SUMMARY:

• 7 years of work experience and background as a Java Developer in Software development using Object - Oriented, Java/J2EE and Client Server technologies.
• Experience on implementation of complex Client/Server Intranet/Web based n-tier systems in various platforms like Banking, Financial & E-commerce.
• Involved in various projects related to Data Modelling, System Analysis, Design and Development for both OLTP and Data warehousing environments.
• Expert level understanding of development life cycle using Waterfall, Test Driven Development (TDD), iterative and Agile Scrum practices.
• Developed applications following 12 factor principles and implemented design patterns.
• Exposure to SaaS, PaaS Infrastructure Application support. Support installation, configuration and customization of Middleware and associated components.
• Good experience in designing the complex applications using object oriented methodologies by creating use cases, class diagrams, interaction and sequence diagrams and recognizing design patterns.
• Experience in designing User Interface applications and web applications using HTML5, CSS3, JavaScript, jQuery, AJAX, JSP, JSON, Bootstrap and Angular JS & 2.
• Hands on experience in Angular.js, Angular 2, React.js and Node.js.
• Created UI application using Angular 4 and Typescript as POC.
• Work experience in using XML technologies like XSL/XSLT, SAX, DOM, SOAP, WSDL, DTD, SOA, JAXB, JAXP and Custom Tags.
• Proficient in implementation of frameworks like Struts, Spring MVC, Spring Security, Spring Web Flow, Spring IOC, Spring AOP, Spring Boot, Spring Batch, JSF and ORM frameworks like Hibernate.
• Extensive experience in Object-Oriented Analysis and Design (OOAD) using Unified Modeling Language (UML).
• Good knowledge of Design Patterns like Front Controller, Data Access Object, Session Facade, Service Locator, MVC, Data Transfer Object, Business Delegate and Singleton.
• Proficient with multiple packages of the Core Java API, Collections and Generics.
• Familiar with Java 8 concepts like Lambda Expressions, Functional Interfaces, Stream API, Joda.Org(Time and Date API)
• Expertise in working with Service Oriented Architecture & consuming and producing web services mainly SOAP, Restful, JAX-WS and UDDI.
• Experience in integrating Microservices Architecture with Spring Boot and Docker.
• Good Knowledge and experience in coding Java applications on both client-side and server-side using JDBC and advanced multithreading.
• Extensive experience in developing messaging module by using Spring JMS, Apache Camel, Active MQ and Rabbit MQ.
• Work experience on application servers like IBM WebSphere Application Server, Web Logic, Apache Tomcat web server and JBoss.
• Worked with cloud services like Amazon Web Service (AWS) and Google Cloud.
• Knowledge in Open shift Enterprise, Docker Images, BRMS images.
• Worked on build and deploy tools like Jenkins, Maven and Ant.
• Experienced in using Hibernate framework in interaction with the RDBMS.
• Experience in understanding and using RDBMS Relational Databases Management System like Oracle 10g/11g/12c, MySQL, SQL Server, PL/SQL and NoSQL databases like Mongo DB, Cassandra and HBase.
• Strong experience in writing complex SQL queries, Triggers and stored procedures in various databases such as Oracle, DB2 and MySQL.
• Experience in setting up Nexus Repository Manager from scratch and configuring different repositories for both ANT/Maven builds.
• Experience in performing Unit/Integration System testing using Junit, Firebug, JMeter and using Log4j to determine application functionality.
• Experienced in TEST automation using Selenium, Cucumber, Jenkins, Karma, Jasmine.
• Extensive experience in implementation of version control software CVS, SVN and GIT.
• Familiar in deploying applications using java build tools Apache Ant, Maven, Gradle and Basic knowledge in UNIX and LINUX Shell scripting.
• Experience in project and defect tracking tool such as HP - Quality Center, Rally and JIRA.
• Experience working with different phases of SDLC including Design, Implementation, development, testing and production support of software applications.
• Skilled in Software Requirement Specification Documentation and gathering all requirements related to product.
• Excellent communication, presentation and interpersonal skills.
• Self-motivated team player with good Analytical, Logical and Problem-Solving ability.

TECHNICAL SKILLS:

Programming Languages: C, C++, Java 8, SQL

Java EE Technologies: JSP, Servlets, EJB, JDBC, RMI, JNDI, JDBC, JMS, JSTL, MVC, Struts

Messaging Servers: ActiveMQ, RabbitMQ, Kafka

Message Oriented Middleware: JMS, AMQP, MSMQ

Web Technologies: JavaScript, AngularJS, Backbone JS, XML, HTML5, CSS3, XHTML, XML Schema, DHTML, JSON RPC, AJAX, jQuery, WebSocket, Angular JS & 2, XSL, XSLT, SED, DTD.

API: DOM (Data Object Model), JTA (Java Transaction API), Java Persistence API (JPA), Java Message Service.

Frameworks: Struts, Hibernate, JSF, Spring Dependency Injection, Spring MVC, Spring Security, Spring Core, Spring Context, spring AOP, Spring DAO, Spring IOC, Spring JDBC

Web/Application Servers: Oracle WebLogic Application Server, IBM WebSphere Application Server, Apache Tomcat Webserver, JBoss Application Server

Design Patterns: MVC, Front Controller, Session Façade, Singleton, Business Delegate and DAO patterns

Databases: MySQL, Oracle, MS SQL Server, DB2, Cassandra, PL/SQL, MongoDB, DynamoDB,Couchbase.

IDE Tools: Eclipse, My Eclipse, RAD, NetBeans, IntelliJ, MS Visual Studio, WebStorm,Brackets, TFS.

Web Services: SOAP, Restful, JAX-B, JAX-RS, WSDL, AWS, Apache Axis, XML, XHTML, XSLT and JAX-WS

Operating Services: Windows 7/8/10, Linux, Solaris 11, AIX(UNIX) 7.1, MacOS.

Source Control Tools: CVS, SVN, VSS, Rational Clear Case, Source Tree, Stash-Git

Testing: Junit, TestNG, Jasmine, Selenium, Mockito, Power Mockito, Cucumber

Build and Performance Managing Tools: Ant, Maven, Gradle, Jenkins, JIRA

PROFESSIONAL EXPERIENCE:

Java Full-Stack Developer

Confidential - Chicago, IL

Responsibilities:

• Worked as Full Stack Java Developer in Struts to Spring migration project (Web based Application).
• Wrote application front end with HTML, JSP, Ajax, jQuery, Spring Web Flow, XHTML, DHTML and CSS.
• The application flow is designed and developed using JDBC, HTML, CSS and JavaScript.
• JSP Content is configured in XML Files.
• Expertise in converting XSL to JSP’s and implemented Tiles configuration.
• Used JavaScript and jQuery for user interactions in pages.
• Designed and developed Application based on JDBC framework using MVC design patterns.
• Good experience in developing Applications using Spring MVC framework implementing Controllers, Spring Forms, Spring Validation Framework and Spring Tag Libraries.
• Designed and developed various modules of the application with J2EE design architecture, Spring MVC architecture and Spring Boot.
• Used Spring Boot with Spring Security for all types of authentication.
• Implemented WASAPI technique to reduce the threat of software vulnerabilities with cross-site, cross site request forgery, click jacking.
• Created View in the ClearCase Team Explorer and installed the existing application in local through project VOBs.
• Migrated the existing code of NRS from ClearCase to Git.
• Used GitHub private online repositories to store project references.
• Developed build Scripts using Maven to build and deploy the application.
• Used Jenkins for continuous integration. Used it for automatic deployment of code into server and also to run all the test before generating war file. Also, to send automatic mails to the users if the job fails.
• Created different jobs to deploy artifacts to Nexus Repository Manager.
• Deployed the web components into Apache Tomcat application server.
• Refactored the existing NRS application for java 1.3 to java 1.8 as per java standards.
• The user authentication is processed by using LDAP and the authentication through an internal (NRS) process.
• Developed the security layer with OKTA integration.
• Implemented Contrast security to automatically detect and fix the vulnerabilities.
• Added the SonarLint plugin in Spring Tool Suite to fix code quality issues.
• Used TOAD as database management tool and connected to the Oracle.
• Involved in implementation and unit testing of the application.
• Worked on setting up the Junit framework for unit testing and code coverage using the Mockito.
• Code Reviews, customization and maintenance of code across applications.

Environment: HTML5, CSS3, JSP, JSTL, jQuery, XHTML, DHTML, XML, XSL, JDBC, Spring MVC, Spring Boot, Spring Security, Spring Forms, RAD, Clear Case Team Explorer, Spring Tool Suite, Service Now, Cisco Jabber, WebEx, Git, Maven, Jenkins, Nexus, Apache Tomcat, LDAP, OKTA, Contrast Security, SonarLint, Mockito framework (JUNIT), Tiles, Spring Tool Suite, TOAD, Oracle, Junit, Mockito, JIRA.

Java Full-Stack Developer:

Confidential - Loveland, OH

Responsibilities:

• Worked in an Agile- Scrum development methodology to ensure delivery of high quality work with monthly iteration, also involved in sprint planning and retrospectives.
• Implemented Service Oriented Architecture (SOA) by developing web services using SOAP, XML and WSDL.
• Developing the application by implementing MVC Architecture integrating Spring frameworks.
• Developed single page applications using Angular JS, Typescript, HTML5, CSS3, React.js, Node.js and Bootstrap.
• Used Bootstrap components to develop Responsive web design and user facing features using React JS in view layer.
• Used React JS for the use of metrics and end-end events tracing for the analysis purpose.
• Extensively worked on the JavaScript application to print the pages which is used to show the reports updated. Worked on the existing application which is in JavaScript to help resolve the bugs and on the new requirements
• Created reusable templates using Angular directives and worked with NPM package manager tools (Node JS).
• Implemented Spring AOP in exception handling, which reduces the development time to handle the exceptions.
• Designed the entire application to support Test Driven Development(TDD) by making use of Dependency Injection through unity framework and developed a generic repository.
• Used Spring Repository to load data from MongoDB database to implement DAO layer.
• Developed restful resources using spring and Jersey to serve the web application data in JSON format and used Apache Camel for messaging routing.
• Created Typescript reusable components and services to consume REST API's using Component-based architecture provided by Angular 2.
• Used Spring ORM module for integration with Hibernate for persistence layer.
• Used Hibernate Object Relational Mapping (ORM) features for creating the entity domain objects and base hibernate support features for creating data access layer objects.
• Utilized MongoDB, to build NoSQL schema's and performed CRUD operations as per the requirements.
• Designed and implemented the MongoDB schema and wrote services to store and retrieve user data from the MongoDB for the application on devices.
• Upgraded Java 8 version into server and used Lambda expressions, Joda.org(Time/Date), Stream API in Drools to deploy KIE sessions into Open shift enterprise and integrated with eclipse.
• Used Kafka to implement message retry mechanism in the event of any failure of systems and enhanced the listeners for RabbitMQ and Apache Kafka.
• Created Instances and virtual private cloud using EC2 and VPC API in AWS.
• Created environment for Microservice architecture (MSA) and deployed into AWS using Open Shift Environment (OSE) as Docker Images.
• Integrated Spring Boot with Microservices architecture and deployed it into AWS using Dockers.
• Configured JBOSS as HTTPS server to make all application HTTPS compliant.
• Used Google's guava API for generating checksum and this checksum used to verify the integrity of the document transferred by the consumer.
• Implementation of Git-SVN for migrating SVN repository with Git and Integration with Jenkins for Continuous Integration (CI) with adherence to Agile Process.
• Used GitHub version controlling tools (CI/CD) to maintain project versions supported the application through debugging, fixing and maintenance releases.
• Involved in doing code reviews using STASH.
• Installed and used PUTTY to create Secure Socket Shell (SSH) Encryption to access my remote files in the server.
• Implemented and deployed application to target environments using Maven.
• Designed code for AOP (Aspect Oriented Programming) to put Logging by using Log4j.
• Tested the application using Karma with Mocha and mocked the application using Mockito and Power Mockito.
• Analyzed the modules and performed Unit testing and provided fix for the identified issues.
• Participated in preparing technical documents which includes logical flow of the code and UML diagrams user’s manual for the application.

Environment: Agile, Scrum, SOA, Java 8, UML, HTML5, CSS3, Node.js, Bootstrap, JavaScript, Angular2, React JS, XML, jQuery, Spring, Apache Camel, Kafka, Spring AOP, Spring ORM, Spring Boot, Microservices, Docker, TDD, SOAP, JAX-B, WebSocket, WLST, WSDL, REST, JAX-RS, JBOSS, AWS, Jenkins, Maven, Log4j, Mockito, Power Mockito, NoSQL, MongoDB, JIRA, STASH, SVN, Guava, GIT, JUnit.

Java /J2EE Developer:

Confidential - Hoffman Estates, IL

Responsibilities:

• Followed Agile methodology during development of the project and oversaw the software development in Sprints by attending daily stand-ups.
• Implemented J2EE design patterns and core design patterns - DAO, DTO, Business Delegate, Page Iterator and Controller and MVC patterns.
• Contributed to Java web application design and development using Spring, Hibernate, HTML5, CSS, Bootstrap, AJAX, JavaScript and jQuery.
• Enhanced an existing Angular JS application to follow MVC patterns for improving source code maintenance which results in significant percentage of code reduction, ease of upgrade and scalability.
• Experience on creating new React/React-Native components, containers, services, and APIs for maintaining the prototypes.
• Involved in using React JS components, Forms, Events, Keys, Router, Animations and Flux concept.
• Worked with XML to exchanges messages through JMS among servers to retrieve information about customer details.
• Designed the Architecture of the project as per Spring MVC Framework and worked with Data tables & High Charts modules to create data tables and charts populated with dynamic JSON data coming through API Endpoints.
• Used Spring Core Annotations for Dependency Injection Spring DI and Spring MVC for REST APIs, Spring Boot for micro-services and Spring Batch for running batch jobs.
• Spring ORM wiring with Hibernate provided access to Oracle RDBMS.
• Modified web.xml and inject Spring Security to ensure back-end security and enhanced do Post method in servlet to avoid multiple submissions.
• Used SOAP protocol, JAX-WS and Apache CXF in development of web services.
• Consumed SOAP services and parses XML to Java Objects.
• Developed RESTful API's, which takes in an HTTP request and produces the HTTP response in JSON Format using play.
• Integrated configured Camel with ActiveMQ to use it as bus.
• Used Hibernate object relational mapping on the database schema.
• Interaction with Oracle database is implemented using Hibernate.
• Installed and configured Oracle RDBMS on Windows environments.
• Automation done using Google Cloud API and Fastlane automation tools (Spaceship Library) through JRuby for sears store.
• Deployed web and enterprise applications on JBoss application server
• Used GitHub for version control and configured Hudson for dependencies and Log4J for logging.
• Used Git with Stash for code repositories.
• Used Hudson for continuous integration (CI) and deployment into JBoss server.
• Used JUnit as a part of unit testing for all the web services produced.

Environment: Agile, Java/J2EE, UML, Rational Rose, MVC, HTML5, CSS3, Bootstrap, jQuery, JavaScript, AngularJS, React JS, XML, JSON, JMS, Spring Security, Spring MVC, Spring AOP, Spring DI, Spring Boot, JSON, SOAP, JAX-WS, Apache CXF, XML, REST, Hibernate, Http, JBOSS, Hudson, Google Cloud Platform (GCP), CI, Log4j, Git, Oracle 11g/12c, JUnit, GIT, Stash, Apache Camel, Active MQ, Kafka, EMS, Linux, Grunt, Drools.

Java/J2EE Developer:

Confidential - Chicago, IL

Responsibilities:

• Involved in analysis, design and development and testing phases of the application development using Scrum Agile methodology.
• Designed, developed and deployed various data gathering forms using HTML, CSS, Bootstrap, AngularJS, JSP and Servlets.
• Designed Front-end components with React JS and Redux to handle dynamic data.
• Created dynamic web pages using AngularJS framework. Worked on two-way, one-way data binding, built-in components and developed single page applications using Angular JS.
• Good knowledge on using Angular APIs like @angular/http For making HTTP requests, @angular/common Common-core things including form validation, @angular/router Routing for our entire app .
• Integrated Spring (Dependency Injection) among different layers of an application.
• Implemented various design patterns like MVC, Factory, Singleton.
• Involved in the application development using Spring Core, Spring JEE, Spring Aspect modules and Java web-based technology Web Services (REST/SOA).
• Designed the data layer using a combination of SOAP, Restful web services and occasionally Hibernate ORM.
• Experience in using persistence API to do the Object Mapping.
• Used Hibernate as the system layer to talk to the database and perform CURD operations.
• Used JDBC and Hibernate API's to access remote oracle databases.
• Developed server-side services using Java multithreading (Core Java).
• Involved in developing Classes diagram in UML showing generalization and other relationships, Sequence diagram describing the interaction of objects over time.
• Created and implemented SQL stored procedures and triggers.
• Used Log4J to monitor the Error Logs and used Maven to build the application.

Environment: Agile, Java/J2EE, UML, MVC, HTML, CSS, Bootstrap, Angular JS, JSP, React JS, Redux, Spring, Spring Core, Spring JEE, SOA, SOAP, REST, ORM, Hibernate, SQL, Log4J, Maven, TDD, JAX-B, WLST, WSDL, JAX-RS, JBOSS, Mockito, Oracle, JIRA, JUnit.

Java Developer

Confidential

Responsibilities:

• Implemented design patterns like MVC, Singleton.
• Configured controllers using Struts Framework.
• Server-side validations in the UI are achieved using Struts Validation.
• Developed the web interface using MVC design pattern with Struts framework.
• Responsible in transforming the wireframes and mockups to develop web pages.
• Used NPM and Bower package managers to install and manage all the required packages., made use of Gulp task runner to compile sass files to CSS minify files, compress images etc.
• Developed the action and action form classes, based on the Struts framework, to handle the pages.
• Created tile definitions, Struts- config files and resource bundles using Struts framework.
• Implemented Action classes using Struts framework.
• Created use case diagrams, class diagrams, sequence diagrams, and object diagrams using UML and Rational Rose.
• Worked with OOPS concepts and memory concepts like string pool.
• Used multithreading in programming to improve overall performance.
• Used SVN for version controlling.
• Used HQL (Hibernate Query Language) to write static and complex queries while communicating with Oracle database.
• Integrating the newly written code with the existing application and performing integration and complete functionality.
• Extensively worked on the JavaScript application to print the pages which is used to show the reports updated. Worked on the existing application which is in JavaScript to help resolve the bugs and on the new requirements.
• Involved in sprint planning, code review, and daily standup meetings to discuss the progress of the application.

Environment: Java/J2EE, HTML, CSS, JSP, JavaScript, jQuery, UML, Rational Rose, Oracle, SVN, HQL, JUnit, Struts, Hibernate, XML/XSD, Tomcat, JPA, JAXB, AJAX. UML, Rational Rose.

UI Developer

Confidential

Responsibilities:

• Implementation of Web Design based on CSS3, HTML5, Front-End Framework.
• Developed UI pages using HTML, XML, DHTML, XSL/XSLT, XHTML, DOM, CSS3, JSON, JavaScript, jQuery, Ajax.
• Implemented applications in JavaScript and MySQL.
• Developed both Session and Entity beans representing different types of business logic abstractions.
• Collaborate with other scrum teams to understand the dependency.
• Understanding the User Story and wireframes to estimate the story point during sprint planning.
• Discussed with database team to understand the database architecture to design the forms and fields.
• Handled all the client-side validations, dropdown menu population and tab navigation using jQuery.
• Interacted with middle layer team to integrate UI layer with web services read data for performing functionality.
• Applied jQuery scripts for basic animation and end user screen customization purposes.
• Wrote stored procedures, views, cursors and triggers using MYSQL.
• Implemented Design Patterns, Database Design, Normalization, Stored Procedures in MS SQL Server and involved in all stages of system development life cycle.
• Used Eclipse for writing code for HTML Java, Servlets, JSP and JavaScript.
• Completed all my assigned user stories within the sprint and helped team members to complete their stories.
• Performed client-side validations using JavaScript.
• Analyzed the modules and performed Unit testing and provided fix for the identified issues.

Environment: HTML, CSS, JavaScript (Libraries: J Query), MS Access, Adobe Flash, ECMA Script, MS Office, IE, Firefox, Chrome, Office 365 integration, MS SQL, Eclipse, WebLogic Application Server.