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Sr Java Engineer Resume

Tempe, AZ

SUMMARY:

  • Over 14 years of extensive software development life cycle experience including: analysis, design, development, testing, deployment and documentation.
  • Expertise in Healthcare, Banking, 401K, Health and Welfare domains.
  • Expertise in Hadoop/ Big Data, HDFS, MapReduce, Hive, HBase, SQOOP and PIG.
  • Experience in MVC (Model View Controller) architecture using Hibernate, Spring and Struts framework and various J2EE design patterns and UML methodologies.
  • Hands - on experience in Spring WS, Axis-2 to create Web Service.
  • Proficient in Java/J2EE technologies like: Java Servlets, JSP, JMS, JDBC, JQuery and JSTL.
  • Expertise in Functional programming with Clojure.
  • Experience in AJAX, XML/XSLT, JavaScript, DHTML, CSS and HTML.
  • Worked on different application servers and web servers, including: Weblogic and Tomcat.
  • Hands-on experience with databases like Oracle, MySQL and Postgres.
  • Expertise in markup and scripting languages such as XML and JavaScript.
  • Expertise in Object Oriented Programming ( OOPS ) concepts.

TECHNICAL SKILLS:

  • Hadoop 1/ Big Data
  • HDFS
  • MapReduce
  • Java 1.8
  • Spring 3.0
  • Hibernate 3.3
  • SpringXD
  • JMS
  • Amazon WS
  • MongoDB
  • Clojure
  • JUnit 4.3
  • XML
  • XSLT
  • DOM 1.6.1
  • Postgres
  • AWS S3
  • WebLogic 10.3
  • AWS EC2
  • Apache Tomcat
  • Oracle 10g
  • Web Service
  • JQuery
  • ActiveMQ
  • JavaScript
  • DHTML
  • Zookeeper
  • Maven
  • Ant
  • Jenkins
  • Log4j
  • XMLSpy
  • Nexus
  • MongoChef
  • Putty
  • Jersey
  • SoapUI 4.6.3
  • Spring Batch
  • JBOSS
  • JSTL 1.1
  • JSON
  • Pedestal
  • RESTful
  • Apache CXF
  • JAX: RS

PROFESSIONAL EXPERIENCE:

Sr Java Engineer

Confidential, Tempe, AZ

Responsibilities:

  • Created EC2 instances for Service, Worker, Crons, Reports, Tunnel, Redshift, Portal etc
  • Created the SQS for queueing the messages and SES for emailing
  • Created various alarm like Redshift ETL load less than average and close the alarm when the condition reached.
  • Created the log rotation based on file size to eliminate the low disk space error from EC2 for catalina, access log, localhost access log etc.
  • Created various cloudwatch alarm Route 53 configurations
  • Created various RDS instances and handled the mysqldump
  • Migrated the data from netezza warehouse to Redshift EC2 instance.
  • Migrated all the players, database, instances from verifone environment to Confidential env
  • Created the SVN box and resolved all the issues with upgrade
  • Created the Jenkins instance and configured all PROD/Non-Prod jobs
  • Created various reports and display that in liftportal for the Business/Helpdesk user
  • Created frontend pages using velocity module.
  • Handled the Helpdesk related issues and BAU tasks on daily basis
  • Helped to implement agile/scrum processes and trained the team to do the sprint planning, grooming, pre-grooming and PI planning.
  • Got trained with SSHing tunnel and VNC in order to debug the problem in the player
  • Supported the production issues and build and deployment activities

Technical Environment: Java 8, Mysql, RDS, Cloudwatch, Route53, AWS S3, AWS EC2, SQS, SES, Redshift, Tomcat 8, Log4j, logback, ANT, Nexus, Jenkins, Splunk, Jira, Agile, Scrum, Kanban, JMeter, SQL Workbench/J, Github, Cygwin, Putty, Eclipse Neon, Subversion, Sublime.

Java Engineer

Confidential, McLean, VA

Responsibilities:

  • Adopted the new technology and implemeted Lobby One product for Confidential using the CLOJURE (Functional Programming).
  • Updated the Amazon Machine Image (AMI) in Lobby one and Product Selector.
  • Implemented the connection pooling using Hikari for the Lobby One backend services with Pedestal Restful web services.
  • Created the Architecture Document, on Confluence with each request (method, params, body, path), and what the possible HTTP Status codes will be emitted by each service, as well as the format of the response body/payload for success and failure scenarios and database related information
  • Involved in all PI planning meeting, Grooming ceremony, daily stand up. Helping team members for installing the Lobby One backend services on their system which include database, lein, IDE for Clojure, configuration in MacOS
  • Actively involved in the Lobby One pre-prod and post-prod that include Analysis, design, development, testing, deployment and production support activities.
  • Deployed the Lobby One in Tomcat AWS cloud environment and supporting production
  • Supported the Single Sign On OAuth token implementation from service.
  • Implemented the Quartz scheduler in clustered environment
  • Become certified Scaled Agile Framework Agilist (SA) sponsored by Confidential in order to support daily activities
  • Created the lobby one stack with RDS instance in Cloud Formation (AWS)

Technical Environment: Clojure, Java, AMI, SSL, REST, Swagger, IOS, Swift 2, PostgreSQL, AWS S3, AWS EC2, SQS, SNS, Cucumber, Tomcat 8, Log4j, logback, Maven, Nexus, Jenkins, Splunk, Jira, Agile, Scrum, Kanban, JMeter, SQL Developer, Chef, Github, PingSSO. XCode 8.1.

Senior Java Developer

Confidential, Vienna, VA

Responsibilities:

  • Design, Coding, Unit Testing, Performance Testing and Deployment of Adverse Action, Early Warning System of Stop Check and Return Check, Account Number Generator reconcile process.
  • Logging the batch processing errors in the Splunk module.
  • Writing unit test for Depositing bank and Paying Bank eAPI.
  • Involved in production activities for Reserve Link.
  • Created the CloudWatch Alarm to send alarm notification using SNS Topic with email protocol.
  • Created Spring XD container single instance, AWS SSH key pair.
  • Involved in OpenLava job scheduler POC.
  • Enhanced the commons, batch and data marshaller modules.
  • Involved in PI planning for creating Story and Task for the upcoming sprint.

Technical Environment: SpringXD, Spring, Amazon Web Service, MongoDB, Redis, PostgreSQL AWS RDS, AWS S3, AWS EC2, ActiveMQ, Zookeeper, MySQL, Java, XML, Shell Script, Putty, WinSCP, JUnit, Weblogic, Log4j, Maven, Nexus, Jenkins, JPA, Tidal, OpenLava, Splunk, VersionOne, Agile, Scrum, Kanban, JB Developer Studio, SQL Developer, uDeploy, MongoChef, Hystrix, Chef, Control M, Mockito, Junit and Github.

Java Developer

Confidential, McLean, VA

Responsibilities:

  • Design, Coding, Unit Testing and Deployment of all #5 modules - Manage Customer, Manage Compliance & Eligibility System, Manage Financial Institution, Manage Document Custodian and Manage Products & Ratings.
  • Manage CCD, UCD and ACTS data coming from different sources and loaded into HBASE and HDFS (Hadoop Distributed File System).
  • Written Map Reduce code/jar that will take input as log files and parse the logs to store the information in HDFS.
  • Created Hive tables using Hive queries to store the processed results in tabular format.
  • Developed sqoop scripts to make the interaction between Hive and SQL Database.
  • Developed the shell scripts for creating the reports from Hive data.
  • Changed the protocol from FTP to SFTP.
  • Implemented security enhancement with Mac Vault changes to the Autosys job.
  • Supported the UAT and conduct UAT & production deployment/implementation.
  • Knowledge on Apache Pig, Sqoop, Flume, Impala, SPARK, Oozie and Zookeeper.

Technical Environment: Cloudera CDH3, Ubuntu Linux 10.10, Hortonworks Data Platform 1.3, Cent OS 6.3, Hadoop Ecosystem (MapReduce, Apache PIG, Hive, HBase, Flume, Sqoop etc.), Derby, MySQL, Java, Spring, Hibernate, XML, Shell Script, MacValut, Autosys, Putty, WinSCP, JUnit, Weblogic, Log4j and MyEclipse.

Java Developer

Confidential, PA

Responsibilities:

  • Created the Design and E&R for Preselect order, Configurable Admin Fields, CTN upload/download admin page.
  • Conducted the technical design review (TDR) meeting.
  • Involved in Order Gateway, Content Manager, Migration Manager and Communication Manager module development and bug fixing.
  • Created the application using Intelli J in Mac environment.
  • Created the JUnit test cases for testing the server side functionality.
  • Deployed the war files into Weblogic server to test the end to end functionality for verification.
  • Unit tested the application.

Technical Environment: Java 1.6, XML, XSD, XSL, JavaScript, JQuery, CSS, CPO, JUnit, Maven, Ant, SonarQube, Confluence, Bugzilla, HTML, Weblogic, Intelli J, Putty, Teamcity, Mockito, Oracle, Oxygen, Aqua Data Studio, Tortoise SVN, SQL Developer, Splunk .

Senior Java Developer

Confidential, TX

Responsibilities:

  • Analyzed the Health Insurance eXchange requirement document for various states.
  • Created the Class Diagram, Sequence Diagram by using UML design Tool.
  • Designed the UI screens for Fund Balance Query module by using backbone.js and Velocity module templates.
  • Involved in Registration, Enrollment and Fund Balance module bug fixing.
  • Created the configuration changes in JBoss.
  • Created the JUnit test cases for testing the server side functionality.
  • Created the Maven build file to deploy the application.
  • Deployed the war files for Registration, Enrollment, Fund Balance into JBoss server to test the end to end functionality for verification.
  • Supported the validation for the end user.
  • Unit tested the application and documented the test cases in DVP.

Technical Environment: Spring Batch, Java 1.6, Rosetta (SOA), JMS, JavaScript, JSON, Restful WS, Jersey, Apache CXF, JAX-RS, Velocity, XQuery, Delta Cloud API, JBoss SOA-P, XML, JQuery, CSS, Marklogic, Star UML, JUnit, Maven, Jenkins, JSF, Velocity, ILog, Ajax, HTML.

Software Engineer

Confidential, Waukesha, WI

Responsibilities:

  • Analyzed the SAD and SRD to create the System Design Document, Design Verification Document, Traceability Matrix, FMEA document.
  • Created the SDD and Traceability document and follow the procedure to route these documents in to MyWorkshop. Created the Class Diagram, Sequence Diagram, Pugh Matrix, Activity Diagram by using UML design Tool.
  • Designed the UI screens for AutoSC to do ProDiags schedule. Spring and Hibernate are used here to interact with the database and UI.
  • Created the file transfer mechanism to communicate between the healthcare asset and AutoSC BO for IIP 3.0 / IIP 4.0 v.
  • Created the scheduler to automate the loading process of each asset in autoSC database using quartz.
  • Created the configuration changes in weblogic for DNS and JMS
  • Created the JUnit test cases for testing the server side functionality.
  • Created the ANT build file to deploy the application.
  • Deployed the war files for Onwatch Receiver, ASD, Common and Cameron into Weblogic server to test the end to end functionality for verification.
  • Supported the validation for the end user.
  • Tested the application, documented the test cases in DVP and routed into MyWorkshop

Technical Environment: Spring, Java 1.6/1.4, Hibernate, XML, JSP, JSTL, JQuery, UNIX, UML, MyEclipse, HTML, DHTML, CSS. Oracle, Log4j, Weblogic, Tora, Putty, Star UML, Quartz, Castor, JUnit, AJAX, EJB.

Software Engineer

Confidential, Waukesha, WI

Responsibilities:

  • Analyzed the SAD and SRD to create the System Design Document, Design Verification Document, Traceability document.
  • Created the SDD and Traceability document and follow the procedure to route these documents in to MyWorkshop. Created the Class Diagram, Sequence Diagram, Pugh Matrix, Architecture Diagram and Activity Diagram by using UML design Tool.
  • Designed the UI screens for SSA to do Catalog, Contract, ClassType and Key History feature. Spring and Hibernate are used here to interact with the database and UI.
  • Created the generic Catalog Web Service to communicate with SSA Schema.
  • Created the LightBox/JQuery widget interactive web pages using JQuery.
  • Created the service tool, associated these tools with Scanner and relate the contracts with catalog and live Keys.
  • Follow up with the other modalities (GIT) and get the requirement for catalog web service to mock up the database structure.
  • Modified the ANT build file to deploy the application
  • Deployed the ear files for ssa.ear into Weblogic server and made the configuration changes.
  • Implemented and tested the SSA Backoffice database diagrams and association.
  • Created the JUnit test classes
  • Fixed all security violation in the internet faced application as guided by SCABBA Team.
  • Tested the application, documented the test cases in DVP and routed into MyWorkshop

Technical Environment: Spring, Java 1.6/1.4, Hibernate, Axis-2, XML, JSP, JSTL, JQuery, UNIX, UML, MyEclipse, HTML, DHTML, CSS. Oracle, Log4j, Weblogic, Tora, Putty, Star UML, Castor, JUnit, AJAX, EJB, Agile, AJAX.

Software Engineer

Confidential, Waukesha, WI

Responsibilities:

  • Analyzed the SAD and SRD to create the System Design Document, Design Verification Document, Traceability document.
  • Created the SDD and Traceability document and follow the procedure to route these documents in to MyWorkshop. Created the Class Diagram, Sequence Diagram, Pugh Matrix, Architecture Diagram and Activity Diagram by using UML design Tool.
  • Designed the UI screens for ASD to do forced registration by Individual and Batch registration methods and designed a New Asset registration form also. Spring and Hibernate are used here to interact with the database and UI.
  • Created the generic GSCC Web Service to communicate with Gscc Schema. It is scalable to connect with various applications like insite 2, Checkout etc.
  • Created the scheduler to automate the retry process using Quartz.
  • Implemented the mail functionality to send mail for failed Asset by using JMS.
  • Implemented and integrated the code for Magnet Monitor (MM3) systems.
  • Integrated the above component with GGI and PERL web page which run on iPlanet.
  • Created/Modified the ANT build file to deploy the application
  • Deployed the war and jar files for Gscc Server, Gscc Service Client, ASD and Cameron into Weblogic server.
  • Perform the Asset registration for Insite1 and InsiteExc (Questra) application
  • Implemented and tested the Siebel SR, CARES RFS creation in Cameron.

Technical Environment: Spring, Java 1.6/1.4, Hibernate, Spring WS, JMS, XML, JSP, JSTL, JavaScript, Servlets, UNIX, UML, MyEclipse, HTML, DHTML, CSS. Oracle, Log4j, Weblogic, Tora, Putty, Dia, Argo UML, Quartz, Castor, JUnit, AJAX, EJB.

Production Specialist

Confidential, Lincolnshire IL

Responsibilities:

  • Created pages for Defined Benefits, Defined Contribution, Health and Welfare.
  • Developed web pages compatible with iPhone and BlackBerry.
  • Designed and coded the presentation components and page layout design using Tiles.
  • Coded the JSP using Struts tags, Struts layout tags, JSTL, EL and custom tag libraries.
  • Developed Struts validations and implemented internationalization using resource bundles.
  • Created and modified demo pages for marketing team with new enhancements.
  • Designed and developed web interface using Java, JSP, Servlets, and JDBC for administering and managing users and clients.
  • Added and enhanced pages for QOC using Spring and Hibernate framework.
  • Developed JavaScript behavior code for user interaction and client side validation.
  • Involved in design, implementation and coding in Java, XML, J2EE, and JSP.
  • Created CDHF pages for csDev team with cross browser compatibility for various browsers.
  • Developed web services in Java with Apache Axis. Experienced with SOAP/WSDL.
  • Developed Servlets and back-end Java classes using WebSphere Application Server.
  • Developed an API to write XML documents from a database. Utilized XML and XSL transformation for dynamic web-content and database connectivity.
  • Used Log4J for writing into different logs files, (Application Log and Error Log).

Technical Environment: Java 1.5, J2EE, Struts (MVC), Web Services, WSDL, AJAX, XML, XSLT, XSD, JSTL, JSP, JQuery, JDBC, Servlets, JUnit, CSS, HTML, DHTML, Tomcat, Eclipse, Tiles, Validation, DB2, Oracle, JavaScript, CSS, Log4j, SQL Server, FileZilla, Continuus, Smart SVN, Tortoise SVN, Weblogic, TOAD, JIRA, Maestro.

Java Developer

Confidential, Phoenix, AZ

Responsibilities:

  • Assigned the courses only for the DEDL clients (role permissions).
  • Utilized Rational Rose to design various Use Cases, Collaboration and Sequence diagrams in UML.
  • Implemented the Struts framework for the project.
  • Created and assigned the test forms with the corresponding courses.
  • Implemented the AJAX calls for the courses, client and client regions.
  • Created the Courses module for Instructor.
  • Built a Java Bean to handle real-time stock quotes from a URL which came in the form of an XML document.
  • Developed a module using SAX that parses XML files.
  • Handled JDBC coding using SQL, PL/SQL, Stored Procedures, etc.
  • Used JavaScript for client side validations.
  • Integrated the Student module with Courses and Instructor.
  • Created the automated functional tests by Selenium RC.
  • Utilized Log4j for writing different logs files into the Application Log and Error Log.

Technical Environment: Struts (MVC), Java 1.4, XML, JSP, JSTL, JavaScript, JDBC, Servlets, CSS, UNIX, UML, Tomcat, Eclipse, Tiles, XSLT, Query Editor, Velocity, HTML, DHTML, CSS. Oracle, Log4j, Weblogic

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