HARSHA PENIMETSA JAVA FULL STACK DEVELOPER

440-***-**** adiww6@r.postjobfree.com

SUMMARY

Around 71/2 years of professional experience in all phases of Software Development Life Cycle (SDLC) including Requirements Gathering, Analysis, Design, Implementation & Maintenance and testing various methodologies using Java/J2EE, Micro Services along with wide-ranging skills in web application development.

Expertise in Core Java Such as OOPs, Collections, Exceptions Handling, Input/output (I/O) System, Swing, Annotations, E-Nums, Concurrency, Multi-Threading, Lambda and Generics.

Experience working with Front-end JavaScript frameworks like JQuery, Bootstrap JS, Angular JS.

Experience database development skills using SQL/PLSQL for various relational Databases like Oracle, Sybase, Postgre SQL, SQL server and NOSQL databases like MongoDB and Cassandra.

Experience in Designing and building dynamic and user interactive websites using HTML5, CSS3, AJAX, JavaScript, AngularJS, Bootstrap, Node.js and JQuery.

Experience in developing Web Applications with various Open Source frameworks like: Struts Framework 1.3, Spring Framework.

Experience in several technologies like JDBC, Servlets, JSP, Java Beans, MVC, Struts, Spring, JSF, EJB, Java SOAP, CSS, JavaScript, EXT JS, AJAX, XML, JSON, HTML5/HTML, Maven.

Experience in application integration using Web Services such as JAX RPC, JAXB, JAX-WS, SOAP, WSDL, JAX-RS, Restful.

Proficient in utilization of Java, various J2EE packages, and associated technologies such as Struts, Hibernate, Spring, EJB, JNDI, JDBC, JMS and SOAP/Rest web services.

Designed, configured and managed public/private cloud infrastructures utilizing Amazon Web Services (AWS), including EC2, Elastic Container Service (Docker Containers), Elastic Beanstalk, S3, Cloud Front.

Experience in Installing, Configuring, Deploying and maintaining Application and web Servers such as Oracle Web Logic, Red Hat JBoss Enterprise Application platform (EAP), Apache Tomcat Server, IBM Web Sphere and Glassfish Application Server.

Experience in Integrating and deploying applications using Apache Camel, Apache CXF, ActiveMQ and JBoss Fuse Enterprise Service Bus (ESB).

Experience in Developing Application using frameworks Spring Dependency Injection (DI), IOC, Aspect oriented Programming (AOP), Instrumentation, Integration, Security, Spring Boot, Struts and Hibernate.

Experience in building flexible, reliable, efficient and secured Enterprise and Web based applications using Spring MVC and Spring Web Flow frameworks and Spring Boot.

Proficiency in Internet Application development using Java, Servlets, JSP, XML, Java Script, PL/SQL, Tomcat, Eclipse.

Experience in using the databases such as MySQL, MS SQL Server, DB2, Oracle 11g, 12c.

Good understanding of RDBMS through Database Design, writing queries and stored procedures using databases like Oracle 9i, MySQL and SQL Server.

Experience in NoSQL databases such as MongoDB and Cassandra.

Experience in development of Restful API and SOAP based web services and clients

Expertise in configuring, using and administrating version control systems like GIT, Clear Case, Subversion and CVS.

Extensive experience in XML related technologies such as XML, DTD, XSD, XPATH, XSLT, DOM, SAX, JAXP, JSON and JAXB.

Hands-on experience in using the Integrated Development Environments such as Eclipse, Net Beans.

Experience working with web services using SOAP, UDDI, WSDL, REST and implementation using APACHE AXIS and Jersey.

Experience in installing, configuring, tuning Apache Tomcat 6.x/7. x.

Thorough knowledge in Unit Testing with JUnit 3.8/4.0, and ANT build environment.

Experience in using Jenkins for continuous integration and sonar jobs for java code quality.

Good knowledge on design and development of code automation tools for Migration Systems.

TECHNICAL SKILLS

Programming Language

Java, JDK, C, C++, SQL, PL/SQL

Java Technologies

J2SE, J2EE, JSP, Servlets, EJB, Swing, JDBC, JMS, Java Beans

Java Design Patterns

MVC Architecture, Front Controller, Session Facade, Business Delegate, Session Façade, Data Access Objects (DAO) and Data Transfer Objects (DTO), Singleton

Frameworks

JSF 1.2/2.0/3.0, Struts 1.X, Java8,Java9,Java10,Java11,Spring 2.0/2.5, Spring MVC, JPA, Hibernate 3.0, Apache ANT, Log4J, Angular JS, Node JS

Web Technologies

JSP, XML, HTML,CSS, Angular JS, jQuery, Node JS

Web Services

SOAP, WSDL, XML, SOA, JAX-WS, JAX-RS

IDE

Eclipse 3.x, NetBeans 4.1

Version Control

Git, Rational Clear Case, CVS, SVN

Web/Application Servers

IBM Web sphere Server, Apache Tomcat, Web logic, Glassfish

Databases

MySQL, MS SQL Server, Oracle 10g

Scripting

JavaScript, Shell, ANT, Maven

DevOps Tools

Jenkins, ANT, Maven, JIRA, Git, Docker, Kubernates, AWS (Amazon Web Services)

Messaging Technologies

JMS (Java Message Service), MDB

EDUCATION

Master of Science, Computers

PURDUE UNIVERSITY USA

Bachelor of Technology, Computer Science

VELLORE INSTITUTE OF TECHNOLOGY INDIA

WORK EXPERIENCE

Sr. Java Full Stack Developer Chubb Insurance Whitehouse Station, NJ Sep 2019 – Present

Description: Chubb is the world’s largest publicly traded property and casualty insurer. With operations in 54 countries and territories, Chubb provides commercial and personal property and casualty insurance, personal accident and supplemental health insurance, reinsurance and life insurance to a diverse group of clients. As an underwriting company, we assess, assume and manage risk with insight and discipline. We service and pay our claims fairly and promptly. We combine the precision of craftsmanship with decades of experience to conceive craft and deliver the very best insurance coverage and service to individuals and families, and businesses of all sizes.

Key Contributions:

Involved in various phases of Software Development Life Cycle (SDLC).

Interfaced with upstream and downstream systems to gather requirements.

Responsible for creating High level and Component level design documents.

Involved in developing SQL queries and stored procedures to Insert, fetch and update records into the database using Spring JDBC.

Developed application using best practices, design patterns and test-driven development.

Designed and developed SOAP web service to provide data to other systems.

Provided spring based Restful Web service..

Participate in wireframe reviews with UX team to understand the requirements.

Used GIT for version control.

Used JWT for authentication and Spring Actuator to track the health of the application.

Developed Complex database objects like Stored Procedures, Functions, Packages and creating new web components and features.

Migrated from ActiveMQ messaging queues to kafka.

Designed 10 Unique themes with rich and flexible to accommodate different scenarios in which the user might want to display the data.

Developed some standalone Micro services using Spring Boot micro service architectural pattern.

Used Micro services architecture to break down the monolithic application to independent components.

Used Maven for Project management and build automation.

Used Liquibase for tracking, managing and applying database changes.

Automated test cases related to JDBC Connections, JMS and Web Services in Apache JMeter.

Created purge scripts to purge old data from the Database.

Responsible for interfacing with various teams, groups to resolve defects.

Responsible for preparing the release implementation plan and provide support during Production implementation.

Coordinated with onsite and offshore teams.

Environment: Java/J2EE, Spring MVC, Spring JMS, Spring JDBC, Java 8,Spring Batch, SOAP, REST Web Services, Active MQ, XML, YAML, Apache Tomcat, DBeaver, Maven, SoapUI, TFS, PuTTy, WinSCP, and UNIX.

Sr. Java Full Stack Developer Cox Automotive Inc Groton, CT Oct 2018 – Aug 2019

Description: Cox Automotive is the world’s leader in vehicle remarketing services and digital marketing and software solutions for automotive dealers and consumers. Cox Automotive, a subsidiary of Atlanta-based Cox Enterprises, includes Manheim, AutoTrader.com, Kelley Blue Book, vAuto, NextGear Capital, and a host of global businesses and brands serving customers such as auto dealers, manufacturers and financial institutions. Headquartered in Atlanta, Cox Automotive employs nearly 24,000 employees in over 150 locations worldwide.

Key Contributions:

Involved in various phases of Software Development Life Cycle of the application like requirements gathering, Design, Analysis, Development and Testing

Designed and developed the REST based Micro Services on the card accounts using Spring Boot.

Used Angular JS and typescript for frontend to develop web pages.

Implemented the Model View Controller (MVC) framework and spring.

Worked on Web Services for transferring XML data between two interfaces.

Designed and developed the UI using Spring View component, JSP, HTML, CSS, JQuery and AngularJS.

Worked as part of Micro services team to develop and deliver Maven projects to deploy on Jenkins and also having experience in managing the Docker containers in kubernetes.

Exposed the application using Rest Web service, developed http post, get methods based on requirement and handled the errors using http status codes. Used Postman API to test REST API output data.

Involved in the design and development phases of Scrum Agile Software Development.

Responsible for creating the detailed design and technical documents based on the business requirements.

Used Dependency Injection feature of Spring framework and Involved in writing

The database integration code using Hibernate leveraged the AOP features of spring framework to handle exceptions.

Created XML files for storing the data required for module.

Created AWS Route53 to route traffic between different regions.

Configure AWS IAM and Security Group in Public and Private Subnets in VPC.

Wrote application front end with HTML, JSP, Ajax,JQuery and CSS

Used Java/J2EE Design patterns like Business Delegate and Data Transfer Object (DTO).

Used Ajax, JSTL and JavaScript in front end design.

Junit was used for unit testing and as logging frameworks.

Wrote ANT scripts to automatically save files from remote to local machine.

Involved in Iterative development using Agile Process.

Hands on experience on UNIX commands, used to see the log files on the production server.

Used GIT for version control of the source code.

Created Web services using Apache Axis 2 for communication with other application.

Created and executed unit and regression test scripts; created personal and common test

Data, tracked actual vs. expected results, and evaluated quality of modules created.

Responsible for delivering changes to different Development, Integration and User Acceptance Testing regions, supporting User Acceptance testing and addressing defects and supporting the system in Production and fixing Production defects.

Environment: Java 8, AngularJS, REST, Micro-Services, Spring, Spring Boot, Spring MVC, Hibernate, JavaScript, Docker, Typescript, Jira, Git, Jenkins, AWS, Git, Kubernetes, Maven, Karma, Jasmine.

Java Full Stack Developer Group-M New York City, NY Oct 2017 – Sep 2018

Description: GroupM is the world’s largest advertising media company in terms of billings. It is headquartered in New York City with over 32,000 employees and 400 offices in over 100 countries. GroupM was formed in 2003 by WPP Group to serve as the parent company of WPP's media agencies including Mindshare, MediaCom, Wavemaker, Greenhouse Group.

Key Contributions:

Worked as a Full-Stack developer in struts to spring migration project (customer service application).

Good experience in developing web Applications using Spring MVC, Spring Boot framework implementing Controllers, spring Forms, Spring Validation Framework and Spring Tag Libraries.

Expertise in converting XSL to JSP’S and implemented Tiles configuration.

Experience working on Web Logic and Jetty servers to deploy and debug the application.

Implemented WAS API technique to reduce the threat of software vulnerabilities with cross-site scripting, cross site request forgery, click Jacking.

Designed and developed Application based on JSF framework using MVC design patterns.

Involved in Implementation and Unit testing of the product

The application flow is designed and developed using JSF, spring framework and Tiles

Designed and developed the UI using Struts view component, JSP, HTML, CSS and JavaScript

JSP Content is configured in XML Files.

All the functionality is implemented using Spring IOC / Spring Boot and Hibernate ORM.

Implemented Java EE components using Spring MVC, Spring Boot, Spring IOC, Spring transactions and Spring security modules

Experience in integration tools Oracle SOA, Web Methods and Apache Camel.

Knowledge of using apache Camel through fuse Mediation router.

Implemented session beans using EJB 3.0

Assisted in development and maintenance of new APIs for integration.

Prepared code and applications for displaying various outcomes of API applications.

Deployed the web components into the web Sphere application server.

Designed and developed various modules of the application with J2EE design architecture, Spring MVC architecture and Spring Bean Factory using IOC, AOP concepts.

Implemented features like logging, user session validation using Spring-AOP module

Developed server-side services using Java5.0, Spring 2.5, Web Services (SOAP, WSDL)

Wrote application front end with HTML, JSP, Ajax JQuery, Spring Web Flow, XHTML, DHTML and CSS

Hibernate is used as persistent at middle tire for providing object model over relational data model

Code Reviews, customization and maintenance of code across applications

Responsible for performance issues. Optimized ant build scripts for faster building and worked on modifying shell scripts

Hands-on experience with control tools like CVS, SVN, VSS (Visual SourceSafe) and data modeling.

Using CVS version control tools to manage source repository

Creating environment for user-acceptance testing and facilitating Integration and User Acceptance Testing with JUNIT

Invoked Web services to generate Java classes from XML schema.

Developed build Scripts using Maven to build and deploy the application

Used Wireshark to know the communication between local and remote machine. Captured local TCP protocols to know the number of round trips, in order to improve the performance.

Used WinSCP to copy the files between remote and local machines.

Worked on VuGen, to validate the xml scripts and to perform smoke test.

Worked on performance center environment to run the scripts and to collect the load runner results, also involved in monitoring the CPU utilization and memory utilization by load generators and validating performance tuning results.

Used HP Load Runner, to modify the load runner results, and to analyze the graphs generated.

Worked on Axman, to generate the graphs and to compare the results taken from the log files.

Used Putty, to check the server instances and log files.

Wrote ANT scripts to automatically save files from remote to local machine.

Worked on MySQL statement caching and database connectors.

Environment: Java/J2EE, Spring, Hibernate, Servlet, JSP, JavaScript, CSS, XSL, Web Sphere, SQL, Mongo DB, Maven, Apache POI, HTML, JUnit, XML, Log4J, Oracle, Tortoise SVN, Web services - Restful and SOAP, UNIX, SAS, Ab Initio and Windows.

Sr. Java Developer Citi Bank New York City, NY Mar 2016 – Sep 2017

Description: Citi Bank provides funds or loans to people with small business requirements. Applicants get their loans sanctioned based on their credit history. The applicant information is maintained in a database along with the details of the loan for repayment. This data is filtered into different categories based on parameters like type of account, loan amount, due date. The filtered data is used for statistics for generating reports.

Key Contributions:

Used Spring MVC, Spring Boot to decouple business logic and view components.

Developed the Business Logic using Plain Old Java Objects (POJOs)

Developed Graphical User Interfaces using HTML and JSP’s for user interaction

Performed client side validations using JavaScript.

Developed a Message Driven Bean that uses JMS to manage backend transactions and approval for user loan applications.

Created set of classes using DAO pattern to decouple the business logic and data.

Implemented Hibernate in the data access object layer to access and update information in the Oracle10g Database

Used various Core Java concepts such as Multi Threading, Exception Handling, Collection APIs to implement various features and enhancements.

Wrote test cases in JUnit for unit testing of classes.

Interfaced with the Oracle 10g back-end database using Hibernate Framework and XML config files.

Created dynamic HTML pages, used JavaScript for client-side validations, and AJAX to create interactive front-end GUI.

Consumed Web Services for transferring data between different applications.

Involved in coding, maintaining, and administering Servlets, and JSP components to be deployed on a Web logic Application server and Apache Tomcat 6.0 application servers.

Wrote PL/SQL queries, stored procedures, and triggers to perform back-end database operations.

Built scripts using Ant to build the J2EE application.

Used Eclipse 3.0 IDE for developing code modules in the development environment

Performed connectivity with Oracle database using JDBC.

Implemented the logging mechanism using Log4j framework

Used SVN version control to track and maintain the different version of the application.

Environment: Java/J2EE, JSP, Servlets, Spring 3.0, Hibernate, Web logic Application Server 10g, XML Web service, Apache Tomcat 6.0, Unix, Oracle 10g, SQL Server 2005, HTML, IBM MQ, DHTML, XML, XSLT, Eclipse3.0, AJAX, JavaScript, Apache Ant 1.7, Edit plus 3.0, JDBC, Windows XP, JUnit 3.8, Log4j, CSS, SVN.

Java Developer Cars.com Chicago, IL Apr 2015 – Feb 2016

Description: Cars.com is a leading online destination that helps car shoppers and owners navigate every turn of car ownership. A pioneer in automotive classifieds, the company has evolved into one of the largest digital automotive platforms, connecting consumers with local dealers across the country anytime, anywhere.

Key Contributions:

Responsible for gathering business requirements, review the requirements and converting them to detailed design documents and clarification documents.

Developed backend applications using Spring, Hibernate, Java, JSP, HTML, DHTML, JavaScript and AJAX.

Implemented JSP, Struts Tag Libraries, JavaScript and CSS for developing User for creating/generating Hibernate classes and configuration XML’s and to also manage CRUD operations (insert, update, and delete).

Configured Java Messaging Services (JMS) on Web Logic Server using Eclipse IDE

Used Web Services to get price from external Business Entities.

Consumed Web Services as a gateway for the payment through the third-party.

Developed Web Services using SOA, SOAP, WSDL and JAX-WS, JAX-RPC programming models.

Developed several REST web services supporting both XML and JSON to perform tasks such as validation of the card details. Restful web services leveraged by both web and mobile applications.

Responsible for integration of different modules.

Implementing the rules using drools. Created JUnit test cases, and Development of JUnit classes.

Configured log4j to enable/disable logging in application.

Developed ANT script to build .war and. ear files for the application.

Involved in Code Reviews of other modules, documents, test cases.

Wrote UNIX Shell scripts and used UNIX environment to deploy the application.

Responsible in coordination with Onsite team, attending daily and weekly scrum meetings to update the work status, issues clarifications etc.

Environment: JDK 1.6, Core Java, J2EE developer, Spring, Hibernate, Drools, Web Logic Server, Web Services, JMS, PL/SQL, Linux, XML HTML, JavaScript, SVN, ANT, Log4j, JUnit, JBoss, Oracle, Windows XP and Unix.

Java Developer American Airlines Plano, TX Jan 2014 – Mar 2015

Key Contributions:

Developed the application using MVC-1 Architecture using JSP, Servlet and EJB.

Participated in client requirement gathering.

Involved in developing Class diagrams, Sequence Diagrams using UML.

Preparation of the Low-Level Design document which include program specification and unit test.

REST service development with Spring MVC, serving JSON payloads to a Drupal/PHP based front end.

Developed HTML and JSP pages for user interaction and data presentation.

Developed JSPs to implement the business logic, and use java beans to retrieve the data.

Involved in Coding of EJB (Enterprise Java Beans), which implements business rules, and business logic.

Involved in developing the Java classes and JavaBeans.

Involved in Creation of tables in database.

Extensively used Net beans for writing code.

Involved in Unit and Integration Testing.

Deployed the application on Linux server in testing and production environments

Supported Maintenances and bug fixes.

Developed presentation layer using JSP, Servlets, HTML, CSS, JQuery and JavaScript.

Involved in System Analysis and Design methodology as well as Object Oriented Design and development using OOAD methodology to capture and model business requirements.

Environment: Web Logic Application Server v9.0, Apache Tomcat Web Server v6.0, Jasper Developer, Core Java, HTML, JSP, Servlet, EJB, Java Beans, Linux, MySQL v5.2 CE, JUnit, CVS.

Software Developer Mplussoft Technologies India Sep 2012 – Dec 2013

Key Contributions:

Designed, developed, deployed physician finder, hospital search and Maps & Directions functionality using Java and JSP

Used Web Sphere Studio for the development of Java Servlets and JSPs and deployed them using Web sphere

Designed and developed the presentation layer using AJAX for RUI (Rich User Interface).

Used Jsp Taglibs (JSTL) for the customization of the web pages.

Created DAO for hospital search and home health Search.

Developed the Servlets and Data Access Layer classes and used JDBC API for interaction with the Oracle Database.

Involved in front-end designing using HTML, CSS and JavaScript with JSF Ajax and tag libraries.

Testing the module, fixing the bugs and XML used to transfer the data between different layers.

Used UML Methodologies for designing the gathered requirements.

Was involved in creating Use Case Diagrams

Documented the work done and gathered the specification changes.

Debugged the issues using features of WASD.

Coordinated with other teams in resolving software/hardware issues.

Involved in writing unit test cases and unit testing.

Created stored procedures using SQL Server and accessed them by using Java.

Used Rational Rose to design class diagrams and sequence diagrams.

Environment: Java, J2EE, Struts, JSP, JSTL, RUP, UML, Web Methods, Servlets, JavaScript, PL/SQL, WebSphere5. 0, SQL Server, Oracle 9i, ANT, Rational Clear Case, web portal.

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