Informatica Developer/technical Consultant/data Analyst Resume
Winston Salem, NC
SUMMARY:
- 9 years of experience in Requirement Analysis, Functional Analysis, Design, Development, implementation, Testing, Debugging, Productions Support, and Maintenance of various Data warehousing Applications (Informatica, Informatica IDQ,Oracle and UNIX).
- Nine years IT industry experience includes Data Integration and Analysis for Decision Support System in Banking, Insurance, Financial, Telecom,Health,Aviation,Industarial Sector.
- Worked on Development, Migration development and Production support project.
- Working closely with architects for requirement gathering and working with teams on the solution.
- Have good analyzing skills to analyze existing system and also planned system to discover a feasibility of systems.
- Involved on Data analysis using Query analyzer, Understand the requirement and do the mapping layout document to implement in Informatica code.
- Nine years of Data Warehousing experience using Informatica Power Center 9.6.1,9.1.0, 8.6.1/8.1/ 7. x/6.x/5.1.2, Power center Designer,, Repository Admin console, Repository Manager,, Workflow Manager, Workflow Monitor, Informatica Analytics, IDQ,Informatica Power Exchange ETL, Data mart, OLAP, OLTP.
- Worked on Informatica IDQ for Data profiling and Data Cleansing.
- As a ETL developer also worked on DATASTAGE and SAP - BODI tool.
- Experience with Database Systems like flat file,Oracle 11g,10g/9i/8i/7.3,PeopleSoft,,SQL SERVER,Teradata, Mainframe,SapR/3 and SAP HANA
- Excellent experience in extraction, transformation and loading the data from various source databases to target database.
- Worked in Incident and change management processes(SLA)
- Experience in writing, reviewing and executing test cases and test scripts as per the client process
- Programming and debugging skills in SQL, PL/SQL and UNIX shell scripting. Experience in developing Stored Procedures, Functions and Packages.
- Strong experience working with Banking and Insurance industry.
- Experience in working with Support teams like Production support, Code migration
- Involved in Full Life Cycle Development of building a Data Warehouse.
- Experienced in Performance of Mapping Optimizations in Informatica.
- Experienced in the Analysis, Design, Development, Testing, and Implementation of business application systems for Financial, Insurance, Telecommunication and Manufacturing Sectors.
- Experienced in using the Oracle SQL* Loader feature for loading the data from Flat Files to Data Base tables for Bulk Loading.
- Extensive experience in error handling and problem fixing in Informatica.
- Excellent skills in retrieving the data by writing simple/ complex SQL Queries.
- Understanding in writing Test plans, Test cases, Unit testing, System testing, Integration testing and Functional testing.
- Implemented scheduling tools like Informatica Scheduler,Ctrl -M, DAC, ESB.
- Involved in many Informatica Admin activities like Creation folder,User creation,Assigning role the USER,Code back up,Migration of code(Dev to QA to UAT),Informatica connection creation(relational and application) etc
- Experience with Informatica adminstartion.
- Exposure towards OBIEE,Cognos and Business object reporting tool.
- Possess good interpersonal, presentation and development skills with strong analytical and problem solving approach.
- Excellent Team Player, self motivated with good communications skills.
- Worked on onsite\offsore model
- Excellent skills in analysis and business requirements gathering from end users to the client and experience in documentation of developed applications.
TECHNICAL SKILLS:
Informatica Power Center: 9.6.1,9.1.0, 8.6.1/8.1/7. x/6.x/5.x Repository Manager, Designer, Server manager, Workflow Monitor, Workflow Manager, Power Mart 6.2/6.1/5.1. x/4.7,Oracle Ware House Builder 9.2/10g, Power Connect for DB2/Siebel/SAP, DataStage
Databases: Oracle11g/10g/9i/8i,DB2,Mainframe,SQLServer2008 R 2/2000/7.0/6.5 , TERADATA,Peoplesoft,SAP R/3 and SAP HANA
ControlM, DAC:, Tivoli,ESP,Informatica Scheduler
Environment: Windows 95/98/2000/NT, UNIX, MS-DOS, SQL*Plus
SQL, PL/SQL:, C, C++, Shell scripts
WORK EXPERIENCE:
Confidential, Winston Salem, NC
Informatica Developer/Technical Consultant/Data Analyst
Responsibilities:
- Extensively used Informatica 9.6.1 for extracting the data from Mainframe, Flat File, Oracle and Sqlserver to loading data into SAP HANA..
- Creation of jobs using different transformations and validate the mapping.
- Created various mappings, mapplets to implement the business logic using different transformations as Aggregator, Connected and Unconnected Lookups, Router, Update Strategy, Filter, Rank, Joiners.
- Expression, Sequence generator. Used debugger to test the mapping and fixed the bugs.
- Created Informatica IDQ mapping for Data profiling and Data Cleansing
- Used Power Exchange for extracting the data from Mainframe.
- Extensively used Informatica Analyst, IDQ tool for source data profiling.
- Implemented Slowly Changing dimensions Type 1,Slowly Changing dimensions Type 2 history of dimensional data in the table
- Designed and Developed the Informatica workflows/sessions to extract, transform and load the data into dimension, fact tables and transactional tables.
- Used Workflow Manager for creating, validating, testing and running the sequential and concurrent sessions.
- Used Workflow Monitor to monitor the progress of workflow.
- Responsibility involved in Non Function point Estimation, Impact Analysis, Defect Closing, preparation of HLD, LLD, Test Case etc. maintain the coding standard according to the Naming convention.
- Interacted with technical team and business users to perform analysis of business requirements
- Prepare the technical document after going through the functional specification.
- Worked with testing team on ALM to resolve the defects
Environment:, Informatica 9.6.1, Power Exchange,IDQ,Oracle 11g,SQL SERVER,Flat File, SAP HANA and UNIX
Confidential, Philadelphia, PA
Informatica Consultant /Technical Consultant
Responsibilities:
- Extensively used Informatica 9.6.1 for extracting the data from legacy system and loading data into SQL SERVER
- Creation of jobs using different transformations and validate the mapping.
- Created various mappings, mapplets to implement the business logic using different transformations as Aggregator, Connected and Unconnected Lookups, Router, Update Strategy, Filter, Rank, Joiners.
- Created Informatica IDQ mapping for Data profiling and Data Cleansing
- Expression, Sequence generator. Used debugger to test the mapping and fixed the bugs.
- Implemented Slowly Changing dimensions Type 1,Slowly Changing dimensions Type 2 history of dimensional data in the table
- Designed and Developed the Informatica workflows/sessions to extract, transform and load the data into dimension, fact tables and transactional tables.
- Used Workflow Manager for creating, validating, testing and running the sequential and concurrent sessions.
- Used Workflow Monitor to monitor the progress of workflow.
- Responsibility involved in Non Function point Estimation, Impact Analysis, Defect Closing, preparation of HLD, LLD, Test Case etc. maintain the coding standard according to the Naming convention.
- Interacted with technical team and business users to perform analysis of business requirements
- Prepare the technical document after going through the functional specification.
Environment:, Informatica 9.6.1, IDQ,SQL SERVER,DMF,Winows
Confidential, Hoboken,NJ
Informatica Developer/Tech Lead
Responsibilities:
- Extensively used Informatica 9.1 for extracting the data from PEOPLESOFT application and loading data into OBIEE DATAWAREHOUSE.
- Creation of jobs using different transformations and validate the mapping.
- Created various mappings, mapplets to implement the business logic using different transformations as
- Used Aggregator, Connected and Unconnected Lookups, Router, Update Strategy, Filter, Rank, Joiners.
- Expression, Sequence generator. Used debugger to test the mapping and fixed the bugs.
- Implemented Slowly Changing dimensions Type 1,Slowly Changing dimensions Type 2 history of dimensional data in the table
- Designed and Developed the Informatica workflows/sessions to extract, transform and load the data into dimension, fact tables and transactional tables.
- Used Workflow Manager for creating, validating, testing and running the sequential and concurrent sessions.
- Used Workflow Monitor to monitor the progress of workflow.
- Responsibility involved in Non Function point Estimation, Impact Analysis, Defect Closing, preparation of HLD, LLD, Test Case etc. maintain the coding standard according to the Naming convention.
- Interacted with technical team and business users to perform analysis of business requirements
- Prepare the technical document after going through the functional specification.
Environment:, Informatica 9.1, Oracle 11g, PL/SQL, OBIEE and DAC.
Confidential, DETROIT, MI
Informatica Developer/Project Lead
Responsibilities:
- Extensively used Informatica 8.6 for extracting the data from Flat FILE and loading data into Mysql.
- Creation of jobs using different transformations and validate the mapping.
- Created various mappings, mapplets to implement the business logic using different transformations as
- Used aggregator, Connected and Unconnected Lookups, Router, Update Strategy, Filter, Rank, Joiners, Expression, Sequence generator transformations. Used debugger to test the mapping and fixed the bugs.
- Implemented Slowly Changing dimensions Type 1 and Type 2 to keep a full history of dimensional data in the table
- Used Workflow Manager for creating, validating, testing and running the sequential and concurrent sessions.
- Designed and Developed the Informatica workflows/sessions to extract, transform and load the data into Transactional tables.
- Used Workflow Monitor to monitor the progress of workflow.
- Wrote SQL queries, PL/SQL Procedures/Functions to support the business requirements and to
- Interacted with technical team and business users to perform analysis of business requirements
- Prepare the technical document after going though the functional specification.
Environment:, Informatica 9.1, Oracle 11g, PL/SQL, Unix
Confidential, Hoboken, NJ
Informatica Developer/Tech Lead/Migration Lead
Responsibilities:
- Extensively used Informatica 8.6 for extracting the data from Flat FILE and loading data into oracle.
- Creation of jobs using different transformations and validate the mapping.
- Created various mappings, mapplets to implement the business logic using different transformations as
- Aggregator, Connected and Unconnected Lookups, Router, Update Strategy, Filter, Rank, Joiners,
- Expression, Sequence generator. Used debugger to test the mapping and fixed the bugs.
- Implemented Slowly Changing dimensions Type 1 and Type 2 to keep a full history of dimensional data in the table
- Used Workflow Manager for creating, validating, testing and running the sequential and concurrent sessions.
- Designed and Developed the Informatica workflows/sessions to extract, transform and load the data into Transactional tables.
- Used Workflow Monitor to monitor the progress of workflow.
- Wrote SQL queries, PL/SQL Procedures/Functions to support the business requirements and to
- Interacted with technical team and business users to perform analysis of business requirements
- Prepare the technical document after going though the functional specification.
- Excellent skills in analysis and business requirements gathering from end users to the client and experience in documentation of developed applications
- Responsible for ensuring that the requirements of the business clients have been captured and documented correctly before a solution is developed.
- Responsible for issue resolution, work closely to perform data quality & analysis and monitoring of data load
- Peer review,code review.
Environment:, Informatica 8.6/9.1, Oracle 11g,, PL/SQL, UNIX Shell Scripts.
Confidential
Tech Lead
Responsibilities:
- Responsible for ensuring that the requirements of the business clients have been captured and documented correctly before a solution is developed.
- Responsible for issue resolution, work closely to perform data quality & analysis and monitoring of data load.
- Excellent skills in analysis and business requirements gathering from end users to the client and experience in documentation of developed applications
- Implemented the Informatica coding in BODI tool
- Involved in doing code review
- Extensively used Informatica 8.6 for extracting the data from Flat FILE and loading data into Mysql.
- Creation of jobs using different transformations and validate the mapping.
- Created various mappings, mapplets to implement the business logic using different transformations as
- Aggregator, Connected and Unconnected Lookups, Router, Update Strategy, Filter, Rank, Joiners,
- Expression, Sequence generator. Used debugger to test the mapping and fixed the bugs.
- Implemented Type II slowly changing dimension to keep a full history of dimensional data in the table
- Used Workflow Manager for creating, validating, testing and running the sequential and concurrent sessions.
- Designed and Developed the Informatica workflows/sessions to extract, transform and load the data into Transactional tables
- Debug mappings to gain troubleshooting information about data and error conditions using Informatica Debugger.
- Used Workflow Monitor to monitor the progress of workflow.
- Wrote SQL queries, PL/SQL Procedures/Functions to support the business requirements and to
Environment:, Informatica 8.6, SAP-BODI,Oracle 11g, UNIX Shell Scripts.
Confidential
Informatica Developer
Responsibilities:
- Requirements Gathering and Business Analysis.
- Interpreted logical and physical data models for Business users to determine common data definitions and establish referential integrity of the system.
- Designing the Data marts based on the requirement using Informatica Power Center
- Created data model structure and E-R modeling with all related entities and relationship with each entities based on the rules provided by the business manager using Erwin
- Prepared and implemented data verification and testing methods for the data warehouse.
- Developed data movement exception handling and worked with business people to address resolve exceptions.
- Extensively used ETL to load data from Oracle, SQL server,.
- Developed ETL mappings, transformations using Informatica Power Center 8.6
- Worked on Informatica Utilities - Source Analyzer, Warehouse Designer, Mapping Designer, Mapplet Designer & Transformation Developer
- Used debugger to test the data flow and fix the mappings.
- Created and monitored workflows and tasks using Informatica Power Center Work flow Manager.
- Tuned the workflows and mappings
- Setting up Batches and sessions to schedule the loads at required frequency using Power Center Server manager.
- Involved in Writing Shell scripts to automate Pre-Session and Post-Sessions Processes.
- Involved in Developing Stored procedures using PL/SQL
Environment: Informatica 8.6.Oracle 9i /8i PL/SQL,, TOAD, SQL*Plus, SQL*Loader,, UNIX
Confidential
DW Informatica Developer
Responsibilities:
- Interviewed business partners to determine requirements.
- Determined scope of project phases, and documented the mappings.
- Determined where the data resided and how to write to temporary file for initial load.
- Wrote detailed specifications to code navigation path to store data within proper tables.
- Coordinated execution of the test plans and verified data to be loaded into Warehouse.
- Created Mapping and Mapplets for Transforming data from transient staging to Warehouse and feeding specific data marts.
- Used Informatica Source Analyzer, Mapping Designer and Warehouse Designer for Extraction, Transformation and Loading.
- Created reusable transformations and used in different mappings.
- Used Joiner Transformation to extract data from multiple sources and Sequence Generator Transformation to create unique primary key values.
- Used Aggregator, Sequence Generator, Joiner, Look up, Expression, Filter, Rank, Router, Update Strategy Transformations to populate target. Used debugger to test the mapping and fixed the bugs.
- Implemented SCD1 and SCD2 .
- Involved in analysis, design, development, test and implementation of Informatica transformations and workflows for extracting the data from the source systems.
- Worked cooperatively with the team members to identify and resolve various issues relating to Informatica and databases.
- Used parameters and variables at mapping and session levels to tune the performance of Mappings.
- Coded BTEQ scripts to load data from Teradata staging to Enterprise Data warehouse.
- Worked Extensively on Teradata SQL Assistant to analyze the existing data and implemented new business rules to handle various source data anomalies.
- Used MLOAD,FLOAD to load the data in to Teradata warehouse
- Used PL/SQL for writing stored procedures and database triggers to enforce database integrity.
- Used parallel processing capabilities, Session-Partitioning and Target Table partitioning utilities.
- Developed process for error handling and auto reloading.
- Created reusable objects in Informatica for easy maintainability and reusability.
- Performed the data validations and control checks to ensure the data integrity and consistency.
- Extensively used debugger to trace errors in the mapping.
- Involved in developing test plans and test scripts to test the data based on the business requirements.
- Responsible for regression testing ETL jobs before test to production migration.
- Supported migration of ETL code from development to QA and then from QA to production.
Environment: Informatica 8.1, Teradata,Sap IDOC,SQL, PL/SQL, SQL*Plus, SQL*Loader, SQL Server 7.0, Windows2000, UNIX.
Confidential
Informatica Developer
Responsibilities:
- Extensively used Informatica power center for loading the data from various sources involving sap, flat files, oracle database, spread sheet etc to target (like flat file or database table).
- Creation of Mapping or mapplet using different transformations and validate the mapping.
- Creation of different transformations like lookups, Expression, joiner, Source Qualifier, Sequence Generator, Router, Filter etc.
- Creation of session for created mapping and add the session logic like connection, log file etc. and validate the session.
- Schedule and monitor the sessions work flows using informatica work flow manager and work flow monitor.
- Analyze the existing mappings, if it is producing errors and rectify the errors.
- If any requirement changes then modify the whole life cycle of informatica.
- Responsibility involved in Non Function point Estimation, Impact Analysis, Defect Closing, preparation of HLD, LLD, Test Case etc. maintain the coding standard according to the Naming convention.
- Involved in Client Handling, fix ups the defect, peer review and status updating, defect log, finalizing the unit test cases, integration test cases and testing along with the peers.
- Make sure the NightlyJob/DailyRun jobs are in a running with out any error.
- If job aborts then Preparation of Catch-Up (Job Control) jobs for the aborted jobs and re-start the Catch-Up jobs.
- Running of the individual job sequencers through the DataStage director incase of job aborts after rectifying the root cause.
- Checking the log for jobs to make sure the usage flat files have successfully been SQLloaded. Any load errors will result in an email to Data-Warehousing Business Applications
- Reloading of the data incase of data miss-matches for a particular day/period
- Dealing with Banks like AIB,BOI,TSB…etc if any day data has not loaded then load the data for the particular day
- Involved in Client Handling, fix ups the defect, peer review and status updating, defect log, finalizing the unit test cases, integration test cases and testing along with the peers.
- The main intention of this project is in the area of Development and Maintenance of o2’s Applications Systems. Analyzing the problem, providing initial analysis and fix the issue.
Environment: Datastage, Teradata, PL/SQL, SQL*Plus, UNIX,
