Senior Dw/bi Consultant Resume
San Rafael, CA
PROFESSIONAL SUMMARY:
- 9 years of IT experience in Informatica Developer with complete software development life cycle including requirement gathering, analysis, design, development, implementation and maintenance of Data warehousing applications.
- Extensive experience DW/BI, BIAPPS &MDM technologies.
- Experience with implementing ETL solutions using Informatica Power Center & Informatica Cloud.
- Experience in all phases of development including Extraction, Transformation and Loading (ETL) data from various sources into Data Warehouses/Data Marts using PowerCenter Components.
- Hands on experience with Informatica Cloud & Informatica Cloud MDM.
- Very good knowledge in data warehouse designs using Star Schema and Snow Flake Schema Architectures, Fact and Dimension Tables, OLTP and OLAP applications.
- Various kinds of the transformations were used to implement simple and complex business logic. Transformations used are: Stored Procedure, Connected & Unconnected Lookups, Router, Expressions, Source Qualifier, Aggregators, Filters, Sequence Generator, Slowly Changing Dimension.
- Hands on experience with Informatica IDQ rules to Cleanse, Standardize and Deduplication.
- Worked on Address Doctor to Standardize Address data in different formats
- Used Debugger in the Mapping Designer to troubleshoot logical errors.
- Knowledge on Data stage.
- Experience in Informatica Administration activities and best practices.
- Experience in writing on - demand LINUX shell scripts for automation of ETL process.
- Worked on Test Scripts, Test Cases to perform Unit testing, System Testing and Load testing.
- Experience in SQL Fine Tuning Queries for better performance with large volume of data.
- Hands on experience with Business Objects reporting (BOXIR/3) tool.
- Experience using Confidential Business Intelligence Enterprise Edition (OBIEE).
- Hand on experience Data warehouse Administration Console (DAC) to schedule and run full and Incremental ETL loads, to schedule the Informatica jobs, and to customize Execution Plans.
- Full life cycle experience including requirement analysis, design, development, testing, implementation and documentation.
- Value Additions were showcased to customers and they were implemented with good response.
- Excellent communication skills, good organizational skills, self-motivated and extremely hardworking with ability to implement business concepts quickly and efficiently.
TECHNICAL SKILLS:
Tool: /Software ETL Informatica Power Center 9.6.1 Informatica Cloud, Informatica Cloud MDM ODI Scheduler Control-M Informatica Scheduling Data warehouse Administration Console (DAC) Shell Scripting Unix Shell Scripting
RDBMS: Confidential 11g SQL Server 2008 Teradata
Query Tools: SQL Developer PL/SQL TOAD SQL Server Management Studio
Languages: SQL,PL/SQL
Operating Systems: LINUX Windows Administration Informatica 9.6.1 Informatica Cloud
Reporting Tool: BOXIR/3 OBIEE
Testing Tool: Hp Mercury Change Management Service Desk Foot Prints
PROFESSIONAL EXPERIENCE:
Confidential - San Rafael CA
Senior DW/BI Consultant
Responsibilities:
- Involved in Analysis, Meeting with Business Analysts and Product owners to get the requirement
- Extract, Aggregate, Transform and validating the data to ensure accuracy and consistency
- Analyze the existing ETL process and develop the mapping as per business requirement.
- Establishing processes for maintaining, enhancing and ensuring the ongoing process and applicability of the reporting platform.
- Monitor all production issues and inquiries and provide efficient resolution for same.
- Working on performance tuning of the SQL materialized view to refresh as expected.
- Worked on code migration activity from Dev to Stage environment.
- Performed data quality analysis to validate the input data based on the cleansing rules and aggregation rules.
- Created predefined conditions in the universe level to restrict the volume of data to be pulled in the report.
- Created Classes, Dimension objects, Measure objects and Detail objects in the universe.
- Worked on Informatica tool like Source Analyzer, Mapping Designer, Transformations, Informatica Repository Manager and Informatica Workflow Manager.
- Worked on ad-hoc reports in BO to validate the data with old repots.
- Added new columns at universe level and validated the objects.
- Created parameters in Informatica Mapping Designer.
- Performed data quality analysis to validate the input data based on the cleansing rules
- Worked on performance tuning of the Task flows and reduced the file usages of the jobs.
- Managed deliverables in terms of Quality and Schedule.
Environment: Informatica 9.6.1, Confidential 11g, SQL Developer, BOXI R/3
Confidential - San Jose CA
Senior DW/BI Consultant
Responsibilities:
- Participating in requirement analysis sessions with Business team and coming up with conceptual, logical and physical data models using power designer.
- Preparing documentation to cover high level design, low level design, source to target mappings, Unit test cases, Promote sheets, Implementation plans, Production turnover document etc.
- Participating in change control meetings and coordinating with all the internal and external stakeholders for successful completion of the tasks.
- Development of ETL mappings to extract data from the various Sources and load it into the databases as required.
- Worked on EDI data integration using B2B Data Exchange.
- Worked on Informatica tool like Source Analyzer, Mapping Designer, Transformations, Informatica Repository Manager and Informatica Workflow Manager.
- Created parameters in Informatica Mapping Designer.
- Performed data quality analysis to validate the input data based on the cleansing rules
- Worked on Informatica Secure Agent migration from windows 32 to 64 bit.
- Worked on performance tuning of the Task flows and reduced the file usages of the jobs.
- Worked on code migration activity from non prod to Production environment. Performing unit testing, integration testing and User acceptance testing (UAT)
- Managed deliverables in terms of Quality and Schedule.
Environment: Informatica 9.6.1, Informatica Cloud, Informatica B2B Data Exchange,VLTrader,SFDC, SQL Server 2008, Workbench,Jira, ReST API, Microsoft Dynamics NAV
Confidential - San Jose CA
Senior DW/BI Consultant
Responsibilities:
- Coordinating with BSA team to understand requirements and updating the existing design documents for all the enhancement requests.
- Preparing Low level Design documents and maintaining them throughout the project and presenting the design in IT and Infrastructure design reviews.
- Preparing detailed test plans on all going development enhancement project.
- Developing and unit testing of Informatica mappings, workflows.
- Performance tuning at all levels i.e. source, target, mappings, workflow/session etc.
- Preparing detailed test plans with strong test cases to validate the data
- Maintaining the learning documents and all the support documents in Support central system.
- Worked on Data Synchronization, Data Replication & Contact validation.
- Worked to identify the SFDC Customer Golden record using Informtica Cloud MDM concept
- Worked on Address Doctor validation for validating the contact information.
- Worked on DQ rules to Cleanse & Standardize Customer, Contact Name, Address, Phone Number, Email Attributes
- Worked on code migration activity from one environment to another environment.
Environment: Informatica Powercenter9.6, Informatica Cloud MDM, Informatica Cloud, Address Doctor, SFDC, SQL Server, Confidential, Workbench, Data loader
Confidential - Sunnyvale CA
Senior DW/BI Consultant
Responsibilities:
- Leading the offshore team and responsible for Task allocation and Tracking
- Worked with Data SME (Subject Matter Expert) gathered all the functional and business requirements necessary for Code Development.
- Prepare the testing scope and testing Schedule.
- Involved in Historical & Incremental test plan preparation.
- Created unit test plans, test cases and reports on various test cases for testing the Dimension and Fact table’s data.
- Prepared guidelines and checklists for the team
- Managed deliverables in terms of Quality and Schedule.
- Performed data quality analysis to validate the input data based on the cleansing rules
Environment: Pentaho, Confidential 11g, TOAD, HP Mercury, OBIEE
Confidential - San Jose CA
Senior DW/BI Consultant
Responsibilities:
- Leading the offshore team and responsible for Task allocation and Tracking
- Involved in Analysis, Meeting with Business Partners in Sales force team.
- Worked on Informatica Power Center 8.6.1(Designer/Manager/Monitor/Repository Manager) for developing Mapping, Mapplets and workflows.
- Worked on Informatica Cloud for developing Data synchronization and Data replication tasks for pulling data from Salesforce.com.
- Designed Complex Informatica mappings with the help of Transformations such as Joiner, Router, Expression, Aggregator, and Lookup transformation, Source Qualifier.
- Used Session parameters, Mapping variable/parameters and created Parameter files for imparting flexible runs of workflows based on changing variable values.
- Responsible for monitoring scheduled, running completed and failed sessions. Involved in debugging the failed mappings and developing error-handling methods.
- Performed data quality analysis to validate the input data based on the cleansing rules.
- Designed improvements to current extract processes to streamline extracts.
- Involved in Historical & Incremental data load.
- Involved in the code review and system testing.
- Modified existing mappings and sessions based on the business requirement.
- Modified existing tables and code for hierarchy changes and streamlined processing. Coded and tested new ETL interface.
- Worked on OBIEE RPD and report level changes as per new enhancement.
- Created unit test plans, test cases and reports on various test cases for testing the Informatica mappings.
- Involved in migrating the Informatica objects & UNIX objects from Development Environment to Testing Environment and then to Production Environment
- Involved in DAC development and execution in all the environments.
- Involved in requirements gathering, project planning and coordinating with offsite and onsite teams for analysis, development, maintenance and support.
Environment: Informatica 8.6.1/9.5.1 , Informatica Cloud, Confidential 10g, Confidential EBS, SFDC, DAC, OBIEE, UNIX shell, TOAD
Confidential - San Jose CA
Senior Informatica Admin&Developer
Responsibilities:
- Interacted with business/end users to analyze business requirements & develop detailed requirement(s) document.
- Handling the Order management module individually.
- Value Additions were showcased to customers and they were implemented with good response.
- Worked on Informatica Power Center 8.6.1 tool - Source Analyzer, Mapping Designer & Mapplets, and Transformations.
- Performance and sizing tuning- Optimizing data loads, index management and query optimization.
- Conducted Performance tuning of application by modifying the SQL statements.
- Various kinds of the transformations were used to implement simple and complex business logic. Transformations used are: Stored Procedure, Connected & Unconnected Lookups, Router, Expressions, Source Qualifier, Aggregators, Filters, Sequence Generator, etc.
- Created and Configured Workflows, Worklets, and Sessions to transport the data to target warehouse Confidential tables using Informatica Workflow Manager.
- Worked on code migration activity from one environment other environment using deployment groups.
- Used Debugger in the Mapping Designer to troubleshoot logical errors.
- Created predefined conditions in the universe level to restrict the volume of data to be pulled in the report.
- Created Classes, Dimension objects, Measure objects and Detail objects in the universe.
- Performed Developer testing, Functional testing, and Unit testing for the Informatica mappings.
- Created new user and user groups for providing informatica access.
- Worked on informatica version upgradation. work with development team on L3 issues and follow the task to completion
- Involved in writing the scripts for INFA admin related activities.
- Involved in migrating the Informatica objects & UNIX objects from Development Environment to Testing Environment and then to Production Environment
- Coordinated with the offshore delivery team for the releases.
Environment: Informatica Power Center 8.6.1, Confidential 10g, UNIX, MS-ACCESS, Toad,Business Object XIR/2.
Confidential
ODI Developer
Responsibilities:
- Extensively involved in business and functional requirement analysis, understanding source systems thoroughly by creating the design process flow used for standard ELT implementations.
- Created the various type 2 mappings and assisted the team members during the mapping development and unit testing.
- Extract the SAP data using Loading Knowledge Module (LKM) and implemented the business logic
- Optimized Query Performance, Session Performance and Reliability.
- Responsible for monitoring scheduled, running completed and failed sessions. Involved in debugging the failed mappings and developing error-handling methods.
- Created unit test plans, test cases and reports on various test cases for testing the Informatica mappings.
- Involved in the User Acceptance Testing.
- Performance tuned the workflows by identifying the bottlenecks in targets, sources, mappings, sessions and workflows and eliminated them.
- Created the template mappings for different layers.
- As the coordinator of the project, responsible for maintaining all the project related codes, documents with proper version control and also maintained a list of Issues faced and resolutions provided during the Rebuilding process.
- Managed deliverables in terms of Quality and Schedule.
Environment: ODI 10g, SAP, OBIEE 10g UNIX, Windows XP
Confidential
DW/BI Developer
Responsibilities:
- Developed Mappings with transformations like Source qualifier, Aggregator, Expression, Lookup, Filter, Router, Sequence Generator, Update strategy, Rank etc.
- Worked on Informatica tool like Source Analyzer, Mapping Designer, Transformations, Informatica Repository Manager and Informatica Workflow Manager.
- Implemented performance tuning logic on targets, sources, and transformations to provide Maximum efficiency and performance.
- Involved in code changes based on additional requirements.
- Involved in Code review, Hand holding the issues during UAT.
- Involved with the Client’s testing team to track the defects to closure and to educate them on the system.
- Migration of Informatica objects from Development Environment to Testing Environment and then to Production Environment.
- As the coordinator of the project, responsible for maintaining all the project related codes, documents with proper version control and also maintained a list of Issues faced and resolutions provided during the Rebuilding process.
- Managed deliverables in terms of Quality and Schedule.
Environment: Informatica Power Center 8.1.1, Confidential 9i, Unix Shell scripting, Toad