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Informatica Etl/mdm Developer Resume

SUMMARY

  • Overall8years of Software Life Cycle experience in System Analysis, Design, Development, and Implementation, Maintenance, and Production support of Data Warehouse Applications.
  • Extensive experience with Informatica Power Center 10.x,9.x,8.x, 7.x IDQ 10.2.1/9.0.1/8.6 ,MDM 10.3,B2B,PCF, node js, Teradata, SQL server and oracle databases
  • Worked on various domains including Healthcare,Insurance, Finance domains
  • Expertise in working with Informatica Designer,Informatica developer, Informatica MDM Work Flow Manager, Work Flow Monitor, Source Analyzer, Target Designer, Transformation Developer, Mapplet Designer, Mapping Designer, Workflow Designer, Task Developer, Worklet Designer, Gant Chart, Task View,Mappings, Workflows, Sessions, Re - usable Transformations, Shortcuts, Import and Export utilities.
  • Experience in integration of various data sources with Multiple Relational Databases like Oracle, Teradata, SQL Server and Worked on integrating data from flat files like fixed width, delimited, CSV, HL7 (health level) andEPIC .EXT Files
  • Good knowledge of Data warehouse concepts and principles (Kimball/Inman) - Star Schema, Snowflake, Data Vault, Oracle Designer and modeling tools like Erwin and Visio,SCD,Surrogate keys, Normalization/De normalization.
  • Analysis, estimations, Design, Construction, Unit and System Testing and implementation.
  • Extensive Knowledge in designing functional and detailed design documents for data warehouse development
  • Experience in ActiveVOS workflow design, creation of Human task Extensive experience in MDM 10. x with IDQ and ActiveVOS 9. 2.
  • Experience in managing ActiveVOS Central Setup Identify Service on ActiveVOS Console
  • Good Knowledge on ActiveVOS Error and Fault handing, Event Handling, Gateway, Control Flow
  • Understanding of Monitoring Services (Process, Task, Server) Schedule ActiveVOS Automatic Processes
  • Worked on IDQ tools for data profiling, data enrichment and standardization.
  • Experience in development of mappings in IDQ to load the cleansed data into the target table using various IDQ transformations. Experience in data profiling and analyzing the scorecards to design the data model
  • Experience on creating Column Profiling, Rule Profiling, Mid-stream Profiling, Score Cards, Decision Task, Reference Tables, DQ Tables, Notification task as a part of workflow and deploying them.
  • Imported the IDQ address standardized mappings into Informatica Designer as a Mapplets
  • Expertise in designing and developing Informatica Data Quality transformations/rules like Address validator, Parser, Labeler, Match, Exception, Association, Standardizer and other significant transformations
  • Experience in Data Modeling, Star Schema, Snowflake Schema, Slowly Changing Dimensions, Fact tables, Dimension tables, Normal forms, OLAP and OLTP systems.
  • Good explore in Informatica DVO for test the data validation by write SQL queries source and Target database and schedule tasks and reporting test result.
  • Experience in the integration of various data sources such as Oracle, SQL Server, Sybase, Teradata, DB2, XML Files and Flat files.
  • Two B2B Projects - DT/DX (Data Transformation Studio), Data Transformation Accelerator, Data Format Transformation Library, Data Transformation Engine and full integration with Power center
  • Design MDM architecture solutions, complex match rules, complex custom survivorship rules which cannot be handled out-of-the box MDM tool to determine best version of truth (BVT) aka Golden Record and reusable framework
  • Experience in making API, web service calls to third party vendors by integrating with node js and PCF .
  • Developed E2E process for design and developing real time process to users to insert records directly into MDM schema.
  • Configure Base objects, Match Rules, Merge Rules, Trust Settings, Stage, Landing tables, Queries, Packages, Validation rules, mappings, Hierarchies using Informatica MDM Multi-Domain Hub. Build Informatica Data Director (IDD) UI application for data steward to strategize stewardship functionality and Entity 360 view by providing governance on role based specific operations
  • Vast experience in Designing and developing complex mappings from varied transformation logic like Unconnected and Connected lookups, Source Qualifier, Router, Filter, Expression, Aggregator, Joiner, Update Strategy, Data Transformation Services etc
  • Extracted Data from multiple operational sources of loading staging area, Data Warehouse and data marts using CDC/ SCD (Type1/Type2) loads.
  • Experience in PL/SQL Programming (Stored procedures, Triggers, Packages) using Oracle and have a good knowledge in Sybase.

TECHNICAL SKILLS

Operating System: UNIX, Linux, Windows

Programming and Scripting: C, C++, Java,.Net, Perl Scripting, Shell Scripting, XSLT, PL/SQL, T-SQL.

Specialist Applications & Software: Informatica MDM(10.3,10.2,10.1),Informatica Power Center/ 10.1 10/9.6.1/9.5/9.1/8.6/8.1/7.1 , Informatica Power Exchange, Metadata Manager, Informatica Data Quality (IDQ), Informatica Data Director (IDD), Customer C360, MDM, SSIS, Salesforce, DataStage, etc.

Data Modeling (working knowledge): Relational Modeling, Dimensional Modeling (Star Schema, Snow-Flake, FACT, Dimensions), Physical, Logical Data Modeling, and ER Diagrams.

Databases tools: SQL Server Management Studio (2008), Oracle SQL Developer (3.0), Toad 11.6 (Oracle), Teradata, AQT v9 (Advanced query tool) (Oracle/Netezza), DB Artisan 9.0 (Sybase), SQL Browser (Oracle Sybase), Visio, ERWIN

Scheduling tools: Informatica Scheduler, CA Scheduler(Autosys), ESP, Autosys Control-M

Conversion/Transformation tools: Informatica Data Transformation, Oxygen XML Editor (ver.9, ver.10)

Software Development Methodology: Agile, Water fall.

Domain Expertise: Publishing, Insurance/Finance, HealthCare

Others (working knowledge on some): OBIEE RPD creation, OBIEE Reports, ECM, Informatica Data Transformation XMAP, DAC, Rational Clear Case, WS-FTP Pro, DTD.

RDBMS: SQL, SQL*Plus, SQL*Loader, Oracle11g/10g/9i/8i, Teradata, IBM DB2,MS SQL Server 2000/2005/2008 , MS Access 7.0/2000.

Data Governance Tool: Collibra

PROFESSIONAL EXPERIENCE

Confidential

Informatica ETL/MDM Developer

Responsibilities:

  • Worked with DBA’s and Informatics admins for server size estimation and informatica tool installation.
  • Worked with Informatica Data Quality (IDQ) toolkit, Analysis, data cleansing, data matching, data conversion.
  • Worked extensively on Informatics mappings to load data from various sources to final target tables based on the business logic.
  • Designed web services applications for name standardization and for inserting records through real time
  • Create Realtime RESTFUL PUT, POST, GET method API calls called as Business Entity Services that exposes a master entity out from MDM to enable realtime integration of application to MDM using Provisioning Tool and also enable smart search using Solr Fuzzy Search.
  • Configured Informatica Data Director(IDD); design workflow customizations for Data Stewards
  • Configured administrative activities related to MDM platform including but not limited to MDM hub, Process Server, Active VOS, Provisioning and IDD/C360 UI.
  • Configured C360 view to display the data of the root node of the composite objects
  • Configure near realtime capability, configure triggers and components against specific sources and events to publish message queues to RabbitMQ to publish a Master record changed message in json format
  • Used Metadata manager for validating, promoting, importing and exporting repositories from development environment to testing environment.
  • Involved with Data Steward Team for designing, documenting and configuring Informatica Data Director for supporting management of MDM data.
  • Identified Golden Record (BVT) for Customer Data by analyzing the data and duplicate records coming from different source systems.
  • Helped the testing team for data integrity and consistency.
  • Defined and configured schema, staging tables, and landing tables, base objects foreign-key Relationships, look up systems and tables, packages, query groups and queries/custom queries.
  • Defined the Trust and Validation rules and setting up the match/merge rule sets to get the right master records
  • Used Hierarchies tool, for configuring entity base objects, entity types, relationship base objects, relationship types, profiles, put and display packages and used the entity types as subject areas in IDD.
  • Designed the Informatica master data C360 processes, C360 Model objects, Entities, etc
  • Implemented the C360 product functionality to support MDM application design within SFDC
  • Configured C360 application configuration for Customer objects
  • Worked with offshore teams to design and develop/configure C360 functionality
  • Created Jenkins and UCD process for automatic code deployment to higher environments
  • Successfully implemented IDD using hierarchy configuration and created subject area groups, subject areas, subject area child, IDD display packages in hub and search queries.
  • Deployed new MDM Hub for portals in conjunction with user interface on IDD application.
  • Defined the Trust and Validation rules and setting up the match/merge rule sets to get the right master records.
  • Worked on java script and node js to deploy applications in PCF to communicate to third party vendors
  • Extensively worked on E2E flow of data from IDQ to MDM and generating BVT using validation rules and survivorship
  • Created complex mappings for the retro activity requirements from client.
  • Designed automation process to handle production data issue using scripts and sqlqueries,and come up with the best approach to increase the performance of process
  • Created webservice calls,restapi calls from Informatica developer to communicate with cloud data and real time insert/update call to insert data into MDM directly
  • Design trust settings, design java user exits, Security and Privileges along with roles and groups, design data model for MDM by interacting with solution and portfolio architects to establish common framework based solutions using Informatica MDM Multi-Domain Hub.
  • Developed database triggers, functions, stored procedures, packages, Materialized Views and Ref cursors using Oracle PLSQL
  • Used debugger in identifying bugs in existing mappings by analyzing data flow, evaluating transformations.
  • Extensively worked on Labeler, Parser, Key Generator, Match, Merge, and Consolidation transformations to identify the duplicate records.
  • Good Debugging skills and good at using Exceptions and Error Handling.
  • Worked with Shortcuts across Shared and Non Shared Folders
  • Involved in implementing the Land Process of loading the customer/product Data Set into Informatica MDM from various source systems.
  • Performed land process to load data into landing tables of MDM Hub using external batch processing for initial data load in hub store.
  • Involved in deployment of IDQ mappings to application and to different environments
  • Preparation of UTP (Unit Test Plan) with all required validations and test cases.
  • Responsible for testing and validating the Informatica mappings against the pre-defined ETL design standards.
  • Created various tasks like sessions, decision, timer & control to design the workflows based on dependencies
  • Involved in production support.

Environment: Informatica Data Quality 10.2,Informatica Power Center 10.2,Informatica MDM 10.3, IDD, C360,oracle 12g, MS SQL Server 2012, SQL, PL/SQL,Scripts,nodejs, PCF, java script,Jenkins,UCD.

Confidential - Pittsburgh

Informatica ETL/MDM Developer

Responsibilities:

  • Involved in the complete end-to-end flow of SDLC.
  • Working closely with business analysts and data analysts to understand and analyze the requirement to come up with robust design and solutions.
  • Working on IHAA (Informatica Healthcare Analytics Accelerator).
  • Involved in requirement analysis, ETL design and development for extracting data from the heterogeneous source systems like EPIC,Cerner,Medicare and loading into Staging and Enterprise Data Vault
  • Designed, documented and configured the Informatica MDM Hub to support loading, cleansing of data.
  • Involved in implementing the Land Process of loading the customer/product Data Set into Informatica MDM from various source systems.
  • Worked on data cleansing and standardization using the cleanse functions in Informatica MDM.
  • Developed ETL programs using Informaticato implement the business requirements.
  • Developed several IDQ complex mappings in Informatica a variety of Power Center, transformations, Mapping Parameters, Mapping Variables, Mapplets& Parameter files in Mapping Designer using Informatica Power Center.
  • Experience in ActiveVOS workflow design, creation of Human task Extensive experience in MDM 10. x with IDQ and ActiveVOS 9. 2.
  • Experience in managing ActiveVOS Central Setup Identify Service on ActiveVOS Console
  • Worked on extracting data from the heterogeneous source systems like MS SQL Server, Oracle, HL7 Files and loading into Landing Layer and then to Data Warehouse
  • Involved in standardization of Data like of changing a reference data set to a new standard.
  • Data if validated from third party before providing to the internal transformations should be checked for its accuracy (DQ).
  • Worked on Active batch jobs scheduling automation to monitor, and orchestrate automated processes that span the data center, IT operations and infrastructure, business applications.
  • Configure Base objects, Match Rules, Merge Rules, Trust Settings, Stage, Landing tables, Queries, Packages, Validation rules, mappings, Hierarchies using Informatica MDM Multi-Domain Hub. Build Informatica Data Director (IDD) UI application for data steward to strategize stewardship functionality and Entity 360 view by providing governance on role based specific operations. Build Autosys jobs and Unix shell
  • Filtered XML claims files by using filter conditions on D9 segment and converted back the filtered claims xml files to EDI format using serializer in B2B data transformation.
  • Led B2B structured and unstructured transformations that included: resolving end user problems, training on B2B transformations and resolving system failures.
  • Modified the 834 file and then checked if the eligibility enrollment is properly loaded onto Facets.
  • Worked closely with different EDI transaction file like 837, 834, 835 to understand the source structure and the source data pattern.
  • Created Pre/Post Session/SQL commands in sessions and mappings on the target instance.
  • Responsible for creating Workflows and sessions using Informatica workflow manager and monitor the workflow run and statistic properties on Informatica Workflow Monitor.
  • Implemented various loads like Daily Loads, Weekly Loads, and Quarterly Loads using Incremental Loading Strategy.
  • Created Audit, Control and batch tables to monitor load process on user requests.
  • Involved in massive data profiling using IDQ (Analyst tool) prior to data staging.
  • Created profiles and score cards for the users using IDQ.
  • Created Technical Specification Documents and SolutionDesign Documents to outline the implementation plans for the requirements.
  • Involved in testing of Stored Procedures and Functions, Unit and Integrating testing of Informatica Sessions, Batches and the Target Data.
  • Involved in massive data cleansing prior to data staging from flat files.
  • Responsible for developing, support and maintenance for the ETL (Extract, Transform and Load) processes using Informatica Power Center 9.6 by using various transformations like Expression, Source Qualifier, Filter, Router,Sorter, Aggregator, Update Strategy, Connected and unconnected look up etc.
  • Implemented slowly changing dimensions Type 2 using ETL Informatica tool.
  • Created Informatica components required to operate Data Quality (Power Center required)
  • Designed best practices on Process Sequence, Dictionaries, Data Quality Lifecycles, Naming Convention, and Version Control.
  • Created Use-Case Documents to explain and outline data behavior.
  • Developed scripts for creating tables, views, synonyms and materialized views in the datamart.
  • Involved in designing and developing logical and physical data models to best suit the requirements.
  • Working with Informatica Developer (IDQ) tool to ensure data quality to the consumers.
  • Used Address validator transformation for validating various customers address from various countries by using SOAP interface
  • Converted business requirements into highly efficient, reusable and scalable Informatica ETL processes.
  • Created mapping documents to outline source-to-target mappings and explain business-driven transformation rules.
  • Data if sourced from database that has valid not null columns should not undergo DQ check for completeness.
  • Worked on T-SQL programming, stored procedures, user-defined functions, cursors, views setup and management of linked servers to Non-SQL-Server databases for initial loads.
  • Designed mappings to read data from various relational and file source systems such as SQL Server, flat files and XML files.

Environment: Informatica Power Center 9.6.1,MDM 9.6.1,IDQ,B2B, DT/DXT-SQL, PLSQL, TOAD, AIX, Windows NT/XP, XML file sources, ERWIN 4, MS Visio, Remedy.

Confidential

Software Developer

Responsibilities:

  • Designed the ETL processes to migrate the existing ETL process from ODI (Oracle Data Integrator) to Informatica power center 9.1 and to load data from Oracle, Teradata sources, flat files to the Enterprise Data Warehouse.
  • Extensively worked with the business and data analysts in requirements gathering and to translate business requirements into technical specifications.
  • Created source and Target Definitions, Reusable transformations, mapplets and worklets.
  • Created Mappings and extensively used transformations like Source Qualifier, Filter, Update Strategy, Lookup, Expression, Router, Joiner, Normalizer, Aggregator and Sequence Generator, Web services Consumer.
  • Built a re-usable staging area in Teradata for loading data from multiple source systems using template tables for profiling and cleansing in IDQ
  • Created profile and scorecards to review data quality.
  • Actively involved in Data validations and unit testing to make sure data is clean and standardized before loading in toMDM landing tables.
  • Actively involved in Exceptional handling process in IDQ Exceptional transformation after loading the data in MDM and notify the Data Stewards with all exceptions.
  • Developed Source to Staging and Staging to Dimension mappings.
  • Developed Source to Staging and Staging to Fact mappings
  • Extracted the data from the flat files, CSV files and other RDBMS databases like Teradata and Oracle into staging area and populated onto Data warehouse.
  • Developed number of complex Informatica mappings, Mapplets, reusable transformations to implement the business logic and to load the data from DW to Responses feeds engine(RFE).
  • Worked on Hadoop Job Client utilities and integrated them into monitoring system.
  • Extensively worked on trouble shooting the installation issues and admin console configuring issues.
  • Worked on Autosys scheduling tool for scheduling ETL jobs.
  • Created sessions, configured workflows to extract data from various sources, transformed data, and loading into data warehouse.
  • Used Workflow manager for session management, database connection management and scheduling of jobs to be run in the batch process.
  • Monitor and troubleshoot batches and sessions for weekly and Monthly extracts from various data sources across all platforms to the target database.
  • Created data quality indicators for the bad source rows/records and assigned different numbers to track down each source.
  • Involved in Performance tuning at source, target, mappings, sessions, and system levels.
  • End to end testing of data extracts that includes sanity checks, integration testing if multiple extracts for single system, data/schema testing.
  • Resolving gaps, questions, issues on the test extracts provided.
  • Track and plan for future IT enhancements/changes/deliverables that will impact data extracts.

Environment: Informatica Power Center 8.1,IDQ, MDM ODI, Erwin, UNIX, Oracle, Teradata, Autosys.

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