SUMMARY

• Outstanding Big Data Hadoop, Java/J2EE, No Sql Database, PL/SQL, Data Ware Housing and Continuous Integration Tools with Exceptional Software Engineering, and successful track record of over 9 years full stack development lifecycle from Design, Development and Deployment of various products like Supply Chain ( Confidential ), Payment Gateway (Verizon) and Banking ( Confidential ).
• Multifaceted experience in Big Data using Hadoop and Hadoop Ecosystem HDFS, Map Reduce, Pig, Hive, Sqoop, Flume, Oozie and Spark.
• Experience in Spark Sql, Spark Data Frames, Spark Streaming and Spark Hive.
• Experience in using Scala and Python programming with Spark in big data.
• Proficiency in developing and working with Apache Kafka
• Experience in No Sql Data Bases MongoDB and HBase.
• Experience in working on AWS.
• Experience in developing software solutions on Big Data Platforms in Cloudera.
• Very strong programming skills in SQL, ANSI SQL, PL/SQL, Database functions/ Packages/Procedures/Triggers and Oracle Designer
• Expertise in high transaction database modeling, design and development.
• Experience in using ETL Oracle Data Integrator (ODI) and OBIE.
• Experience in working UNIX Shell scripting and Linux platform.
• Experience in working Java 1.6 and 1.8.
• Experience in developing web based applications using Java/J2EE, Servlets, JDBC, JSP, JSF, Struts and Spring Frame Works.
• Expertise in developing middle - tier technologies using EJB 2.0 and Hibernate with JBoss, OC4J, Web Logic 9.2 and Web Sphere.
• Experience in using Hibernate, EJB 2.0 and Spring JDBC.
• Proficiency in developing RMI, RPC, CORBA-IIOP, JMS and IBM's MQ Series.
• Strong work experience in application integration using Web Services such as SOAP, WSDL, Restful, JAX RPC, JAX B, JAX-WS, JAX-RS, Jersey
• Proficient in XML and its parsing technologies like XSL/XSLT, SAX, DOM, X path, SOAP, WSDL, DTD, XSD, XMI, SOA, JAXB, JAXP.
• Experience in using Web Technologies HTML4, HTML5, CSS3, Java Script, JQuery, Jquery Data Grid, Angular Js, Node JS,Gulp and AJAX.
• Experience in using build tools Ant, Maven, Jenkins and Gradle.
• Experience in using tools SVN, CVS, Clear Case, Github, SOAP UI, SQL Developer, TOAD, Net Beans, JDevlopper and My Eclipse.
• Expertise in gathering business requirements, capacity planning, resource planning, functional analysis, design, implementation and gap analysis.
• Strong Knowledge in Agile Development, Scrum and Waterfall Methodologies.
• Expertise in the domain of Retail Banking including Originations, Deposits, Lending (Personal and Student Loans) and Cards.
• Expertise in the domain of Supply Chain Management (Logistics) for end-to-end operations including the Accountancy.

PROFESSIONAL EXPERIENCE

Confidential

Senior Consultant

Responsibilities:

• Worked on a Hadoop cluster running on Coludera Distribution.
• Understanding the customer behavior by combining structured data such as Customer Relation management (CRM), transaction and point of sales, with unstructured data such as web logs, social media and mobile interaction to get new insights that drive customer acquisition by using Map Reduce Programs, Pig Scripts, Hive and Scala programs on Spark, Spark Sql and Spark Data Frames.
• Exploring with the Spark for improving the performance and optimization of the existing algorithms in Hadoop using Scala, Spark Context, Spark Streaming, Spark-SQL, Spark Data Frames, Spark Hive Context, Pair RDD's and YARN.
• Used Oracle Data Integrator Knowledge Modules of sqoop to ingest the RDMS data from various legacy systems into HDFS and from HDFS to Oracle Tables.
• A platform to dump data from multiple data sources into HDFS using Kafka
• Planned and created answer for constant information ingestion utilizing Kafka, Spark spilling and different NoSQL databases.
• Developed multiple Kafka Producers and Consumers from scratch as per the business requirements.
• Developed workflow in Oozie to automate the tasks and scheduling the Jobs.
• Worked on performance tuning on Hive QLs and Pig Scripts by using advanced joins in Apache Pig and Hive by using ORC file formats.
• Used ODI ETL tool for further processing of files generated in the HDFS.
• Created reports by using Oracle BI Publisher after the data ingest to the RDMS.
• Used the MongoDB for to load the customer data before originate account, to store the weblogs and server logs to track in future.
• Responsible to manage data coming from different sources and involved in HDFS maintenance and loading of structured and unstructured data.
• Integrated Quartz scheduler with Oozie work flows to get data from multiple data sources in parallel using conditional nodes fork and Join.
• Developed multiple POCs using Spark and deployed on the Yarn cluster, compared the performance of Spark, with Hive and SQL
• Created Partitions, Buckets based on State to process Bucket based Hive joins.
• Developed Custom Input Formats in Map Reduce jobs to handle custom file formats and to convert them into key-value pairs.
• Worked on custom Pig Loaders and storage classes to work with variety of data formats such as JSON and XML file formats
• Written Shell Scripts on Linux environment
• Used Oozie workflow engine to manage Hadoop jobs and to automate several types of Hadoop jobs Java, map-reduce Hive, Pig, and Sqoop and Spark.
• Developed UNIX shell scripts to load large number of files into HDFS to Linux
• Experience in handling data in different file formats like Text, Sequence, Avro, RCFile and ORCFile in Map Reduce, Hive and Spark.
• Developed Service Oriented Architecture using Apache Axis Web Service framework using protocol such as SOAP, REST, JAX-RPC, JAXB, WSDL and UDDI.
• Involved in writing Micro Services to provide security for the application access.
• Written Spring Rest services for IVR, Call Center and Web Applications.
• Developed Spring AOP and AspectJ to log processing for the applications.
• Implemented Core Java design patterns Singleton, Factory, Abstract Factory, Builder, Prototype and Proxy Design patterns.
• Core banking in Server Side distributed object development using Java 1.8, J2EE, Spring IOC, Spring MVC, Spring AOP, Spring Boot, Security and IBM Web sphere.
• Developed Restful and SOAP web services for Payments Regular/Modify/Delete, Payment Refund, Payment Correction and payment dispute for Lending module.
• Implemented caching for all the drop values for the entire application.
• Written Multithread programs to improve the performance for various services.
• Migrated Agent Roles and Financial modules from Java 1.6 to Java 1.8
• Business logic implemented by using Hibernate, Spring JDBC, Hibernate and JPA.
• Written Spring Micro Services for Account Summary, customer Summary and etc.
• Implemented business logic by using Hibernate, Spring JPA and Spring Batch.
• Involved in writing build scripts Jenkins, Maven and Gradle.
• UI validations and process using by Angular JS, Jquery Data Grid and Ajax calls.
• Developed paginations through the entire application using Node Js, Jquery Data Grid, Angular Js and Ajax calls, HTML5, CSS3 and UI validations.
• Involved in Database Schema design and PL/SQL Procedures and triggers for Originations, Deposits, and Personal Loans Student Loans and agent roles.

Environment: Java 1.8, JAVA/J2EE, SOAP, Restful, Spring JDBC, Spring MVC, Spring Boot, Spring Profile, Spring AOP, Angular JS, Node JS, Gulp, Hibernate, SQL, PL/SQL, Hadoop, Cloudera 4.5, HDFS, Map Reduce, PIG, HIVE, Oozie, MongoDB, HBase,Spark Sql,Spark Data Frames, Spark Hive, Kafka, Scala, ODI,OBIE, Unix, Linux, Shell Scripting Maven, Gradle, Github, AWS, Oracle 11i, Clear Case and Web Sphere .

Confidential

Analyst in Verizon

Responsibilities:

• Done the integration of Spring IOC, JSF and Hibernate.
• Developed server side programming using Hibernate and Spring JPA.
• Developed Java Server faces, validations and Ajax Calls.
• Worked on XML Parsing (JAXB/DOM), XML Schemas/DTD and XML Beans.
• Implemented business logics using, JSP, Java beans, UI components, and Ajax.
• Developed multithread programs and PL/SQL procedures, optimized Records, arrays to improve the Usage process to hours to minutes.
• Developed Hibernate mapping definitions for persistent layer.
• Configured and deployed application on Web Logic Application Server using Maven
• Developed monthly reports like monthly active customer reports, monthly CC decline reason report and monthly DD returns report JSP, spring and PL/SQL.
• All UI Validation done by using Jquery, CSS, HTML and Java Script
• Involved while migrating Sql Server 2.1 to Oracle 11i
• Written DB packages for charge backs phase I and backs phase II
• Written DB functions, procedures, packages and triggers for payments.
• Developed payments by creating ODI interfaces, ODI procedures and ODI jobs us
• Worked with core java concepts like Collections Framework, Multithreading, and Memory management and load testing.
• Worked on code optimization & performance tuning of application

Environment: JAVA/J2EE, JSF, Spring IOC, Hibernate, ODI, Web logic 9.2, JSP, XML, SOAP Web Services, SQL, PL/SQL, and Oracle11i.

Confidential

Senior Software Engineer

Responsibilities:

• Developed Message Driven Beans (MDB) for Tariff Uploads, Zip Code Uploads and for Auto Rating and written Entity Beans, JMS and Struts for Tariffs module.
• Developed Billing Module (Sales Invoice and Purchase Invoice) by Using Struts.
• Developed House Airway Bill (HAWB), Master Airway Bill (MAWB), Roles, Users Modules and Flight Schedule Upload from end to end from UI to DB using JMS.
• Developed server side programming using EJBs and Message Driven Beans JMS.
• Designed and developed web interfaces and business logic using Struts Framework (MVC architecture), JSP, Servlets, Java Beans, Ajax, Java Script, HTML, DHTML and XML Technologies
• Involved in integration between Rating Vision, Auto Rating and eTrans with SOAP web Services, JMS, PL/SQL procedures and Data Base design.
• Involved in writing Auto Rate SOAP Web Services, PL/SQL Triggers, Database schema design and integrating with e-Trans application.
• Developed financial Reports (Trail Balance, Balance Sheet and Profit and Loss).
• Implemented Crystal and Jasper Reports for Account Receivables and Account Payable Reports. Involved in Load Testing for Tariff Uploads and Auto Rating to fix performance issues and UI validations using Java Script, CSS and Jquery.

Environment: Java/J2EE, EJB, JMS, Struts, JSP, XML, SOAP Web Services, SQL, PL/SQL, JBoss, OC4J and Oracle10g.

TECHNICAL SKILLS

Operating System: Windows, Linux

Environment: HDFS, Map Reduce, Pig, Hive, Sqoop, Flume, Oozie, Spark, Scala, Python, Kafka and Cloudera.Java 1.8, Java/J2EE, Hibernate, EJB, JMS, MQ Series, Struts, JSF, Spring MVC, Spring IOC, Spring AOP, Spring Boot, Spring Profile and Spring JPA, Spring Batch and Spring Security.Web services (Axis and Rest Full),Oracle Admin Portal,Jquery,Ajax,Json,PL/SQL, Oracle Data Integrator (ODI) (ETL engine),Oracle Business Intelligence Publisher (OBI).JBOSS, OC4J, Weblogic and Websphere

Database: Oracle 9i,10g,11i and 12, DB2,Mysql,Mongo DB and HBASE

Internet Tools: HTML, Java Beans, Java Script, Json, Jquery, Angular Js and Node Js

Languages: Java/J2EE, IBATIS,Hibernate,EJB,JMS,Webservices,Struts,JSF,Spring MVC, Spring JDBC and PL/SQL

Other: Data Modeling, UML,PL/SQL,Oracle Data Integrator (ODI), Oracle Business Intelligence Publisher (OBI),TOAD Functional