SUMMARY

• Around 8 years of programming experience as an OraclePL/SQLDeveloperin Analysis, Design, Data Modeling (Logical and Physical), and Implementation of Business Applications using the Oracle Relational Database Management System (RDBMS).
• Expertise in OracleSQL,PL/SQL, Oracle Forms and Oracle Reports.
• Expertise in creating and modifying database objects like Tables, Indexes, Views, Triggers, Synonyms, Sequences, and Materialized views usingSQLandPL/SQL.
• Expert level experience onPL/SQLthat includes Cursors, Ref - cursors, Procedures, Functions and Packages, Object, Partitioned Tables, and Table Indexing.
• Expertise in using user defined and system defined Exceptions for Error handling.
• Experience in creating composite data types and collections.
• Experience in using tools likeSQL* Plus,SQLAssistant,PL/SQLdeveloperand TOAD.
• Experienced in writing UNIX shell scripts for automating the process of data loading& Batch Processing.
• Good experience in data modeling using Erwin Data Modeler: Creating entities, relationships, sub-types, schemas and ERD to database schemas.
• Valuable experience in Software Engineering Processes (Agile and Waterfall Methodologies). Development of software project based on users’ requirements and meeting deadlines to satisfy users' need.
• Expertise in data modeling, Normalization, database design, data loading, data retrieval, modification, and archival techniques.
• Developed and maintained system documents, including technical specifications, data mapping, program logic and flowcharts.
• Worked in analyzing and Implementing the ETL architecture using ETL Informatica,SQL* Loader,PL/SQL.
• Experience in DML, DDL, and TCL operations.
• Extensive experience in Database query tuning, Performance tuning of Reports.
• 24/7 Production Database Support & Maintenance.
• Experience in Migration and Upgrade of databases.
• Expert knowledge with Microsoft Excel, Power Point, Word.
• Excellent analytical and problem-solving skills and can work independently.
• Excellent Communication and responsible team player.

TECHNICAL SKILLS

Languages: SQL, TSQL,PL/SQL, UNIX, C++, Java, Visual Basic, HTML, CSS

Databases: Oracle 12c/11g/10g/9i/8i, Oracle Form Builder 10g, Oracle Forms 6i/9i/,SQLServer 2005, MS ACCESS

Tools: TOAD,SQLDeveloper, Oracle Enterprise Manager, SQL*PlusSQL*Loader, MS Office, JIRA, Service now, Erwin, MS Visual Studio 2007, Crystal Reports, Informatica Power Center, Informatica Data Validation Option.

IDE & web designing tools: Eclipse, Visual Studio, GitHub

Databases: Oracle, MySQL, SQL Developer, PL/SQL, Mongo DB.

Desktop Tools: Acrobat Writer, MS Word, MS Excel, MS PowerPoint, MS Access

OS: Windows/Unix, Mac OS X.

PROFESSIONAL EXPERIENCE

Confidential, Silver Spring, MD

Sr. Oracle PL/SQL Developer

Responsibilities:

• GeneratedSQLandPL/SQLscripts to install building database objects including tables, views, primary keys, indexes, constraints, packages, sequences, grants, and synonyms with oracle 10gdatabase.
• Created complex functions, stored procedures, and packages by usingPL/SQL.
• Responsible working with user groups, analyzing reported problems, performing root cause analysis, and presenting alternatives to correct the problem.
• Developed back-end interfaces usingPL/SQLpackages, stored procedures, functions, Object Types, Pipelined functions, Oracle queues and used Collections, Bulk Collects to improve performance by minimizing the number of context switches between thePL/SQLandSQLengines.
• Wrote complexSQLqueries using Joins, sub queries and inline views to retrieve data from the database.
• Created Cursors, Collections, and database triggers for maintaining complex integrity constraints and implementing the complex business rules.
• Worked on various tables to create Indexes to improve query performance. Also, worked on partitioning large tables using Range Partitioning, creating Index Organized Table, Rollback Table space.
• Developed Informatica Mappings using various Transformations andPL/SQLPackages to extract, transformation and loading of data.
• Involved in Data Extraction, Transformation, and Loading (ETL process) from Source to target And Worked on Windows Batch scripting, scheduling jobs, and monitoring logs.
• Designed and developed complex reports to meet end user requirements and deployed using Oracle Report 10g.
• Developed complex triggers in reports before/after for validation of user input.
• Creating and enhancing daily, monthly, yearly jobs using UNIX shell Scripting.
• Performed unit testing and supported integration testing and end user testing.
• Extensively worked on production issues with effective defect management.
• Proactively tunedSQLqueries and performed refinement of the database design leading to significant improvement of system response time and efficiency.
• Involved inSQLtuning,PL/SQLtuning and Application tuning using various tools like EXPLAIN PLAN etc.

Environment: SQL,PL/SQL, UNIX Shell Scripting, JQuery, JavaScript, Oracle 10g/11g, Toad,SQL*Plus,SQL*Loader, PUTTY, MS Office, Windows XP, Oracle Reports 10g, Oracle Forms 10g.

Confidential, Buffalo Grove, IL

Sr. Oracle PL/SQL Developer

Responsibilities:

• Created complex functions, stored procedures, and packages by usingPL/SQL.
• Responsible for working with user groups, analyzing reported problems, performing root cause analysis and presenting alternatives to correct the problem.
• Generated Reports and Enhancements for Formulary Management System.
• Developed back end interfaces usingPL/SQLpackages, stored procedures, functions, Object Types, Pipelined functions, Oracle queues and used Collections, Bulk Collects to improve performance by minimizing the number of context switches between thePL/SQLandSQLengines.
• Wrote complexSQLqueries using Joins, sub queries and inline views to retrieve data from the database.
• Created Cursors, Collections, and database triggers for maintaining complex integrity constraints and implementing the complex business rules.
• Worked on various tables to create Indexes to improve query performance. Also, worked on partitioning large tables using Range Partitioning, creating Index Organized Table, Rollback Table space.
• Worked on various reports like formulary analysis, UM criteria, UM audit, formulary draft status.
• Developed technical system documentation.
• Identified and implemented programming enhancements.
• Performed unit testing and supported integration testing and end user testing.
• Extensively worked on production issues with effective defect management.
• Proactively tunedSQLqueries and performed refinement of the database design leading to significant improvement of system response time and efficiency.

Environment: SQL,PL/SQL, Oracle 10g/11g, Toad,SQL*Plus,SQL*Loader, MS Office, Windows XP, Oracle Reports 10g, Oracle Forms 10g.

Confidential, New York, NY

Sr. Oracle PL/SQL Developer

Responsibilities:

• Worked with various functional experts to implement their functional knowledge into working procedures.
• Developed application and database triggers, functions, procedures, and packages inPL/SQL, Oracle11g as back-end.
• Creation of database objects like tables, views, procedures, packages using Oracle tools likeSQL Loader,SQL* Plus andPL/SQL.
• Created variousSQLandPL/SQLscripts for verification of the required functionalities.
• Created Records, Tables, Objects, Collections (Nested Tables and Varrays), Table Partitioning and Error Handling.
• Worked on optimizing existing procedures and functions usingPL/SQL.
• Worked on User Exit, DynamicSQLandPL/SQLblock inPL/SQL.
• Created various Database triggers usingPL/SQL.
• Have converted old data from Flat files to Oracle database UsingSQL* Loader.
• Developed screens and reports using Oracle Forms 10g/Reports 10g.
• Designed and developed user interfaces for customers using Oracle 9i/10g Forms Builder.
• Wrote various kinds ofSQLqueries involving Correlated Sub queries, UNION, Inner and Outer Joins
• Developed UNIX Shell Scripts and PLSQL procedures to import and export data.
• Worked on Data Modeling for both OLTP and OLAP.
• Worked on XML along withPL/SQLto develop and modify web forms.
• Performed performance tuning for queries on highly transactional OLTP database systems.
• Designed ETL Jobs using SAP BOBJ Data Integrator.
• Provided On-Call support for OLTP as well OLAP RDBMS and other maintenance jobs.
• Additionally, part of rotation on call DBA to support Production databases 24X7, and marketing of innovative, high-technology therapies and products for the wound care, tissue regeneration and therapeutic support system markets.

Environment: SQL,PL/SQL, UNIX Shell Scripting, Oracle 10g/11g, Toad,SQL*Plus,SQL*Loader, PUTTY, MS Office, Windows XP, Oracle Reports 10g, Oracle Forms 10g.

Confidential

Oracle PL/SQL Developer

Responsibilities:

• Created and modified complex functions, stored procedures, packages, and Triggers by using OraclePL/SQLbased on the business rules.
• Extensively worked on Schema Migration, Database Program Migration, and Data Migration from Sybase to Oracle by using OracleSQLDeveloper.
• Worked onSQLTuning by using various tools like EXPLAINPLAN, DBMS PROFILER, and Hints etc.
• Worked on DynamicSQLby using Execute Immediate and DBMS SQLalong with Bulk Collect.
• Extensively usedPL/SQLadvanced features like forward declaration, Procedure Overloading in thePL/SQLPackages.
• Used UTL FILE PACKAGES for writing DBMS OUTPUT into the files.
• Extensively used Oracle 11g features like RESULT CACHE, Compound Triggers etc.
• Worked onSQL*Loader to load data from flat files obtained from various facilities every day
• Worked on Table partitioning and Index creation to improve the performance of the query.
• Worked with DBA's regarding the data checks during migration, loading, creation and management of tables, indexes, table spaces etc.
• DevelopedPL/SQLtriggers and master tables for automatic creation of primary keys.
• Involved in Requirement Gathering, High Level Design, Low Level Design, Development, Unit testing & Integration Testing of Data Migration process using ETL Methodology.
• Used Informatica to extract data and modify it depending on the specific business logic
• Report the project status and generate milestone reports.
• Creation of database objects like tables, views, materialized views, procedures, and packages using oracle tools like Toad,PL/SQLDeveloper, andSQL* plus.
• Communicate with developers, database administrators, project managers, Systems analysts and senior management about the issues that impact the project's success.
• Create a risk plan and list all the mitigations.
• Present the change requests for approvals.
• Facilitate and document the post implementation results in the form of closure reports.
• Conduct weekly status meetings.
• Extensively used the advanced features ofPL/SQLlike Records, Tables, Object types and DynamicSQL.
• Participate in requirements review, application design review and test plan reviews
• Coordinate activities with infrastructure, business, and QA teams.

Environment: Oracle 11g/10g, WINDOWS 7,SQL,PL/SQL,SQL* Plus, TOAD,SQL*Loader, Shell Scripts,SQL*Loader,SQLPlus,SQLDeveloper, XML, UNIX, Windows XP