SUMMARY

• Positive and self - motivated professional with 8 years of working experience in Oracle PL/SQL development in business domain such as Banking and Financial Services, Insurance and Telecom.
• 3 years of working experience in SAS Programming.
• Hands on experience in software project life cycle right from requirement analysis till post implementation and warranty support on BAU mode
• Good knowledge on logical and physical Data Modeling using normalization Techniques.
• Experience in Data warehouse concepts, ETL and SCD
• Hands on experience in database design, development, performance tuning, Data Integration and Data Migration.
• Expertise in PL/SQL development and implementation of db objects such as Stored Procedures, Functions, Packages, Triggers, views, materialized view, cursors, ref cursors etc.
• Good hands on experience in migrating data from flat files to Oracle tables using SQL *loader, External tables.
• Proficient in advanced features of PL/SQL programming like Collections and Dynamic SQL & bulk collect
• Expertise in collections, dynamic SQL, and bulk collect techniques.
• Experience in handling JSON and XML data formats
• Good understanding of oracle Exadata platform concepts.
• Experience in SAS/Base, SAS/Macro programming and debugging in UNIX environment.
• Experience in utilizing SAS Functions, Procedures, Macros, and other SAS application for data updates, data cleansing, and reporting.
• Extensively used PROC Reports and SAS ODS facility to generate reports in RTF, PDF, HTML formats.
• Experience in creating application jobs in Autosys scheduler & Control M.
• Good Knowledge in Bigdata development technologies Hadoop, Map Reduce, HDFS, HIVE, HBase, Yarn, Sqoop and Oozie.
• Experience in job scheduling tools like Control M, Autosys for creating, scheduling, and monitoring jobs
• Good team player with experience in working in Agile projects execution and completion of tasks within sprint timelines

TECHNICAL SKILLS

Operating systems: UNIX, MS Windows

Languages: Oracle PL/SQL, SAS/Base, SAS/Macros, Ksh scripting

Database: Oracle, Teradata, MYSQL, SQL Server, HBase.

Tools: SAS 9.4 Enterprise Guide, TOAD, SQL developer, SQL Loader, SQL*Plus, Clarify CRM 6.0, Super PuTTy, ServiceNow, Visio, JIRA, Confluence, WinSCP

Job scheduler: Control-M, Autosys, Cron tab

Hadoop/Big Data Tools: HDFS, Yarn, Hive, Sqoop, Hue and HBase.

Version control: Tortoise SVN, GIT- bit bucket.

PROFESSIONAL EXPERIENCE

PL/SQL Developer / SAS Programmer

Confidential, Wilmington, DE

Responsibilities:

• Performing Oracle PL/SQL code changes for online account card portal.
• Creation and modification of objects such as Tables, Packages, Procedures, cursors, Ref cursors, views, Triggers, DB links on business requirement changes.
• Develop materialized views for data replication in distributed environments
• Load data from flat file to oracle db using External tables, SQL Loader.
• Develop/Modify SAS codes as per new enhancement requirements on business rules
• Have done SQL/PLSQL performance tuning using Explain plan, Dbms Profiler and TKProf.
• Created indexes on the tables for faster retrieval of the data to enhance database performance.
• Extensively used hints to direct the optimizer to choose an optimum query execution plan.
• Used Bulk Collections for better performance and easy retrieval of data, by reducing context switching between SQL and PL/SQL engines.
• Experience in writing complex SQL queries.
• Develop SAS codes using base SAS procedure such as Proc SORT, PROC SQL, PROC PRINT, PROC IMPORT, PROC EXPORT and debugging errors in UNIX environment.
• Use LIBNAME and SQL PASSTHRU facility to read data from other DB sources like Oracle, Teradata.
• Implemented AUTHDOMAIN method of authentication in connecting SAS to databases via metadata server as a part of security controls to eliminate username and password authentication method
• Developed SAS macros and modifying pre-written macro to accommodate the changes on business logic when needed.
• Use SAS Hash object technique to integrate the data sets and lookups in data step to improve the performance.
• Created customized reports in SAS using SAS ODS facility.
• Perform UAT and get signoff from Product owner and Business user.
• Involved in creating Data Lake by extracting Big Data from various data sources into Hadoop HDFS. This included data from Excel, Flat Files, Oracle, Teradata and HBase.
• Involved in data migration from RDBMS (oracle, Teradata) to distributed solution with Hadoop Clusters using - Cloudera (CDH5).
• Design Data flow in Hadoop starting from Data ingestion to compression using SQOOP into HDFS and done conversion, transformation and dynamic partitioning, bucketing using Impala, Hive.
• Design OOZIE workflow for data transfer between RDBMS (Oracle) and Hive.
• Stored data from HDFS to respective Hive tables for further analysis in order to identify the Trends in data
• Setting up new and testing jobs in Autosys scheduler for SAS, Unix Shell Scripts.
• Developed, exercised, and documented test plans to ensure developed code meets specifications.
• Created various sample dataset in testing environment &conduct UAT/Review for sign off.
• Performing production deployments for ADHOC code change as per business requirement.
• Working on ADHOC queries for various application reports generated on a daily/weekly or monthly basis

PL/SQL Developer

Confidential

Responsibilities:

• Requirement analysis and design of models based on the discussion with application owners and business users.
• Developed SAS codes to generate user reports (standard data files) as per business requirements and conversion of excel reports to SAS datasets. Testing and debugging the same.
• Created database objects like Tables, Views, Stored Procedures, Functions, Packages, DB triggers, Indexes.
• Used Bulk collect techniques (BULK COLLECT, FOR ALL, Save Exception, sql%Bulk exception) to improve performance for loading and updating large data set with reduced context switching.
• Created PL/SQL scripts to extract the data from the operational database into simple flat text files using UTL FILE package.
• Handled Json data and XML data.
• Done SQL/PLSQL performance tuning with Explain plan, DBMS PROFILER and TKProf
• Created KSH scripts to automate the housekeeping processes, reports with scheduled jobs and manual file transfer from one server to other.
• Prepared Maintenance requirement document and technical specification document as per client requirement.
• Created Unix KSH scripts for batch process and scheduled using Control M.
• Co-ordinated with testing team to analyze the defects and resolve the defects raised.
• Documentation of projects such as Functional Requirement Spec (FRS), ER-Diagram.
• Worked with application owners to automate/generate ADHOC reports for their study on business improvements and batch process with UNIX shell scripting.

Confidential

Responsibilities:

• Developed Ezpay application using Oracle 11g, PL\SQL Developer, and TOAD.
• Worked on Account summary batch services. Created stored procedure, Packages, Tables, indexes, Arrays, Records, and Dynamic SQL etc.
• Responsible for the ADHOC changes in the database level.
• Designed Job Schedule information for batch jobs with Autosys scheduler
• Requirements gathering from business and prepare use case diagrams, business requirement documents such as BRD.
• Worked on preparation of project plan, functional specification document, PL/SQL code review, and test case creation.
• Adhered to timelines within the given schedule and delivered without slippage.