SUMMARY:

• Having 10+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/server applications in multi - platform environments with Java/J2EE technologies.
• Experience in developing applications using SDLC methodologies like Waterfall, Kanban, Agile (TDD, SCRUM) and Test-Driven Development.
• Expertise in developing web pages using HTML5, CSS3, Bootstrap, JavaScript, jQuery, AJAX, Angular JS, Angular 2, Angular 4, Angular 5, Type Script. Having Knowledge on developing I/O intensive web-applications using Node JS.
• Experienced in developing data-driven applications and working in test-driven environments using Core JAVA (JSE) and J2EE technologies.
• Experienced with J2SE Technologies like API, Threads, Collections, and Exception Handling, J2EE Technologies like Servlet, Listener, Filter, JSP, Java Security API and JSTL.
• Expertise in Core Java and implementing concepts like Multithreading, Concurrency, 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, Auto-Scaling, Dynamo DB, 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, iBATIS.
• Expertise working with frameworks like Spring Core (DI (IOC)), Spring MVC, Spring Data (Spring JDBC, Spring ORM), Spring Boot, Spring Batch, Spring Security, Struts, JSF, Hibernate and iBatis.
• Web services like SOA Architecture based SOAP (WSDL Component) and REST working with data-exchange formats like PLAIN TEXT, XML and JSON formats.
• Experienced with Synchronous web services like JAX-RPC, JAX-RS, JAX-WS and Asynchronous web services like JAX-M and JMS.
• Used JMS to send and receive messages from the MQ and differentiated messages using Apache Camel.
• Experience using Hibernate for mapping Java Classes with database and using Criteria API and Hibernate QueryLanguage (HQL).
• Also created yml files for using a swagger API within UI.
• Involved in designing and developing the web pages using like HTML 5, CSS, JavaScript, JSP Taglib, JSTL, AJAX, JQuery, Bootstrap and Angular JS.
• Working experience of Relational DBMS like MySQL, Oracle SQL (PL/SQL), SQL Server (MS SQL), DB2 and NoSQL DB like MongoDB.
• Working experience of application servers like WebLogic, WebSphere, JBoss and ApacheTomcat.
• Experience with containerization and clustering technologies like Docker, and Kubernetes.
• Expert in various technologies like EJB, JPA, JDBC, JMS, Log4J, and JUnit.
• Having experience with Cloud Computing Service environments like Amazon Web services (AWS).
• Comfortable working with Windows and Linux based environments.
• Hands-on experience working with Continuous Integration (CI) build-automation tools such as Maven, SVN, CVS, Jenkins and Apache Ant.
• Advanced development experience with latest JavaScript frameworks like React JS, Angular2, AngularJS 1.x , Backbone.js, Node.js, Require.js, D3.js, ES5 and ES6 .
• 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, JUnit testing tools.
• Expertise working in tracking bugs and issues using JIRA.
• Excellent communication, interpersonal, analytical and prioritization skills.

TECHNICAL SKILLS:

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

Enterprise Java: JSP, Servlet, JSTL, Exceptions, Threads, Collection, Jms, EJB, JDBC, Log4J API, JAVA Security

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

Frameworks: Struts, Hibernate, JSF, JPA, iBatis, Spring Core(IOC), Spring Security, Java Security, spring boot, Spring Cloud, Spring MVC, Spring AOP, Spring Data, Spring Boot, Spring Batch, Spring Security, Spring Integration, JSF, JMS, Apache Camel, OAuth.

Application Building Tool: Maven, Ant

SOAP, RESTFUL, WSDL, JAXRPC, JAX: RS JAX-WS, JAX-B, MQ, AWS, Micro Services.

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

Oracle, SQL: Server, MySQL, NoSQL MongoDB

IDEs: Eclipse, Spring Tool Suite, IntelliJ

OR mapping: Hibernate, IBatis, JPA

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

Testing Tools/ Others: JUnit, Putty, SoapUI, Selenium, TDD

Version Control: Git, SVN, CVS

OS & Environment: Windows, UNIX, Linux

Cloud Technologies: AWS (EC2, S3) and Pivotal Cloud Foundry.

PROFESSIONAL EXPERIENCE:

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.
• Experience in Application Development, including design and development of projects in the areas of Java/J2EEE client and server-side Enterprise applications.
• Developed and designed web pages using with HTML5, CSS3, JavaScript, AngularJS 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.
• Designed and developed the application using Angular 2 framework along with HTML5, CSS3 , Type Script , Java Script , Bootstrap , and Mongo DB.
• Designed and implemented server-side RESTful web services using Node JS .
• 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.
• 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.
• Implemented RESTful Webservices using Jersey for JAX-RS Implementation.
• Performed Web services testing between and third-party applications using Soap UI and performance functional testing of REST APIs using JMeter.
• Implemented Web-Services to integrate between different applications components using Restful.
• Involved in development of test environment on Docker containers and configuring the Docker containers using Kubernetes.
• Used Jenkins pipelines to drive all micro services builds out to the Docker registry and then deployed to Kubernetes.
• 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 Micro Services registry and discovery.
• Utilized Java 8 features like Lambda expressions and Stream API for bulk data operations.
• Worked on MongoDB scripts to do the operations on the data.
• 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.
• Enterprise Java Beans (EJB) is a development architecture for building highly scalable and robust enterprise level applications to be deployed on J2EE compliant Application Server such as JBOSS, Web Logic etc.
• 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 .
• Worked on various Azure services like Compute (Web Roles, Worker Roles), Azure Websites, Caching, SQL Azure, NoSQL, Storage, Network services, Azure Active Directory, API Management.
• 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 actually writing the functionality.
• Using code development using the Eclipse IDE.
• Jenkins (Continuous Integration & execution of Builds. GitHub to manage software versioning & refactoring.

Environment: Java 1.8, J2EE, Eclipse IDE, Jenkins, Scrum, Java8, HTML, CSS, JavaScript, AngularJS, Microservices, Spring, 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, Hibernate, AWS Elastic Map Reduce, Web Logic, Soap UI JMeter, Gradle, Git, STS.

Mansfield Energy Inc, Gainesville, GA

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.
• Experience in Application Development, including design and development of projects in the areas of Java/J2EEE client and server-side Enterprise applications.
• Developed static web pages using HTML5, CSS and client-side validations using JavaScript.
• Developed web pages using HTML5 , JavaScript , JSON , JQuery and AJAX , AngularJS .
• Implemented different validation control on the web-pages 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.
• Excellent understanding of JavaScript libraries and frameworks such as NodeJS, AngularJS, ReactJS.
• Extensively worked on Micro Services with Spring Boot and created dynamic documentation for RESTful webservice using Swagger.
• Involved in developing soap and rest based web services.
• 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 .
• Experience in building web services through Soap and Rest API .
• Amazon Web Services ( AWS ), EC2 Storage Managements integration and utilization within this infrastructure and applications.
• Implementing and controlling the flow of data to and from AWS.
• Working on spring cloud for configuration management and maintained the apps on Pivotal Cloud Foundry.
• Used JAXB to read the xml file and then created instances of a generate classes.
• Used XSLT to change the Data formats into XML to XML and XML to PDF formats.
• Used JIRA tool for Issue/bug tracking, monitoring of work assignment in the system.
• EJB requires more development and debugging resources than basic Java coding, as it is difficult to determine whether a bug is inside the code or EJB container.
• Defined unit test cases using JUnit and Mockito based on the technical design/functional design in a way that is comprehensive and verifies accuracy of developed features.
• Developed Maven scripts to build and deploy the application in the WebSphere Application Server.
• Involved in bug fixes, enhancements and code refactoring.
• Troubleshooting any performance or configuration issues with MySQL , Oracle , Linux and UNIX.
• Used Log4j to print the logging, debugging, warning, info and Splunk to monitor the issue.
• Integration of the apache and apache Tomcat to establish communication between Web Server and Tomcat.
• Used Git repository for version control and implemented a Continuous Delivery pipeline with Jenkins.
• Worked on Planning of Infrastructure for No sql databases.

Environment: Java, J2EE, Eclipse IDE, HTML5, CSS3, JavaScript, JQuery, AngularJS, Bootstrap, spring, Spring MVC, Spring Boot, Spring Security, OAUTH2, Spring ORM, Hibernate, Microservices, SOAP, RESTful, AWS, Eclipse, Mockito, Jenkins, JMS, JSP, XSLT, XML, Unix Shell Scripts, SQL, RabbitMQ, WebSphere, Maven, No Sql Log4j, JUnit, Tomcat, JIRA, Jenkins, GIT, Agile.

Confidential, Minneapolis, MN

Java/J2EE Consultant

Responsibilities:

• Involved in all phases of the Software development life cycle (SDLC) using Agile Methodology.
• Experience in Application Development, including design and development of projects in the areas of Java/J2EEE client and server-side Enterprise applications.
• 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 web pages using HTML5 , JavaScript , JSON , JQuery and AJAX , AngularJS .
• Involved in developing soap and rest based web services.
• Experience in building web services through Soap and Rest API .
• 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 other 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.
• 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, and XML using CXF framework tool/Apache Commons. Worked on parsing the XML files using DOM/SAX parsers.
• Worked on Planning of Infrastructure for Nosql databases.
• 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.
• EJB requires more development and debugging resources than basic Java coding, as it is difficult to determine whether a bug is inside the code or EJB container.
• 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.
• Troubleshooting any performance or configuration issues with MySQL , Oracle , Linux and unix.
• Performed deployment of applications on IBM WebSphere Application Server.
• Developed Ant Scripts for the build process and deployed in IBM WebSphere.
• Involved in Bug fixing of various modules that were raised by the testing teams in the application during the Integration testing phase.
• Integration of the apache and apache Tomcat to establish communication between Web Server and Tomcat.
• Implemented Log4J for Logging Errors, debugging and tracking using logger’s components.
• Used Git as Version Control tool to develop the enhancements for every release.
• Used Maven script for building and deploying the application.
• Involved in bug fixes, enhancements and code refactoring.

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

Confidential, Boston, MA

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.
• Experience in Application Development, including design and development of projects in the areas of Java/J2EEE client and server-side Enterprise applications.
• Developed web pages using HTML5 , JavaScript , JSON , JQuery and AJAX , AngularJS .
• Developed the application using JSP for the presentation layer along with JavaScript for the client side validations.
• Using code development using the Eclipse IDE.
• Used AJAX to dynamically load a portion of the page when it was not needed for reloading the entire page.
• Involved in developing soap and rest based web services.
• 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.
• Used Hibernate framework for back end development and Spring dependency injection for middle layer development.
• 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 other 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.
• Experience in building web services through Soap and Rest API.
• Created JUnit test cases for unit testing and implemented application logging feature using log4J.
• Worked on Planning of Infrastructure for Nosq l databases
• Troubleshooting any performance or configuration issues with MySQL , Oracle, Linux and UNIX.
• Integration of the apache and apache Tomcat to establish communication between Web Server and Tomcat.
• Used Maven building tool for creating EAR file to be deployed in application servers. It is also used for dependency management of code in application.
• Used Git as Version Control tool to develop the enhancements for every release.
• Triggered the jobs in Jenkins for continuous integration and continuous deployments (CI/CD).
• Involved in bug fixes, enhancements and code refactoring.

Environment: Java, Eclipse IDE, 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, Tomcat, ORACLE 11g, UCM, SVN, LDAP, Windows XP, UNIX, UML, Rational Clear Case, Clear Quest, Apache Tomcat, NOSQL, Web logic Server 10.3, Git, Maven, Jenkins, cucumber, Agile methodology.

Confidential, Irving, TX

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.
• Experience in Application Development, including design and development of projects in the areas of Java/J2EEE client and server-side Enterprise applications.
• 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.
• Experience in building web services through Soap and Rest API.
• 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.
• Worked on Planning of Infrastructure for Nosql databases
• Involved in writing complex queries in business logic layer and worked on creating the setups for Organization Templates, Concurrent Requests, Cross Reference Types, User Creations, Assigning responsibilities in Oracle Applications.
• Used Maven building tool for creating EAR file to be deployed in application servers. It is also used for dependency management of code in application.
• Used Git as Version Control tool to develop the enhancements for every release.
• Triggered the jobs in Jenkins for continuous integration and continuous deployments (CI/CD).
• Involved in bug fixes, enhancements and code refactoring.
• Troubleshooting any performance or configuration issues with MySQL , Oracle, Linux and UNIX.
• 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, J2EE, Jdk1.6, JavaScript, AJAX, Spring, Spring AOP, Spring Security, XML, JSP, Spring MVC, Hibernate, SOAP, WSDL, Oracle, TDD, Log4J, JUnit, ANT, WebSphere, NOSQL, JBoss, CVS, FireBug, Git, maven, Jenkins, Agile Methodology.

Confidential, Boston, MA

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.
• Experience in building web services through Soap and Rest API .
• 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.
• Cucumber is a software tool used by computer programmers for testing other software.
• Worked on Planning of Infrastructure for Nosql databases
• Troubleshooting any performance or configuration issues with MySQL , Oracle , Linux and UNIX.
• 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 applications.
• Used Maven building tool for creating EAR file to be deployed in application servers. It is also used for dependency management of code in application.
• Used Git as Version Control tool to develop the enhancements for every release.
• Triggered the jobs in Jenkins for continuous integration and continuous deployments (CI/CD).
• Involved in bug fixes, enhancements and code refactoring.

Environment: Java, Eclipse IDE, J2EE, JDBC, Jdk 1.5, Servlets, Struts, JSP, Hibernate, Java Mail API, AJAX, HTML, XML, ANT, Log4J,CVS, RAD, Putty, NOSQL MySQL, mantis, Apache Tomcat, Eclipse IDE, Jenkins, Cucumber, Agile Methodology.