PROFESSIONAL SUMMARY:

• Having 9+ years of extensive IT experience in all phases of Software Development Life Cycle (SDLC) which includes development, design, analysis, testing and Integration of various web based and client/serverapplications in multi - platform environments with Java/J2EE technologies.
• Experience in developing applications using SDLC methodologies like Waterfall, RUP, Agile (TDD, SCRUM) and Test-Driven Development.
• Expertise in developing web pages using HTML5, CSS3, Bootstrap, JavaScript, jQuery, AJAX, Angular JS, Angular 2 andhave knowledge onServer scripting language like Node JS.
• Expert in Core Java and implementing concepts like Multithreading, Concurrency, Exception Handling, File handling, IO, Generics and Java collections in various projects.
• Developed the application using Java 1.8 and implemented its features like lambdas Expressions, Time API, Streams, functional interfaces, collectors, default methods, type interfaces, for each.
• Developed Service Oriented Architecture (SOA) and Micro Service Architecture based J2EE applications.
• Managed Amazon Web Services like EC2, S3 bucket, Elastic search, Virtual Private Cloud (VPC) through AWS Console and API Integration.
• Expertise in implementing Design patterns like Singleton, Prototype, and DAO pattern.
• Experienced in developing web-based applications using Java/J2EE, Servlets, Struts (Struts, Tag Libraries and Struts custom validation rules, Tiles ), Spring IOC, Spring MVC, Spring AOP, Spring Security, Spring Boot, Spring Web Flow, Spring Data, JDBC, Web Services (SOAP & Restful services)and ORM frameworks like Hibernate.
• Excellent in developing REST and SOAP based Web Services using JAX-RS, JAX-WS, WSDL, JAX-B, Apache Axis, Apache CXF and Jersey frameworks.
• Experienced in implementation of JMS to exchange information over reliable channel in an asynchronous way by using ActiveMQ, RabbitMQ, as message queue.
• Experience using Hibernate for mapping Java Classes with database and using Criteria API and Hibernate Query Language (HQL).
• Hands-on experience working with Continuous Integration (CI) build-automation tools such as Maven, Jenkins and Apache Ant
• Sound knowledge in working with browsers compatibility issues with browsers like IE, Firefox, safari, Opera, Chrome
• Experience in using various configuration management tools like Visual Source Safe, IBM Clear Case, SVN and CVS
• Good knowledge and hands on experience in working with Selenium, UML, JUnit and TDD
• Extensively worked on Pivotal Tracker and JIRA tools for tracking stories in a Project
• Good experience in developing applications using Agile (XP and Scrum) and Waterfall methodology

TECHNICAL SKILLS:

Languages:: Java (1.5-1.8), SQL, PL/SQL, C.

Enterprise Java: JSP, Servlet, JNDI, JMS, EJB, JDBC, Log4J API, JAVA Security.

Markup/XML Technologies: HTML5, CSS3, JavaScript, JQuery, AJAX, AngularJS, NodeJS, Bootstrap, XML, XSD, XSL/XSLT, SAX/DOM, JSON.

Frameworks: Struts, Hibernate, Spring MVC, Spring Web Flow, Spring Core, Spring AOP, Spring Security, spring boot, Spring Cloud, JSF.

Application Building Tool: Maven, Ant.

Web services: SOAP, RESTful, UDDI, WSDL, JAX-RPC, JAX-RS, JAX-WS, JAXB, Axis2, CFX.

Web/App Servers: IBM Web Sphere, Apache Tomcat, JBoss, Web Logic Server.

Database: Oracle, SQL Server, DB2, MongoDB.

IDEs: Eclipse, RAD, Spring Tool Suite, IntelliJ.

OR mapping: Hibernate, IBatis, JPA.

Modeling/ CASE Tools: Rational Rose, Star UML, MS Vision.

Testing Tools/ Others: JUnit, Putty, Rational Clear Quest, SoapUI.

Version Control: SVN, CVS, Rational Clear case, Git

OS & Environment: Windows, UNIX, Linux

Cloud Technologies: AWS (EC2) and Pivotal Cloud Foundry.

PROFESSIONAL EXPERIENCE:

Confidential, Charlotte, NC

Sr. Java Full Stack Developer

Responsibilities:

• Interacted with Business users and Business Analyst to gather requirements.
• Involved in the analysis & design of the application.
• Extensive use of Angular JS, HTML, JSTL, JSP and JQuery for the presentation layer along with Java script for client-side validation.
• Developed Micro service architecture application using MERN stack (Mongo DB, Express JS, React JS, and Node JS).
• Designed and developed custom message adapter components using Apache Kafka that allowed message to travel through Micro services to base on RESTful API utilizing Spring Boot with Spring MVC.
• Developed Custom Tag Libraries for the use in web pages by using JSTL packages for the development of the Web Pages.
• Worked on highly advanced user interface design and development using Angular2, Node JS, ES6, HTML, CSS and Bootstrap
• Designed and created Micro services business segments and RESTful administration endpoints utilizing Spring Boot.
• Created cloud formation templates in setting up DEV, QA and UAT environments using AWS Cloud formation and leveraged Elastic container services to run Docker micro services in AWS.
• Used Maven for dependencies and configuration management.
• Designed and developed custom message adapter components using Apache Kafka that allowed message to travel through Micro services to base on RESTful API utilizing Spring Boot with Spring MVC.
• Experience using AWS for hosting virtual instances and handling scalability
• Prepare and execute AWS Cloud Formation JSON template to provision infrastructure on AWS Cloud for pre-prod and prod environments
• Involved in working with Eclipse Environment. Unit tested application using JUnit, Log4j for logging and debugging and built the package-using Maven and deployed the application on to the WebSphere Application server.
• Used Angular.js and NodeJs to create Views to hook up models to the DOM and synchronize data to from server.
• Used GIT for version control.
• Involved in writing the business logic code of the application, usually involving database access that implements individual EJB'S.
• Exposure with Node JS, React JS for component loads events triggered as a developer so we can use them for the components.
• Used MVC as an interface layer for management of user interactions within the application and presentation of data controls and operational results.
• Interface MVC coding is completed using My Faces JSF and additional view component libraries, including AJAX-capable components/API's within the Ice Faces JSF framework/library.
• Used LDAP for authentication purpose and dom4j for XML parsing.
• Involved in using JMS for interposes messaging.
• Import and export of records into Maximo tool was achieved.

Environment: Java 1.7, IBM Web Sphere 8.1.7, ORM, Oracle 10g, Hibernate 3.0, JSP, Servlets, JavaScript, Maven 3.3.3, Design Patterns, HTTP, HTML5, CSS3, XML, XHTML, SQL, Angular js, JDBC, JNDI, JUnit, GIT, Log4J, Agile methodology, shell scripting, EJB 3.0, JMS, LDAP, AJAX, ICEFACES 4.0.0, JSF 2.2, MVC, dom4j 1.6.1, JQuery, Apache Tomcat 8.0, MAXIMO 7.0.

Confidential, Dallas, TX

Full Stack Developer

Responsibilities:

• Involved in analysis, specification, design, and implementation and testing phases of Software Development Life Cycle (SDLC) and used agile methodology (SCRUM) for developing application.
• Developed and designed web pages using with HTML5, CSS3, JavaScript based on the w3 standards.
• Used AngularJS to create Single Page Applications (SPA) which can bind data to specific views and synchronize data with server.
• Used JavaScript , Angular JS and AJAX technologies for front end user input validations and Restful web service calls.
• Used Apache POI for uploading Excel files and optimized the load time by extensively leveraging Java8 lambda expressions, streams and parallel streams.
• Worked on designing specific programs efficiently through knowledge of multithreading using the API with the goal of increasing performance on a wide variety of applications.
• Extensively used Spring MVC for forms, error handling, writing REST controllers and integrating with Spring Security and Spring ORM for persistence.
• Used Spring Data Framework to use the features of Spring JDBC and Spring ORM classes like JDBC Template to perform the database operations by connecting to Data sources available.
• Designed and developed micro services business componentsusing Spring Boot .
• Refactored existing monolithic application by identifying components that needs to be transformed to Micro- services architecture, with Spring Boot -based services interacting through a combination of REST and AWS API-Gateway .
• Used the Spring IOC feature to get Hibernate session factory and resolve other bean dependencies also used Spring framework AOP features and JDBC module to persist the data to the database for this application.
• Used Hibernate framework for back end development and Spring dependency injection for middle layer development.
• Worked to secure our RESTful web services using OAuth 2.0 with spring security to authenticate any third-party requests coming in.
• Created tables, triggers, stored procedures, SQL queries, joins, integrity constraints and views for multiple databases, Oracle using Toad tool.
• Built NoSQL schemas to store document and maintaining sessions in MongoDB.
• Worked on MongoDB database concepts such as locking, transactions, indexes, Sharding, replication, schema design, etc.
• Performed Web services testing between and third-party applications using Soap UI and performance functional testing of REST APIs using JMeter.
• Used Docker for creating Docker images for launching containers on AWS EC2.
• Authored application using Spring Cloud services (spring cloud version of Netflix OSS-Eureka ).
• Implemented Netflix-Eureka from Spring Cloud for dynamic MicroServices registry and discovery.
• Used AWS SDK for connection to Amazon S3 buckets and EC2 to deploy Docker container with Micro Services architecture.
• Worked with WebLogic application server that handles various requests from Client.
• Setup the continuous Integration (CI) process for the application using the Jenkins.
• Worked on Log4J to validate functionalities and JUnit for unit testing.
• Involved in issue tracking and agile project management using JIRA .
• Used Git to maintain the version of the files and took the responsibility to do the code merges and creating new branch and fork when new feature implementation starts.
• Focused on Test Driven Development thereby creating detailed JUnit tests for every single piece of functionality before writing the functionality.

Environment: Java 1.8,Agile, Scrum, Java8, HTML, CSS, JavaScript, AngularJS, Microservices, Spring boot, Spring Cloud, Netflix OSS Stack- (Eureka), AWS (Amazon web services) including EC2, S3, AWS API-Gateway, spring MVC, Spring JDBC, Spring ORM, OAuth 2.0, RESTful, AWS Elastic Map Reduce, Web Logic, Soap UI JMeter, Gradle, Git, STS.

Confidential, Buffalo Grove, IL

Full Stack Java Developer

Responsibilities:

• Worked as per Agile Methodology (Scrum) to meet customer expectation, timelines with quality deliverables.
• Responsible for creating efficient design and developing user interaction screens using HTML5, CSS3, JavaScript, JQuery, Ajax for service calls on pages to interact with the server.
• Developed static web pages using HTML5, CSS and client-side validations using JavaScript.
• Implemented different validation control on the webpages using AngularJS and developing a cross-platform JavaScript based solution using Angular JS .
• Involved in building a high efficiency Dynamic single and multiple Web Application Using Bootstrap.
• Involved in research, implementation and review of JQuery and JavaScript functions to use plugins for representing data in graphs.
• Connected to Data sources and performed operations using Spring Data Framework features like Spring JDBC and Spring ORM.
• Implemented logging and transaction manager using Spring AOP concept.
• Worked extensively on Spring boot for building web service.
• Secured the API's by implementing Oauth2 token based authentication/authorization scheme using spring security.
• Developed the persistence layer using Hibernate Framework, created the POJO objects and mapped using Hibernate annotations.
• Written SQL Queries and storedprocedures to interact with Oracle DB.
• Consumed REST based micro services with Rest template based on RESTful APIs.
• Analyze business requirements and develop various business delegates to integrate with Middleware services like JAX-WS using SOAP and REST.
• Developed Data Services using XML messages that use REST web services, Created REST envelope .
• Used JAXB to read the xml file and then created instances of a generated classes.
• Used XSLT to change the Data formats into XML to XML and XML to PDF formats.
• Worked with RabbitMQ for messaging with social application in the bank monitored it.
• Used JIRA tool for Issue/bug tracking, monitoring of work assignment in the system.
• Re-design and implement CI build system using Jenkins.
• Worked with executed unit test cases by using JUNIT for accuracy of code and logging with log4j.
• Developed Maven scripts to build and deploy the application in the WebSphere Application Server.
• Log4J was used to monitor the error logs and used GIT as version control tool.

Environment: Java, HTML5, CSS3, JavaScript, JQuery, AngularJS, Bootstrap, Spring MVC, Spring Boot, Spring Security, OAUTH2, Spring ORM, Hibernate, Microservices, SOAP, RESTful, Eclipse, Mockito, Jenkins, JMS, JSP, XSLT, XML, Unix Shell Scripts, SQL, RabbitMQ, WebSphere, Maven, Log4j, JUnit, JIRA, GIT, Agile.

Confidential, Minneapolis, MN

Java/J2EE Consultant

Responsibilities:

• Involved in all phases of the Software development life cycle (SDLC) using Agile Methodology.
• Involved in the development of the User Interfaces using HTML, JSP, JS, CSS and AJAX.
• Developed user interface using JSP, JSP Tag libraries, third party libraries and Java Script to simplify the complexities of the application.
• Used AJAX API for intensive user operations and client-side validations.
• Developed the application using Spring MVC Framework.
• Inserted Dependency Injection between components using Spring (IOC) concept.
• Involved in writing Spring Configuration XML file that contains declarations and another dependent objects declaration.
• Implemented Asynchronous messaging between components using JMS.
• Designed and developed Hibernate DAO’s using spring framework’s Hibernate Dao Support and Hibernate Template.
• Used multithreading in programming to improve overall performance using Singleton design pattern in Hibernate Utility class.
• Wrote Stored Procedures and complicated queries for IBM DB2.
• Involves in the design and development of Restful Webservices using Apache CXF.
• Worked on UNIX environment for development.
• Unix Shell Scripting was used for scheduling batch jobs. The system was used to run batch processes and reports that utilized PL/SQL and Oracle reports.
• Developed back-end PL/SQL packages, building UNIX shell scripts for data migration & batch processing.
• Implemented SOA architecture with Web Services using SOAP, WSDL, UDDI and XML using CXF framework tool/Apache Commons. Worked on parsing the XML files using DOM/SAX parsers.
• Involved in creating various Data Access Objects (DAO) for addition, modification and deletion of records using various specification files.
• Wrote client side validations for DOJO and XML files which checks for the valid values for the different events that are being logged.
• Working with Pivotal cloud foundry to deploy and run the applications through Jenkins.
• Designing and developed a data migration strategy and source to Confidential mapping to migrate the data out of the legacy systems into the Cassandra Customer DB.
• Worked with RabbitMQ and AMQP Java APIs for Queues to build the application as SOA platform.
• Involved in Unit Testing of various modules by generating the Test Cases.
• Performed deployment of applications on IBM WebSphere Application Server.
• Involved in Bug fixing of various modules that were raised by the testing teams in the application during the Integration testing phase.
• Developed Ant Scripts for the build process and deployed in IBM WebSphere.
• Implemented Log4J for Logging Errors, debugging and tracking using logger’s components.
• Used Rational Clear Case for version control and Clear Quest for bug tracking.

Environment: Java, J2EE, XMI, HTML, CSS, JQuery, JavaScript, Ajax, AngularJS, JSP, Hibernate, HQL, SQL, PL/SQL, Spring, Spring MVC, Oracle, Restful, JAX-RS, XMI, Log4j, SOA, Cassandra, RabbitMQ, Subversion(SVN), WebSphere, STS, Application Server, Maven, IntelliJ, ANT, UML,JNDI, Pivotal cloud foundry, RMI, JIRA, UNIX.

Confidential, Broomfield, CO

Java/J2EE Developer

Responsibilities:

• Designed use case diagrams, data flow diagrams, component diagram, class diagram, and sequence diagram for the given requirement.
• Involved in the review meetings of the design architecture for the new requirement and enhancement, given review comments for the designs.
• Implemented GUI using HTML, JSP, CSS, AJAX, Struts and Portal Pages.
• Developed the application using JSP for the presentation layer along with JavaScript for the client-side validations.
• Used AJAX to dynamically load a portion of the page when it was not needed for reloading the entire page.
• Using RIDC Interface get content details and Created Content through application.
• Worked to maintain loose coupling between layers published the business layer as services and injected the necessary dependent components using Spring IOC and published cross cutting concerns like Logging, User Interface exceptions, Transactions using Spring AOP.
• Developed custom Skeleton, custom Skin and custom Layouts.
• Implemented custom LAF files applied to portal.
• Design & Development of page flows, Web logic Workshop.
• To display and process the information designed JSP pages using JSR-168.
• Developed and implemented Content Publish using Site Studio, Content Publisher.
• Using RIDC Interface get content details and Create Content through application.
• Implemented SpringIOC Setter Method Injection and writing Spring Configuration XML file that contains declarations and another dependent objects declaration.
• Implemented business class logic using Factory pattern.
• Implemented DAO layer to access hibernate session factory using spring hibernate template, Hibernate Search Quires and written search, persistence, deletion for the persistence objects.
• Developed Web Services client and Service used SOAP Protocol for sending request and get response.
• Created JUnit test cases for unit testing and implemented application logging feature using log4J.
• Used Rational Clear Case for version control and Clear Quest for bug tracking.

Environment: Java/J2EE, HTML, CSS, Ajax, JavaScript, JSP, JSTL, Spring 2.5, Struts 2.0, Hibernate 3.2, JDBC, JNDI, Factory pattern, Web logic workshop, XML, XSLT, UDDI, WSDL, Log4J, ORACLE 11g, UCM, SVN, LDAP, Windows XP, UNIX, UML, Rational Clear Case, Clear Quest, Apache Tomcat, Web logic Server 10.3.

Confidential, Clarks Summit, PA

Java Developer

Responsibilities:

• Involved in development and implementation phases of the application in SDLC.
• Followed AGILE Methodology to promote iterations, collaboration, and process adaptability and participated in SCRUM Meetings throughout the life cycle of project.
• Used Spring Framework for dependency injection for Action classes using Application Context XML file using MVC design patterns.
• Used Spring Front Controller class to map all the client requests to it and navigated to Business Controller classes accordingly.
• Utilized the Spring AOP feature for implanting crosscutting concerns like logging and Transaction Management and separated the business logic from System Services.
• Used Spring Validations Framework for validating the properties of java beans.
• Used Spring 3.1 Framework for Dependency injection, Spring Web Services framework.
• Prepared calls through Hibernate and Spring JDBC for Interacting with the Database.
• Used Java API and converted Java Objects to XML conversions using XML Web Services (JAX-WS).
• Developed web Services for sending and extracting data from different applications using SOAP messages.
• Implemented Log4J framework and customized to meet the application requirements.
• Wrote ANT scripts for building application artifacts, clean-up jobs and system components during system testing, integration testing and production environment.
• Involved in writing complex queries in business logic layer and worked on creating the setups for Organization Templates, Concurrent Requests, Cross Types, User Creations, Assigning responsibilities in Oracle Applications.
• Used FireBug to keep a track of bugs and CVS as version control manager.
• Deployed the application in JBoss Application Server after test QA team.

Environment: Java, Jdk1.6, JavaScript, AJAX, Spring, Spring AOP, Spring Security, XML, JSP, Spring MVC, Hibernate, SOAP, WSDL, Oracle, TDD, Log4J, JUnit, ANT, WebSphere, JBoss, CVS, FireBug, Agile Methodology.

Confidential, Wayne, PA

Java Developer

Responsibilities:

• Involved in understanding and analyzing the requirements of the project.
• Followed Waterfall Methodology to implement the features.
• Used Java Jdk1.5 features to implement the functionalities.
• Designed and developed the User Interface using HTML, JavaScript, AJAX and CSS.
• Implemented Struts MVC design pattern and front controller pattern.
• Developed Action Class components for performing business process execution and involved in configuration of struts configuration specific xml file.
• Developed SCM by using the JSP/HTML like one form for each functionality user interface, standard validations using the JavaScript.
• Developed Core Java components to develop the transaction report. Stored the dynamic data on to Collection Objects and used the predefined methods to perform all DB related operations efficiently.
• Created and handled Custom-Exceptions that are related to business operations. Created child Threads to improve the performance by running some independent tasks at background.
• Developed Server-Side components for the business services for creating Items, BOM, Sourcing Rules, and substitute.
• Used Log4j for logging purposes during the development of the application.
• Used JDBC to interact with the underlying MySQL Database.
• Extensively worked on SQL for writing complex queries in the business logic layer.
• Deployed Applications on Apache Tomcat Server and used CVS as the version control manager.
• Used Mantis for tracking the issues and for enhancements of any features.
• Used Eclipse IDE to integrate the different frameworks in order to build the overall application.

Environment: Java, JDBC, Jdk 1.5, Servlets, Struts, JSP, Hibernate, Java Mail API, AJAX, HTML, XML, ANT, Log4J, CVS, RAD, Putty, MySQL, mantis, Apache Tomcat, Eclipse IDE, Waterfall Methodology.