SUMMARY:

• Sun Certified Web Component Developer with 11 years of experience in design, development and maintenance of n - tier web-based applications, restful API and databases. Working with Big Data technologies for last 3 years.
• Excellent working experience with Hadoop and related technologies stack. For last three years I am working on Big Data stack. Besides development experience with Cassandra, Hadoop and Spark, have good knowledge of their administration.
• Strong work experience with Big Data Technologies i.e Hadoop ecosystem, HDFS, Map Reduce, Pig, Hive and Spark
• Strong work experience of DataStax Cassandra and OpsCenter. I can easily install and manage DataStax Cassandra cluster and configure nodes as Solr, Hadoop and Spark based on the application requirement.
• Strong knowledge of web services both REST and SOAP based.
• Extensive experience in Design and Development of Web based Enterprise applications using JAVA, JSP, Servlets, Confidential, XML, and XSLT.
• Strong work experience in developing applications using Spring Core, Spring MVC, Spring Confidential, Hibernate, JPA, Quartz etc.
• Hands on experience in UI frameworks Angular 2/4, Vue.js and ReactJs
• Have experience in deployment and configuration of enterprise applications in Tomcat, WebSphere and JBoss
• Strong experience in using development IDEs, Eclipse and Intellij Idea
• Strong experience in configuration management using SVN and GitHub
• Sincere, enthusiastic, hardworking with good communication and interpersonal skills and appetite to learn new technologies.

PROFESSIONAL SKILLS:

• Spring
• Struts
• Hibernate
• JPA
• Jersey
• OSWorkflow
• Quartz
• JUnit
• Lucene
• Activiti
• Maven
• Cassandra(Datastax)
• HBase
• Spark
• Hadoop
• Pig
• Hive
• Scala
• Mircrosoft Azure
• Verizon cloud
• Apache Tomcat
• Websphere application Server 6.0
• JBoss 4.2
• Angular2
• React
• Vue.js
• Core (Factory, Singleton, Command, Mediator, Iterator, Observer, Strategy, Adaptor, Decorator, and Proxy)
• J2EE (Front Controller, Application Service, Business Delegate, DTO, DAO, and Service Locator)
• Development Tools (IDE)
• Eclipse
• Intellij Idea
• GitHub
• SVN
• Oracle 9i/10g
• MySQL 5.0
• SQL Server
• TOAD
• Sql Developer
• MySql Workbench

PROFESSIONAL EXPERIENCE:

Confidential

Software Engineer

Responsibilities:

• Designed and developed RESTful service in Play for barcode reader feature. Data was stored in Cassandra
• Designed database schema for application in Cassandra.
• Installed Datastax Cassandra Cluster for serving the data to mobile application. I was responsible for managing the whole Datastax Cassandra cluster.
• Divided the cluster into Hadoop, Solr and Cassandra nodes based on different use cases.
• Upgraded Datastax Cassandra from 3.x to 4.x
• Installation, configuration and management of Datastax Opscenterd.
• Designed and developed jobs for loading bulk data from different datasources like Oracle, TeraData and MySQL into Cassandra.
• Bulk data upload into DataStax Cassandra using Hive, SSTABLE Loader and Confidential approach.
• Administration of Safeway cloud hosted in Verizon Terramark. I was responsible of installation, configuration and management of all the virtual machines which include all the environments DEV, QA and PROD.
• Installed and managed the SVN server for mobile app development team.
• It was my initiative to introduce Hadoop in our team for Mobile application development. I designed and implemented complete infrastructure and then developed application on top alone.

Confidential

Telepresence Experience & Order Assurance

Responsibilities:

• When I joined this team the tool was using Confidential . I configured Hibernate and integrated it with Spring.
• There was no concept of transaction within the tool. I introduced the Spring transaction configuration to manage the business transactions.
• Improved the tool performance by minimize the memory leaking. Decreased the loading time of listing screens by implementing the paging and also optimized the related queries.
• I designed the database for two modules RRA and CTeX.
• I designed and developed the security module. I took each task as privilege, which was assigned to a particular role, and then each role could be assigned to one or more users.
• Created the user module to add, update, and delete the users.
• Configured logging framework using Log4j.
• Created notification framework to send the system error to support team and send application related notification to end customers.
• Migrated the application from San Jose to RCDN datacenter.
• Worked with designing team and implemented the new UI for the tool using jQuery UI.
• Used iText for generating the different PDF reports.
• Used FreeMarker as template engine for generating the word doc file.

Confidential

Developer

Responsibilities:

• Installed and configured the Alfresco content management suite in staging and production environment.
• Integrated the Alfresco with OpenSSO.
• Introduced the custom workflow for the web page publishing using Alfresco customs extensions.
• Designed and created XSD and templates using FreeMarker to generate web pages using Alfresco web content management.
• Client created thousand pages web pages using only fifteen templates those I designed using XSD and Freemarker.
• Designed and configured Hibernate with Spring for the user management and security modules.