ETL jobs.
- Extracted data from flat files/ databases applied business logic to load them in the staging database as well as flat files.
- Developed jobs in Infosphere Datastage and involved in job migration from Datastage to Talend.
- Used Datastage extensively to load the data in the staging, and datamarts.
- Developed mappings /Transformation/Joblets in Talend 5.0.
- Designed ETL Jobs/Packages using Talend Integration Suite TIS
- Talend MDM 5.1.1.Designed and developed the Business Rules and workflow system.
- Developed Talend ETL jobs to push the data into Talend MDM and develop the jobs to extract the data from MDM.
- Developed data validation rule in the Talend MDM to confirm the golden record.
- Developed data matching/linking rules to standarize the record in Talend MDM.
- Worked on different data sources such as Oracle, Netezza, MySQL, Flat files etc.
- Created complex mappings in Talend 5.0 using tmap, tmssqlinput, tmssqloutput, tfiledelimitede, tfileoutputdelimited, tmssqloutputbulkexec, tunique, tFlowToIterate, tintervalmatch, tlogcatcher, tflowmetercatcher, tfilelist, taggregate, tsort, tMDMInput, tMDMOutput, tFilterRow.
- Used tStatsCatcher, tDie, tLogRow to create a generic joblet to store processing stats into a Database table to record job history.
- Created Talend Mappings to populate the data into dimensions and fact tables.
- Frequently used Talend Administrative Console TAC
- Implemented new users, projects, tasks within multiple different environments of TAC Dev,Test,Prod,DR .
- Worked with clients and created specific MRS documents to ensure mapping was to their specification.
- Worked with third party vendors on specific requirements needed for new feeds.
- Created and managed Source to Target mapping documents for required jobs.
- Ensured jobs, projects and MRS documents were up to date on the SVN within different environments.
- Was involved in the creation and fixing of jobs for four different teams. One of which was the release team for Sony.
Environment: Talend Integration Suite 5.0 , Netezza DB, MySQL DB, Unix, Linux, Wiki, SVN, Talend MDM, Java, Infosphere Datastage 9.1 Designer/Director
Business Intelligence Developer
Confidential
- Used ETL methodologies and best practices to create Talend ETL jobs.
- Extracted data from flat files/legacy databases applied business logic to load them in the staging database.
- Developed mappings /Transformation/Joblets in Talend 4.2.
- Designed ETL Jobs/Packages using Talend Integration Suite TIS
- Implemented population of slowly changing dimensions to maintain current information and history information in warehouse tables with change data capture CDC .
- Worked on different data sources such as Oracle, SQL Server 2008, Salesforce, Flat files etc.
- Created complex mappings in Talend 4.2 using tMap, tJoin, tReplicate, tParallelize, tJava, tJavaFlex, tAggregateRow, tDie, tWarn, tLogCatcher, etc.
- Used tStatsCatcher, tDie, tLogRow to create a generic joblet to store processing stats.
- Created Talend Mappings to populate the data into dimensions and fact tables.
- Created Talend ETL job to receive attachment files from pop e-mail using tPop, tFileList, tFileInputMail and then loaded data from attachments into database and archieved the files.
- Design and Implemented ETL for data load from heterogeneous Sources to SQL Server and Oracle as target databases and for Fact and Slowly Changing Dimensions SCD-Type1 and SCD-Type2.
Environment: Talend Integration Services TIS 4.2 SQL Server 2008 Oracle 10g Salesforce Wiki Windows 2003 Server
Database ETL Developer
Confidential
- Installation of SQL Server 2008.
- Created and managed Source to Target mapping documents for all Facts and Dimension tables
- Used ETL methodologies and best practices to create Talend ETL jobs.
- Followed and enhanced programming and naming standards.
- Created and deployed physical objects including custom tables, custom views, stored procedures, and Indexes to SQL Server for Staging and Data-Mart environment.
- Design and Implemented ETL for data load from heterogeneous Sources to SQL Server and Oracle as target databases and for Fact and Slowly Changing Dimensions SCD-Type1 and SCD-Type2.
- Designed ETL Jobs/Packages using Talend Open Studio TOS
- Used Talend most used components tMap, tDie, tConvertType, tFlowMeter, tLogCatcher,
- tRowGenerator, tSetGlobalVar, tHashInput tHashOutput and many more
- Created many complex ETL jobs for data exchange from and to Database Server and various other systems including RDBMS, XML, CSV, and Flat file structures.
- Developed reports and also create Data Model for users to generate ad-hoc reports from database using SQL Server Reporting Services SSRS
- SSRS installation and report server configuration.
- Created database objects, stored procedures, tables, views etc in physical database.
- Developed the Conceptual, Logical, and Physical Data Model for Staging and Dimensional Schema.
- Extensively used Joins and Sub-Queries to simplify complex queries involving multiple tables.
- Performance tuning, query optimization and execution plan of queries for better performance.
- Interacted with developers other team members to discuss about ETL architecture and
