Oracle Developer/analyst Resume
Portland, OR
SUMMARY
- Oracle Developer and Engineer with 6 Years of experience in Oracle 11G/10G, PL/SQL, Logical/Physical Data Design, Application Support, Oracle Performance Tuning and Optimization.
- Experience in writing complex SQL, PL/SQL Functions, Stored Procedures, Packages, Triggers, Collections, Ref cursors, SQL & PL/SQL scripts, Ad - hoc queries etc.
- Over 5 years of Experience in strong Data Warehousing usingInformaticaPower Center (Source Analyzer, Warehouse Designer, Mapping Designer, Mapplet Designer, Transformation developer),InformaticaPower Mart, Power Center.
- Experience in usingInformatica(Power Center) for implementation ofETLmethodology in Data Extraction, Transformation and Loading.
- Created several jobs in Tidal to scheduleInformaticaworkflows as per business requirement.
- Excellent understanding of Software Development Life Cycle (SDLC), requirement analysis, design document, implementation, review specification, testing and maintenance of applications.
- Extensively worked on Dimensional modeling, Data migration, Data cleansing and Data Staging of operational sources usingETLprocesses and providing data mining features for DWH.
- Involved in Full Life Cycle Development of building a Data Warehouse and Business Intelligence concepts with emphasis onETLusingInformaticaPower Center (Repository Manager, Designer, Workflow Manager for scheduled workflows and Workflow Monitor).
- Extensive experience in writing UNIX shell scripts and automation of theETLprocesses using UNIX shell scripting.
- OracleADFconsulting in-depth experience in designing, implementing, documenting, and maintaining highly complex and scalable software applications.
- Reputation for delivering robust and reliable software products within very demanding deadlines.
- Considerable experience in Health care, Banking, Finance and Airline industry.
- Extensive experience in design, ADFapplication development deployed usingWeb logic application server, good experience in database programming using Oracle 10g/11g, and server.
- Involved in Design, development, implementation, testing, support and documentation of custom business applications using Oracle technologies.
- Involved in User Acceptance Testing (UAT), Unit testing, System testing, Integration testing, Development and Production.
- Facilitate and manage new projects utilizing SDLC standards. Work with business users to document and re-engineer business processes.
- Strong analytical and conceptual skills in database design and development in client/server applications.
- Excellent customer relationship, facilitation, organization and problem solving skills.
- Experience in designing and developing forms, reports and automated workflows.
- Communicate with the business users and/or functional team to identify, analyze, and translate business needs into functional specifications.
- Migrated large data between different data sources to Oracle databases.
- Designed the database along with the team and UI design as per design documents.
- Implemented solutions in Data Warehouse (OLAP), OLTP and Hybrid environments.
- Strong troubleshooting and organizational skill.
- Designed PL/SQL procedures and packages to connect to JAVA for front-end and very good knowledge about Object Oriented Programming (OOP).
- Hands on experienced in Tuning SQL Statements using Execution Plan, HINTS, TKPROF.
- Proficiency in solving issues after an application release in production.
- Strong knowledge on information systems, automation tools & automated workflows.
- Capable in leading a team by providing them direction, knowledge transfer and assistance in work.
- Flexible and versatile to adapt to any new environment with a strong desire to keep pace with latest technologies.
- Involved in all phases of the Software development Life Cycle (SDLC) from analysis, design, development, testing, implementation and maintenance with timely delivery against aggressive deadlines.
- Highly skilled and experienced in Agile Development process for diverse requirements.
- Create team specific agile process flow in JIRA to move tasks from one activity to another.
- Providing continuous support and resolving queries raised by the end users in all locations.
- Excellent communication, interpersonal, analytical skills, Problem solving skills and strong ability to perform as part of a team.
TECHNICAL SKILLS
Databases: Oracle 11g/10g, My SQL, MS SQL Server 2008, MS Access, DB2 400, SQL, PL/SQL, UML, RDBMS Concepts
REPORTING Tools: Oracle reports 11g/10g/9i, Crystal Reports
Tools: Oracle SQL Developer, PLSQL Developer, SQL*Plus, SQL* Loader, Oracle reports 11g/10g/9i, TOAD, Oracle Enterprise Manager, Cognos, Discoverer, HP PPM.
Scripting: UNIX shell scripting, Java Script
Operating Systems: Windows NT/2003/2008R2/2012/2014, Linux, UNIX.
PROFESSIONAL EXPERIENCE
Confidential, Portland, OR
Oracle Developer/Analyst
Responsibilities:
- Requirements gathering from Business Analysts and end users.
- Responsible for developing database objects - Functions, Stored Procedures, Packages, Cursors, Triggers, Tables, Views etc.
- Maintain 10gADFapplication by fixing the defects and enhancements.
- Migrating 10g application to 11g and deployed in latest web logic servers.
- Participating daily scrum team meetings, and direct interaction with the users to discuss business requirements.
- Preparing the High-level design document for each modules.
- ETL/ Data Warehouse experience, preferably with SQL Server/TSQL.
- Excellent knowledge onInformaticaPower Center development.
- Designed theETLspecification documents to gather existing workflows information from differentETLteams and shared with Integration and production maintenance team.
- Designed theETLruns performance tracking sheet in different phases of the project and shared with Production team.
- Worked along with theInformaticaprofessional to resolvedInformaticaupgrade issue.
- Design and developed user interface components usingADFRich Faces.
- Developed UI fragments, templates and bounded task flows using JDeveloper 11g.
- Worked on tickets to fix the application issues reported by the end users.
- Highly worked on level-2&3 escalated/elevated tickets to clear the issue on time.
- Optimizing the performance using PL/SQL table types, record types and Hints.
- Worked on table partitioning and index creation for the performance improvement.
- Developed SQL& PL/SQL scripts for Extraction, transformation and Loading of Data and designed source Entities for Oracle.
- Provide support for the application and infrastructure including troubleshooting, performance tuning.
- Created UNIX Shell scripts to automate workflows, Batch Jobs and Loading Process.
- Created physical and logical data model by using Microsoft Visio.
- Modified existing data model according to the requirements provided by Business Analyst.
- Performed data analysis and data clean ups and prepared weekly, biweekly & monthly reports.
- Created some Custom reports and Forms for the end users to check the details and errors.
- Involved in writing Test Cases and Unit Analysis and Testing (UAT) to test each and every issue reported before the fix deployment.
- Extensively wrote the SQL queries to develop test data for use during test execution.
- Involved in the preparation of Technical Specification Documentation.
- Analyzing the performance of the SQL queries and created the scripts for indexes.
- Used Explain Plan, SQL Trace, TKPROF, Indexes, and Hints etc to improve the Performance of the code.
- Used Document Imaging Software to manage files in electronic format.
- Highly skilled and experienced in Agile Development process for diverse requirements.
- Create team specific agile process flow in JIRA to move tasks from one activity to another.
- Coordinated with Business Analysts in meetings to analyze the requirements and explore potential solutions.
- Involved in daily status meetings with the development team and project managers to resolve technical and application issues.
Environment: Oracle 11g, WINDOWS 7, UNIX, SQL, PL/SQL, PL/SQL Developer, SQL*Plus, Forms/Reports 11g, Crystal reports, Oracle SQL Developer, JIRA, HP PPM.
Confidential, Concord, CA
Oracle Developer
Responsibilities:
- Created packages and stored procedures to load data from staging tables into transaction tables.
- Created triggers to auto generate the load date and time when the data got loaded into the staging table.
- Created views, materialized views, tables, functions to meet business requirement.
- Developed SQL and PL/SQL scripts to transfer tables across the schemas and databases.
- Extracted data from transaction tables as well as loaded data onto the transaction tables from excel sheets, files.
- Worked in development, QA as well as production environment.
- Developed and modified a number ofFormsand Reports for various modules.
- Worked on data validation and data cleansing between different sites and the back end.
- Tuned and optimized SQL queries as and when required to improve the performance of the tool.
- Used various join conditions in SQL query to create views, tables, and materialized views in an efficient manner.
- Participated in the migration of the tool from development to production and supported the issues which occurred due to migration.
- Handled large sets of data which contained more than 3,000,000 rows
- Performed unit testing on various modules involved in the application.
- Added various files to the Mercurial version Control by using UNIX Shell Script and created a directory in UNIX to store the version control files.
- Created back up files in mercurial version control by using UNIX shell script.
- Worked on Oracle Discoverer to perform automation scheduling and created scheduling reports.
- Involved in data analysis and data clean ups and prepared monthly reports.
- Created customized job intervals using DBMS JOBS to start and stop at specified intervals
- Worked on enhancing and tuning SQL Queries.
- Prepared technical design/specifications for Data Extraction, Data Transformation, Data Cleansing and Data Loading.
- Involved in meetings with Business Analysts and end users on application issues for gathering the requirements and communicating the same to development teams.
- Implemented agile development practices according to the application requirements.
- Actively involved in team meetings both on and offshore.
- Create team specific agile process flow in JIRA to move tasks from one activity to another.
- Wrote scripts to merge data from one system to another system.
- Communicated with Business Analysts to gather the requirements and essential enhancements, and ensure alignment with development teams.
- Coordinated with the team in the daily status meetings to check the status and report the same to the project manager.
Environment: Oracle 11g, SQL Developer, SQL*PLUS, PL/SQL, Oracle Forms/Reports 11g, Crystal reports, JIRA, Mercurial Version Control, Oracle Discoverer, UNIX, Windows.
Confidential, Houston, TX
Oracle Developer
Responsibilities:
- Coordinated with DBA in creating and managing table, indexes, table spaces, triggers, database links and privileges.
- Implemented physical database models with Oracle 10g and developed stored procedures, packages and created functions, triggers using Oracle PL/SQL.
- Identified and documented attributes for entities and defined domain for all attributes.
- Develop and review deliverables including requirement, design and test documents Collaborate with functional and technical teams to resolve technical database related issues.
- Prepared and documented the Technical Design according to the business requirements.
- Prepared technical design/specifications for Data Extraction, Data Transformation, Data Cleansing and Data Loading.
- Worked in “Software As A Service” (SAAS) architecture, to design and develop the applications business logic in the Oracle 10g/11g databases
- Review of the performance testing results and providing input to the testers or Production support team.
- Supported the testing team with Defect Management, Requirement Analysis and SQL development for back-end and regression testing.
- Directly involved in process improvement plans and implementing business change
- Extracted data from various sources performed Data transformations and loaded the data from the various sources into the target Oracle database using SQL*LOADER.
- Wrote PL/SQL Stored Procedures, Functions and Packages and Triggers with extensive use of cursors, complex joins, date functions and string handling functions to implement business rules into the application.
- Created complex PL/SQL packages for business operations using various PL/SQL records and collections.
- Wrote complex SQL & PL/SQL scripts for database object management and space management (to rebuild indexes/tables) and reporting packages.
- Testing of production fixes in the test environments to ensure they have resolved given issue as well as ensure production fixes do not cause other application issues.
- Participated in designing and development of software using agile development practices.
- Create team specific agile process flow in JIRA to move tasks from one activity to another.
- Actively involved in preparing training document for application development and QA, UAT teams.
- Was part of daily stand up meetings and weekly project progress meetings with the project manager and the development team
Environment: Oracle 10g/11g, SQL Developer, SQL*PLUS, PL/SQL, Oracle Forms/Reports 10g, Crystal reports, JIRA, UNIX.
Confidential
Oracle Developer
Responsibilities:
- Analyzing the requirement specifications.
- Created PL/SQL scripts at the database level for the new objects.
- PL/SQL coding for Exception Handling and duplicate data maintenance.
- Developed several Oracle Stored Procedures.
- Developed PL /SQL code for updating payment terms.
- Generation of Reports to suit the functionality.
- Created reports driven by stored procedures.
- Was part of daily status meetings and project progress meetings
- Proficient in debugging PL/SQL packages, procedures, functions, triggers, cursors, materialized views to troubleshoot application issues.
Environment: Oracle 9.0/9i, Developer 2000(Forms 4.5, Reports 3.0), SQL*loader, Oracle Forms/Reports 9i, TFS.