SUMMARY:

• 7 years of experience in the design and development of various application systems using Java/J2EE technologies.
• Solid knowledge in RDBMS concepts and experience in working with Oracle, MS SQL Server, MySQL, DB2 and Sybase databases.
• Proficient in NoSQL document storage database, MongoDB.
• Expertise in developing data models using Java Persistence API (JPA), Hibernate, and Spring Data JPA.
• Implemented Object relational mapping (ORM) solution using Hibernate.
• Expertise in developing light weight business component and integrated applications using IOC.
• Superior knowledge in using and configuring various spring modules such as Spring Core, Spring Context, Spring Data JPA, Spring Web MVC, Spring Boot, Spring Security, and Spring Could.
• Solid capability developing microservice application.
• Experienced in implementing microservice architecture using RESTful web services.
• Expertise is using Netflix open source framework such as Eureka, Hystrix, Ribbon, and Zuul.
• Greater knowledge in application layer security with JWT, Spring Security, etc.
• Experienced in Aspect Oriented Programming to address cross cutting concerns using Spring AOP.
• Greater experience in functional programming using Java 8 (and onward) features such as Stream API, Filters, and Lambda Expressions.
• Solid knowledge in developing System Design using UML methodology and preparation of class diagrams and sequence diagrams.
• Experienced in JVM tuning for application performance optimization and JVM tuning using VM arguments and JStack, JMap, JVisual VM, JConsole, etc.
• Extensive experience in Test Driven Development (TDD).
• Superior expertise in implementing Unit and integration Testing using JUnit, Spring Test, etc.
• Experienced in UI development using JavaScript, AngularJS, jQuery, HTML, AJAX, JSP, and CSS.
• Extensive development experience on different IDE’s like Eclipse and NetBeans for debugging and using java coding standards.
• Good working knowledge of Ant and Maven for project build.
• Experienced in application logging implementation using Logback, Log4J, and SLF4J.
• Collaborated with business and technical individuals who were involved in all stages of software development using Agile and Waterfall methodologies.
• Involved in all aspects of Software development life cycle (SDLC) starting from requirements Collection, Analysis, Design, Development, Testing, Integration and Deployment of projects using various methodologies.
• Experience with implementing various software design patterns such as MVC, Singleton, Repository, Façade, Observer, Adapter, Proxy, DTO (Data Transfer Object), DAO (Data Access Object).
• Strong analytical, problem - solving and trouble-shooting skills with excellent interpersonal and communication skills.
• Working knowledge on Version control software such as CVN,SVN and GIT.
• Involved in all stages of Software Development lifecycle (SDLC) as well as Agile/Scrum workflow.
• Experience in continuous Integration tools like Jenkins and Hudson.
• Strong skills on Splunk Log Management Creating dashboards reports, monitoring, reporting, Email Notification to Users.
• Proficient in messaging frameworks (ActiveMQ, RabbitMQ, Kafka).
• Skilled in effective coding, well-documented, well-commented code for web development.
• Strong Communication, Team player, Managerial, Planning skills and Organizing with the ability to meet the deadlines effectively.

TECHNICAL SKILLS:

Languages: Java, J2EE, J2ME C, C++, JDBC, DTD, SQL, PL/SQL, UML, Unix Shell scripts.

Frameworks: Spring, Hibernate, JSF, Struts, Log4J.

IDE S: Eclipse, MyEclipse, NetBeans, IntelliJ, Spring Tool Suite

Web Technologies: HTML/ XHTML/ DHTML/ HTML5, XML, XSLT, XSD, CSS3, Servlets, JSP, EJB, Java Script, Angular JS (Versions 1.0,2.0), NodeJS, ReactJs, Bootstrap, JSF, AJAX, JSON, jQuery

Tools: UML, Splunk, SQL Developer, Log4j, SOAPUI, Rest Client UI

Web/Applications: IBM WebSphere, J2EE Server 1.6, Apache Tomcat, BEA Web Logic, JBoss.

Design Patterns: IOC, MVC, Front Controller, Session Facade, Singleton, Data Access Object, Business Delegate.

Methodologies: Agile, TDD, OOAD, Water Fall.

Testing Tools: Junit, Mockito, Karma, Jasmine, Selenium, Jenkins.

Databases: Oracle 10g/11g, MYSQL Server, SQL server, NoSQL, DB2, Cassandra, MongoDB.

Version Control systems: GitHub, CVS, SVN, Clearcase, TortoiseCVS, WinCVS.

Build Tools: ANT, Maven, Gradle, Groovy, Log4j.

Operating Systems: UNIX, LINUX, MAC, Windows 98/2000, windows XP, windows 7/8/10.

PROFESSIONAL EXPERIENCE:

Sr.Java/J2EE Full Stack Developer

Confidential - Charlotte, NC

Roles and Responsibilities: -

• Designed and developed efficient user Interaction screens using HTML5, CSS3-SASS and Twitter Bootstrap CSS framework and media queries to create responsive web pages.
• Used Web Pack module bundler for compilation of SAAS files into CSS and for monitoring the application.
• Developed multiple Angular 4.0/6.0 components which are compatible with latest versions of typescript, angular CLI.
• Configured various routes, directives for grid, pagination, conditional validations, templating, dynamic loading, lazy loading, Shadow DOM, ngrx store.
• Developed angular views to hook up models to the DOM and synchronize data with server as a SPA.
• Built-in AJAX HTTP Service with observables is used extensively for making quick and incremental updates to UI of the application.
• Implemented Node JS as a server-side proxy for an event-driven, non-blocking I/O model to make the application lightweight and efficient.
• Developing RESTful web services using Node JS and Express JS and used Node JS server to interact with the Rest services and database, hosted on multiple load balanced cloud instances.
• Utilized the inbuilt NPM package manager to configure the right versions of the packages and to achieve dependency management.
• Configured Express JS node http framework to set up middle-wares to respond to HTTP requests and used its front-end tooling like web packs, starter packs, boiler plates efficiently.
• At a later point, migrated from Express JS to Hapi JS which is configured on top of Node JS to attain better performance, to use built in authentication and authorization techniques.
• Implemented a robust RESTful (Apache CXF) web service and automated documentation to the web services in the application is provided by Swagger by configuring hapi-swaggered and hapi-swaggered-ui.
• Implemented SpringBoot services in combination with Angular as front end to form a Microservice Oriented application
• AngularJS was used to parse the JSON file using the REST Web services.
• Configured Spring based Microservices and Spring Boot
• Used Object/Relational mapping tool Hibernate and JPA to achieve object to database table persistency.
• Developed Hibernate POJO Classes, Hibernate Configuration file and Hibernate Mapping files.
• Configured Swagger-UI registered Micro service with Eureka server to monitor service health check from Spring Boot admin console.
• Analyze and fix issues related to REST Web services and Application responses.
• Implemented the back-end services using SpringBoot.
• Worked on developing REST Services to expose the processed data as a service.
• Experience in working with NoSQL, Mongo DB, and Apache Cassandra.
• Implemented Spring Security and Spring transactions in the applications.
• Worked on Swagger, REST with JSON to test data, and Postman for testing the Web Services and Documentation of the Web API.
• Experienced on spring framework applications like Spring Core, Spring AOP, Spring MVC, Spring Batch, Spring Security and SpringBoot and did integration to Micro services into existing system architecture.
• Involved in the configuration of Spring Framework and Hibernate mapping tool.
• Configured MQ Queues and Topics to publish messages to topics and consume published messages.
• Worked with Docker to deploy Micro-services in modern containers to increase Isolation.
• Experience with Spring Ribbon and Kafka broker service to handle heavy traffic.
• Used Spring Core Annotations for Dependency Injection and used Apache Camel to integrate Spring framework.

Environment: Java/J2ee, JSP, SpringBoot, Hibernate, SOAP, REST, JAX-RS, JMS, MQ Series, SQL, PL/SQL, JAXB, XML, HTML5, CSS, JavaScript, jQuery, AJAX, JSON, AngularJS, Eclipse, JBoss, Maven, Nexus, AWS, DB2, Kafka, Cassandra, Micro Services, Autosys, UML, Agile, XP, Jenkins, GitHub, Stash, JIRA, Junit, Log4j, SOAPUI, Unix shell Scripting.

Sr.Java/J2EE Developer

Confidential - New York, NY

Responsibilities:

• Implemented functionality rich user interfaces using HTML, CSS, JavaScript, AJAX and JSP's.
• Developed web pages using Ext JS, Forms, Components, Layouts, Events, Validations, Trees, Grids components.
• Used Agile Methodology for developing the application.
• Worked on IE Developer tools to debug given HTML.
• Installed and configured GIT on developer workstations and documented merge strategies
• Extensively used Hibernate ORM in data access layer to write DAOs. Developed hibernate mapping and Configuration files.
• Used ReactJS to build web components such as signup form and rule form.
• Used Ext JS, JavaScript for validating client-side validations.
• Wrote Ext JS, Ember.js function while implementing various UI Screens across the whole web application (both consumer facing as well as internal application)
• Developed single page applications, components using Angular JS directives, controllers, view and routing, service modules.
• Wrote interfaces to invoke various AWS web services and eBay web services.
• Used MVC architecture of Ext JS Framework to simplify the code complexity and increase clean code.
• Used CSS3.0 for styling and HTML 5.0 for Templates in Ext JS.
• Responsible for design and developing Persistence classes using Hibernate and Spring JDBC Template frameworks to save data in database tables.
• Used Maven tool to build, Config, and package and deploy an application project.
• Used Sub version to maintain different versions of application code.
• Developed full stack web applications in Ruby on Rails
• Integrated EJB 3.0 with JSF and managed application state management, business process management (BPM) using JBoss Seam
• Tested the web application and deployed on the Apache Tomcat web server and JBoss application server.
• Generating Hibernate mapping files and domains using tables.
• Bottle micro-framework implemented with RESTful service and used WADL (Web Application Description Language) for modelling the resources provided by the services and relationships between them.
• Junit is implemented along with Mokito to perform unit testing on our RESTful web application.
• Implemented JWT (JSON Web Tokens) for creating tokens to assert claims in the application and thus providing authentication of RESTful services.
• Modules for the Front-end are integrated to Back-end using Hibernate framework.
• Implemented Spring Batch for processing large volumes of records, including logging/tracing, transaction management, job processing statistics, job restart, skip, and resource management in the application using Quartz scheduler.
• Published message services using Spring AMQP's Rabbit Template and subscribes to the messages on a POJO using Message Listener Adapter
• Worked with Cassandra Node Connector for database persistence to interact with Cassandra NOSQL DB with Spring Data to unify and ease the access to Cassandra persistence stores.
• MySQL database used to load the application data and written PL/SQL procedures, complex queries to perform various data operations.
• Splunk is implemented in the application for log errors, exceptions, business logic and log analytics.
• Gradle build tool is used to deploy the application on the web servers i.e. JBoss.
• Integration of automation batch run job with Jenkins. Worked with Jenkins Continuous Integration and Continuous Deployment(CI/CD)
• Implemented Spring Cloud-Netflix OSS Stack along with using Ribbon for client-side load balancing, Netflix Zuul Api Gateway with Eureka service registry for reverse proxy infrastructure and Hystrix Circuit Breaker for fault tolerance

Environment: Angular JS, HTML5, CSS3, AJAX, Bootstrap, JSON, XML, Active MQ, JMS, Hibernate, DB2, SOAP-AXIS2, Restful services, JAX-RS SOA, Eclipse Java EE IDE Neon.3, Jenkins, Git, Log4j, DB2, Grunt, Jasmine, JBoss, Jenkins, Open Shift, Drools, Maven, TestNg, Protractor, Grunt, Selenium, Cucumber, WADL.

Java/J2EE Developer

Confidential - Texas

Roles and Responsibilities: -

• Provided ORM solution using Java Persistence API (JPA).
• Developed use cases, drawn sequence diagrams and class diagrams for the application and responsible for writing program and functional specifications.
• Involved in total Software Development Life Cycle (SDLC) of the application like Requirement gathering, Design, Analysis and Code development.
• Involved in user interface design and development using Struts tags, Servlets, JSP, HTML and JavaScript.
• Involved in development of the server-side business logic using Action Classes, Action Forms, Helper classes and DAO access layer classes.
• Involved in development of data access layer, which are java classes to encapsulate all database specific calls using JDBC API.
• Used Struts to implement the MVC framework for the presentation tier and Simplified client-side scripting of HTML using JQuery, a cross-browser JavaScript library.
• Designed and implemented Struts (MVC Paradigm) components such as Action Mapping, Action class, Dispatch Action class, Action Form, Dyna Action Form, Validation Framework, Struts Tiles and Struts Tag Libraries.
• Used JDBC API to connect to the database and Performed CRUD operations to get and check the data.
• Implemented different design patterns like Singleton, Factory, Data Access Objects and Front controller.
• Development of the complex SQL queries, stored procedures, and modifications to the existing database structure as required per addition of new features.
• Prepared EJB deployment descriptors using XML and Used JAXB components for transferring the objects between the application and the database.
• Worked on Consuming Service Oriented Architecture based Front Office Pricing Web service for accessing pricing data along with Volatility.
• Used Ant for building scripts process and wrote test cases using JUnit as a testing framework and SVN as a source version control to save the code.
• Used CVS for version control across common source code used by developers and Developed J-Unit test cases for all the developed modules.
• Designed and Developed interactive and dynamic front end web applications using HTML, Bootstrap and CSS.
• Developed SOA Web services above the data access layer and Developed applications using Ant as a build tool.
• Written Test cases and tested the application using JUnit testing framework and prepared the documentation.
• Involved in XML parsing by using SAX and Written Stored Procedures using Oracle.

Tools: and Methodology: - HTML5, Java 1.8, HTML, Java Script, Servlets, JSP, JDBC 3.1, JNDI, Spring 3.1, Web services, Oracle10g, SQL, PL/SQL, UML, XML, ANT, JUnit, Log4j and Linux.

Java/J2EE Developer

Confidential

Roles and Responsibilities: -

• Provided ORM solution using Java Persistence API (JPA).
• Worked on development of Hibernate, including mapping files, configuration file and classes to interact with the database.
• Designed and developed Hibernate configuration and session-per-request design pattern for making database connectivity and accessing the session for database transactions respectively.
• Involved in development of SOAP and REST webservices using JAX-WS and JAX-RS respectively.
• Used both Spring Core Annotations and XML based configurations for Dependency Injection.
• Used Spring Security for application security
• Using Spring AOP created the logging aspects for logging and auditing purposes.
• Developed Business Entities and Session Beans.
• Worked with profiling tools for performance optimization.
• Developed customized client code for consumption of SOAP and RESTful webservices.
• Coordinated with team members to resolved defects and resulting in a positive outcome using JIRA.
• Worked on spring security for Authentication purposes in the application.
• Internationalization implemented via message resource bundles in spring framework.
• Participated in development stages to learn and understand project requirements.
• Created and managed the development of complex SQL queries.
• Designed the user interface screen and its functionality as per user requirements and developed RESTful Web services in Mule ESB based on Service Oriented Architecture (SOA)
• Developed dynamic web pages using HTML5, CSS3, Bootstrap and AJAX.
• Effectively migrated the Angular 1.0 application to Angular 2.0 to use the enhanced features of type script, Angular Routers and Angular Components.
• Used Angular 2.0 to create views to hook up models to the DOM and synchronize data with server as a Single Page Applications.
• Effectively used Angular Directives, filters, declarative templates, service providers and context aware communication.
• Performed Angular JS end to end testing using Protractor framework.
• Worked on using Grunt used for concatenation, minification and running of unit test cases.
• Legacy Web Services Systems using SOAP (AXIS-2) is migrated and implemented using REST (Jersey extending the JAX-RS) with data representation in different formats such as XML and JSON.
• Implemented WADL configuration and API documentation for the understanding of Rest based Web services.
• Wrote custom marshaller for webservices in the application for converting in-memory object into persisting or transportable format.
• JAX-RS API generic and pluggable interface called MessageBodyWriter for doing the custom marshalling.
• Hibernate ORM framework is used to interact with database through Hibernate query language(HQL).
• DB2 database used to load the application data and written PL/SQL procedures, complex queries to perform various data operations.
• Message broker services are achieved in the application using Active MQ with JMS framework.
• Designed and developed the End Points (Controllers), Business Layer, DAO Layer using Hibernate/JDBC template, using Spring IOC (Dependency Injection).
• Involved in multi-tiered J2EE design utilizing Spring Inversion of Control (IOC) and Hibernate.
• Used Spring Framework AOP Module to implement logging in the application to know the application status.
• Build the application based on new features of Java Jdk 1.8 at service layer level and worked on Java 8 Streams and on lambda expressions
• Used RAML for API design and Document generation
• Designed and Developed Restful API's using API Designer; generated flows using RAML file.
• Experienced in end-to-end API Design and development using RAML 0.8/1.0, Swagger and Mule ESB, JEE, Spring Integration Framework.
• Working experience using web services and API's built on SOAP, REST, Node.js and using

  XML, JSON, YAML and design/modeling using Swagger 2.0.

• Implemented Batch jobs to deal with large number of chunks using Spring Batch Framework to execute the similar jobs simultaneously.
• Involved in installing and configuring Maven for application builds and deployment
• Developed user interface using JSP, JSP Tag libraries, third party libraries and Java Script to simplify the complexities of the application

Tools: and Methodology: - HTML5, CSS3, JavaScript, Bootstrap, Agile (SCRUM), TypeScript, Angular.JS, Node.JS, React.JS, Ajax, Hibernate, Spring, MongoDB, Spring Batch, Spring Boot, Spring Security, Servlet, XML, GIT, Spring MVC, JUnit, Maven, Web Services, Soap, Restful, Hibernate, DynamoDB, Docker, Terraform, Nginx, UNIX, PUTTY, Log4J, SOA, AWS, Micro Services, JIRA, Spring Security, Jenkins and STS.

Java Developer

Confidential

Responsibilities:

• Involved in developing the presentation layer for the project.
• Designed prototype for the project in JSP, Servlets, HTML /DHTML, CSS and JavaScript.
• Designed the application by implementing JSF Framework based on MVC Architecture
• Developed the statistics graph using JSP, Custom tag libraries, Applets and Swing in a multi-threaded architecture
• Involved in various phases of SDLC (Software Development Life Cycle) such as requirements gathering, analysis, design, modeling, and development.
• Developed the Enterprise Java Beans (Stateless Session beans) to handle different transactions such as bill payments to the service providers.
• Developed UI screens using JSP, JavaScript, JQuery, XHTML, and CSS.
• Implemented various complex SQL queries.
• Used SQL to access data from Microsoft SQL Server database.
• Proficient at building a single page application website using Angular JS.
• Designed test plans, scenarios, scripts, and procedures.
• Coordinate with onsite group for production issues, development and Testing.
• Involved in writing data extraction mechanism using JDBC.
• Installing and configuring Tomcat
• Written SQL for the data extraction from the My SQL database.

Environment: SQL, Java 1.3, Servlets 2.2, JDBC, JSP 2.0, Tomcat4.1, JSP, JQuery, JavaScript, HTML, CSS, core java, Microsoft SQL server data base, Eclipse 2.0, HTML