Sr. Informatica Developer/etl Architect Resume
NyC
PROFESSIONAL SUMMARY:
- Total 15 Years of IT experience in different tools and technologies like Informatica, VLDB, Teradata, Vertica, Sybase, Oracle, and PL/SQL.
- Vital experience in Informatica Power Center 9.x/8.x/7.x/6.x, Data Warehousing, Data Integration, Business Intelligence as Sr. ETL/Informatica Developer, Oracle10g/9i/8i, SQL, PLSQL, Shell Scripts, Unix, Windows.
- Excellent 10 Years of experience in leading and mentoring development teams in different models.
- Recent exposure to informatica Web Service hub and WSDL development.
- Excellent knowledge of the design and implementation of the Data Warehouse life cycle.
- Expertise in applying data integration concepts in Finance business verticals.
- Experience with business requirements gathering, business analysis and documentation.
- Strong analytical skills with a knack for problem solving.
- Highly skilled, motivated team player with excellent communication and inter - personal skills.
- Excellent in Performance Tuning.
- Experience in Writing JIL for scheduling for Autosys Job.
- Ability to work well under pressure and meet deadlines.
- Delivered end-to-end ETL Architecture solution and strategies for complex data integration projects
TECHNICAL SKILLS:
SETL Tools: Informatica PowerCenter 9.x/8.x/7.x, Sunopsis, ODI, Informatica Web Service Hub
Scheduling Tool: Tidal, Autosys
Database: Oracle (8i/9i/10g/11), Teradata, Vertica, Sybase, Netezza, DB2 and SQL Server
Core Technology: Oracle PL/SQL, SQL
Languages: C/C++, Java, Visual Basic
Operating Systems: MS Windows 95/98/2000/XP, MS Windows NT 4.0, UNIX (SunOS)
Other Tools: PL/SQL developer, TOAD, Squirrel, MS Studio, Rapid SQL
PROFESSIONAL EXPERIENCE:
Confidential, NYC
Sr. Informatica Developer/ETL Architect
Responsibilities:
- Involved in code the requirements into mappings and shell scripts and tune those.
- Recently developed new product to use any Informatica workflow using WSDL and call by any SOAP UI using Informatica Web Service hub.
- Develop, test and maintain the code using perforce and labeling.
- Participated in the development and maintenance of a Date Warehouse Load Schedule.
- Performed production support duties on a 24/7 basis.
- Prepared Autosys jobs for scheduling daily batch.
- Extensively used PL/SQL to embed complex business logic in stored procedures.
- Extensive involvement in ETL code optimization, performance enhancements and code reviews.
- Use the deployment group from INFA for Production deployments.
- Implemented logic to control job dependencies between ETLs solely through the use of event-raise and event-wait tasks and entries made by ETLs in pilot database tables.
- Responsible for coordinating development and testing efforts with offshore team members.
Confidential, New York, NYC
Sr. Informatica Developer/Tech Lead
Responsibilities:
- Worked on more than 50 objects including INFA, DB and UNIX side.
- Participated in the development and maintenance of a Date Warehouse Load Schedule.
- Prepared Tidal jobs for scheduling daily batch.
- Extensively used Teradata to embed complex business logic in stored procedures.
- Implemented logic to control job dependencies between ETLs solely through the use of event-raise and event-wait tasks and entries made by ETLs in pilot database tables.
- Responsible for coordinating development and testing efforts with offshore team members.
- Involved in optimization of Lookup SQL queries in order to reduce lookup cache size.
Confidential, 70 Hudson St. Jersey City NJ
Sr. Informatica Developer/ETL Architect
Responsibilities:
- Worked on more than 100 objects including INFA, DB and UNIX side.
- Established Application Development Framework (Event Channel)
- Build Common User Interface/Portal.
- Consolidated / Shared Data Environments (ODS & DWH)
- Define Data Exception Types, proper data controls and daily checks.
- Expose Data Quality Exceptions to Operations
- Establish exception management process with IT and Operations.
- Involved in code the requirements into mappings and shell scripts and tune those.
- Participated in the development and maintenance of a Date Warehouse Load Schedule.
- Performed production support duties on a 24/7 basis.
- Prepared Autosys jobs for scheduling daily batch.
- Extensively used Mapping Variables, Mapping Parameters, and Parameter Files for the capturing delta loads.
- Extensive involvement with the Quality Assurance team for building exhaustive set of test cases.
- Extensive involvement in ETL code optimization, performance enhancements and code reviews.
- Responsible for coordinating development and testing efforts with offshore team members.
- Worked on making session runs more flexible through the use of mapping parameters and variables and used parameter files and variable functions to manipulate them.
Confidential, Reston, VA
ETL/Informatica Lead
Responsibilities:
- Defined Target Load Order Plan and Constraint based loading.
- Wrote shell scripts to merge files, append timestamp to filenames and move files.
- Implemented entire ETL job plan (150 jobs) through Autosys scheduler.
- Translated the business processes into Informatica mappings.
- Design and development of CDC process using time-stamping method.
- Developed ETL sessions for initial full loading and incremental loading.
- Unit and Integration testing of Informatica mappings.
- Involved in ETL code optimization, performance enhancements and code reviews.
- Design ETL specifications, including data flow, source system selection, data quality and transformations.
- Design and Developed ETL best practices document (Development standards, File
Naming, design strategy source format, mapping design, reusable objects etc).
Confidential, Newark, NJ
Informatica Architect/Lead
Responsibilities:
- Design, Analysis and development of new ETL.
- Worked with materialized views to obtain optimal query performance.
- Supported the database application development team to tune their applications to suit the database needs.
- Involved in code for List Pulls and E-migration modules. The target is Oracle data base.
- Worked with Global Clients to understand the business requirements and implemented the business requirements in Data warehouse.
- Creation of XML files for source and target.
- Performed unit testing, point-to-point testing and integration testing to confirm ETL code integrity.
Confidential, NYC
ETL Lead/Admin
Responsibilities:
- Extensively involved in the current development processes of all Applications, gathered Business User Requirements and wrote in the Technical Design Documentation.
- Coordinated as Release Package Lead for production releases.
- Implemented Client Dimensions for Data warehouse and Data Mart layer
- Extensively created and reviewed unit, system and integration test cases for all cycles.
- Worked Extensively with Expression, Lookup, Joiner, Sorter, Aggregator, Update Strategy, Sequence Generator, Filter, Rank and Router transformations.
- Extensively used Mapping Variables, Mapping Parameters, and Parameter Files for the capturing delta loads.
- Gained working knowledge of Autosys jils at command line for loading/force starting jobs, changing job status and monitoring job progress.
- Documented all the technical work into high and low level design docs for team’s reference.
Confidential, Charlotte, NC
ETL Lead/Admin
Responsibilities:
- Documented analysis documents, PSAD, HLD, LLD and mapping documents for team’s reference.
- Extensively created Autosys jobs for scheduling purpose.
- Conducted new employee training sessions to provide insight of the working/functionality of Informatica workflows.
- Demonstrated ability to quickly grasp team guidelines, processes, practices and procedures. ETL and Data base coding like mappings, workflows and Stored Procedures.
- Design and Developed ETL best practices document (Development standards, File Naming, design strategy source format, mapping design, reusable objects etc, security, session best practices, deployment etc).
- Worked independently and completed assigned project responsibilities under limited supervision and aggressive deadlines.
Confidential, Secaucus NJ
ETL Lead/Sr. ETL Developer
Responsibilities:
- Extensively participated in the workshops for gathering requirements
- Involved in implementation of requirements into ODI interfaces.
- Mainly worked on developing Scenarios, Interfaces, procedures and SQLs.
- Extensively worked on ETL and data base coding
- Learned to handle Service calls.
- Gained working knowledge of creating estimation plan for development.
Confidential
TL Lead/Sr. Informatica Developer
Responsibilities:
- Extensively worked directly with business to analyze their needs and priorities for these very large-scale and highly visible data mart projects.
- Gained knowledge of Developing complex Informatica mappings to load ODS, EDW and Data Marts and PL/SQL packages for reporting.
- Extensively involved in designing the monthly financial data reconciliation process
- Worked independently and completed assigned project responsibilities under limited supervision and aggressive deadlines.
- Got the chance to coordinate with onsite team.
- Induction of new resources, knowledge acquisition, and knowledge transfers.
- Extensively involved in writing Oracle PL/SQL Stored Procedures/Functions/Packages and Triggers.