Sr.oracle Pl\sql Developer Resume
Northbrook, IllinoiS
SUMMARY
- 7 years of IT Experience as Oracle Developer for System Analysis, Designing, Development Testing & Support of Oracle 8i, 9i, 10g & 11g in Production, Staging, Development environments.
- Expert in creating complex SQL Queries, Sub Queries, Hierarchal Queries, PL/SQL Packages, Cursors, Functions, Stored procedures, Triggers, Exception handling, transaction control and xml generation. Created database objects using Oracle tools like SQL*Plus, SQL Developer and Toad.
- Excellent working knowledge of Oracle database architecture (column orientation, projections, pivoting, segmentations, partitions, high availability and recovery, security)
- Implementation experience in relational and dimensional modeling, star/snowflake schema
- Use of Analytical and Aggregate functions for performing various operations in SQL.
- Make use of Oracle Data Pump wizard. Work on export and import utilities.
- Proficient in advance features of Oracle 11g for PL/SQL programming like Using Records and Collections, Bulk Bind, Ref. Cursors, Nested tables and Dynamic SQL.
- Use efficient Joins, Indexes, bulk operations, materialized views for Query Optimization.
- Using Explain Plan to analyze tables and apply Oracle hints for Performance Tuning.
- Working knowledge on Data replication, Data Integration, High Availability, Master Data Management and Data Governance
- Proven experience architecting, designing and implementing low latency near real time systems and working with 50+ TB data sets.
- Use of Jil files and applyIM to install changes in development and production environment.
- Use of Oracle golden gate for migrating the data from MDM to CDE.
- Must have proven experience with ETL technologies and large data movements techniqueshave Change Data Capture (CDC) and data integration expertise
- Adopted agile methodologies and involve in the daily scrum meeting. Work on sprint created by scrum master in JIRA.
- Extensively use Unix Shell Scripting for creating scripts to call Oracle stored procedures and functions. Use grep, find, awk, sed commands for analyzing and doing operations on various files.
- Scheduling Data integration job using Autosys and Control - M.
- Strong experience in Data Modeling. Use Toad data modeler 3.x to design LDM and PDM.
- Worked on Oracle Database Upgrade and SQL Server decommission.
- Extensively use of Macros in Excel.
- Worked extensively on Stash, Team Foundation Server and clear case for version control and merging code from development to master.
- Documentation of projects for Business Requirement Spec(BRS), Functional Requirement Spec (FRS), Use case Spec, DFDs, Test Plan, Test Script & Test Cases.
- Extensive experience with all phases of the Software Development Life Cycle.
- Highly motivated, excellent team player, enthusiastic, strong initiative and quick learner of new technologies.
- Strong interpersonal and communication skills in dealing with customers.
TECHNICAL SKILLS
Languages: SQL, PL/SQL,C# 3.0, Unix Shell Scripting
Oracle Tools: SQL Developer 4.1, TOAD 10.6, SQL* Plus, Oracle Golden gate
ETL Tools: Informatica 9.x, SQL *Loader
Databases: Oracle 10g/11g.
Operating System: Windows 7/XP/NT/Vista, UNIX.
Data Modeling Tools: Toad Data Modeler 3.6, Erwin 7.x, MS Visio 2013, MS Powerpoint
Server: Unix and Informatica.
Other Tools: Stash, Clearcase, Autosys, Toad 10.6, Toad Data Modeler 3.6,Autosys,Stash,Jira, TFS,VSS, Putty, IIS, MS-Excel 2007/2010/2013 , CodeGen,Tivoli,JRS,HPQC,EQUIP,PRISM
PROFESSIONAL EXPERIENCE
Confidential, Merrimack, New Hampshire
Sr. Oracle PL/SQL Developer
Responsibilities:
- Work on Data contribution by creating database objects like tables, views, procedures, cursors, triggers, types, sequences, packages, functions using Toad and SQL Developer.
- Carried out Data adoption by tuning complex SQL queries using Explain Plan, Indexes, Collections, and Bulk Operations. Use Partitions, Oracle Hints for optimal query performance.
- Created conceptual, logical and physical model and review it with data analysts and DBA’s to ensure adherence to the standards.
- Scheduling Data integration job using Autosys and Control-M.
- Co-ordinate with UI developers to call AIPs through their services.
- Work on utplsql for testing.
- Work on migration of data from CDE to ODS to Warehouse using Informatica workflows and mappings.
- Use of Jil files and applyIM to install changes in development and production environment.
- Oracle golden gate for migrating the data from MDM to CDE.
- Use of stash for version control, merging changes from development folder to master folder.
- Adopted agile methodologies and involve in the daily scrum meeting. Work on sprint created by scrum master in JIRA.
- Make use of Putty to login to Informatica and UNIX server.
- Code generator to generate the packages of similar kinds.
Environment: Oracle database 10g/11g, Informatica 9.1.0, SQL Developer 4.x, Toad 10.6, Toad Data Modeler 3.6, Autosys, Stash, Jira, Unix Server, Informatica Server, Oracle Golden Gate
Confidential, Northbrook, Illinois
Sr.Oracle PL\SQL Developer
Responsibilities:
- Work with business stakeholders, application developers, and production teams and across functional units to identify business needs and discuss solution options
- Created database objects like tables, views, procedures, packages using Oracle Utilities like PL/SQL, SQL* Plus and Handled Exceptions
- Excellent working knowledge of Oracle database architecture (column orientation, projections, pivoting, segmentations, partitions, high availability and recovery, security)
- Implementation experience in relational and dimensional modeling, star/snowflake schema
- Extensively use Unix Shell Scripting for creating scripts to call Oracle stored procedures and functions.
- Use Oracle Reports for publishing returns and earnings of various entities and sub-entities
- Used Tivoli Job Scheduler for scheduling and monitoring jobs and its successor. Setting the various jobs in Production and UAT environment.
- Resolving abended jobs using application log file.
- Performance tuning, troubleshooting and bug fixing of PL/SQL scripts while working closely with the UI developers.
- Maintaining quality related documents like Project Plan, PSSP, DR-BCP, RAT Register etc.
- Extensively usedErwin7.x fordata modelingandDimensional Data Modeling
- Production support for the backend database and reporting applications.
- HPQC for logging defects and executing test cases.
- Carried out extensive data validation with client's data specialist validating complex SQL queries.
- Discussions with business groups about the data quality results and future steps to develop business rules to ensure efficient data quality check and validation.
- Designed the documentation that involves functional specification, user Manual and technical review.
Environment: Oracle database 10g/11g, PL/SQL, SQL, Erwin 7.x, Telnet, Unix Shell Scripting, Toad, Team Foundation Server, Tivoli, HPQC
Confidential, Minneapolis, MN
Sr.Oracle PL\SQL Developer
Responsibilities:
- Created Indexes to improve query performance.
- Partitioning large Tables using Range Partitioning, Index Organized Table, Rollback Tablespace.
- Pro-actively participated in SQL tuning, analyze DBMS STATS, EXPLAIN PLAN, SQL TRACE and TKPROF.
- Extract, Transform and load data from flat files, excel into oracle database.
- Rewrite SQL Queries for optimization and also developed PL/SQL packages, procedures and functions to perform certain specialized functions / enhancement on oracle application.
- Involve in the continuous enhancements and fixing of production problems and provided 24/7 production support.
- Coordinate with the DBA for table creation, granting privileges, killing inactive sessions and other administrative activities.
- Worked on Windows Batch scripting, scheduling jobs and monitoring logs.
- Developed user controls using ASP.NET.
- Deliver solutions that are reliable, easy to maintain and meet or exceed established performance measures.
- Work in Production Support Environment as well as QA/TEST environments for projects, work orders, maintenance requests, bug fixes, enhancements, data changes, etc.
- Streamlined and enhanced the quality assurance processes by consolidating and automating different tasks that resulted in increased efficiency and accuracy of data
- Built Triggers to log the information about users and the operations they perform in their session.
- Monitored indexes and analyzed their status for performance tuning and query optimization.
- Solving the offshore technical issues and co-coordinating between offshore team and client.
Environment: Oracle PL/SQL, Oracle database 11g, PL/SQL, SQL, Toad, UNIX and Windows, Team Foundation Server, Microsoft Visual Studio 2008
Confidential
Oracle PL\SQL Developer
Responsibilities:
- Analyzed Internal & External Source systems and Business Requirements to develop Health Insurance Claims Data warehouse Logical and physical model (Facts and Dimensions) and Business Process Model.
- Applying Data Modeling techniques using ERD and Data Flow diagram.
- Developed back end interfaces using Tables, PL/SQL packages, stored procedures, functions, Collections, Object types specifically for financial reporting.
- Tuning the SQL Queries for better performance and troubleshooting development problems by using Hints, Indexes, Partitioning and analyzing the Stats updates.
- Implemented Business Rules using PL/SQL Procedure/Packages with complex water fall calculations.
- Unix Shell scripting for supporting nightly batch schedules.
- Data Migration and Production support for the backend database and reporting applications.
- Importing Source Tables from the different databases.
- Performance testing, User Acceptance testing of the application and participated in code and Design Reviews, Status meetings and Walkthroughs.
- Involved in continuous enhancement, optimization and fixing of problems.
Environment: Oracle PL/SQL, SQL, 10g/11g, Oracle Reports 9i, Windows NT/2000, Linux, Oracle (9i), PL/SQL scripting, MS Visio, UNIX Shell Scripting Visual Source Safe
Confidential
Application Programmer
Responsibilities:
- Worked with Business Analysts and clients, analyzing and assessing the business specifications and designing and developing the Application.
- Developed new/modified various PL/SQL packages, stored procedures, functions, database triggers as per business requirements.
- Used TOAD, PL/SQL developer tools for faster application design and developments.
- Involved in performance tuning, troubleshooting and bug fixing of PL/SQL scripts while working closely with the UI developers.
- Responsible for translating all the business requirements into technical specifications and document the technical requirements towards ensuring compliance during Software Development.
- Involved in writing complex scripts for Data Transformation, ETL process (Extract, Transform & Load)
- Performed the uploading and downloading flat files from UNIX server using FTP.
- Applying Data Modeling techniques using ERD and Data Flow diagram.
- Worked on Performance tuning by using Explain Plan, hints and also worked on Partition tables using Range method.
- Involved in Production support for the backend database and reporting applications
- Involved in writing PL/SQL scripts which will generate auditing triggers automatically.
Environment: Oracle 10g, SQL, PL/SQL, SQL Server, Unix Shell Scripting, Data Modeling using Visio, Microsoft Excel