SUMMARY

• 7+ years of Software Development experience in Object - Oriented Programming, Design, and Development of Web-based Enterprise Applications using Java and JEE Technologies wif Software Development Life Cycle (SDLC).
• Experience in Agile Software development process, Test Driven Development (TDD), behavior-driven development (BDD) and Scrum.
• Extensive experience wif Java EE design patterns- MVC, Singleton, Session Facade, Service Locator, Visitor, Observer, Decorator, Front Controller, Data Access Object, Factory, Adapter, Value Object, DTO, Command, and Factory, Adapter.
• Proficient in Core Java and implementing concepts like Multithreading, Concurrency, Exception Handling, File handling, IO, Generics and Java collections in various projects.
• Experience wif core Java SE, including Collections API, threads, generics, reflection, and JDBC.
• Expertise in Core Java wif strong understanding & working noledge of Object-Oriented Programming (OOPs) concepts like Abstraction, Polymorphism, Inheritance, and Encapsulation…etc.
• Extensive experience in design and implementation of client/server and web applications using J2EE (Servlets, JSP, JSTL, JDBC, EJB, JMS, MQ, Struts, JMS, XML, Java Multi-threading API, Spring, Hibernate and SOAP & REST Web Services).
• Effective refactoring experience wif both data and code TEMPhas worked extensively on various machine learning algorithms.
• Proficient in using frameworks and technologies like Struts, Hibernate (ORM), spring (DI/ MVC/ AOP/ batch/ Templates), Web Services (AXIS, Jersey), JMS, Log4j.
• Experience in Microservices, Pivotal Cloud Foundry, and Engagement using Spring Boot.
• Expertise in developing SOA (Service Oriented Architectures) and Micro-Service architectures using J2EE web services based on Restful(JAX-RS), SOAP(JAX WS), JAX-RPC and JAXR(Java API for XML Registries) using frameworks like Apache CXF, Jersey, Apache Axis.
• Good understanding of PAAS platforms like Amazon Web Services (AWS), OpenShift, Microsoft Azure, and Pivotal Cloud Foundry.
• Strong front-end UI development skills using HTML5, CSS3, Custom Tag Libraries, JavaScript, AJAX, and Bootstrap based on teh W3C standards and Web2.0.
• Extensive experience in Angular.JS for application implementation, proficient in creating modules, controllers, routeProviders, factory services, ng-repeat, customizable filter, HTTP get/post methods and directives to realize functionalities like REST service wif Ajax call, input validations, searchable and sortable contents.
• Hands on experience in writing lightweight Node.jsserver, and using technologies like Ajax, JavaScript/jQuery, JSON to make connections between server and databases like MongoDB, Redis,and MySQL.
• Expert in Spring Boot in building cloud Microservices and develop Spring-based applications wif very less configuration.
• Expertise in web services both developing and consuming REST (JAX-RS) API and strong noledge of SOAP (JAX-WS) and WSDL.
• Experience in working wif Relational Databases like Oracle 11g/12c, MySQL, DB2, MS SQL Server using SQL, PL/SQL and NoSQL databases such as Redis, MongoDB & Cassandra.
• Expertise in database programming involving Stored Procedures, Triggers, Views, Functions, Cursors and implementation wif SQL Server.
• Expertise wif employment of Spring Kafka and Zookeeper apart from JMS as messaging service.
• Experience in using Hibernate, iBatis as ORM tools and JPA frameworks for database connectivity.
• Experienced in teh asynchronous processing of messages using RabbitMQ, ActiveMQ, and Kafka.
• Experience wif Apache Solr enables you to easily create search engines which search websites, databases, and files.
• Good familiarity in developing various web applications using scripting languages as Unix PowerShell, JavaScript, PHP, Bean Shell, TCL, Python, R, Ruby, Perl,andJQuery.
• Experience in testing wif JUnit Framework using Mockito and Easy Mock & Spring JUnit Runner.

TECHNICAL SKILLS

Languages: Java, J2EE, SQL, PL/SQL, C, C++

Relational: SQL Server, MySQL, Oracle 10g/11g/12c, DB2, MySQL, SYBASE, NoSQL- Cassandra, MongoDB, Redis, PostgreSQL

Cloud Technologies: AWS, Azure, RackSpace, PCF, Google Cloud

Web Technologies: JSP, JSTL, JSON, Servlets, XML, HTML, CSS, XSLT, JSF, JavaScript, JQuery, D3.js, Angular JS, angular2, angular4, Node Js, React JS, Bootstrap, DOJO, JAXB 2.2.11, JMS, RabbitMQ

J2EE Technologies: Struts, spring, JDBC, JNDI, EJB, Java Beans.

Application Servers: JBoss, WebLogic 8.1/10.3, Glassfish

Web Servers: Tomcat 6.x/7.x/8.x/9.0, IBM Web Sphere Commerce Application Server

Web Services: REST, SOAP, WSDL, SOA

Database Tools: TOAD, SQL Developer, MySQL Workbench

Operating Systems: Windows, UNIX, and Linux

Development Tools: Eclipse Neon2, NetBeans, IntelliJ

Frameworks: Struts 1.x/2, JSF 2.x, Angular JS, spring 4.x/3.x, iBatis 2.x, Hibernate 3.x/4.x

Version Controls: SVN, GIT

SDLC Methodologies: Agile, Waterfall and Scrum models

Data Mining/ Data Analysis Techniques: OLAP, OLTP.

PROFESSIONAL EXPERIENCE

Confidential, Chicago, IL

Sr. Full Stack Java Developer

Responsibilities:

• Involved in teh analysis, design, development, and system and integration testing phases of teh Software Development Lifecycle (SDLC).
• Followed Agile Scrum Methodology to analyze, define, and document teh application which will support functional and business requirements.
• Developed Dashboards and UI pages wif JSP, HTML5, CSS3, JavaScript, jQuery, and used Bootstrap to create Responsive Web pages.
• Developed AWS cloud formation templates and set up Auto-scaling for EC2 instances and involved in teh automated provisioning of AWS cloud environment using Jenkins and chef.
• Developed server-side software modules and client-side user interface components deployed entirely in Compute Cloud of Amazon Web Services (AWS).
• Build Restful API web services using Node JS and used a full complement of Angular JS, Node. js, and Mongo DB to store and present assessments.
• Migrated teh existing application from server-side rendering view technologies like JSP, Struts, and Velocity to client-side rendering view technologies using AngularJS a popular JavaScript framework for modern browsers.
• Built rich prototypes and applications using HTML5, CSS3, JavaScript, jQuery, Ajax, JSON, Angular 4.0/5.0, NodeJS and Bootstrap
• Used GWT and AmazonAWS (EC2/S3/EBS) for prototyping and subsequent evaluation.
• Responsible for maintaining and expanding our AWS infrastructure using AWS (EC2/EBS).
• Teh responsibility of maintaining and developing server-side code wif JavaScript and Node.js runtime environment.
• Used Node package manager (npm) for managing teh Node.js modules like Watchify, Browserify, Http-Fetch etc.
• Implemented Single Page Design and customized directive and filter criteria by using Angular4, which can allow data binding to specific views and synchronize teh data wif teh server.
• Performed Restful routing using Node.js which submits my form data to teh Mongo DB database.
• Used Docker for managing & running teh applications wifin containers.
• Implemented Restful Web Services using spring and used SpringBootfor microservices& consumed services using SpringREST template.
• Angular4 was used to parse teh JSON file using teh REST Web services.
• Involved in developing components on Reporting Dashboard wif Spring MVC, Spring Framework and Hibernate &used Spring Security to secure teh application.
• Configured Hibernate session factory to integrate Hibernate wif spring and used JPA/Hibernate to communicate wif data layer and XML/JAXB to read XML data.
• Developed teh Azure Active Directory (AAD) autantication and OAuth authorization for API security.
• Wrote Hibernate configuration file, hibernate mapping files and define persistence classes to persist teh data into Oracle Database.
• Used Java Message Service (JMS) for teh reliable and asynchronous exchange of important information.
• Used Swagger to test teh developed RESTful API.
• Familiar wif MongoDB write concern to avoid loss of data during system failures and implemented read preferences in MongoDB replica set.
• Managed servers on teh Amazon Web Services (AWS) platform instances using Chef Configuration management.
• Performed configuration, deployment and support of cloud services including Amazon Web Services (AWS).
• Launch various AWS EC2 instance to deploy teh various application and maintained for production servers.
• Configured local Maven repositories and multi-component Ant projects wif Nexus repositories and scheduled projects in Jenkins for continuous integration.
• Used Tomcatserver for teh application development and deployment and JIRA for issue tracking.
• Implemented Test Driven Development (TDD) for developing and testing teh application.
• Used Log4j API for logging in development, testing and production environments, configured to send email notifications and used JUnit framework for Unit Testing of application.

Environment: Linux, AWS, Java/J2EE, EC2, VPC, S3, HTML5, CSS3, JavaScript, jQuery, JSP, XML, Ajax, Angular4, Node.js, Restful Services, Java 8, Spring MVC, Spring Core, Spring Boot, Spring Security, Multithreading, Hibernate, Oracle, Docker, JMS, MongoDB, Apache Tomcat Server 9.0, Shell Scripting, Microsoft Azure, SubVersion, Maven, Swagger, AWS, Puppet, Jenkins, JUnit, TDD, Log4j, Eclipse, JIRA, SVN.

Confidential, NY

Sr. Full Stack Java Developer

Responsibilities:

• Involved in programming, testing, debugging, implementing and maintaining of Java EE client/server distributed applications to meet teh organization's needs.
• Developed web pages using HTML, CSS, JQuery, Angular MVC Framework, JSTL, and AJAX.
• Performed AngularJS form validation and validation messages displaying wif ng-show and created a custom validation directive for comparing two input fields.
• Used AngularJS to route different endpoints and created custom directives to display data in UI.
• Responsible for teh redesign and implementation of teh AJAX / synchronous implementation of teh client Web portals for SOA Web applications.
• Worked on capturing teh user events and rendering teh appropriate action and dynamically rendering teh UI based on user actions using ReactJS.
• Used Hibernate Template and Core Hibernate3.0 in teh data access layer to access and update information in teh database.
• Developed RESTful Web Services to retrieve data from client side using Microservices architecture.
• Implemented BackboneJS and ReactJS to create a dynamically changing website.
• Configured and Integrated JSF, spring and Hibernate frameworks.
• Developed user specific Highlights (dashboard menu) section, Homepage, Admin home page, user module (Modify/search users, create user’s screens wif assigning various roles) using Spring MVC framework, Hibernate ORM Module, Spring Core Module, XML, JSP,and XSLT.
• Created teh Spring Bean Factory for initializing services. Added security for service layer methods using Spring Security.
• Involved in developing code for obtaining bean references in spring framework using Dependency Injection / Inversion of Control (IOC), and Aspect Oriented Programming (AOP) on Spring Source Tool Suite.
• Used RabbitMQ for asynchronous message processing functionality to support batch processing modules.
• Designed and documented REST/HTTP APIs, including JSON data formats and API versioning strategy.
• Developed core search component using Apache Solr to handle fallback and custom functions.
• Developed end to end application on spring boot framework (Rest API Application/Spring JPA using Crud repository).
• Consumed REST based Microservices wif Rest template based on RESTful APIs.
• Testing internal routes and Get, Put, Post, Delete methods using Postman.
• Wrote complex SQL and PL/SQL queries using hibernates native SQL.
• Developed Maven scripts for compiling and deployment and Used Web Sphere 5.1.2 to develop teh Entity Beans where transaction persistence is required and ran UNIX shell scripts and implemented auto deployment process.
• Developed RESTful web services to manipulate data in MySQL.
• Involved on migrating SQL Server databases to SQL Azure Database using SQL Azure Migration Wizard and deployed teh application to Azure cloud.
• Used TDD to run teh tests and refactor code to pass teh test. Unit tested teh complete application using JUnit.
• Experience in Gradle Build tool and understanding teh Artifactory and repo structure.
• Used Splunk tool to search teh application logs and used Log4j for logging.
• Participated in Retrospective meetings after every sprint to discuss teh overall ranking of teh previous sprint and to discuss teh drawbacks and scope for development.
• GIT was used for project management and version management.

Environment: Java 8, HTML, CSS, JSP, Servlets, jQuery, AngularJS MVC Framework, Node.js, JSTL, AJAX, SOA, BackboneJS, ReactJS, Splunk, Struts, Restful, Apache, Spring Core, Spring MVC, Spring Boot, Hibernate, JUnit, Apache Solr, JSON, Postman, SOAP UI, Spring Tool Suite, Microsoft Azure, Web Sphere 5.1.2, Maven, TDD, Gradle, Unix Shell scripting, GIT.

Confidential, Houston, TX

Sr. Full Stack Developer

Responsibilities:

• Designed and developed applications using Rational Unified Process (RUP), UML, and OOAD.
• Created Use cases, Class Diagrams, and Sequence Diagrams using Rational Rose. Designed and developed teh project using MVC design pattern.
• Developed user management screens using JSF framework, business components using teh spring framework, and DAO classes using teh Hibernate framework for persistence management and was involved in integrating teh frameworks for teh project.
• Developed UI for Customer Service Modules and Reports using JSF, JSP's, Prime Faces, Ajax4JSF framework (Ajax), JavaScript and Backing Beans.
• Implemented J2EE design patterns such as Session Facade, Factory, DAO, DTO, and MVC.
• Designed & Developed persistence service using Hibernate framework.
• Hibernate used as teh ORM mapping tool and worked wif Hibernate Query Language (HQL).
• Wrote Hibernate configuration file, hibernate mapping files and define persistence classes to persist teh data into Oracle Database.
• Developed teh presentation n-Tier using JSP, JavaScript, and HTML.
• Worked on advanced Hibernate associations wif multiple levels of Caching, lazy loading.
• Involved in writing JSF Backing Beans for controlling teh UI and writing custom components and validations.
• Implemented Ajax using Ajax4JSF Framework and nested Taglibs API along wif other standard Taglibs in teh application, as a better approach for screen development and reusability of visual components in teh JSP pages.
• Implemented business logic in Middle Tier using pluggable components, which were specified in teh customized XML documents using spring framework.
• Consumed restful web services using Apache Http Client for teh data coming from external systems.
• Involved in designing data schema and development of SOAP web services wif Axis implementation and REST web services wif JAX-RS.
• Consumed SOAP/ JAX-WS based web services using spring framework and used SOAP UI for testing these services.
• Created Logging aspects for auditing and logging purposes using Spring AOP and implemented security for teh application using Spring Security.
• Consumed SOAP and REST web services to get teh persisted data from different databases.
• REST (JAX-RS) web services has been developed to be consumed by a middleware module to push teh communication center messages into web module.
• Was responsible for deployments using IBM WebSphere application server.
• Configured and Integrated JSF, spring, and Hibernate frameworks.
• Responsible for writing Java code to convert HTML files to PDF file using ApacheFOP.
• Developed Message Driven Beans (MDBs) for receiving and processing data from IBM MQ Series using JMS.
• Involved in UItesting using Cucumber and Selenium.
• Rational ClearQuest used for defects, change tracking across teh application.
• Designed and developed direct live interfaces to handle multiple systems wifin teh bank to subscribe teh data in real-time.
• Developed database triggers and procedures to update teh real-time cash balances.
• Involved in writing JUnit test cases and day to day builds and deployments using GRADLE.
• Experienced in code review and represent as a team lead across all functionalities and used lambda expressions.
• Involved in implementing JQuery for providing interactive user interfaces.
• Written Test cases using Junit to validate teh application flows in different scenarios in teh standalone application.

Environment: Java, Hibernate, spring (AOP, Dependency Injection), XML, Tortoise SVN, JSP, Spring MVC, J2EE, JUnit, Maven, Web Sphere, UML, SOA, SOAP, Log4J, Oracle, JavaScript, AJAX, JIRA and RAD.

Confidential, CO

Sr. Java/J2EE Developer

Responsibilities:

• Was responsible for designing and developing Manage Purchase Order Web Service and presentation layer wif Spring MVC.
• Responsible for Requirement gathering, coding, testing, and documentation.
• Architected and deployed Java-based web product matching framework dat matches products across multiple retailers.
• Responsible for developing and maintaining all teh entity and session beans.
• Extensively worked on Drools Rules Engine and Expectation Engine for writing Business Rules Validation.
• Designed and developed teh messaging framework for communication between teh workflow manager and other Enterprise Applications over Java class and MQ-Series using JMS.
• Designed and integrated teh full-scale Spring/Hibernate persistence solution wif teh application architectures.
• Worked on generating teh web services classes by using Service Oriented Architecture SOA, WSDL, UDDI, and SOAP.
• Developed and implemented teh MVC Architectural Pattern using Spring Framework including JSP, Servlets and Action classes.
• Worked on Angular JS 1.2.0 version for client-side JavaScript MVC framework for teh development of dynamic web applications.
• Worked on Node.js v0.11.10 version of Node JS framework for a server-side JavaScript framework
• Downloaded data from teh Amazon Cloud Database for detailed display by teh app.
• Worked wif teh development team to create appropriate cloud solutions for client needs.
• Implemented database layer using EJB 3.0 and Java Persistence API(JPA) in maintenance projects
• Responsible for developing Use case diagrams, Class diagrams, Sequence diagrams and process flow diagrams for teh modules using UML and Rational Rose.
• Involved in Preparation of teh technical design documents and involved in identifying and implementation of different J2EE design patterns like Singleton and DAO etc.
• Worked on MongoDB database concepts such as locking, indexes, sharing, replication, schema design.

Environment: Java, JMS, JSP, Drools, Angular 1.2.0, Node.js v0.11.10, Servlets, GWT, Hibernate, EJB, JPA, Spring, Java Script, JDBC, UNIX, HTML, XHTML, XSLT, JSON, SOAP, WSDL, Eclipse, Web Services, MySQL, SQL Plus, LDAP, Log4j.

Confidential

UI Developer

Responsibilities:

• Involved in design, development, Object Oriented Analysis and testing teh application.
• Developed teh applications following Agile Scrum, participated in daily standups, Kickoffs and used JIRA for project management.
• Front-end development using HTML, JavaScript, and CSS.
• Used J2EE technologies like JSP, EJB, and JDBC to develop business modules in teh applications.
• Developed web servlets using JSP, JDBC for processing teh data on teh server.
• Worked wif core java by resolved data, application and connectivity issues related to java program functionality.
• Implemented Form classes, Action classes for teh entire application domain module using teh Struts framework.
• Wrote EJB Pojos for fetching module information from teh database.
• Implemented teh backend business logic wif EJB.
• Designed and Developed Web Services using WSDL, SOAP to communicate wif teh other modules.
• Configured teh Hibernate configuration files to persist teh data to teh Oracle 9i Database.
• Designed a proper XML Schema generalized for all teh rules designed by teh company.
• Used JDBC for communicating wif MySQL database. Created& implemented SQL queries, Stored Procedures, triggers for retrieving teh data from teh database.
• Analyzed Use Case Diagrams and created various UML Diagrams such as class and sequence diagrams.
• Involved in configuration management setup using CVS repository and build management using ANT.
• Performed unit testing using JUnit, system testing, and integration testing.
• Worked wif VSS Version control in order to create virtual library of computer files.

Environment: HTML, CSS, Java Script, XML, JAX-WS, Core Java, EJB, Struts, Servlets, JDK, JDBC, MYSQL, Stored Procedures, PL/SQL, Triggers, Linux, SOAP, JBoss, Junit, Sub Version and Eclipse.