Etl/informatica Developer Resume
Charlotte, NC
SUMMARY:
- 8+ years of experience in Data Warehousing/Integration using ETLTool InformaticaPower Center 9.5.6/8.6.1/7.1.2 across the business areas such as Healthcare and Banking
- Extensive experience in using Informatica Power Center to carry out the Extraction, Transformation and Loading process
- Create clear and concise epics/stories using JIRA as tracking tool.
- Extensive experience with ETL/SSIS tool Informatica in designing and developing complex Mappings, Mapplets, Transformations, Workflows, Worklets, and scheduling the Workflows and sessions. Extensive experience in Workflow Manager and Workflow Monitor and scheduling ETL/SSIS jobs in Informatica.
- Worked with Informatica Data Quality 9.x (IDQ) Developer for data cleansing, data matching, data conversion, exception handling and monitoring capabilities.
- Experienced in integration of various data sources like Oracle 11g/10g, MS SQL Server 2012/2008 and Flat Files into staging area.
- Created High level, low level design documents, ETL/SSIS specification documents,Data modeldocumentand test casesdocument.Responsible for creating/quantifying Agile epics, stories and assigned tasks for the team on RTC.
- Slowly Changing Dimensions Management including Type 1, 2, 3, Hybrid Type 3, De - normalization, Cleansing, Conversion, Aggregation, Performance Optimization
- Worked on non-relational sources like Flat Files and used secure FTP.
- Worked on Oracle PL/SQL programming, Stored Procedures, Creating Triggers and Sequence Generator on the Target Table.
- Building a proof-of-concept stand-alone scheduler using AngularJS. Assisting in the implementation of JIRA, logging epics, stories and assigning tasks.
- Experience in installation and configuration of core Informatica MDM Hub components such as Hub Console, Hub Store, Hub Server, Cleanse Match Server and Cleanse Adapter in Windows.
- Expertise in working with various operational sources like Oracle, Teradata, DB2, SQL Server 2005/2008, Flat files, Netezza into a staging area.
- Ability to deliver comprehensive Business Intelligence through integration of BI suite of products (SSIS, SSAS, SSRS) including MS solutions like MS EXCEL 2007/2010, Microsoft Office
- Expert in writing SQL, PL/SQL Stored procedures using Toad. Experience with Teradata utilities FastLoad, MultiLoad, BTEQ scripting, Fast Export, SQL Assistant, T-PUMP.
- Knowledge on implementing hierarchies, relationships types, packages and profiles for hierarchy management in MDM Hub implementation .
- Excellent hands-on MDM, IDQ, Data Transformation.
- Worked on Performance Tuning Informatica Targets, Sources, Mappings and Sessions.
- Experience in developing Informatica Reusable components for using them across the projects.
- Extensively worked with Informatica Mapping Variables, Mapping Parameters and Parameter Files.
- Experienced in UNIX work environment, File Transfers, Job Scheduling and Error Handling..
- Hands on experience in resolving the production issues in 24/7 environment.
- Proficient in creating Use Cases, Use case diagrams, Workflow Diagrams, Sequence Diagrams, and Class Diagrams;Epics and User stories.
- Outstanding communication and interpersonal skills, ability to learn quickly, good analytical reasoning and high compliance to new technologies and tools
- Strong Experience in various Extracting, Transforming and Loading ETL/SSIS data flow ETL/SSIS using SSIS.
- Created SSIS Templates for developing SSIS Packages that can be dynamically deployed into development, Testing and Production Environments
TECHNICAL SKILLS:
Data Warehousing: Informatica Power Center 9.5.6/9.5.1/9.1.0/8.6.1/8.5.1/7.1.2
Data Modeling: Dimensional Data Modeling, ETL/SSIS, EPICS, FACT and Dimensions Tables, Physical and Logical Data Modeling.
Databases: Oracle 11g,10g/9i/8i, Teradata v14/15, MS SQL Server 2008/2005, DB2, SQL, PL/SQL, SQL*Plus, SQL*Loader, TOAD, Netezza, SQL*plus, Mongo DB, Data Management tool.
Programming: Java, C, C++, XML, HTML, Java Script, JSP, UNIX Shell Scripting, SQL, PL/SQL, Batch Scripting.
Environment: UNIX, Windows XP/Vista, Linux, Windows 2007 Professional
PROFESSIONAL EXPERIENCE:
Confidential, Charlotte, NC
ETL/Informatica Developer
Responsibilities:- Extensively involved in almost all the phases of Project Life Cycle (SDLC) right from Requirements Gathering to Testing and Implementation etc.
- Learned the company’s EDW architecture which consists of sources, middleware, staging area, data warehouse, and reporting tools.
- Implemented Exception Handling Mappings by using Data Quality, data validation by using Informatica Analyst.
- Proficient in creating Use Cases, Use case diagrams, Workflow Diagrams, Sequence Diagrams, and Class Diagrams;Epics and User stories.
- Proficient in Informatica Data Quality (IDQ) 9.6.0.
- Experienced in Bad Record Exception management using IDQ rules and workflows
- Successfully used Agile/Scrum Method for gathering requirements and facilitated user stories workshop. DocumentedEpics, Features andUser Stories and facilitated Story Point discussions to analyze the level of effort on project specifications.
- Created mappings in Informatica Developer (IDQ) using Parser, Standardizer and Labeler, Exception, Merge Transformations.
- Interacted with business analyst, ETL team lead, and data base admin to gather information and to collect business requirements to develop Informatica Mappings.
- Implemented Change Data Capture using Informatica Power Exchange 9.1.
- Designed, developed Informatica Power Center 9.5 mappings to extract, transform and load the data into Oracle 11g target tables.
- Designed faster to market technical solutions and Lead as Architect by collaborating with interfacing teams to define the POA and PON from the EPICS, in order to finalize release scope.
- Extensively worked on Informatica tools like source analyzer, mapping designer, workflow manager, workflow monitor, mapplets, worklets and repository manager.
- Used Type 1 SCD and Type 2 SCD mappings to update slowly Changing Dimension Tables
- Used Debugger in Informatica Power Center Designer to check the errors in mapping.
- Created test cases and completed unit, integration and system tests for Data warehouse.
- Wrote SQL, PL/SQL, stored procedures for implementing business rules and transformations.
- Involved in Performance tuning for sources, targets, mappings, sessions and server.
- Uses Teradata SQL Assistant to develop queries and access data base objects
- Develops Teradata BTEQ scripts to populate target tables.
- Develops SQL scripts and ad-hoc queries for data verification during Unit Testing phase of the SDLC.
- Closely moved with the Micro strategy reporting team and helped them to get the data for creating report.
- Worked on agile methodology.
- Prepared an ETL technical document maintaining the naming standards.
- Created deployment groups in one environment for the Workflows, Worklets, Sessions, Mappings, Source Definitions, Target definitions and imported them to other environments.
Environment: Informatica PowerCenter 9.5, Informatica Power Exchange 9.1, Informatica IDQ 9.6,Informatica Analyst, IDD/BDD, Oracle 11g, PL/SQL, SQL, Flat Files, TOAD, Teradata 14.Unix, SQL Server 2012.
Confidential, Hopkins, MN
ETL/Informatica Developer
Responsibilities:- Worked with end users to understand the Business Requirements, Designing the Workflow, Implementing and Supporting on ongoing basis.
- Expert in writing SQL, PL/SQL Stored procedures using Toad. Experience with Teradata utilities FastLoad, MultiLoad, BTEQ scripting, Fast Export, SQL Assistant, T-PUMP.
- Experienced on writing SQL statements and analyzing SQL performance.
- Ability to work in teams.
- Configured and installed Informatica MDM Hub server, cleanse, resource kit, and Address Doctor.
- Planned, created, and executed SSIS packages to integrate data from varied sources like Oracle, DB2, flat files and SQL databases and loaded into landing tables of Informatica MDM Hub.
- Deployed new MDM Hub for portals in conjunction with user interface on IDD application.
- Worked on integrating Hierarchies created in MDM Hub Console and IDD.
- Designed data transformation from staging to fact and dimension tables in the warehouse.
- Loaded data to the interface tables in oracle from multiple data sources using informatica.
- Implemented Aggregator, Filter, Joiner, Expression, Lookup, Normalizer and Update Strategy transformations.
- Extensively worked on the performance tuning of the Informatica Power Center Mappings as well as the tuning of the sessions.
- Implemented variables and parameters in transformations to calculate billing data. customizing/configuring Business Data director (BDD)/Informatica data director (IDD)applications.
- Created sessions, sequential and concurrent batches for the mappings using Workflow Manager.
- Writing stored procedures, functions and packages to implement business logic
- Worked on different utilities of Teradata like fast load, M-load, T-pump and Fast export.
- Developing, executing & monitoring Autosys (Process Scheduler) jobs.
- Wrote services to store and retrieve user data from the MongoDB for the application on devices.
Environment: Informatica PowerCenter 9.1, Flat Files, Autosys, Informatica Multi-domain MDM 9.7.1, HP ALM (Application Lifecycle Management), Win SCP, Teradata v13, MongoDB.
Confidential
ETL/Informatica Developer
Responsibilities:- Analyzed functional specification documents and worked closely with the various application teams and functional teams to design Technical specification documents.
- Studied the data requirements and the impact analysis on the existing schema.
- Participated in the review meetings with functional team to signoff the Technical design document.
- Written Unix Shell Scripts to schedule the informatica jobs using PMCMD command.
- Created various active and passive transformations to support voluminous loading of data target table using Informatica PowerCenter.
- Designed reusable transformations and mapplets.
- Mapped the source and target databases by studying the specifications and analyzing the required Business logic.
- Responsible for optimizing the ETL mappings and monitoring the load process in order to check the data.
- Involved in identifying surrogate keys for the fact table.
- Defined data definitions, and created target tables in the database.
- Written PL/SQL Procedures, Function and Packages to perform database operations and pre & post session commands.
- Prepared User documentation to train users and functionality of each report.
Environment: Informatica PowerCenter 8.6.0, Oracle 10g, PL/SQL, Toad, UNIX, HP Quality Control, Service Now.
Confidential
ETL Developer
Responsibilities:- Developed ETL procedures that is consistent across all application and systems.
- Created Folders using Informatica PowerCenter Repository Manager to store Source, Target, Transformations, Mapplets and Mappings Meta Data Information.
- Worked on Informatica tools like Source Analyzer, Target Analyzer, Mapping Designer, Mapplet Designer and Transformation Developer.
- Developed and modified complex SQL Queries and Stored Procedures as per business requirements.
- Performed tuning of sessions in Target, Source, Mappings and Session areas.
- Normalized the tables to minimize redundancy and dependency.
- Created Indexes to speed up the queries.
- Creating Technical Specifications and Mapping Documents.
Environment: Informatica PowerCenter 8.1, Oracle 10g, SQL, Jira, LINUX/UNIX.