PROFESSIONAL SUMMARY

• 10 years of professional experience in Oject Oriented Analysis and Design, Development, Support and Maintenance in scalable, multithreaded distributed applications using Java and J2EE Technologies.
• Expertise in Developing server side components using Java & JEE and Various Spring modules.
• Experience with working on Multi thread environment.
• Experience in developing High Scalable and low Latency applications.
• Developed Unit Test cases using Junit and TestNG.
• Experience with Developing in memory caching using Spring Data Redis.
• Expertise in developing Event handling and Messaging systems using Kafka and JMS.
• Expertise in developing REST / SOAP web services.
• Experience with developing client APIs to consume the web services.
• Expertise in working with relational databases such as Oracle, MySQL.
• Good Working experience with Mongo Database using Spring - mongo module.
• Experience with developing independent applications using Cassandra Database.
• Good Experience with Front end web development using HTML, CSS, JavaScript and JQuery.
• Expertise with AJAX, parsing JSON.
• Development Tools, Source Repositories and Servers:
• Source Repositories like GitHub, SVN and CVS.
• Application Servers like Jetty, Tomcat, Jboss and Web Logic servers.
• Development Tool such as Eclipse, JDeveloper and Intelij.
• Good understanding of internals of core Hadoop components YARN, HDFS, and.
• Good Knowledge on developing Map Reduce jobs and Spark jobs (using Scala, Spark core and Spark SQL).
• Good Understanding on Various Hadoop eco system components like Hive, Hbase, Sqoop, Zookeeper and Oozie (Workflow and scheduling jobs).
• Developed Web Data Connector to integrate Tableau with Web Services.
• Developed API to generate Tableau Data Extract files and published into Tableau Server.

PROFESSIONAL EXPERIENCE

Confidential, Sunnyvale CA

Technical Java Lead/ Developer

Roles and Responsibilities:

• Developed API for generating and publishing Tableau Extract Data file into server with a schedule basis using Quartz.
• Successfully Integrated with Tableau by creating web data connector for web services using JQuery and HTML.
• Implemented OAuth Authentication Model using Spring Rest Api
• Developed Dynamic Query service model using Velocity Templates.
• Implemented in memory data storage using Spring Data Redis Api.
• Developed Data Sharing module using Cassandra Database independently.
• Involved in developing search API to search documents with Solar Search engine.
• Improved Sonar code coverage using JUnit Test Cases.
• Developed Proxy Services to customize the service execution pipe line process.

Environment: Spring, Web services, GIT, Jetty, Cassandra, Redis, Velocity Templates, Solar Search

Confidential, Sunnyvale CA

Technical Java Lead/ Developer

Roles and Responsibilities:

• Implemented Geocoding module to geocode the address during migrating Google Map geocoding to Confidential Map geocoding.
• Developed Event Messaging System using Kafka.
• Developed Impersonating API to allow others to access in same context.
• Implemented App-App Authentication Model.
• Implemented data access layer using spring mongo API.
• Developed spring controllers to handle the request from UI.
• Implemented Espresso Service API to raise tickets in production.
• Responsible for maintaining the code repository in SVN.
• Coordinating Upstream and Downstream to maintain data integrity.
• Implemented JUNIT test cases.
• Customized HttpMessageConverters for XML, Excel, CSV and Json content type and accept types using spring-web API.

Environment: Spring, Web services, Web Logic, Mongo DB, Unix, Maven

Confidential, San Jose CA

Senior Java Developer/ Lead

Roles and Responsibilities:

• Developed Routing API to redirect the request to respective host specified in the Database based on the request.
• Generated Queries Dynamically using Velocity Templates.
• Implemented Health Check API to check the health of the application.
• Implemented API to Schedule the offline jobs for fetching the upstream data.
• Developed FileAlterationListener to monitor the file system and update the application configuration if there is any change.
• Developed UI pages using JQuery and JavaScript.
• Developed API to consume Partner locater services and update in database.
• Developed Client API to Consume the Resolve Config services using Jersey API.
• Developed Restful Web services using Spring Rest.
• Implemented Ldap service for Authentication.
• Developed Notification service by generating email templates and send email to customers.

Environment: Spring, Web services, Tomcat, Oracle10g, Unix

Confidential, San Jose CA

Senior Java Developer

Roles and Responsibilities:

• Implemented Throttling functionality for limiting the RPS.
• Implemented Streaming result API to stream the data with fetch size from database.
• Developed API to read localized messages from external source.
• Developed User preference service to save/retrieve preferences from Cassandra database.
• Implemented File Upload and Download Services
• Developed Messaging System using JMS.

Environment: Struts, spring, Hibernate, Web services, Tomcat, TestNG, Oracle10g, Cassandra, UNIX

Confidential

Java Developer

Roles and Responsibilities:

• Developed application using Struts MVC Architecture.
• Developed Discovery, Inventory and Catalogue services using Spring Rest APIs.
• Using Jersey API developed client code to consume web services.
• Handled enhancement requests and worked on production issues.
• Responsible for UAT and Production deployment activity.
• Implemented Method Interceptors using Spring AOP
• Developed Interceptor pipe lines to validate authentication and authorization.
• Developed Data Access Layer to execute queries using Spring JDBC templates.
• Created dynamic queries using Velocity Templates.

Environment: Struts, spring, Web Service, Oracle 10g, Tomcat

Confidential

Roles and Responsibilities:

• Involved in designing home loan process, approvals and sanction loan.
• Developed UI Components using Struts Tiles, Jsp and JavaScript.
• Developed DWR to execute simple java methods from JavaScript.
• Performed UI validation using JavaScript and Server side validation using Struts Validation framework.
• Implemented various design patterns Business Delegate, Session Façade.
• Developed Data Access layer to execute DML and DDL operations in using SQL.
• Developed Junit test cases to test end to end functionality and code coverage.
• Implemented Bean Management and dependency injections using Spring IOC.
• Implemented logging framework using Log4j.
• Responsible for maintaining the code repository in CVS.
• Developed client code to consume web service and parse the response.
• Implemented LDAP Authentication model.
• Configure JDBC Data Sources and Connection pooling in OC4J Standalone Server.

Environment: Spring, Struts, Oracle, Tomcat.