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Etl Developer Resume



Seeking a development role within your organization with the aim of applying my over 4+ years of ETL development skills to enhance your company’s growth.


  • Nine plus (9+) years of IT experience Developing, Testing and Implementing business application systems for Health care, Pharmaceutical, Financial, Telecom and Manufacturing Sectors.
  • Hands - on experience across all stages of Software Development Life Cycle (SDLC) including business requirement analysis, data mapping, build, unit testing, systems integration and user acceptance testing.
  • Proficient in the Integration of various data sources with multiple relational databases like Oracle12c /Oracle11g, MS SQL Server, DB2, XML files and Flat Files into the staging area, Data Warehouse and Data Mart.
  • Strong Data Warehousing ETL experience using Informatica 9.1/9.6 PowerCenter Client tools - Mapping Designer, Repository manager, Workflow Manager/Monitor and Informatica Server tools, Repository Server manager.
  • Extensive ETL testing experience using Informatica 9.6/9.1 PowerCenter (Designer, Workflow Manager, and Workflow Monitor)
  • Strong experience in Dimensional Modeling using Star and Snow Flake Schema, Identifying Facts and Dimensions, Physical and logical data modeling using Erwin.
  • Support in production and maintaining applications.
  • Work extensively with slowly changing dimensions and incremental load strategies.
  • Excellent interpersonal and communication skills, and experienced in working with senior level managers, business people and developers across multiple disciplines.


ETL Tools: Informatica PowerCenter 9.6.0/ 10.x

Databases: Oracle 12c/11g, MS SQL Server 2017/2016, DB2 v12/v11.

Data Modeling Tools: Informatica Powercenter (Designer)

BI Tools: QlikView, Excel

Languages: SQL. JCL(Mainframe)


Confidential, MARYLAND


Environment: Informatica Power Center 9.6/9.1, Workflow Manager, Workflow Monitor, Oracle 12c/11g, SQL Server 2014, JCL Mainframe, WINSCP and QlikView.


  • Analyzing ETL batch job issues in production and testing environments.
  • Involved in support for the existing EDW (Enterprise Data ware house).
  • Monitor Data warehouse issues, trace the problem area and suggest a solution to business.
  • Implementing solutions to identified problems by developing new SVR’s as listed in requirement documents.
  • Lead projects from initialization phase, capturing business requirements to final phases of testing.
  • Immediately resolve Production incidents as raised by business within the given SLA.
  • Involved in Performance tuning at source, target, mappings, sessions, and system levels.
  • Modify existing mappings for enhancements of new business requirements.

Confidential, MARYLAND


Environment: Informatica Power Center 9.6/9.1, Workflow Manager, Workflow Monitor, Oracle 12c/11g, SQL Server 2014.


  • Design and customize data models for different Data warehouse systems using Informatica PowerCenter to design the business process, dimensions and measured facts.
  • Involved in building the ETL architecture and Source to Target mapping to load data into Data warehouse.
  • Create mapping documents to outline data flow from sources to targets.
  • Use various transformations like Filter, Expression, Sequence Generator, Update Strategy, Joiner, Stored Procedure, aggregator, sorter, router, rank, lookup and Union to develop robust mappings in the Informatica Designer.
  • Develop portable mapping by implementing parameters and variables to support deployment into different environments.
  • Develop reusable mapplets to enforce different mappings and Data Quality Rules using existing Informatica coding standards.
  • Used various tasks in Workflows like sessions, decision, e-mail, worklets, and scheduling of the workflow.
  • Performed relevant slowly Changing Dimension and Change Data Capture to execute incremental load from numerous sources to targets
  • Used Debugger to test the mappings and fixed the bugs.



Environment: Oracle SQL and Excel


  • Used basic analytical functions in Oracle SQL to analyze data in the database.
  • Used Excel to analyze flat files.
  • Meticulously interpreted data to draw conclusions for managerial actions and planning.
  • Consolidated data, designed and developed operation procedures, which improved workflow by 18%.
  • Developed Key Performance Indicators to monitor Nurses performance during homecare and successfully drawing conclusions about client needs
  • Presented analytical findings to the team to aid in strategic and operational improvement.
  • Used Excel to create visualizations to help communicate these findings.




  • Performed quarterly audit of all News Reporting equipment reducing backlog and system slow down.
  • Identified and fixed critical bugs in the News system and increased daily 24-hour news Production time by 30%.
  • Conducted training sessions for staff on maintenance of new systems that marginally reduced system delays.
  • Developed technical analysis procedures that reduced company expenditure by 2%.
  • Responsible for auditing all telecommunication systems once a quarter and submitting a completed report to management.

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