Jyothi_Ganta_Oracle_BI_Developer
- 1. Jyothi Ganta 10200 E Dry Creek Road, Englewood, CO 80014 Cell: 602-586-7793 | Home: 602-283-9838 Email: jyothigantaus@gmail.com Professional Summary Oracle certified professional with over 10 years of experience in design, development, testing and deployment of the applications built on top of Oracle Database. Extensive experience with all phases of the Software Development Life Cycle including analysis, Resource Planning, code development, testing, implementing and maintenance. Expert in creating SQL Queries, PL/SQL packages, functions, stored procedures, triggers, autonomous transitions and cursors. Proficient in creating the database objects like tables, views, materialized views, sequences, synonyms, indexes using Oracle toolslike SQL*Plus , SQL Developerand Toad. Proficient in advance features of Oracle 11g for PL/SQL programming like Using Records and Collections, Bulk Binds, Ref Cursors, Nested tables and Dynamic SQL. Experience in SQL and PL/SQL tuning and query optimization tools like SQL Trace, Explain Plan, tkprof, Partitioning, Hints and Analyze Tables. Strong knowledge in Oracle utilities like SQL*Loader, Export/Import and data pump utilities. Used theOracle pre-definedpackagesDBMS_STATS, UTL_FILE,DBMS_SCHEDULER, UTL_SMTP and UTL_FILE. Expertise in handling errors using Exceptions (Predefined Exceptions and user- defined exceptions). Exposure & knowledge of designing logical & physical Data Model in Relational Database Management System (RDBMS). Experience in working high-transacted OLTP and OLAP systems.31 Strong knowledge in Dimensional Data Modeling using SQL Developer and Ralph Kimball Approach, Star/Snowflake Modeling, Data marts, OLAP, FACT & Dimensions tables, Physical & Logical data modeling, and Data Modeling Tools Erwin. Experience in all aspects of Analytics/Data Warehousing Solutions (Database issues, Data modeling, Data mapping, ETL Development, metadata management, data migration and reporting solutions). Expertise in OBIEE 11g rpd development & building analysis/dashboards.
- 2. Hands on Experience in building the Physical layer, Business Model and Mapping Layer and Presentation Layer objects. Designed and created different kinds of Dashboards to show various Analyses, Trends Charts and Graphs for more readability of the data for users. Experienced in UNIX SHELL Scripting, scheduling Cron jobs. Experience with Oracle Service Cloud in creating the reports and data pull processes. Experience with Snowflake database operations like creating the stage, COPY the data from the flat files into snowflake stage tables and creating the snowflake transformation scripts. ETL experience with Informatica PowerCenter Client tools - Mapping Designer, Repository manager, Workflow Manager/Monitor and Server tools – Informatica Server. Experience with History data management and building the reports using the history data. Experienced in creating MySQL Tables, Views, Stored Procedures, Functions, Triggers and Exceptions. Proficient in creating Schemas, Users and providing the Grants in MySQL. Transferred data using data transfer tools like FTP (File Transfer Protocol) and SFTP (Smart FTP). Experienced in fast paced AGILE Methodology concepts. Assisted QA Teams for bug testing, User Acceptance Testing (UAT) & System Integration Testing. Highly motivated, excellent team player, enthusiastic, strong initiative and quick learner of new technologies. Strong interpersonal and communication skills in dealing with customers. Ability to handle the pressure situation. Good team player and capable of working individually with less supervision. Technical Skills Databases: Oracle 9i/10g, 11i/11g R2, MySQL Operating Systems: Windows 2000/2003/NT/XP, UNIX Applications: SQL-Loader, SQL Navigator, SQL Developer, Toad Programming Languages: PL/SQL, JavaScript, APEX 5.0, HTML, CSS, JavaScript, jQuery, Shell Scripting, Perl Scripting Data Modeling Tools: SQL Developer, Erwin ETL: Informatica, Native PL/SQL and UNIX, Pentaho Reporting Tools: Oracle Discoverer, Oracle Reports BI Platform: OBIEE 11g R2 – rpd design & development, Building Analysis/Dashboards Designing: Database, Data warehouse, Data mart and Dimensional Modeling, Business Process Modeling Version Control Tools: Tortoise SVN, PVCS
- 3. Achievements Received the awards (Rock Star, Pacesetter) for excellent work and dedication. OCA Certified. Education Bachelor of Technology - Mechanical Engineering (2002) From Sri Venkateswara University, Tirupathi, India. Professional Experience BI Engineer Sep, 2015 - Present Eventus Solutions Group Denver, CO Responsibilities: Data analysis and flattening the data using PERL scipts before data loads. Maintaining the pentaho ETL Mappings and the workflows for the existing projects. Responsible for creation of the MySQL procedures, functions required for the Transformation process. Writing the SQL queries for the adhoc reports for the user’s analysis. Created the Dimensional modeling to create the data marts with Dimensions and Fact tables for the new client ‘s data. Created the Custom reports to pull the raw data from Oracle service cloud as part of the Extraction process. Worked with sftp server setup and data extractions using ftp/sftp and written shell scripts to automate the Extraction process. Created the custom reports using Oracle Service Cloud and InContact ACD portal for pulling the raw data. Created the Load and Transformation scripts to load the data into stage and target tables into snowflake DB. Maintaining the historical data for the YOY history reports creation. Created shell scripts to call the etl scripts to load the data to target tables. ELT process automation through con job setup. Senior PLSQL&BI Developer Mar, 2015 – Aug, 2016 DEQ (Department of Environmental Quality) Phoenix, AZ Responsibilities: Responsible for Business Analysis and Requirements Collection. Converted the Functional requirements documents to Technical design documents.
- 4. Design and implementation of new databases and modifications of existing databases. (Perform data modeling, data architecture, schema management, data object management and other necessary activities). Design, development and maintenance of related PL/SQL triggers, packages and stored procedures. Involved in dimensional modeling (Dimensions and Facts), star/snow-flake schema modeling. Worked on Informatica Power Center tools- Designer, Repository Manager, Workflow Manager, and Workflow Monitor. Parsed high-level design specification to simple ETL coding and mapping standards. Involved in building the ETL architecture and Source to Target mapping to load data into Data warehouse. Involved in OBIEE 11g rpd development & building analysis/dashboards. Hands Experience in building the Physical layer, Business Model and Mapping Layer and Presentation Layer objects. DesignedandcreatedvariousDashboardsto showdifferentkinds ofAnalyses, Trends Charts and Graphs using OBIEE Answers for more readability of the data for users. Writing complex SQL Queries for the management reports. Used Global temp tables for holding the data in the sessions. Senior PL/SQL Developer Dec, 2013 – Feb, 2015 DOR (Department Of Revenue) Phoenix, AZ Responsibilities: Designed and implementation of new databases and modifications of existing databases. (Performed data modeling, data architecture, schema management, data object management and other necessary activities). Created Technical design documents for new or existing screens changes. Design, implement and maintain data loading scripts/programs. Created and maintained the PL/SQL triggers, packages and stored procedures, functions for the frontend application. Involved in Troubleshooting and resolving the database/application issues. Written complex SQL Queries for the management reports. Tuned and optimized overall application performance through SQL, table/index design, etc. Used DB links to access the source data. Prepared the unit test cases and Involved in the end to end testing of the application. Prepared the patch scripts and promotion documents during the code promotion. Involved in the daily scrum meetings for the day to day work updates. Senior PL/SQL & BI Developer Oct, 2007 – Aug, 2013 ORACLE Corporation Bangalore, IN Responsibilities:
- 5. Responsible for Business Analysis and Requirements Collection. Created Functional specification and Technical design documents. Created the logical data model using ER Diagram, generated the physical data model using Schema Diagram and database design transformer and generated the DDL for the tables and indexes. Worked on both Relational and Dimensional data models. Handled STAR Schema, snowflake schema design, ETL Strategy. Designed dimensions, hierarchies, levels, measures, aggregations and fact table granularity. Involved in Design, analysis, Implementation, Testing and support of ETL processes. As a member of ETL Team, responsible for analyzing, designing and developing ETL strategies and processes, writing ETL specifications for developer, ETL and RPD development, administration and mentoring. Created mapping documents to outline data flow from sources to targets. Developed Analyses with various graphs and charts using Answers for the users using OBIEE Answers. Developed tables with partitions and created indexes, constraints, triggers, synonyms, DBlinks, table spaces, roles in different schemas. Created scripts to load the data into staging tables from other database using DBlinks. Also identified Developed both data processing PL/SQL modules (procedures, functions, triggers, packages) and analytical SQL queries for reports. Developed and implemented distributed architecture making heavy use of Oracle Streams. Worked 11g pivot, partitioning, parallelism, materialized views, temporary tables, object types, result caching and optimizer hints to make queries performance-wise efficient Developed highly-sophisticated analytical queries with various grouping sets, analytical functions, pivoting, cross-tabs, etc. Used DBMS Scheduler to schedule the jobs in parallel. Implemented the Event Polling Table mechanism to clear the BI Cache. Worked on creating various forms for customer registration, personal dashboards using APEX. Built various reports like stacked bar charts, graphs, master/detail reports, parameterized reports etc. using APEX. Created various kinds of forms for e.g, Tabular Form, Report and Form, upload form, master-detail form etc. Created and modified the templates, CSS files, java scripts files, jQuery for the application. Created MySQL Tables, Views, Stored Procedures, Functions and Triggers. Created Schemas, Users and providing the Grants in MySQL. Capable of designing multi table relational databases with proper enforcement of relational constraints in MySQL. Setting up the test environments by Export/Import data from production to test environment for UAT.
- 6. Created reports to provide various views of the data using Oracle Discoverer. Created the patch files to move the projects to production. Involved in post-production activities. PL/SQL Developer Oct, 2005 – Sep, 2007 Wipro Technologies Bangalore, IN Responsibilities: Responsible for the Implementation of new features, handling maintenance requests . Prepared the Impact analysis documents for minor enhancements and research works. Involved in coding, Unit, System and Integration testing of the code. Analyzed the customer issues and initiated discussions for the customer issues with development team. Proactively responded to customer issues. Mailing the daily activities happening at the customer place to the development team. Responsible for the internal code releases and prepared the release notes to the customer. Responsible for bug fixes and providing the required reports. Responsible for immediate and timely manual UNIX batch job runs.