Davana. R

Email ID: adzp9z@r.postjobfree.com

Phone No: 571-***-****

PROFESSIONAL SUMMARY:

•Java Developer with 8+ years of experience in requirements Development, Coding, Testing and Implementation of Enterprise and Web based applications.

•Strong background in Core Java programming using Collections.

•Worked on JAVA/J2EE technologies like Servlets, JSP, Hibernate, and SpringMVC.

•Strong expertise in Core Java programming using Design Patterns, Collections and Multi-Threaded programming.

•Proficient in concepts like Inheritance, Abstraction, Encapsulation, Polymorphism, Data Structures, collections, multithreading, serialization.

•Experience in developing web based application using MVC Architecture.

•Strong experience in working with JSON format, XML technologies and several relational databases like MySQL, Oracle, SQL Server and DB2.

•Experience developing web application integrating spring with hibernate.

•Thorough in J2EE technologies like Spring, Hibernate, Web Services, Design Patterns, SOA, SOAP, Struts, Tiles, MVC, EJB, MQ Series, JMS, JSP, JavaBeans, JDBC and Servlets.

•Experience in client side designing and validations using JQuery.

•Development experience on different IDE's like Eclipse and NetBeans.

•Experience in developing the client-side applications HTML, XML, CSS, JavaScript, Ajax, Google Web Toolkit (GWT), jQuery and JSP.

•Experience with WebServices SOAP and REST.

•Extensive experience in Apache STRUTS Framework versions, DynaAction, DynaValidator forms, Exception Handling, STRUTS Validator Framework.

•Good working knowledge in version control tools like GIT.

•Experience in developing MVC, OOPS, OOAD, J2EE Design Patterns, UML-Rational Rose and Java Sever Side Programming using development tools like Rational Application Developer RAD v7.0, log4j, WSAD, Eclipse, Toad, testing tools like LoadRunner, ClearQuest and Configuration Management tools like Clear case, VSS, Serena PVCS.

•Good experience in writing SQL Queries and Triggers.

•Worked with development tools like TOAD, Eclipse, IntelliJ IDEA, WSAD, Ant, Maven, XDoclet, and WSAD.

•Experience in various J2EE Frameworks like JSF, My Faces, iBATIS, JIBX, JAXB, AJAX, DWR, GWT, and DOJO.

•Used testing framework like JUnit, HTTP Unit, DBUnit, STIQ, and JMock.

•Experience working with the source control and versioning tools such as GIT and Bit bucket.

•Experience working with logging APIs such as log4j.

•Knowledge of AWS cloud practitioner

•Knowledge in design and development of REST and SOAP Web Services.

•Solve programmatic problems on Hackerrank.

•

•TECHNICAL SKILL SET:

Java/J2EE Technologies

J2EE, Servlets, JSP, EJB,, JDBC,, JavaBeans, Struts, MVC, Hibernate, Spring, RMI, ANT, MAVEN,, XML,, DOM, JNDI, JMS, JNI, JMX,, Web services, Applets, Multithreading,, Custom Tags

Web Technologies

HTML, DHTML, Java Script, CSS, AJAX,, XML, Web Services (SOAP, JAX WS, WSDL).

Frameworks and IDE’s

Struts, Spring, Hibernate, JPA, JSF, AJAX, Spring Core, Spring ORM, Spring MVC, Spring AOP. Eclipse, MyEclipse, NetBeans

Version Control Tools

Rational Clear Case, Visual Source Safe, Rational clear quest, CVS, SVN, SOS, Git.

Build Script

ANT, shell scripts, batch scripts.

Patterns

MVC, Core J2EE design patterns (MVC, business delegate, service locator, session façade, DAO, DTO, Singleton, etc).

Methodologies

Rational Unified Process (RUP), Agile, V Model, Waterfall, OOAD, AOP, SOA, TTD, SDLC, Iterative, XP (Extreme Programming).

Web Servers

Web Logic, IBM Web Sphere, Apache Tomcat, JBOSS and IIS.

Database

Oracle, SQL Server, IBM DB2, PL/SQL, My SQL, JDBC, ODBC, MS-Access.

Operating Systems

Windows XP/Vista/7, UNIX, LINUX, SUSI and SUN OS.

PROFESSIONAL EXPERIENCE:

Client: Verizon, VA Jun 2020 – PRESENT

Role: Java/J2EE Developer

Responsibilities:

•Responsible for the Requirement Analysis and Design of Smart Systems Pro (SSP)

•Involved in Object Oriented Design (OOD) and Analysis (OOA).

•Analysis and Design of the Object models using JAVA/J2EE Design Patterns in various tiers of the application.

•Responsible for identifying the root cause, investigate and provide a solution for the escalated and critical p1/p2 production tickets.

•Worked with Restful Web Services and WSDL.

•Worked with Maven build tool to build the Project.

•Responsible for the L1/L2 support monitoring issues for the application and should respond immediately for any type of Server and Service Maintenance issues.

•Involved in Coding JavaScript code for UI validation and worked on Struts validation frameworks.

•Analyzing the Client Requirements and designing the specification document based on the requirements.

•Worked on implementing directives and scope values using AngularJS for an existing webpage.

•Familiar with the state-of-the-art standards, processes, design processes used in creating and designing optimal UI using Web 2.0 technologies like Ajax, JavaScript, CSS, and XSLT.

•24/7 On-call rotation production support.

•Involved in the Preparation of Program Specification and Unit Test Case Document.

•Designed the Proto according to the Business requirements.

•Used application servers like WebLogic, WebSphere, Apache Tomcat v8.0, Glassfish and JBoss based on the client requirements and project specifications.

•Involved in mapping of all configuration files according to the JSF Framework

•Written SQL, PL/SQL and stored procedures as part of database interaction.

•Testing and production support of core java based multithreading ETL tool for distributed loading XML data into Oracle11g database using JPA/Hibernate.

•Used Hibernate framework and Spring JDBC framework modules for backend communication in the extended application.

•Developed Presentation Layer using HTML, CSS, and JSP and validated the data using AJAX and Ext JS and JavaScript.

•Involved in the development of Oracle PL/SQL batch and real time processes for loading data from internal and external systems.

•Involved in write SQL Queries and Stored Procedures.

•Defined and Developed Action and Model Classes.

•Wrote Action Form and Action classes and used various HTML tags, Bean, FLEX and Logic etc., also configured Struts-Config.xml for global forwards, error forwards & action forwards.

•Used Struts framework for the development of user interface.

•Interaction with Client for better understanding of Business requirements.

•Build and deployment IBM Connections & Portal on Web sphere application server.

•Worked at client location for gathering the feedback from the users.

•Involved in Production Support and Enhancement Developments.

Environment: Java /J2EE, Java Script, Hibernate, AJAX, EJB, Servlets, Spring MVC, JDK, Struts Framework, Apache Tomcat, HTML, XML, SQL Server, Oracle, UNIX, Windows.

Client: Citibank, TX Mar 2018 – May 2020

Role: Java/J2EE Developer

Responsibilities:

•Proposed enhancements to the application and implemented them.

•Involved in Analysis, Design, and Implementation of software applications using Java, J2EE, XML and XSLT and WebServices (SOAP, WSDL).

•Managed Client relationship effectively by interacting with the business team directly.

•Implemented J2EE design patterns like Singleton and Session Façade.

•Worked on scheduling module of the application.

•Performed client side validations using JQuery.

•Developed User Interface having animations and effects using JSF, JavaScript and HTML.

•Wrote queries in IBatis.

•24/7 On-call rotation production support.

•Worked on the Controller part of the code to send response to the Ajax call and other requests.

•Fixed bugs reported by the Testers.

•Take up new initiatives to resolve production ticket quickly

•Developed middle-tier application with J2EE using Servlet, EJB, Java Beans and Web Services Standards (SOAP, WSDL, UDDI).

•Implemented process improvement tools in production support activities

•Applied J2EE design patterns like Business Delegate, DAO, and Singleton etc.

•Suggested changes to improve the performance of the application such as moving from Regular Java Class to a Singleton class to avoid creating objects each time a property needs to be loaded.

•Responsible for identifying the root cause, investigate and provide a solution for the escalated and critical p1/p2 production tickets.

•Implemented the web-based application following the MVC II architecture using Spring Framework.

•Provided support to the performance team to resolve issues while they are using the application.

•Worked on Jsch to connect to VMs and execute Linux commands for copy scripts and executing Load Tests.

•Responsible for the L1/L2 production support issues.

•Used Bit bucket for version control.

•Worked with JMeter (Performance testing tool).

•Co-ordinating with performance testing team.

Environment: Java, IBatis, Hibernate, Spring MVC, WebLogic, JMeter, REST, log4j, Oracle, Linux, Windows.

Client: Paychex Inc, Webster, NY Nov 2015 – Feb2018 JAN 2014 – MAR 2016

Role: Java/J2EE Developer

Responsibilities:

•Revamped the most sensitive and complicated module of DCS - US DHS (APIS- Advanced Passenger Information System) which has high severity production support issues.

•Involved in the design activities from low to medium complex change requests and handled multiple high severity issues simultaneously.

•Created (Design Documents) DSD, (Technical Design Documents) TDD and worked on translating business requirements into system interface design.

•Developing different dynamic UI Screens using HTML, JSP, CSS, JavaScript and JQuery plug-ins like JQuery UI, JQuery validation, JQuery masking, JQuery data table and many more.

•Defined new validations through Angular.js for the form field validation implemented through HTML5.

•Experience in using ng-grid for rendering rows and columns.

•Designed and developed the REST based Web Services using Jersey API.

•Using AJAX extensively to implement front end /user interface features in the application.

•Designed applications that execute on various browsers such as Internet Explorer, Mozilla Firefox, Google Chrome, and Opera using various debugging tools like Firebugs/IE Developer Tools.

•Usage of JSON for faster and impulsive responses.

•Used Spring IOC to couple different layers of application such as web, business and DAO layers.

•Configuring and developing applicationContext.xml of spring framework to manage DAO, Service and view.

•Configured hibernate to make use of second level caching to display the static lookup data from the database.

•Created Row based Triggers for auto generated value on primary key and DML triggers on tables, optimized SQL queries and also created Views.

•Used Git as version control software to manage the source code and to keep track of changes to files which is fast and light weight system.

•Used TOAD extensively to manage Database Schemas, Tables and Entities effectively.

•JIRA Issue Tracker is used for tracking various software change requests, performance testing & defects fixing, issues and fixes applied on a daily basis to streamline the application development.

•Used Log4j as a logging framework for the application and handled error, debug, warn messages.

•Written Java classes to test UI and Web services through JUnit

•

•Environment: Java, J2EE, JavaScript, Hibernate, Ajax, Eclipse IDE, Spring MVC, Junit, Log4j, JIRA, JQuery, JSP, JSTL, HTML, XML, CSS, Maven, Git, SQL, Oracle, Windows.

Education: Bachelor in Computer Application from Osmania University.

Contact this candidate