Venkata K Kasibisi

Ph: +1-720-***-****

Email: adig7i@r.postjobfree.com

LinkedIn : https://www.linkedin.com/in/venkata-krishna-07483a1b/

SkypeId: saikrishna304586

Professional summary

** ***** of Experience in IT Industry in Developing JAVA and J2EE applications using Tomcat7.0, Tomcat8.5, Eclipse3.0, AngularJS, Angular, Springboot, ReactJS, IBM RAD, ANT1.6,Maven 3.5, Junit4.1, IBMClearCase, IBMClearQuestWeb, Web Sphere Application Server7.1 and IBM Web Sphere portal Server6.5

Good implementation knowledge of latest version of object-oriented JavaScript Libraries like Angular.js, Bootstrap, React.js and Dojo toolkit.

Extensive Experience in Java/J2EE programming – JDBC, Servlets, JSP, JSF, JMS, EJB 2.0/3.0.

Expert knowledge over J2EE design patterns like MVC Architecture, Front Controller, Session Facade, Business Delegate and Data Access Object for building J2EE Applications.

Experienced in web development using HTML, DHTML, XHTML, CSS, JavaScript technologies.

Experience in building web applications using Spring framework features like MVC, AOP, IOC, DAO, and template classes.

Expertise in Object-relational mapping using Hibernate with XML and annotations

Experience in developing and deploying Microservice oriented applications using Spring Boot and Spring Cloud.

Expertise in developing and consuming Web services including different technologies and standards like DTD, XSD, SOAP, WSDL, JAX-RPC, JAX-WS, WS-I and Apache Axis, JAX-RPC.

Experience in working in Linux/ Unix systems.

Experience in installing, configuring, tuning IBM Web Sphere 6.x/5.x, BEA Web Logic 8.1/9.2/10.3, Apache Tomcat 5.x/6.x, JBOSS 5.x/4. x.

Strong experience in XML related technologies including XSD, DTD, XSLT, XPATH, DOM, SAX, JAXP, JAXB, XML-RPC and XML Beans.

Expertise in database modeling, administration and development using SQL, T-SQL and PL/SQL in Oracle (8i, 9i,10g), 12c, DB2 and SQL Server environments.

Experience in using ANT and Maven for build automation.

Experience in using version control and configuration management tools like GitHub, Clear Case, Serena Dimension and Subversion.

Experience in deploying the applications using Docker container services and building CI&CD pipelines using Jenkins with GitHub and Dimension.

Extensively used Orchestration container Kubernetes for load balancing and to schedule the tasks across the computer cluster and load balancers for backend API services.

Excellent knowledge on Design patterns, Algorithms, and data structures.

Experience in using IVR tools AEP (Avaya experience portal), Nuance, MPP and TTS/ASR

Good knowledge on Cloud technologies Salesforce, Apex and Genesys Pure cloud.

Good functional knowledge on Telecom and Health care and medical Insurance.

Educational Qualification

Master of Technology (M. Tech) from JNTU University Anantapur with distinction.

Bachelor of Technology (B. Tech) from SV University Tirupati with distinction.

Awards &Appreciations

Received outstanding performer of the year award from CEO of Infinite.

Received star performer of the Quarter and Month multiple times.

Technical skills

Java/J2EE Technologies

Servlets, JSP, JSTL, JDBC, JMS, JPA JNDI, RMI, EJB, JFC/Swing, AWT, Java Beans, Applets, Multi-threading, Java Networking, Spring data, Spring Boot, Spring framework, Spring JDBC Templates, java mail, Google API, Hibernate, Web Services, SOAP, RESTFUL

Programming Languages

Java JDK1.4/1.5/1.6/1.8, C, SQL, Oracle

Application/Web Servers:

IBM WebSphere, JBoss, Tomcat, Jetty Server, Oracle/BEA WebLogic.

Frameworks

Spring 3.x/4.x/5/x, Hibernate, JSF, iBatis, Angular1.x, Angular2.x, ReactJs, SpringBoot

DevOps Tools

Docker, Kubernetes, Azure, Jenkins

Web Technologies

JSP, JavaScript, jQuery, AJAX, XML, XSLT, HTML, DHTML, CSS, Bootstrap, Angular 2.0/4.0, React JS, Express.js, Ext JS, Backbone JS, Node JS.

Web Services Frameworks

JAX-WS, JAX-RPC, JAX-RS, Apache CXF, Axis, Jersey

XML Tools

JAXB, Apache Axis

Methodologies

Safe Agile (Jira, KANBAN, Confluence), Agile, Scrum, SDLC Waterfall model

Modeling Tools

UML, Rational Rose, Visio

Testing technologies/tools

JUnit, JMeter, Selenium, Cucumber, SPock, Mockito, TestNg, Karma, Jasmine, Protractor, Mocha, Chai

Database Servers

Oracle, DB2, SQL Server, MySQL.

Version Control

GitHub, Dimensions, Clear Case, Git, Bitbucket, CVS, SVN.

Build Tools

ANT, Maven 3.0, Gradle, NPM, Grunt, Gulp, Bower, Jenkins.

Cloud

Salesforce, Genesys Pure cloud and Azure basics.

Professional Experience

DRIVR (Dual recognize Interactive Voice Response), CenturyLink Inc, Littleton, CO

Nov 2013- Till Date

Role: Java/ J2EE Full Stack Developer

CenturyLink Inc

Description: IVR is a technology that allows the computer to interact with the humans though the use of voice and DTMF tones input via keypad. Call Handling provides the ability to achieve region-wide intelligent front-end screening and routing of customer calls based on customer needs. Call handling software provides the ability to:

Route any call anywhere, anytime

Reduce operating costs

Provide capabilities to support incremental revenues by selectively routing calls to customer representatives.

Responsibilities:

Coordinate and manage the implementation of Enhancement or upgrades as per the business functionality scope.

Developed UI components using HTML, CSS, JavaScript, jQuery, Angular2.x, ReactJs, and AngularJS.

Used Spring AOP for cross cutting concerns and IOC for dependency injection.

Experienced in deploying J2EE applications on Apache Tomcat web server and WebLogic, WebSphere, JBOSS application server and RHEL.

Involved in the development and deployment of web service Endpoints using Apache CXF.

Developed hibernate DAO Access or classes using Spring JDBC Template.

Implemented Persistence layer using Hibernate to interact with Oracle Database, used Hibernate for object relational mapping and persistence. Developed Hibernate mappings to tables using JPA annotations.

Used Basic AUTH, OAuth2 to provide authorization decisions across a network of web enabled applications and API.

Used java 1.8 features like stream, lambda expressions, functional interface, collections, Date/Time changes and type annotations. Extensively used Apache Camel for transformation and used both Java DSL and XML DSL.

All the functionality is implemented using Spring IO / Spring Boot, Microservices and Hibernate ORM.

Involved in creating unit testing of various layers using JUnit and created automated test scripts for integration testing using selenium.

Performed Unit as well as System Integration test (SIT) and User Acceptance Test (UAT) for all the modules.

Involved in Maven based build process and continuous integration of the project using Hudson and Jenkins

Developed API to convert xml to vxml and vice versa to AVAYA understandable format.

Created Stored Procedures to perform DML statements and Triggers to log data for Audit.

Coordinates all the release processes related to the application. I am the Support Personnel during Application deployment.

Participate in calls/conferences/discussions with PLM and team members for requirement gathering and support team regarding outstanding issues.

Implemented NLP in IVR flows

Worked on ASR (Automated Speech recognition)/TTS (Text to speech) integration with IVR flow.

Integrated Nuance application with DRIVR application.

Environment: Spring Core, Spring IOC, Angular2.x, AngularJs, ReactJs, JavaScript, JSON, REST API, SOA,SOAP, Spring DAO, Spring Boot, Spring Security, Spring Integration, Cron, Unix, Spring-Hibernate integration framework, JSP, Oracle 11g, PL/SQL, XML, Maven, JUnit, REST web service, HTML5, CSS3, AJAX, Jira, Angular JS, HPALM, Dimensions, GitHub, Jenkins, Zabbix, AppDynamics, Selenium, Sentry log, AVAYA, Avaya Experience Portal administration, Nuance and NLP, Salesforce, Apex and Genesis Pure Cloud.

MMIS (Member Medicare Information System) for NH, ND, and AL

Dec 2008 - Nov 2013.

Role: Java/ J2EE Full Stack Developer

Client: Xerox (ACS).

Description: Medicaid is a health insurance program financed and run jointly by the federal and state governments for low-income people. The goal of the program is to provide medical and other health care services to eligible individuals so that they can remain as self-sufficient as possible. Medicaid is a state administered program. Each state sets its own guidelines, subject to federal rules and guidelines. Certain services must be covered by the states to receive federal funds. Other services are optional and are elected by states.

Responsibilities:

Created GUI pages using JSF portlets for IBM WebSphere Portals.

Implemented Change requests (CR) and GAPs raised by business client.

Used IBM Rational ClearQuest to track Bugs and releases.

Used ajax to call Async from JSF pages to prevent to Page refresh.

Worked on IBM WebSphere Portal container configurations and dispatch portlet life cycle.

Worked on JSF controller and VO to DO and DO to VO conversion.

Worked on design patters like Delegate, Façade to call EJB (Service layer).

Worked on EJB Transaction management and configures Async calls for JMS.

Worked on DAO Design pattern to communicate Data base and maintaining Transaction.

Created Hibernate POJO classes and mapping XML files.

Written Hibernate configuration file to specify Database details, Transaction, and mapping files details.

Written Named Queries, HQLs, Projections, Criterions, and SQL named Queries to fetch data from DB.

Used Java 1.6 to write business logic in front end and back end.

Worked on Member Password management and encryption and decryption using SHA1 and SHA128 algorithms.

Worked on creating EJB’s stubs and skeletons to deploy war on IBM WebSphere application server.

Worked on JNDI name space configuration in WebSphere Application server.

Configured Nodes and Database connections on Server.

Worked on Dynatrace to analysis Application heath and Dumps.

Worked on IPC (Inter portal communication) between portals.

Worked portal Themes and skins in Web sphere portal.

Participated in Application performance meetings.

Worked on Use cases, User interface preparation and Business rule analysis.

Worked on ANT scripts to build projects

Worked on IBM clear case to maintain project versioning.

Environment: IBM WebSphere Portal, IBM WebSphere application server, JSF, Portal Themes and Skins, Ajax, JSP and Servlets, Java1.6, Delegate design pattern, Façade design pattern, DAO design pattern, EJB3.0, Hibernate 3.0, Oracle 11g, JavaScript, REST API, SOA,SOAP, Cron, Unix, Ant, Junit, Dynatrace, IBM RAD,IBM Clear case, IBM ClearQuest, Blaze rules.

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