SUMMARY

• IT Professional with 7+ years of experience in design & development of Multi - Tier distributed, Enterprise applications using Object Oriented Programming features of Core Java, J2EE, and J2SE technologies with Software Development Life Cycle (SDLC).
• Experience in leading and managing project team members in various stages of SDLC like requirement gathering, analyzing and designing optimal architecture, Development, Implementation, Integration, Documentation, Testing, and Deployment.
• Strong application development experience in using Agile Software Development methodologies like Scrum, Sprint, and Traditional software models like Waterfall and TDD.
• Expertise in developing single-page web applications using HTML, CSS, JavaScript, jQuery, Ajax, AngularJS, and Bootstrap with webpage cross-browser compatibility and responsive web design and Server scripting language like Node JS, Backbones.
• Expertise in Web Front End Technologies Struts, Tag Libraries, and Struts custom validation rules, Tiles, JSTL, JavaScript, DHTML, and XML/XSL.
• Experience with Java 1.8 features such as Lambda Expressions for making anonymous inline function calls by using functional Interfaces which makes code readable and concise.
• Good experience with Cloud Computing Service environments like Amazon Web Services (AWS) and managed EC2, S3 bucket, and Virtual Private Cloud (VPC) through AWS Console and API Integration.
• Expert in building Microservice applications using Spring Boot for developing RESTful web services.
• Experience in implementing client-server business applications using MVC and SOA architecture.
• Expert in Core Java and implemented concepts like Multithreading, Concurrency, Exception Handling, File handling, IO, Generics, Swings, and collections in various projects.
• Expertise in Core Java and J2EE technologies, including JSPs, Servlets, Java Mail, EJB transaction implementation (CMP, BMP, Message-Driven Beans), JMS, Java Beans, JDBC, JNDI.
• Extensive experience on backend frameworks like spring, Hibernate, and JSF.
• Expert in implementing Spring modules such as Spring IOC, Spring MVC, Spring AOP, Spring Batch, Spring JDBC, Spring DAO, and Spring ORM.
• Experience in working with ORM frameworks like Hibernate, JPA (Java Persistence API), and APIs such as JDO (Java Data Objects).
• Experience in developing inter-operable Web Services and its related technologies like SOAP, Restful, WSDL, UDDI, XML, JAX-WS, JAXB, and JAX-RPC using tools like Apache Axis.
• Experience with Middleware Technology Messaging Brokers like JMS and ActiveMQ in SOA (Service-oriented) Architecture.
• Strong skills in RDBMS implementation and development using SQL Server, Oracle, IBM DB2, MYSQL, and experience in working with SQL, PL/SQL programming languages.
• Experience in using build tools like Gradle, ANT, and MAVEN for the development of build artifacts on the source code and log4J framework for logging details.
• Experience in using web app servers like IBM Web Sphere, Web Logic, Apache Tomcat, Jetty, and JBoss Servers.
• Quick Learner, highly motivated team player with excellent organizational and analytical skills.
• Experience in Java Framework Integration with Apache Camel.

TECHNICAL SKILLS

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

J2EE Technologies: Servlets, JDBC, JSP, JSF, JMS, EJB, JNDI, Java Security

Markup/XML Technologies: HTML5, CSS3, JavaScript, Ruby, JQuery, AJAX, React JS, AngularJS, angular2 & 4, JSP, JSTL, XML, XSD, XSL/XSLT, SAX/DOM, JSON

Tools: & Framework Struts, Hibernate, Spring MVC, Spring Web Flow, Spring IOC, Spring AOP, Spring Boot, JSF, JUnit, SOAP UI, ANT, Maven, Jenkins, Struts MVC, Apache Active MQ, Apache Camel, Kafka.

Web services: SOAP, Restful, UDDI, WSDL, JAX-RPC, JAX-RS, JAX-WS, JAX-B, Axis

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

Database: Oracle, SQL-Server, PostgreSQL, MySQL server, TOAD, Cassandra, MongoDB/NoSQL

IDEs: Eclipse, IntelliJ, Spring Tool Suite (STS), RAD

OR mapping: Hibernate, IBatis

Testing Tools/ Others: JUnit, Soap UI, Putty, Rational Clear Quest, RTC, StarTeam

Version Control: Tortoise SVN, CVS, Rational Clear case, Git and Mercurial, Docker

OS & Environment: Windows, Sun Solaris, UNIX, Linux

Cloud Technologies: AWS (Amazon Web Services), Cloud Foundry

PROFESSIONAL EXPERIENCE

Confidential, Chicago, IL

Sr. Full Stack Java Developer

Responsibilities:

• Involved in various phases of Software Development Life Cycle (SDLC) such as requirements gathering, modeling, analysis, design, development, and testing.
• Developed the view-controller components using JSPs, HTML5, CSS3, AJAX, JavaScript (jQuery).
• Implemented routing logic and navigation from screen to screen and implemented login functionality on the client-side in AngularJS.
• Worked on integration with Elastic search in any of the programming languages like JAVA and JavaScript.
• Implemented core features of AngularJS framework such as dependency Injection, Data-binding, Filters, Directives, Templates, Services, and Deep Linking Designing.
• Used Java 1.8 features like stream and Lambda expressions.
• Maintained Interface compatibility and concurrency in the project using Java 1.8 new features like default, static methods, and Concurrency API.
• Developed the monolithic application and was involved in migrating existing monolithic application into Micro Service Architecture based RESTful Service and deployments were done on AWS using Spring Cloud for AWS.
• Designed and developed Micro Services business components using spring for different policies.
• Involved in the development of Microservices for all the models using a combination of Spring Boot and Spring Security.
• Designed developed and maintained the data layer using Cassandra DB and performed configuration of Spring Application Framework.
• Responsible for creating an instance on Amazon EC2 (AWS) and deploying the application on it.
• Developed APIs to read and publish data from Elastic Search cluster using native Java Transport client as well as a REST client.
• Worked on Spring Integration with the Elastic Search.
• Implemented the REST APIs and data transformers using the JAVA connector which involves the JAVA8 features Lambda and Streams in particular.
• Developed Single page applications and structured the JavaScript code using AngularJS.
• Design and develop template-based User Interfaces using Bootstrap and Angular JS.
• Used Spring MVC framework for implementing Model-View-Controller (MVC) architecture at the Web tier level to isolate each layer of the application so that the complexity of integration will be reduced and maintenance will be very easy.
• Used Spring AOP for solving crosscutting concerns like keeping logged data and transactions details etc.
• Used Spring Batch for processing a large amount of data like transaction management, job processing, resource management, and logging.
• Secured the APIs by implementing OAuth 2.0 token-based authentication/authorization scheme using Spring Security.
• Designed and developed third-party Payment services to Offer Users Convenient Payment Methods based on OAuth Protocol.
• Used Hibernate ORM framework as persistence engine and wrote Hibernate Queries to automate the mapping between Oracle database and Objects in Java.
• Involved in writing SQL and Stored Procedures for handling complex queries with help of TOAD and accessing them through Java Programs from Oracle Database.
• Worked with MongoDB to store non-relational data into the collection and retrieve them whenever required.
• Used WebLogic server to route our JMS queue messages to different business floors and configured routes in WebLogic and used JMS in the e-mail notification.
• Worked on setting up Maven scripts to build, package, and deploy application code to the target WebLogic Application Servers and worked on continuous integration servers like Jenkins.
• Worked on coding to build REST Micro Services using Spring Cloud, Oracle, XSD, JSON, Spring Config, and Jenkins.
• Used Docker for Claims automated payment configuration management and deployed the application on it.
• Worked on developing RESTful endpoints to cache application-specific data in in-memory data clusters like REDIS and exposed them with RESTful endpoints.
• Worked on Test Driven Development thereby creating detailed JUnit tests for every single piece of functionality before writing the functionality.
• Worked on Log4J to validate functionalities and Mockito framework, JUnit for unit testing
• Performed automation testing and authored test scripts using Selenium Web Driver, Selenium Grid, and Junit.
• Worked in Agile TDD environment using SDLC tools like GIT, Jira, Jenkins, and Maven for building packaging and deployments of the application components.

Environment: Java 1.8, J2EE, JSP 2.0, PL/SQL, Spring 2.0, EJB 2.0, Angular 2, JMS, JNDI, Oracle, XML, DOM, SOAP, Junit, Apache Camel, Web Sphere 8.5, Hibernate 3.0, Microservices, AWS, JDBC, Kafka, MS SQL Server 2012, JESS, REST-ful Web service, Web logic 8, JBoss Drools, SOA Design Patterns, Cassandra, LDAP, NoSQL, Hadoop

Confidential, NYC

Sr. Full Stack Java Developer

Responsibilities:

• Worked on High-level and low-level system design, planning, estimation, and implementation.
• Developed presentation layer using JSP, HTML5, CSS3 and client validation using JavaScript.
• Implemented animation and styling using CSS3 and jQuery.
• Used two-way data binding features of AngularJS to implement Data binding to bind various server controls to the data from the database.
• Used NodeJS for building web applications with client-server architecture, where both can initiate communication in two-way connections and allow them to exchange data.
• Designed and integrated the full-scale spring / Hibernate persistence solution with the application architecture.
• Implemented Microservices using Pivotal Cloud Foundry (PCF) platform build upon Spring Boot services.
• Used Struts MVC for developing security applications and was involved in the migration of Struts 2. x.
• Used Web Services for creating rate summaries and used WSDL and SOAP messages for getting useful plans from different modules.
• Developed the persistence layer using Hibernate Framework, created the POJO, and mapped using Hibernate annotations and Transaction Management.
• Worked on development and implementation of the MVC Architectural pattern using Spring Framework including JSP, and Servlets.
• Integrated JBoss Application server with oracle database using JNDI.
• Developed the DAO layer for the application using Spring, and Hibernate template support.
• Implemented Object-Relational Persistence (Hibernate) for the domain model.
• Involved in the design and development of the Hibernate Domain Model for the services.
• Used Grails and Groovy in developing web applications.
• Used CAS Authentication for Single Sign- for the user login and authentication.
• Worked on Single Sign-On application using LDAP directory service for secure authentication and assigning roles based on the login id.
• Implemented Multi-Factor Authentication (MFA) for high-level users who access privilege applications.
• Worked on generating the web services classes by using Service Oriented Architecture (SOA), WSDL, UDDI, and SOAP.
• Worked on RDBMS such as Oracle, Cassandra, MySQL, and IBM DB2 databases.
• Used RabbitMQ message broker to route messages to the clients across the cloud network.
• Wrote complex PL/SQL queries using joins, Stored Procedures, Functions, Triggers, Cursors, and indexes in Data Access Layer.
• Developed User reports using SAP Business Objects.
• Worked as L2 production support engineer for last 6 months supporting the business application after deployments.
• Resolved the tickets and supported the business application used by end clients.
• Used JUnit and build tools such as MAVEN.
• Worked on Log4j for logging errors, messages, and performance logs and SVN for version control.
• Deployed and tested the application in UNIX on IBM Web Logic Application Server.
• Creating custom, general use modules and components, which extend the elements and modules of core AngularJS.
• Used AngularJS as the development framework to build a single-page application and reusable AngularJS applications.

Environment: Java, Struts, Tiles, HTML5, CSS3, JSP, JSTL, JavaScript, JQuery, AJAX, Angular.Js, XML, Spring IOC, Spring MVC, Spring Batch, Spring AOP, Cloud Foundry, Servlets, MVC, Hibernate, SQL, Oracle, WebSphere, SOA, JAX-RS, Sun Metro stack, SOA, REST API, Agile methodology, Maven, RAD, JUnit, GIT, and JIRA

Confidential, San Francisco, CA

Sr. Full Stack Developer

Responsibilities:

• Involved in analysis, specification, design, implementation, and testing phases of Software Development Life Cycle (SDLC) based on the functional requirements.
• Implemented the application using agile methodology where there is a daily SCRUM meeting to understand the status and resolve any issues.
• Upgraded existing UI with HTML, CSS, JQuery, Bootstrap, and interaction.
• Worked on POC (Proof-of-Concept) by developing the Responsive UI to render the content from the FileNet.
• Implemented the application using Spring IOC, Spring MVC Framework, Spring AOP, Spring Boot, and Spring Batch, and handled the security using Spring Security.
• Designed and developed the End Points (Controllers), Business Layer, and DAO Layer using Hibernate/JDBC template, and Spring IOC (Dependency Injection).
• Spring MVC model integration for front-end request action controller.
• Extensively used hibernate named queries, criteria query, Hibernate Query Language (HQL), and Optimistic Locking and Caching to process the data from the database.
• Involved in creating various Data Access Objects (DAO) for addition, modification, and deletion of records using various specification files.
• Used Apache Axis Service Engine for creating and deploying Web Service clients using SOAP.
• Consumed SOAP and RESTful Web Services in SOA environment and used SOAP UI for testing.
• Created flows on messaging using ActiveMQ.
• Written Stored Procedures and SQL Queries to interact with MS SQL Server.
• Involved in production support during deployments and worked on resolving tickets raised by business users and L1 supports.
• Extensively used JUnit for unit testing, integration testing, and production testing.
• Involved in installing and configuring Maven for application builds and deployment.
• Used JIRA to assign, track, report, and audit the issues in the application.
• Worked with IntelliJ and used the Gradle build tool to achieve more functionality for the build process.
• Involved in the Maintenance and Enhancement of the project.

Environment: Java, HTML, CSS, JavaScript, Ajax, JQuery, AngularJS, Struts, Spring, Hibernate, Jenkins, JAXP, JAXB, AWS, JMS, SVN, JSP, Servlet, JBoss, Oracle, IBM WebSphere, RESTful Web Services, AXIS

Confidential, GA

Sr. Java/J2EE Developer

Responsibilities:

• Involved in requirements gathering, design, development, unit testing, and bug fixing.
• Developed applications according to a structured agile project management methodology
• Used the lightweight container of the Struts Framework to provide architectural flexibility for inversion of the controller (IOC)
• Involved in developing User Interface (UI) with HTML, CSS, JavaScript, DOJO, JQuery, JSON, and Struts
• Used Struts tags and Content Server tags for writing Java.
• Used Spring Framework for Dependency Injection
• Developed the application framework using MVC architecture using Struts, spring, and hibernate
• Worked in the development of data abstraction layer using Hibernate ORM framework with spring support.
• Developed an XML-based editor interface that allows users to easily enter data for the attribute.
• Worked in the development of Servlets, JSP, Spring Beans, and POJOs.
• Worked closely with the architect to design & implement Cassandra & cloud to communicate with Wireless applications.
• Developed Web services using Apache Axis SOAP engine that would be exposed to external applications to retrieve data from the e-Client servicing platform
• Worked in the development of web services for business operations using SOAP, WSDL, JAX-WS, JDOM, XML, XSL, and Apache CXF
• Worked in Data extractor development to retrieve report data from a centralized database using RPM SOAP web services
• Middle-tier and business layer services were developed using EJB stateless session and entity beans.
• Consumed Web Services as a gateway for the payment through the third-party
• Extensively used plain JavaScript and JQuery, JavaScript Library to do the client-side validations
• Worked in the configuration of TOMCAT application server in a Multi-cluster environment
• Developed MySQL stored procedures and triggers using SQL to calculate and update the tables to implement business logic.
• Design & Development of page flows, Portlets using WebLogic Workshop.
• Worked in Writing and executing the Unit Test cases using JUnit to test specific functionality in the code
• Used JMS to establish message communication and added AJAX calls using JQuery
• Used Log4J to capture the log that includes runtime exceptions, monitored error logs, and fixed the problems
• Developed and used Maven for compiling and building the applications
• Involved in making release builds for deploying the application for test environments.
• Effective using in Clear case and the clear quest for version control and defect tracking.

Environment: Windows XP/2000, Java 1.3, J2EE, Struts 1.1, EJB 2.0, Servlets, Session Beans, Ant, JavaScript 1.3, JSPs, HTML5, CSS3, JQuery, JSON, Oracle 8i, Ajax, Mongo DB, Soap, Toad, Eclipse 3.1, Web Sphere Application Server 5.1, Web logic, Apache CXF, MySQL, XSLT, Junit, Log4j, Rational Clear Case, Clear Quest.

Confidential

Software Developer

Responsibilities:

• Involved in understanding and analyzing the requirements of the project.
• Designed and developed the User Interface using HTML, CSS, JSP, AJAX, and JQuery.
• Used JavaScript to perform Client-Side Validation.
• Implemented server-side programs by using Servlets and EJB.
• Implemented using the MVC design pattern.
• Responsible for designing, coding, and developing the application in J2EE using Struts MVC.
• Developed Controller Servlets, Action, and Action Form objects for the process of interacting with MySQL database using Struts.
• Developed SQL Queries to interact with the MYSQL Database and used JDBC to interact with the Database.
• Involved in Unit testing for various components.
• Used Log4j for any logging purposes during the development of the application.
• Used Apache Tomcat Server to deploy the build.
• Used Clear Case as a repository to control the versioning of projects.
• Worked with VSS Version control to create a virtual library of computer files.

Environment: Java, J2EE, HTML, CSS, JSP, JavaScript, AJAX, JQuery, EJB, Servlets, Struts MVC, JDBC, MYSQL, Apache Tomcat Server, Log4j, Unit Testing, Clear Case, Eclipse.