We provide IT Staff Augmentation Services!

Etl Sr - Developer Resume

0/5 (Submit Your Rating)

Mclean, VA

SUMMARY

  • 11+ years of experience IT Industry in various areas like Application Development, Enhancement, Maintenance and Support, Application Management & Implementation
  • Strong data warehousing ETL experience using Informatica 9.6/9.1/8.6 Power Center client tool.
  • Extensively worked on Informatica PowerCenter Transformations such as Source Qualifier, Lookup, Filter, Expression, Router, Normalize, Joiner, Update Strategy, Rank, Aggregator, Stored Procedure, Sorter, Sequence Generator, XML Transformations.
  • Worked with different data sources such asOracle,SQL Server,DB2,SAP,Flat files,HDFS.
  • Having good experience in writing UNIX script, AUTOSYS JILs.
  • Experience in project estimation and onsite, offshore team management.
  • Strong experience in the analysis, design, development, testing and implementation of Business Intelligence solutions using Data Warehouse.
  • Experienced in performance tuning of mappings, sessions and workflows including partitioning.
  • Involved in full life cycle development of Data Warehousing.
  • Excellent understanding of Star Schema, Snowflake modeling. Fact, Lookup and Dimensions Tables.
  • Excellent skills in understanding business needs and converting them into technical solutions.
  • Good exposure in Informatica MDM.
  • Exposure on Hadoop ecosystems, HDFS, Big Data, HIVE, MR, SQOOP and RDBMS.
  • Extensive experience in developing Stored Procedures, Functions, Views and Triggers, Complex SQL queries using SQL Server and Oracle PL/SQL.
  • Good exposure in project estimation, preparing BRD, FRD, Technical specs, project documentation.
  • Very good domain experience in Banking AML applications, Healthcare and Aviation Domains.
  • Good experience in handling AML/FRAUD applications like ACTIMIZE, CASE MANAGEMENT tools, etc.
  • Good exposure in handling vendors in multiple projects with cross platform technologies like Informatica, MS.NET, OBIEE, UNIX, Mainframe - DB2 etc.
  • Good experience in Job scheduling tools like CA7, Autosys, Tivoli.
  • Good experience in ITIL Process.
  • Good experience in change management, incident management and problem management methodologies and also part of CAB team defining the process as per ITIL methodologies.
  • Good experience in defining the new process as per business requirement to support the applications.

TECHNICAL SKILLS

DW Tools: Informatica Power Centre 7x and 8x, 9x, OBIEE

DataModeling Tools: ERWin, TOAD Data Modler

BigData: Hadoop, HIVE, SQOOP, MR

RDBMS: Oracle, DB2, SQL Server, Ms-Access

Programming Languages: C#.NET, UNIX Shell Script, Batch Script

Scheduling Tools: CA7, AUTOSYS, TIVOLI

Operating Systems: Windows NT/2000/XP, MS-DOS, UNIX

Tools: & Utilities: PUTTY, VSS, Service Center 6.2, SM9, HPSA, Service Now

Web Related: ASP.Net, HTML, XML

Server: WAS, IIS, MOSS

PROFESSIONAL EXPERIENCE

Confidential, McLean, VA

ETL Sr - Developer

Environment: Informatica-9.6, UNIX,AUTOSY,ORACLE,SQL SERVER-2008,FlatFiles,DB2

Responsibilities:

  • Involved in analysis, LLD, HLD and documentation of mapping specs as per business rules.
  • Creating inforamatica mappings as per business requirements. developing SCD type 2, type 1 mappings using informatica.
  • Prepare test strategy and Test Directories
  • Developed UNIX scripts to handle source files.
  • Developed AUTOSYS JIL scripts to manage informatica workflow jobs
  • Performed UNIT Testing on developed mappings
  • Extensively used CDC on real time data.
  • Extensively used Sql server Database from source and target.
  • Participate in review of test document for the end-to-end testing
  • Prepare project status reports for the work carried out
  • Collect and reporting metrics on end-to-end testing.
  • Involved in low-level design and developed various jobs and performed data loads and transformations using different transformation of INFORMATICA.
  • Experienced in ETL auditing process.
  • Used most of the transformations such as Source Qualifier, Filter, Joiner, Sequence Generator, Expression, Aggregator, Connected & Dynamic Lookup, Rank, Router, and Update Strategy, SQL Transformation, etc.
  • Scheduled the Informatica Workflows as per user requirement by using AUTOSYS scheduling tool.
  • Performance tuning has been done to increase the through put for both mapping and session level and SQL Queries Optimization as well.
  • Experienced in deploying the code into releasing folder and placing it into Build and troubleshooting the build issues.
  • Involved in unit testing to test the processed data and user acceptance testing.
  • Experienced in troubleshooting and fix the different Development/Production environment issues.
  • Involved in environment creation of metadata manager.
  • Involved in recycle Repository, integration services and creation of automated scripts for deployment using pmrep command.
  • Involved in Workflow, Mapping deployment by using deployment group from Dev to UAT and UAT to Quality and production Repositories.
  • Experienced in writing Uniting Test Cases with multiple scenarios.
Confidential

ETL Technical Lead

Environment: Informatica-9.6, OBIEE, Oracle11g,ERWin, TOAD Data Modeler, UNIX, Mainframe-DB2, MS.Net, WAS, HDFS

Responsibilities:

  • Involved in analysis, LLD, HLD and documentation of mapping specs as per business rules.
  • Involve in understanding test requirements
  • Prepare test strategy and Test Directories
  • Participate in test case development and execution
  • Participate in test results document preparation for the project
  • Participate in bug reporting and tracking for the project
  • Performed ETL data loading into OBIEE Environment.
  • Loading the data into HIVE
  • Extensively used CDC on real time data.
  • Extensively used Sql server Database from source and target.
  • Participate in review of test document for the end-to-end testing
  • Prepare project status reports for the work carried out
  • Collect and reporting metrics on end-to-end testing.
  • Involved in low-level design and developed various jobs and performed data loads and transformations using different transformation of INFORMATICA.
  • Experienced in ETL auditing process.
  • Used most of the transformations such as Source Qualifier, Filter, Joiner, Sequence Generator, Expression, Aggregator, Connected & Dynamic Lookup, Rank, Router, and Update Strategy, SQL Transformation, etc.
  • Scheduled the Informatica Workflows as per user requirement by using AUTOSYS scheduling tool.
  • Performance tuning has been done to increase the through put for both mapping and session level and SQL Queries Optimization as well.
  • Experienced in deploying the code into releasing folder and placing it into Build and troubleshooting the build issues.
  • Involved in unit testing to test the processed data and user acceptance testing.
  • Experienced in troubleshooting and fix the different Development/Production environment issues.
  • Involved in environment creation of metadata manager.
  • Involved in recycle Repository, integration services and creation of automated scripts for deployment using pmrep command.
  • Involved in Workflow, Mapping deployment by using deployment group from Dev to UAT and UAT to Quality and production Repositories.
  • Experienced in writing Uniting Test Cases with multiple scenarios.

Confidential

Sr. Analyst

Environment: Informatica-9.1,Hadoop-hiave,sqoop,Oracle11g,UNIX,DB2,OBIEE 11g, ERWin

Responsibilities:

  • Involved in gathering and analyzing requirements, prepared Technical Design document and Source - Target Mapping docs and presented to BU team to finalize and get sign off
  • Worked on project plan to define the efforts and estimations tasks.
  • Designed and Developed the Batch and Incremental ETL process i.e., Mappings &Mapplets using various Transformations and Workflows with Sessions / Tasks.
  • Worked as a Senior ETL Lead for onsite/offshore model and leading a team
  • Participate in test results document preparation for the project
  • Participate in bug reporting and tracking for the project
  • Technical consultant for the team to provide optimal solutions, design reviews, code reviews and for any issues
  • Provided inputs to Project Stakeholders and Data Architects to accomplish the design of the project
  • Conducted design and review meetings to get design approval from different stake holders in the project
  • Involved in planning, effort tracking and estimations for the project
  • Extensively used Sql server Database from source and target.
  • Participate in review of test document for the end-to-end testing
  • Prepare project status reports for the work carried out
  • Collect and reporting metrics on end-to-end testing.
  • Scheduled the Informatica Workflows using CA7 scheduler tool
  • Performance tuning has been done to increase the through put for both mapping and session level and SQL Queries Optimization as well.
  • Experienced in deploying the code into releasing folder and placing it into Build and troubleshooting the build issues.

Confidential

Environment: Informatica8.6,OBIEE,MS.NET, DB2, Oracle10g, UNIX, Detica Front end

Responsibilities:

  • Requirement gathering for enhancements.
  • Review HLD & LLD documents based on business requirements.
  • Supported AML investigation requirements.
  • Conducted monitoring of AML exception reports.
  • Developing mappings, workflows as per the requirement.
  • Handling High priority and criticality incidents.
  • Handling work requests and project requests.
  • Provided backup liaison with business and IT.
  • Understanding the functionality of the application from the business prospective.
  • Monitoring and maintaining the scheduled jobs.
  • Providing 24x7 support.
  • Resolving the issues within the SLA time to avoid business loss.
  • Managing critical recovery call.

Confidential

Informatica - Team member

Environment: Informatica Power Center 8.6, SAP-ABAP, SQL, Oracle9i, UNIX, TOAD, PUTTY, EDIT PLUS, HPSD 4.5

Responsibilities:

  • Understanding the Business rules completely and implemented data transformation methodologies, Involved in designing the E.T.L mapping documents.
  • Involved in the mapping with a slowly changing dimension Type2 to keep track of historical data.
  • Involved in developing Mapplets, Mappings and Transformations as per the requirements.
  • Extracting data from different relational databases, Flat files using Informatica Power Center.
  • Analyzing the issues and resolve with the scheduled time to avoid SLC.
  • Creating Various Transformations like Interpreter, Preparer, Expression, Aggregator, Rank, Joiner, Sequence Generator, Lookup, and Update Strategy etc.

Confidential

Informatica-Developer

Environment: Informatica Power center 8.1, SQL Server 2005, UNIX, PUTTY, Service Center 6.5

Responsibilities:

  • Understanding the Business rules completely and implementing data transformation methodologies Involved in designing the E.T.L mapping documents.
  • Involved developing Mapplets, Mappings and
  • Extracting data from different relational databases, Flat files using Informatica Power Center.
  • Creating Various Transformations like Expression, Aggregator, Rank, Joiner, Sequence Generator, Lookup, and Update Strategy, etc.

Confidential

Team Member

Environment: Informatica Power Center 8.1, Oracle 8i, Unix, Putty, Toad

Responsibilities:

  • Analyzed the existing OLTP system.
  • Transforming existing data from Source database to Target database (Oracle).
  • Performed data cleansing and transformation using Informatica.
  • Developed Mapplets, Mappings and Transformations.
  • Scheduled sessions to update the target data using Informatica Workflow Manager.

Confidential

Team Member

Environment: ASP.Net, C#.Net, Server-2000, Tools: SQL Profiler; O/s: Windows-2000

Responsibilities:

  • Involved in developing the business logic layer and design the presentation layer.
  • Involved in Application maintenance and enhancement.
  • Involved in preparing the test cases and test scripts.
  • Testing - unit testing
  • Representing Weekly & Monthly Client meetings from Offshore.

Confidential

Team Member

Environment: Asp.Net 2.0, C#.Net, Sql Server - 2000, VSS, HTML

Responsibilities:

  • Involved in requirement gathering and preparing the document
  • Developing the Application Layer and Business logic layer.
  • Interaction with the client
  • Testing - unit testing

We'd love your feedback!