Lead Informatica Developer Resume
Manhattan, NyC
SUMMARY:
I am an ETL/Informatica developer with over 9 years of professional experience in the banking, financial, and pharmaceutical and retail industries. I have experience with many different software methodologies such as the waterfall and Agile models. Good experience with Informatica Real time integration and Salesforce Integration.
TECHNICAL SKILLS:
ETL Tools: Information PowerCenter versions 7.x through 9.x
Databases: Oracle 8.x/9.x/10g/11g, SQL Server 2008/2005/2003/2000 , DB2 UDB 7.2, Mainframe, MS - Access.
Editors: SQL Navigator, Toad
Oracle Tools: Oracle Enterprise Manager, Quest TOAD, SQL*PLUS, SQL*Loader, SQL*Net, SQL Navigator Export/Import
Microsoft Office: MS Word, Excel, PowerPoint
Operating systems: UNIX, Windows ME/2000/2003/NT/XP, IBM AIX
Scripting/Querying Skills: UNIX Shell scripting, SQL, SQL*PLUS, PL/SQL
Data Modeling Skills: ERWIN
Scheduling Tool: Control M, Autosys
Defect Tracking: JIRA, HP QC/ALM
EXPERIENCE:
Lead Informatica Developer
Confidential, Manhattan, NYC
Responsibilities:
- Responsible for creating mapping,sessions,workflows and worklets.
- Developed standard and reusable Mappings and Mapplets using various transformations like expression, aggregator, joiner, source qualifier, router, lookup (connected/unconnected), and filter
- Transferred data from flat files, Excel spreadsheets and heterogeneous data to and from Oracle
- Worked with business analysts, technical analysts, and DBAs to understand the data, the expected formats, data hierarchies and the functional hierarchies of various datasets
- Involved in unit testing, system testing, and integration testing to check whether the data loaded into the target is accurate
- Used Informatica debugging techniques to debug the mappings and used session log files and bad files to trace errors
- Fine tuned ETL code to improve performance by identifying bottlenecks and taking corrective measures
- Used Pushdown optimization to improve performance on loading data to Target.
- Utilized Netezza Bulk writer to load billions of rows quickly.
Technical Environment: InTechnical Environment: Informatica 9.6.1, Netezza, MS SQL Server, Windows 7, Linux, Tidal Job scheduling tool
Lead Informatica Developer
Confidential, Jersey City, NJ
Responsibilities:
- Responsible for leading the Trades team and directing Informatica developers onsite and offshore
- Developed standard and reusable Mappings and Mapplets using various transformations like expression, aggregator, joiner, source qualifier, router, lookup (connected/unconnected), and filter
- Transferred data from flat files, Excel spreadsheets and heterogeneous data to and from Oracle
- Worked with business analysts, technical analysts, and DBAs to understand the data, the expected formats, data hierarchies and the functional hierarchies of various datasets
- Wrote various SQL queries for better performance in Source Qualifier.
- Wrote SQL queries for each asset class for Trades stream ABORLite Delta processing.
- Troubleshoot and fixed issues in ABORLITE for Trades including Data match rate differences and data issues.
- Worked on troubleshooting/debugging/fixing PL/SQL packages,functions and procedures.
- Deployed PL/SQL packages to higher environments.
- Involved in unit testing, system testing, and integration testing to check whether the data loaded into the target is accurate
- Used Informatica debugging techniques to debug the mappings and used session log files and bad files to trace errors
- Converted ETL mappings into SQL queries to run for each Security class for Delta run.
- Fine tuned ETL code to improve performance by identifying bottlenecks and taking corrective measures
Technical Environment: InTechnical Environment: Informatica 9.5, Oracle 11g, PL/SQL, MS SQL Server, Windows 7, Linux
Senior Informatica Developer
Confidential, Brooklyn, NYC
Responsibilities:
- Involved in understanding and preparing technical requirements and acquiring application knowledge from Business Managers & Application Owners
- Performed extensive data analysis along with subject matter experts, identified source data and implemented data cleansing strategy
- Prepared mapping documents for the development of Informatica (ETL) mappings to load data into various target tables and defining ETL standards
- Used PowerExchange to capture changes and load data continuously into Oracle tables
- Responsible for creating Real time web service mappings using web service consumers to consume the SOA services in giving a proper response
- Created mapping for loading data into Salesforce tables via Informatica for Salesforce Integration
- Prepared a Standard Operating Procedure (Knowledge Transfer) document, which provides necessary information required for the maintenance and operation of the application
- Actively involved in production support. Implemented fixes/solutions to issues/tickets raised by user community
Technical Environment: Informatica 9.5, Informatica Real time Integration, Oracle 11g, Web services, Salesforce Integration, CDC PowerExchange for Oracle, SQL Developer, UNIX, Erwin Designer 4.1.
Informatica Developer
Confidential, Parsippany, NJ
Responsibilities:
- Involved in the full development lifecycle from requirement gathering through designing, building, QA, deployment and providing support using Informatica Power Center and SQL Server objects
- Resolved source system data issues (XML files and XSD schema) with Source System Owners
- Worked closely with business analysts to gather functional specifications and turn them into technical specifications
- Co - ordinated and monitored the Data Feed loads from offshore team
- Worked on data profiling, data transformation, and data cleansing
- Worked on Informatica tools Source Analyzer, Warehouse Designer, Mapping & Mapplet Designer and Transformation Developer.
- Built Workflows and Worklets to schedule, sequence and parameterize different ETL tasks.
- Designed and wrote Unit Test Plans.
- Prepared and executed test cases
- Built, maintained, and fine-tunes ETL mappings to load data from XML source to Relational Pre-Staging, then from Pre-Staging to Staging, then from Staging to Data warehouse using Informatica Power Center.
Technical Environment: Informatica Power Center8.x, Oracle 10g, PL/SQL, Visio, Erwin, Windows, UNIX Shell Scripts, AIX.
Informatica Developer/Tester
Confidential, Wilmington, DE
Responsibilities:
- Responsible for gathering test requirements and creating and scoping out the test plan.
- Created test case scenarios, executed test cases and maintained defects in internal bug tracking systems
- Responsible for anayzing business requirements, ETL Analysis, ETL test and design of the flow and the logic for the Data warehouse project using Informatica, Shell Scripting.
- Created and maintained test reports, identified bugs and reported findings using Quality Center
- Prepared testing strategy, testing schedule, test Cases depending upon the Requirement documents for integration and system testing.
- Defect management, bug tracking and bug Reporting using Quality Center.
- Queried databases using SQL queries in TOAD and SQL Server Management Studio to validate the data loaded into target tables.
- Tested Informatica mappings and workflows, and worked extensively with Informatica for data sourcing, data transformation and data loading.
