SUMMARY:

• Senior Java Full Stack Developer with over 8+ years of software development experience in Java/ J2EE, Spring Boot, Spring MVC, JSP, C, C++, JavaScript, Sql/PL Sql, Struts, Hibernate, iBatis, Web Services. Involved in complete SDLCfrom inception, planning, design, coding and testing to project closure mainly in the intranet, Internet and standalone application design, development, maintenance and production support in n - tier architecture.
• Designed & developed several multi-tierWeb based, Standalone, Distributed, Client-Server and Multithreaded applications using OOAD concepts and Service Oriented Architecture (SOA) mostly in cross-platform environments.
• Extensive experience in design and development of J2EE applications using Core Java, Java collection, JDBC, Servlets 2.4/2.5/3.0, JSP 2.0/2.1/2.2, Struts 1.2/2.x, JSF, iBatis, JMS, JSF My Faces, JPA, JNDI, JSTL, JTA, JAX-WS, JAX RS, Spring 2.5/3.0/3.1/4. x andHibernate 2.0/3.0/3.x.
• In-depth understanding of various Design Patterns like MVC, Builder, Singleton, Service Facade, Service Locator, Data Access Object, Data Transfer Object/Value Object, Business Delegate, Decorator and Factory.
• Experience in Servers IBM Web Sphere 6.x/7.x, Oracle Web logic 9/10/11g, JBoss 6.0/7/7.1, Apache Tomcat server 6.x/7.x/8.x, XAMPP 1.7.x/1.8.x for development and deployment of web applications.
• Hands-on experience using deployment scripts in Ant for deploying J2EE application in WebLogic, Websphere, JBoss application servers and Tomcat web server.
• Designed the application by implementing JSF Framework based on MVC Architecture, simple Java Beans as a Model, JSP and JSF UI Components as View and Faces Servlet as a Controller.
• Experience in implementing Spring Core, AOP, JDBC, MVC and ORM modules.
• Expertise with employment of Spring Kafka and Zookeeper apart from JMS as messaging service.
• Strong Application Integration Experience using Mule ESB with Connectors , Transformations , Routing , ActiveMQ , WebsphereMQ , JMS and RabbitMQ.
• Diverse experience utilizing tools in N-tier and Microservices architecture applications using Spring Boot, Spring Cloud config, Netflix OSS components, PCF, AWS, Rabbit MQ, Kafka, Zookeeper, Cassandra, My SQL, Restful Web Services.
• Worked in Jenkins for continuous integration of the application and System.
• Development of application server part and writing Groovy scripts for Jenkins.
• Extensive work experience on RDBMS concepts and worked with MySQL, Sybase, Oracle 9i/10g/11g and DB2.
• Proficient in SQL, PL/SQL and wrote Stored Procedures, Triggersbesides writing DDL, DML and transaction queries with development tools like Toad.
• Strong experience with MongoDB development (reports, schema design, map reduce functions) and migrations from SQL relational databases to NoSQL databases like MongoDB, Cassandra and CouchDB.
• Adept in building highly scalable, pluggable and interactive web applications with open source web frameworks like Struts, Spring MVC integrating it with Spring and Hibernate.
• Experience in developing persistence layer applications based on ORMbetween Java and Database using Hibernate.
• Extensive experience in AWS infrastructure architecture and build out.
• Worked on (AWS) infrastructure with automation and configuration management tools such as Chef and Puppet.
• Good knowledge of AWS, Amazon Cloud Services like Elastic Compute Cloud(EC2).
• Expertise in Client Scripting language and server side scripting languages like HTML, DHTML, CSS, JavaScript, JSTL, AJAX, jQuery, ExtJS, JSON, Dojo, bootstrap, AngularJs and node.js.
• Good knowledge in Angular 2.0 directives to create reusable elements and attributes, along with easy to test and maintain client side interactivity in web applications.
• Experience in JUnit framework with Mockito and Easy mock, Spring Junit Runner.
• Experience in Agile software development process, Test Driven Development and Scrum.

TECHNICAL SKILLS:

Java/J2EE Technologies: Servlets, JSP, JSTL, JDBC, JMS, JNDI, EJB, JPA

Programming Languages: Java 8.0/7.0/6.0/5.0 , PL/SQL

Application/Web Servers: WebSphere, Jenkins, JBoss, Tomcat 8, IBM WebSphere 8.x/9.x

Frameworks: Struts 2.x/1.x, Spring 4.3, Hibernate 3.0/4.x, JSF 1.2/2.0,iBatis

IDEs: Eclipse, IntelliJ 2017.1, NetBeans 8.0.2, Spring Tool Suite(STS) 3.8.3

Web technologies: JavaScript 1.8, jQuery 2.11, AJAX, XML 2.2, HTML 5, DHTML, CSS 3, CSS 4, Angular JS 1.0/1.5/2.0, Node js

Web Services: JAXWS, JAXRPC, JAX: RS, SOAP 1.2, WSDL, UDDI, REST 2.2, JAXB, Apache Axis

Methodologies: Agile, Scrum, TDD(Test-Driven-Development), OOAD, SDLC

Modeling Tools: UML, Rational Rose

Testing technologies/tools: JUnit 4.12, JIRA 7.0

Database Servers: Oracle 9i/10g/11g, DB2, SQL Server 2000/2005/2008 , MySQL

Version Control: GIT, CVS,SVN, Rational ClearCase

Build Tools: ANT, Maven 3.3.9, Gradle 3.4.1

PROFESSIONAL EXPERIENCE:

Confidential, Salt Lake City, UT

Senior Java/Full stack developer

Responsibilities:

• Expertise in analyzing and resolving Cross-Brower compatibility issues and provides coding solutions to reusability problems.
• Developed using new features of Java8 Annotations, Generics, enhanced for loop and ENUMS.
• Used LINQ to Entity Framework using lambda expressions for communicating between business layer and database and Coded in java 1.8
• Java8 Stream API for Bulk Data Operations on Collections using both streams and parallel streams.
• Developed front end web applications by using web technologies such as AngularJS, Html5, CSS3, JavaScript.
• Developed Angular functionality in the application to provide two-way binding to the system
• Developed single page applications using ng-route module in Angular 2.
• Used customized services and directives in AngularJS to develop dynamic and responsive webpages.
• Built the template, pulled agent information from JSON object and rendered it onto the widget.
• Used TypeScript to add optional types, classes, and modules to JavaScript.
• Debug the application using Firebug to traverse the documents and manipulated the Nodes using DOM and its Functions.
• Developed SOAP and REST web services using Java, Hibernate, JAX-WS, JAX-RS and JAXB.
• Rest services templates are generated using swagger specifications.
• Following Agile methodology ( SCRUM ) during development of the project and oversee the software development in Sprints by attending daily stand-ups.
• Implemented business logic using Spring service layer and Spring DAO layer using Spring Framework.
• Configured Spring declarative transaction manager and implemented transaction management in DAO layer.
• Integrated Spring and Hibernate, configured logging using log4j and developed exception handling for the application.
• Wrote Hibernate Criteria queries for data retrievals and have performed the ORM mappings to map java entities to database tables.
• Used Spring IOC as Dependency Injection.
• Used Microservice architecture with Spring Boot-based services interacting through a combination of REST and Apache Kafka message brokers.
• Implementing and debugging code in groovy and rat-pack for micro services for giving flexible callback, polling mechanisms between external micro services.
• Developed Micro services using Spring MVC, Spring Boot, Spring Cloud, Spring AOP, Dependency Injection.
• Deployed Spring Boot based micro services Docker container using Amazon EC2 container services and using AWS admin console.
• Created computing and data resources on AWS using EC2.
• Utilized AWS Lambda platform to upload data into AWS S3 buckets and to trigger other Lambda functions.
• Implementation of Hystrix circuit breaker to avoid loss of messages during handling of messages at the consumer level.
• Implementation of Zuul proxy as the API gateway.
• Experience with basic WebSphere Administration- like Data Source Configurations, Listener port configurations, JVM Property Configuration, Certificates Configuration, deploying EAR’s into various environments (TEST, PILOT) through Admin Console, etc.
• Implement Persistence layer using Hibernate and writing SQL queries based on Hibernate criteria API.
• Used Oracle 11g as a database in the backend.
• Developed Pl-Sql store procedures to convert the data from Oracle to MongoDB.
• Developed UNIX scripts to run the file validations, automate file manipulation.
• Performed Unit testing using thru URLs, JUnit and also by making calls into the system.
• Used JSON for serializing structured data.
• Configure Jenkinsbuild jobs for Continuous Integration and for regression testing.
• Used GIT for version control and involved in writing the build scripts using Maven.
• Creating unit test strategy, preparing test environments and test cases.
• Prepared documentation for some of the recurring defects and resolutions and business comments for those defects.

Environment: Java 1.8, Java EE, Hibernate4.2, Spring4, Spring Boot, Spring MVC, JPA, TypeScript, Maven, RESTful Web services, JAX RS 1.1, Jersey 1.6, VXML, Web Services1.3, HTML5, CSS3, JavaScript, AJAX, JSON, Node.js, Angular, bootstrap, XML/XSL, Oracle 11g, JUnit, JAXB, WSDL, UDDI, GIT, Groovy, Tomcat, Log4j, SQL, Putty, AWS, Docker, Jenkins, IntelliJ, Firebug, Unix and Windows 7.

Confidential, O’Fallon, MO

Senior Java/Full stack developer

Responsibilities:

• Involved in various phases of Software Development Life Cycle (SDLC) of the application like Requirement gathering, Design, Analysis and Code development.
• Generated Use case diagrams, Class diagrams, and Sequence diagrams using Rational Rose.
• Developing and editing user Interface Screens using JSP, HTML5.0, JavaScript and node.js.
• Improve presentation of webpages CSS 3.0, Adobe Flash and JQuery plug - INS.
• Creating custom, general use modules and components, which extend the elements and modules of core AngularJS.
• Used Twitter Bootstrap to create responsive web pages, which can displayed properly in different screen sizes.
• Developed the applications using Java, J2EE, Struts, JDBC
• Developed Struts Action classes using Struts controller component.
• Created struts form beans, action classes, JSPs following Struts framework standards.
• Used Jackson which is a JSON processor for both generation and parsing of JSON representations of Java objects
• Used display tag libraries for decoration and used display table for reports and grid designs.
• Worked on core java, using file operations to read system file (downloads) and to present on JSP.
• Involved in the development of underwriting process, which involves communications without side systems.
• Used IBM Operational Decision Manager to designing a rule project and deploying rules to a runtime environment.
• Developed enterprise reference architecture, SOA & Cloud strategy in a SaaS driven enterprise business model.
• Used PL/SQL stored procedures for applications that needed to execute as part of a scheduling mechanisms.
• Developed and debugged the Servlets with JOBSS.
• Implemented the application using design patterns such as Session Façade, Business Delegate, Bean Factory, Adaptor andSingleton.
• Used ReactJS to create views to hook up models to the DOM and synchronize data with server as a Single Page Application (SPA).
• Developed and implemented Swing, spring and J2EE based MVC (Model-View-Controller) framework for the application.
• Developed applications to asses JSON and XML from Restful web services from consumer side using ReactJS.
• Designing and implementing scalable, RESTful and microservices based mobile back-end. The back-end is being written in Java using Spring Boot for simplicity and scalability.
• Used Spring JDBC to retrieve the data and represented the data in the form of tree which has seven hierarchies and implemented drag and drop functionality to it.
• Implemented pre-authentication and data base security using spring security.
• Used Apache Camel for messaging technology glue with routing. It joins together messaging start and end points allowing the transference of messages from different sources to different destinations.
• Used Spring Batch as spring batch jobs can meet the requirements of reliability, robustness, and traceability, which are essential for automatic processing of large amount of data.
• Used SAX XML API to parse the XML and populate the values for a bean.
• Used Jasper to generate rich content reports.
• Implemented persistence layer using Spring JDBC that use the POJOs to represent the persistence database tuples. These POJOs are serialized Java Classes that would not have the business processes.
• Assisted in planning, installation and execution of new JRules ILOG server, application server and Team server and developed designs and strategies for business rules and address problems including configuration of ILOG Rules.
• Involved in building a scalable email system using amazon simple email service, s3 for handling heavy loads.
• Worked on Pivotal Cloud Foundry to host Cloud based Applications.
• Experience in re-architecting monolithic architecture service into micro services based architecture using spring boot and pivotal cloud foundry.
• Worked on Mongo DB concepts such as locking, transactions, indexes, replications, schema design.
• Implemented multiple high-performance Mongo DB replica set.
• Worked with other NoSqland Big data technologies such as Cassandra and Hadoop
• Apache Ant was used for the entire build process.
• Used Mockito for unit tests development of Test-driven Development (TDD).
• Deployed the application in JBOSS production server running in Linux platform.
• Used log4j for logging errors in the application.
• Involved in JAD sessions to gather requirements from the end clients.
• Used GIT as version management, JIRA for defect management system
• Involved in unit testing, troubleshooting and debugging. Modifying existing programs with enhancements.
• Involved in fixing bugs the bugs or defects in the application.
• Successfully executing offshore modeling by effective and on time knowledge sharing with offshore project groups through weekly team meetings and daily status update calls.
• Worked as the part of a core team to monitor and enhance the performance of the application.
• Provide guidance and direction to team members in their day-to-day activities.

Environment: EJB3.0, Spring, JSP1.2, Servlets2.1, Jasper reports, IBM MQ, XML, REST, JDBC, JavaScript, XSLT, XML, UML, HTML, JNDI, Python, SaaS, Apache Camel, Jackson, Spring Boot, JBoss 6.x, ClearCase, Drools, Log4J, ANT, Swagger, Mockito, MongoDB, Eclipse, Pivotal Cloud Foundry.

Confidential, Boston, MA

Java Full Stack Developer

Responsibilities:

• Experienced with Software Development Life Cycle(SDLC) with object oriented of business process and worked on developing Service oriented architecture applications in agile development environment.
• Developed Web applications in MVC architecture using Spring Framework.
• Implemented logging in the application using Spring Framework AOP module to know the application status. Used Spring DAO module for performing CRUD operations on database.
• Spring MVCFramework IOC design pattern to provide relation between application components. Separated application configuration and dependency specification from actual application code .
• Developed REST web services using Spring MVC to extract client related data from database and used SOAPUI for testing these RESTFULAPI web services.
• Familiarity with Service Oriented Architecture (SOA) by developing and consuming RESTful web services based on JAX-RS and Jersey.
• Wrote corresponding one-one REST methods to implement respective change requests (change appliers)
• Implemented the Web Service client for the login authentication, credit reports and applicant information using JAX-WS 2.0 and Apache Axis 2.
• Called external vendor applications using Web Services for delivering notifications.
• Created SOAP based web service using JAX-WS and tested service using SOAP UI.
• Tested REST services using google chrome’s POSTMAN plugin.
• Worked on JUnit for creating test cases for all the Business Rules and the application code.
• Experienced with setting up the basic project setup from scratch using Spring-Hibernate based design.
• Posted messages to external vendor sites using ApacheCXFand exposed services to other client applications.
• Worked on JPA as persistence layer, involving EJB annotations to synchronize with database through XML .
• Used JIBX binding to convert Java object to XML and vice-versa.
• Deployed the application in JBoss Application Server.
• Developed UI using HTML, JSF, jQuery and JavaScript and used Ajax in few applications.
• Developed CSS sheets for developing user aesthetic UI components.

Environment: HTML, JSF, jQuery, JavaScript, Apache CFX, JBoss, Spring 3.x, Hibernate 3, SpringMVC, SVN, SOA, RESTful, JAX-RS, Jersey, SoapUI, JAX-WS, Apache Axis 2, JUnit, Web services, JiBX, Postman, Agile.

Confidential, Detroit, MI

Java/J2EE Developer

Responsibilities:

• Worked on Agile Scrum development lifecycle with 2-week sprints, fast-paced deadlines to implement new features and get it deployed to prod every 2 months
• Configured Spring MVC from scratch using XML configurations, namespace handling, spring security setup and giving access to resources.
• Developed the view components using JSP, HTML, Struts Logic tags and Struts tag libraries & Involved in developing the CSS sheets for the UI Components.
• Used Hibernate in persistence layer, written hibernate mappings using Annotations, HQL.
• Used Hibernate Annotations to reduce time at the configuration level and accessed Annotated bean from Hibernate DAO layer.
• Involved in designing and implementation of Session Facade, Business Delegate, Service Locator patterns to delegate request to appropriate resources.
• Involved in the testing of the web services to establish time taken to attach and send huge PDF.
• Spring boot and REST services are implemented while developing web-based applications.
• Extensively used MVC, Factory, Delegate and Singleton design patterns.
• Used Java 1.4 for the compilation.
• Used Spring Framework AOP Module to implement logging in the application to know the application status. Used Spring DAO Module along with Struts Framework to deal with Database.
• Spring MVC Framework IOC (Inversion of Control) design pattern is used to have relationships between application components. It is also used to separate the application configuration and dependency specification from the actual application code.
• Developed, and debugged the servlets and EJB with WebSphere Application server.
• Developed the middle tier using EJBs, Java Servlets.
• Developed session, entity beans and message driven beans.
• Designed and developed the UI using Struts view component, JSP, HTML, CSS &JavaScript, AJAX, JSON.
• Developed Struts based presentation layer, hibernate based DAO layer and integrated them using Spring Dependency injection, ORM and Web modules
• SOAP has been used as a protocol to send request and response in the form of XML messages.
• Used Spring Framework for Dependency Injection and integrated it with the Struts Framework and Hibernate.
• Wrote database queries using SQL and PL/SQL for accessing, manipulating and updating Oracle database.
• Used Clear Case to merge code and deploy them in to a central depository location.
• Wrote Ant Scripts to automate the build and deploy process.
• Involved in Unit integration, bug fixing, acceptance testing with test cases, Code reviews.

Environment: Struts 2.0, Hibernate 3.0, JSP, JavaScript, SOAP, Oracle, PL/SQL, Eclipse, Bean, Junit, JBOSS, Struts, DAO, AOP Spring, MVC Spring

Confidential, Enfield, CT

Java Developer

Responsibilities:

• Designed the application using the J2EE design patterns such asSingleton, Business Delegate, Service Locator, Value Object, Value List Handler,Session Façade.
• Developed Use case diagrams, Object diagrams, Class diagrams, and Sequence diagrams using UML.
• Developed presentation tier as HTML, JSPs using Struts Framework.
• Developed the middle tier using EJBs.
• Developed session, entity beans and message driven beans.
• Entity Beans used for accessing data from the SQL Server database.
• JQuery opinionated about how a CRUD (Create, Read, Update, Delete) application should be built.
• Prepared high and low level design documents for the business modules for future references and updates.
• Deployed the application on WebSphere application server in development and production environment.
• Undertook the Integration and testing of the different parts of the application.
• Developed automated Build files using ANT.
• Used Subversion for version control and log4j for logging errors.
• Code Walkthrough, Test cases and Test Plans.

Environment: Java/J2EE, Struts 1.2, Tiles, EJB, JMS, Servlets, JSP, JDBC, HTML, CSS, JavaScript, JUnit, Websphere 7.0, Eclipse, SQL Server 2000, log4j, Subversion, Windows NT

Confidential

Java Developer

Responsibilities:

• Involved in the Requirements collection & Analysis from the business team.
• Created the design documents with use case diagram, class diagrams, and sequence diagrams using Rational Rose.
• Implemented the MVC architecture using Apache Struts1.2 Framework.
• Implemented Action Classes and server side validations for account activity, payment history and Transactions.
• Implemented views using Struts tags, JSTL2.0 and Expression Language.
• Implemented Tiles Framework for the views layout.
• Implemented session beans to handle business logic for fund transfer, loan, credit card & fixed deposit modules.
• Worked with JAXB, SAXP and XML Schema for exporting data into XML format and importing data from XML format to data base and JAXB in the web service's request response data marshalling as well as marshaling process.
• Implementedweb services client to consume the third-party service API for validating credit cards. Used XMLWeb Services using SOAP to transfer application that is remote and global to different financial institutions.
• Used JMS for reliable and asynchronous exchange of important information such as payment status report.
• Developed Unit test cases using JUnit.
• Developed Ant scripts and developed builds using Apache ANT.
• Used Log4J to capture the log that includes runtime exceptions.
• Used Clear Case for source code maintenance.

Environment: J2EE, Java, Struts, Tiles, JSP, JNDI, Clear Case, SOAP, WSDL, UDDI, JAXB, JAXP, Schema (XST), EJB 2.0, ANT, JavaScript, JMS, Rational Rose, WSAD, DB 2.