Oracle Developer Resume
Richfield, MinneapoliS
SUMMARY
- 8+ years of IT experience in analysis, design, development, implementation and testing as Oracle SQL/PLSQL Developer.
- Hands - on experience in all phases of system development & software development with well-defined Quality Standards; Requirement Analysis, Design, Development, Testing & Implementation.
- Provided support for RDBMS in Development, Test and Production environments using Oracle Tools.
- Involved in database design and data modelling using Erwin Data Modeler tool.
- Experience in Oracle Development tools TOAD, Oracle SQL Developer.
- Experience in SQL, PL/SQL, Tables, Table Partitions, Database links, Views, Synonyms, Sequences, Stored Procedures, Functions, Packages, Triggers, Cursors, and Indexes.
- Knowledge of Autonomous Transactions Materialized Views, Bulk Collects and Collections.
- Experience in writing PL/SQL routines in data warehousing applications.
- Analyzing & gathering table statistics for Query Optimization.
- Experience with Oracle Developer Suite 6i /9i /10g/11g/12c.
- Experience in Performance Tuning using SQLTRACE, EXPLAIN PLAN&TKPROF with the help of Hints, Partitioning, Bulking techniques and Indexes.
- Experience in UNIX Shell Scripting.
- Oracle Import/Export Utilities & SQL*Loader.
- Experience in Migrating Data to Oracle database.
- Good understanding of Oracle Architecture.
- Experience in preparing technical documentation & user manuals.
- Ability to cope up with team with good analytical, communication, organizational and interpersonal skills.
TECHNICAL SKILLS
OPERATING SYSTEMS: WINDOWS NT/2000/XP/Vista/windows7/windows10, Solaris 10/9/8, AIX 5.x, Red Hat LINUX AS3.0 & 4.0
DATABASEs: ORACLE 8i/9i/10g/11g/12c, MS Access, MS Excel (VBA), SQL Server 2005/2008, DB2
GUI's: Oracle Developer suite 9i/10g/11g/12c
TOOLS: ERWIN 7.x, TOAD 10.6, SQL Developer 2.1, SQL*PLUS, SQL*LOADER, PVCS, Informatica 7.1/8.6, Actimize Designer 5.13, Actimize Visual Modeler 4.23.0.14
SCRIPTING: UNIX Shell Scripting
Languages: C, C++, Java, VB, C#
Communication Tools: Microsoft Teams, Skype, MS-Outlook, IBM Lotus Notes
Web Technologies: JSP, Servlets, Applets, XML, HTML, CSS, PHP
PROFESSIONAL EXPERIENCE
Confidential, Richfield, Minneapolis
Oracle Developer
Responsibilities:
- Responsible for requirements gathering from Clients and implement the backend changes for existing product and in designing the database.
- Creating SQL*Loader Control Files for moving data from Flat Files (Fixed Record Length) to Staging Area Tables.
- Developed procedures to move data from staging tables to production tables.
- Analyzed the performance of SQL queries using Explain plan and SQL TRACE, and increased the query performance by creating proper indexes on tables.
- Involved in Performance tuning of SQL queries as data warehouse consists of many of rows of data.
- Created data for Crystal Reports using procedures and complex Queries.
- Design and developed the scripts to create tables, views, indexes and sequences.
- Created custom triggers to automatically populate different tables and to restrict the data being inserted to the different tables.
- Developed Database Triggers, Stored Procedures, Functions and Packages.
- Exclusively worked on Unix/Linux Shell scripting (Korn Shell (KSH), BASH, etc.) and rewrote complex UNIX shell scripts as per the requirement.
- Gained experience with job scheduling systems (ESP, Autosys, Cron, etc.).
- Gained experience with Actimize with Dart reports and backend support related to RCM Plugins.
Environment: Oracle 12c, PL/SQL, SQL*Plus, SQL*Loader, PL/SQL Developer 9.0.3, UNIX, Toad, AIX 7.1, Actimize Designer 5.13, Actimize Visual Modeler 4.23.0.14
Confidential
Oracle Developer
Responsibilities:
- Responsible for leading the development and support of several Advisor Services centralized databases written in Oracle and MS SQL Server.
- Actively collaborated with agile teams to support software development lifecycle and involved in writing and contributing to detailed design, functional specifications or technical requirements.
- Extensively involved with relational database development using stored procedures primarily in Oracle and MS SQL Server.
- Worked with other database leads to establish standards, procedures and design patterns.
- Analyzed the performance of SQL queries using Explain plan and baselines.
- Developed PL/SQL packages, procedures, functions applying the business logic facilitate the functionality for various modules.
- Worked with Partition tables and indexes to improve the performance of data loading and query processing.
- Extensively involved in tuning the queries for faster and better performance of the SQL queries Optimized critical queries to eliminate Full Table scans, reduce Disk I/O and Sorts.
- Designed and developed data cleansing, data validation, load processes ETL using Oracle SQL and PL/SQL and UNIX
- Provided with assistance in logical/physical data modeling and data integrating using Erwin.
- Worked with Microsoft TFS and C#/.NET.
Environment: Oracle 11g/12c, PL/SQL, SQL*Plus, UNIX, MS SQL Server 2008, Toad, Microsoft TFS.
Confidential, Madison, WI
Oracle Developer
Responsibilities:
- Develop logical and physical data models that capture current state/future state data elements and data flows using Erwin.
- Analyzed the functional specs provided by the data architect and created technical specs documents for all the enhancements.
- Involved in preparing functional document, user document, process flow diagram and flow charts.
- Migrated data from the previous database in SQL Server database to Oracle 11g.
- Worked with SQL*Loader and External Tables to load flat files into staging tables.
- Involved in performance tuning and troubleshooting issues.
- Fine Tuned procedures in various schemas across databases using Oracle Hints, Explain plans and Trace sessions.
- Ran Cron jobs for loading database tables from Flat Files using SQL*Loader and also used DBMS SCHEDULER to schedule PL/SQL stored procedures.
- Created the Shell Scripts to automate the execution of the PL/SQL subprograms and to move the data to store in historical folders.
- Used FTP to transfer the files into different servers as per needed by the business users.
- Involved in preparing test plans, unit testing, System integration testing, implementation and maintenance
Environment: Oracle 11g, Microsoft SQL Server 2008, PL/SQL, SQL*Plus, SQL*Loader, TOAD 10.6, AIX 7.1.