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Gowtham Medisetti - Sr. Java Developer

[email protected]

Location: Pittsburg, Texas, USA

Relocation: Yes

Visa: GC

PROFILE SUMMARY: Expertise in Web-Development technologies like Servlets, JSP, JSTL, HTML, JavaScript, CSS, XML, XSL/XSLT, AJAX, JQuery. Extensively experienced in Middle Tier Development using Servlets, JSPs, and EJB. 8 years of experience in design, development and implementation of software applications using Java, J2EE, technologies. Having good experience in the Information Technology Industry and also healthy participation in all phases of Software Development Life Cycle SDLC including analysis, design, coding. Experience in Pair Programming, Test Driven Development, Waterfall model and agile methodologies like SCRUM, KANBAN. Good knowledge and hands on experience in MVC Struts 1.x Spring 2.x and ORM Hibernate 3.0 frameworks. Extensive knowledge of XML-based standards and protocols such as WSDL and SOAP , Service Oriented Architecture SOA , development of XSD schemas and implementing both SOAP and REST web services. Extensive experience in using various UML, Rational Rose, design patterns and industry best practices such as MVC Model-View-Controller , Singleton, Facade, Factory and DAO, DTO, singleton. Strong experience in UNIX and Shell scripting. Good documentation skills on both functional and business requirements. Expertise in Distributed and Web environments, focused in JAVA Technologies Java collections, Threads, J2SE, JDBC, Struts, spring, Hibernate Framework. Experience in using DOM4J, JAXB, JAXP parsing and XMLBean to process, validate, parse and extract data from XML files. Good knowledge and experience with multiple Servers like IBM Web Sphere, IBM Web Sphere ESB Enterprise Service Bus, Web Logic server, Apache Tomcat, JBoss. Extensive experience in working IDE tools like Eclipse, Net Beans, RAD, and WID Web Sphere Integration Designer. Extensive experience in implementation of the version control software SVN, CVS, Git. Experienced in generating logging by Log4j to identify the errors in production test environment and experienced in Ant, Maven and Gradle tools. Hands on experience using Messaging Services like JMS, MQ Series. Proficient in RDBMS concepts and experience in working with Oracle 9i/10g/11g, DB2 and MY SQL PL/SQL, SQL Plus, Database triggers, Procedures, Functions. Closely worked with Release Management Team in doing builds and deploying code into various environments like DEV/QA/SIT/UAT/Prod. Have excellent analytical, problem solving, communication and interpersonal skills, with ability to interact with individuals at all levels and can work as a part of a team as well as independently. TECHNICAL SKILLS: Languages C, C++, Java (1.7)/(1.8), JavaScript ES6, SQL, PL/SQL, UML2.0 Technologies JSP2.1/2.0/1.2, Servlets 2.x/3.x, JavaBeans, JDBC, Struts2.x, Hibernate3.x/4.x, Spring3.0/4.0, Web Services, SOA, JMS2.0, and DOM Parsers, AJAX. Development Tools (IDEs) Eclipse, NetBeans, MS Visual Studio, Brackets Web/Application Servers Tomcat7.x, WebLogic 10.3/9.2/8.1/7.0 , IBM WebSphere7.x/8. X, JBOSS Database Oracle 11g, SQL server 2008, MySQL, MongoDB, Cassandra Platforms Windows, UNIX, LINUX, MAC Testing Tools JUnit 4.x, TestNG, Karma, Jasmine, Mocha Version Control CVS, SVN, Rational ClearCase, GIT Hub Methodologies Agile Methodology, Waterfall model, Angular1/2 Build Tools& Cloud tech Gradle, Maven, Jenkins, Gulp, Grunt, Docker, AWS Project Management tool Rally and Jira PROFESSIONAL EXPERIENCE Client: 7-11, TX Jul 2022 to till date Role: Sr. Java Developer Responsibilities: Involved in SDLC Requirements gathering, Analysis, Design, and Development, Testing production of application using both Waterfall model Kanban. Involved in design discussions and understanding of business requirements and identify the relevant functional and technical requirements. Used SOAP JAXB for producing web services and involved in writing programs to consume the web services Developed the application using Spring Mvc Framework that helps in separating the business logic, presentation logic and navigation logic Written Spring Core and Spring MVC files to associate DAO with Business Layer Intercepting filter design pattern used for all the pre-processing and post-processing purposes which includes session validation, authorization, logging. Implemented Business processes such as user authentication, using Session EJB Designed and developed presentation layers using JSP, Java Beans, CSS, HTML, DHTML,jQuery and Java Script, Json in UI pages. Writing JavaScript functions for various validation purposes. Writing Java Beans to contain data objects. Implemented session beans, entity beans and message driven beans. Dynamic form generation auto completion of forms and user-validation functionalities using AJAX. Worked on the jQuery javascript Library that simplifies HTML document traversing, and event handling. Created controller Servlets for handling HTTP requests from JSP pages Implemented JSP in Presentation layer programming using JSTL, AJAX, Development Developed client user interface using JSPs and Servlets. Used Maven to build, run and create JARs and WAR files among other uses Deployed the applications on IBMWebSphere6.0 Application Server Used IBM RAD versions 8.0 8.5 as IDE for the enterprise application Project development Used TEAM FOUNDATION SERVER TFS to check-in and checkout codes to the repository. Extensively used mainframe platform to access the tables in DB2 Database and to refresh the data. Used JDBC to invoke Stored Procedures and database connectivity. Used Log4J to capture the log that includes runtime exceptions. Developed JUnit test cases for all the developed modules Involved in the complete life cycle of the project from the requirements to the production and also involved in UAT. Setting up daily Status meetings with team and communicate status to Project Manager. Worked with Business team during UAT to review the requirements for any new functionality or enhancements Worked with server admin and deployed the application on to the production and Stage Servers Environment: Java 1.6, Java Beans, J2EE, SOAP, Spring 3.0, CXF, Ajax, Jquery, JSP, XSD, XMLBean, WebSphere 6.0, DB2, JUnit, Log4J, FileZilla, Spring Framework security using LDAP,TFS, SharePoint, RAD 8.0 8.5,DB2, Mainframe Platform Client: E-tread, CA Feb 2020 to Jun 2022 Role: Java Developer Project: Customer Service Website Responsibilities: Used spring framework to inject the DAO and Bean objects, auto wiring the components. Implemented the business logic using various Design patterns. Configured bamboo automating the builds into Gradle archiva repository. Created controller Servlets for handling HTTP requests from JSP pages. Used JSP's HTML on front end, Servlets as Front Controllers and JavaScript for client side validations. Involved in design discussions and understanding of business requirements and identify the relevant functional and technical requirements. Involved in SDLC Requirements gathering, Analysis, Design, Development and Testing of application using AGILE methodology SCRUM. Used JAX-WS SOAP for producing web services and involved in writing programs to consume the web services using SOA with CXF framework Developed the entire application web-based client implementing MVC Architecture using spring framework. Implemented Object-relation mapping in the persistence layer using Hibernate frame work in conjunction with spring functionality. Worked on development of Hibernate, including mapping files, configuration file and classes to interact with the database. Implemented dozer bean mapping for mapping the domain objects. Used SQL Queries in Java code to do select/update/delete depending upon the business requirement. Also used Stored procedures connecting to the database using spring JDBC. Responsible for modifying existing xml schema definition as per client's requirements. Extensively worked with XML schema, XSL/XSLT, XML to navigate in XML documents, and DOM4J to process and parse xml files. Extensively worked on XML Altova Map Force for the transformations of xml to xslt. Used XPATH to navigate through Attributes and Elements in an XML Document. Used JAXB to marshal and unmarshal the xml-java object, java objects-xml Extensively used JSP to develop schema viewer applications. Used Git as source control management giving a huge speed advantage on centralized systems that have to communicate with a server. Used Gradle as a build tool automating the building, testing, publishing and deployment loading all the dependencies from the nexus artifact repository. A WebSphere JNDI naming tree is maintained for the external configuration of a service. Enabling XA transactions to achieve consistency for the services connecting to fineos and iseries database. Used multithreaded environment to run the processes asynchronously using different future calls to access the data. Good hands on UNIX commands, used to see the log files on the production server. Involved in the complete life cycle of the project from the requirements to the production support. Used Log4j to capture the log that includes runtime exception and for logging info and are helpful in debugging the issues. Involved in developing Unit Test cases and testing the Application using soap-ui. Developed several shell Scripts to automate file transfers. Deployed the complete Web and enterprise applications in WebSphere Server. Environment: Java 1.6, Java Beans, J2EE, SOAP, Spring 3.0, CXF,Hibernate 3.0,Ajax, Jquery, JSP, XSD, XMLBean, WebSphere 8.5, Eclipse Juno, DB2, JUnit, Log4J, Unix, Git 1.9.3, Gradle 1.11, Altova mapForce 2014,Soap-UI 4.6.4, MobaxTerm, LogExpert, FileZilla, Spring Framework security using LDAP, Oracle ADF Business components, ADF faces. Client: Amgen, NC Dec 2018 to Jan 2020 Role: Java Developer Responsibilities: Analysis and Design of various modules using J2EE Architecture. Involved in implementation of Information system development methodology ISDM for designing, analyzing for the developing systems Written Hibernate annotation based mapping java classes with Oracle Database tables. Used Session fa ade. Implemented JMS API for messaging. Developed webservices SOAP, WSDL and webservices clients using JAXB and XML, implemented SOA architecture. Involved in High Level Design and prepared Logical view of the Application. Involved in designing and developing of Object Oriented methodologies using UML and created Use Case, Class, Sequence diagrams. Implemented Multithread concepts in java classes to avoid deadlocking. Created Core java Interfaces and Abstract classes for different functionalities. Written Spring Core and Spring MVC files to associate DAO with Business Layer. Used PL/SQL procedures. Created Data Source and deployed web application in the IBM Web sphere application Server. Implemented JSF in Presentation layer programming using JSTL, AJAX, and GWT Development. Worked with HTML, DHTML, CSS, JAVASCRIPT, and JSON in UI pages. Created controller Servlets for handling HTTP requests from JSP pages. Writing JavaScript functions for various validation purposes. Writing Java Beans to contain data objects. Implemented session beans, entity beans and message driven beans. Developed client user interface using JSPs and Servlets. Used Version Control Tool to perform Checking-out and Checking-in of codes from the repository. Used EJB Query Language to retrieve data from Hypersonic SQL. Developed web services in Java and Experienced with SOAP. Developed and maintained Ant Scripts for the build purposes on testing and production environments. Environment: EJB2.0, Struts, Hibernate, JSP, JSF, Servlets, Webservices, XML, XSLT, XSL, JavaScript, Ant, JBoss, HSQL, Net Beans, Oracle 9i, SQL, PL/SQL, Windows 2000/ XP, Enterprise Architect. Client: Advithri Technologies, India Jul 2016 to Jun 2018 Role: Sr. Java Developer Responsibilities: Reviewed Design Document, gathered information from Architect and Business Analysts to design Functional Specifications for this UI Interface Project. Designed and developed presentation layers using Servlets, JSP, Java Beans, CSS, HTML, DHTML,jQuery and Java Script. Created interactive websites, applications, and presentations using Creative Suite 3, Creative Suite 4, and DOJO. Dynamic form generation auto completion of forms and user-validation functionalities using AJAX. Configured Struts-config.xml, Tiles-def.xml and properties file provided by Struts Framework for the implemented modules. Worked on the jQuery javascript Library that simplifies HTML document traversing, and event handling. Involved in complete development of 'Agile Development Methodology' and tested the application within each iteration. Actively participated and provided feedback in a constructive and insightful manner during daily Stand up meetings and weekly Iterative review meetings to track the progress for each iterative cycle and figure out the issues. Setting up daily Status meetings with team and communicate status to Project Manager. Worked with testing team analyzed and fixed the production defects and deployed the applications on the server. Environment: Java1.5/J2EE,LCDS, My Eclipse 6.0.1, HTML, CSS, DHTML, Jboss, Subversion SVN , Oracle 9i/10g, SQL Developer, Spring, SOA, DOJO, Hibernate 3.2, jQuery, JSP, Servlets, log4j, Ant, Web Services, AJAX, JavaBeans, Struts, Framework. Client: Access info, India Jan 2014 to Jun 2016 Role: Java Developer Responsibilities: Extensively worked with XML schema XSD , XSL/XSLT, XML to navigate in XML documents, and SAX to process and parse xml files CSS is used to style Web pages, XML markup. Implemented servlets to handle HTTP requests for on-line requests, credit card payments, registration and bug tracking Developed DAO objects and implemented data access layer using JPA-Hibernate to perform CRUD operations Created and maintained mapping files, persisting classes and transaction control in Hibernate to access the database. Formulated Use Cases for each business requirement and normalized the use cases to suit the requirements. Developed the custom tag to display various campaigns on Credit care Sign on and Welcome page. Developed the credit check module using Servlets and JSP Core Java components in Web logic Application Server. Designed use case diagrams, class diagrams, and sequence diagrams as a part of Design Phase using Rational Rose. Understanding and analysing business requirements. Involved in injecting dependencies into code using spring core module. Involved in developing code for obtaining bean references in spring framework using Dependency Injection DI or Inversion of Control IoC. Used JMS-MQ Bridge to send messages securely, reliably and asynchronously to Web Sphere MQ, which connects to the legacy systems. Developed Message Driven Beans for asynchronous processing of alerts.Extensively worked on Java server side programming using Servlets, and JSP. Developed web services SOAP, WSDL and web services clients using JAXB and XML, implemented SOA architecture. Developed mail alert mechanism for alerting the users when their selection criteria are met. Created and implemented PL/SQL queries, views stored procedures and triggers. Used Log4J logging framework to write Log messages with various levels Deployed web components, presentation components and business components in Web Logic Application Server. Environment: Java 1.5, J2EE, Servlets, JSP 2.5, EJB 2.0, Hibernate 2.1, Spring 2.5, Log4J, JavaScript, JUnit 4.1, CVS, Rational Rose UML , Oracle10g, Web Logic Server 10.0, Eclipse IDE, Ant, XML/XSD, Jax-ws SOAP web services, SAX. Keywords: cprogramm cplusplus quality analyst user interface message queue microsoft procedural language California North Carolina Texas