Data Business Analyst Resume
OBJECTIVE:
Seeking for a Professional position as ETL/Informatica Developer or as a Data Analyst.
SUMMARY:
- More than 6 yrs. of IT - industry experience in Data warehousing and all phases of Software development life cycle (SDLC).
- More than 5 yrs of experience in Data analysis using OBIEE11.7,Microsoft Excel and Tableau8.3
- More than 2 yrs of experience in Master Data Management.
- More than 2 yrs of experience in Salesforce CRM and Oracle Ebs.
- More than 3yrs of experience in InformaticaPowercenter 8.x, 9.x,InformaticaPowerExchange8.x.,Teradata12
- Good experience in Data Warehousing, Conceptual, Logical and Physical Data Modelling.
- Experience in Tableau Dashboards in Design and Presentation.
- Develop enterprise dashboards and reports using OBIEE Plus tools.
- Identify critical issues and processing faults to optimize BI dashboards and reports.
- Familiar with Python programing, Big data, Hadoop/Hive.
- Excellent experience of creating data models for relational schemas (OLTP) and dimensional schemas (OLAP) with proper normalization and denormalization techniques and developed Database Schemas like Star Schema and Snowflake Schema.
- Designed and developed complex mappings using transformations like Lookups, Source Qualifier, Router, Filter, Expression, Aggregator, Joiner, Sequence Generator and Update Strategy.
- Experience in creating reusable transformations, mapplets and PL/SQL stored procedures.
- Worked on requirement gatherings of the reports for several projects, designed the data warehouse and developed mappings to load the data in the dimension and fact tables.
- Implemented slowly changing dimensions of Type 1, Type 2 and Type 3 and Performance tuning of sources, mappings, targets and sessions in Informatica and SQL queries.
- Implemented Centralized ‘Banking Application Software ‘Omni’ extensively. Experience in Testing, Implementation and Support in banking software.
- Worked extensively on writing SQL queries and Oracle constructs.
- A well-organized, goal-oriented, highly motivated effective team member with excellent analytical, troubleshooting, and problem solving skills. Ability to work in high-stress environments.
TECHNICAL SKILLS:
ETL Technology: Informatica 8.x and 9.x,Informatica PowerEXchange8.x
Datawarehouse: Star schema and snowflake schema
Data Modelling: MS Visio, Erwin
Application software: Banking software OMNI, MS Office and Toad and Microsoft Excel and Tableau8.3 for Data Analysis, OBIEE11.7
Programming languages: Html, CSS, UNIX Scripting, Python
Database: Ms-Access, MS Sql server 2005/2008, Oracle9i, Oracle10g, Oracle11g
ETL tools: Informatica 8.x,Informatica PowerEXchange8.x, Teradata 12
Project Management software: Microsoft Project 2010
CRM: Salesforce and Oracle Ebs
PROFESSIONAL EXPERIENCE:
Confidential
Data Business Analyst
Responsibilities:
- Key member of the Data services team and responsible for maintaining correct data of customer accounts in salesforce.
- Deduplication of accounts in sfdc and Asset transfers of the customer accounts in Oracle Ebs.
- Maintaining the customer account hierarchies in customer data hub.
- Supporting the end users for the customer accounts and opportunities related queries.
- Keep a check on the synchronization between the sfdc and other upstream and downstream systems.
- Territory Management using Informatica .
- Enrich the customer data in sfdc using avention and hoovers data.
- Maintaining dashboards for customer accounts in sfdc.
- A Key member in generating monthly and adhoc reports in OBIEE for the management and maintaining dashboards.
Environment: Salesforce,Oracle EBS,OBIEE11.7,SQL
Confidential
Informatica Developer
Responsibilities:
- A key member of Master Data Management, responsibilities include Data governance consisting Data Stewardship, Metadata management, Data Quality, Data Profiling, Data Integration & Consolidation.
- Responsible for Data analysis of customer data in salesforce versus D&B data.
- Responsible in maintaining the correct data in salesforce and eliminating the duplicates
- Involved in tool evaluation of various MDM tools like Informatica MDM, Talend, and IBM.Trillium.
- Worked on the GoToMarket data and data cleansing of customer accounts before loading it in Anaplan.
- Well versed with Talend Integration cloud and Talend MDM.
- Participated in business meetings with BA and various departments for requirement gatherings of MDM tool and their pain points and responsible in preparing the BRD for same.
- Prepared the functional and non-functional document for MDM tool.
- Responsible for designing MDM application architecture (tool/no tool)
- Responsible for designing the Customer Hierarchy architecture in Oracle
- Key person in designing, developing and documenting the ETL process to load the salesforce data into Oracle using Informatica power center 9.1 for designing the Customer Hierarchy in Oracle.
- Designed the complex mappings and workflows and sessions using Informatica power center 9.1.
- Implemented the scd type 1 and scd type2 tables to load the data from sources to the targets.
- Extensively involved in performance tunning of ETL process by determining the bottlenecks at various points like targets, sources,mappings,sessions.This led to better performance.
- Used Aggregator,sql overrides,source filter and source qualifier and data flow management into multiple targets using router transformations.
- Wrote complex Sql queries and Pl/Sql procedures to perform data base operations according to business requirements.
Environment: Informatica Power Center 9.1,Oracle11g,PL/SQL,Salesforce,Flat files,Unix
Confidential
Informatica developer, California
Responsibilities:
- Gathered report requirements with Business Users and converted them into project documentation.
- Created the mappings and workflows for loading data to the staging tables and then to the dimension and fact tables using Informatica Power center 8.6.
- Used transformations like Source qualifier, Lookup, Router, Joiner, Update strategy, Sequence generator, Expression and Filter Transformations in the project.
- Used Debugger to track the path of the source data and to check the errors in mapping.
- Involved in Data Modeling using Star/Snowflake Schema Design using Erwin.
- Used Workflow manager to create and configure workflow and session task to load data. Used Informatica workflow monitor to create, monitor workflow in case of process failures.
- Configured the sessions using workflow manager to have multiple partitions on source data and to improve performance.
- Used pmcmd to run workflows.
- Handled slowly changing dimensions of Type 1 and Type 2 to populate current and historical data to dimensions and fact tables.
- Responsible to write complex sql queries and scripts to perform database operations according to business requirements.
- Configured the sessions using workflow manager to have multiple partitions on source data and to improve performance.
- Involved in end-to-end system testing, performance and regression testing and data validations.
- Worked on Data Extraction, Transformations, Loading, Data Conversions and Data Analysis.
Environment: Informatica Power Center 8.6, Teradata 12, Oracle 11g, Erwin 8, Putty
Confidential
Senior Engineer
Responsibilities:
- Worked as a Team Lead and Data analyst.
- Created database objects including tables, views, and indexes.
- Performance tuning of SQL queries by using Hints.
- Minimized the problems in ATM transactions by monitoring it and taking the necessary actions
- Generated statistical data by constructing and executing complex queries in oracle
- Provided support and adhoc reports to the Retail banking department regarding ATM
Environment: Oracle 10G, SQL*Plus, SQL, SQL*Loader, crystal Reports XI, UNIX, Toad
Confidential
Engineer
Responsibilities:
- Worked as a Team lead for more than a year.
- While working in IT Department, acquired domain knowledge in retail operations enabling active support for all queries/problems of end users using banking application software
- Wrote PL/SQL Stored Procedures, Functions, Packages and SQL queries using join conditions as per business requirements.
- Implemented Extraction, Transformation and Loading using SQL Loader and PL/SQL.
- Worked on the various phases of implementation of Banking software such as:
- Business Process Reengineering, Gap analysis
- User Acceptance Testing: Key Member of the team, included work pertaining to creation of test scripts, test data, carrying out actual tests, interaction with implementation team of application software provider and User training
- Worked on the cut-over activities
- Production support to end users
- Service Desk
- I was the key person implementing Change management and Release Management
- Provided support to the business users for various process, configuration and data related issues by performing extensive troubleshooting
- Managed the service desk
- Created and maintained documentation
- Trained end users various times, created material and carried out in-house training
Environment: Oracle 10G, SQL*Plus, SQL, SQL*Loader, Crystal Reports XI, UNIX, Toad