Sr. Informatica Developer Resume
MN
SUMMARY
- 5+ years of IT experience in data analysis, requirement gathering, development, testing and implementing Data warehousing projects with tools like Informatica and Ab Initio.
- Having over 4 years of experience working in Informatica PowerCenter, IDQ, Informatica Developer, Metadata Manager and B2B Data Transformation/Data Exchange.
- 2+ years of experience working with Ab Initio, GDE and EME.
- Over 4 years of experience working on various databases like Oracle, MS SQL Server and Teradata.
- Experienced in working with Oracle PL/SQL and Teradata BTEQ scripts.
- Experienced in working with JAVA, .NET, C# Programming languages.
- Experienced using Teradata utilities like TPump, Fast Load, Multi Load and Fast Export.
- Knowledgeable in Data Modeling concepts and Data Warehousing concepts.
- Experience integrating multiple sources in addition to databases like XML, CSV and Flat Files.
- Experience in UNIX shell scripting, CRON, FTP and file management in various UNIX environments.
- Experience in Autosys Job scheduling and UNIX Cron jobs.
TECHNICAL SKILLS
ETL Tools: Informatica, Abinitio
DBMS: Oracle, Teradata, SQL Sever
Languages/ Scripting: PL/SQL, BTEQ, Unix Shell Scripts, Perl
Programming Languages: JAVA, .NET, C, C++
Operating Systems: Windows and UNIX Based Operations Systems
Version Control Tools: VSS, GIT Perforce, Subversion, Harvest
PROFESSIONAL EXPERIENCE
Confidential, MN
Sr. Informatica developer
Responsibilities:
- Converted business requirements into technical documents and created Source to Target mappings as needed.
- Extracted data from sources like Oracle, XML files, and Flat files.
- Worked on Informatica Power Center, Power Exchanges, Salesforce Connectors, B2B DT/DX, IDD, Metadata Manager and Informatica Developer.
- Developed workflows, mappings and mapplets to address various business rules/transformation implementations.
- Extensively used SCD’s to handle the Incremental Loading of Dimension and Fact tables.
- Developed B2B DX endpoints for transferring files from various locations to the staging servers.
- Worked on B2B Data Transformation for parsing the PDF’s into XML and validate the responses using Informatica PowerCenter.
- Worked in tuning the existing processes for better performance.
- Modified existing shell script to suite the existing business logic and developed the utility script to archive, move and copy files and also to automate the batch jobs.
- Worked with DBA and infrastructure team to implement the DDLs, refresh data, create DB links, setup environment and delete the log files from the UNIX boxes.
- Responsible in writing SQL queries for Unit Test scenarios.
- Responsible in migrating code from Dev to QA and Prod environments using PTS Integrity tool.
Environment: Informatica Power Center 9.6, Informatica Metadata Manager, IDQ, Informatica Developer, B2B Data Exchange/ Data Transformation, SQL Developer, Oracle 11g, SQL Server, PDF files, XML Files, CSV Files, SQL/PLSQL, LINUX, Windows
Confidential
Informatica developer
Responsibilities:
- Interacted with the Business Analysts to understand the Dodd Frank Act and other business requirements.
- Performed the overall analysis of the application to identify the impacted sources.
- Co - ordinated with the downstream to accompany the sources.
- Modified all the graphs and transformations as required to support the new indicator.
- Developed the views and modified table structures to introduce the new field.
- Unit tested the application with the test data in dev and test environment.
- Worked with the QA team closely for the testing in the UAT environment.
- Monitored the first run in the production environment.
- Worked with the internal team to understand the features of the application.
- Participated in the high level ETL design and developed low level ETL design.
- Performed the overall analysis of the file watchers to gather the source inputs.
- Monitored the dependency analysis to find the flow of the data.
- Developed the required graphs and psets to support the design.
- Developed different tables and views to capture the data.
- Implemented various autosys jils for file watching, transformations and archiving.
- Developed various UNIX scripts to check the files and automate the internal processes.
- Migrated and deployed code in different environments using Harvest and Anthill.
- Handled different types of data including databases, flat and csv files to gather the source data.
Environment: Ab Initio 3.0.1, UNIX Shell Scripting, UNIX, Windows XP, Teradata, SQL server 2008/2008R2, Oracle10G, SQL/PLSQL, Java/J2EE, Harvest, Anthill.
Confidential
Data Warehouse Support
Responsibilities:
- Worked with the business users in understanding of requirements and profile the data.
- Developed source target mappings based on business requirements and the data model.
- Participated in the high level ETL design and developed low level ETL design.
- Created parameter files that are subsequently used by the ETL projects.
- Responsible for developing ETL process to load facts and dimensions.
- Performed unit testing of the ETL processes.
- Developed UNIX shell scripts for file transfer and file watchers.
- Assisted QA in code migration and testing of the application.
- Supported prod environment on round Robbin basis.
- Developed front end of the application using Java SWING framework.
- Supported the .Net code of the application.
Environment: Informatica 9.1, Ab Initio 3.0.1, UNIX Shell Scripting, UNIX, Windows XP, SQL server 2008/2008R2, Oracle10G