SUMMARY

• Over 8+ years of experience in analysis, design, implementation, and testing of Object - Oriented Applications in Client/Server environments using Java/J2EE.
• Experienced in Java Web-based, Desktop Based Development with Concepts of, Object Oriented Design (OOD), Object Oriented Analysis (OOA), Object Oriented Programming (OOP) and its implementation.
• Experience working with various Software Development Life Cycle (SDLC) methodologies based on Agile, Scrum, Waterfall Model, and Iteration.
• Expertise in design and development of various web and enterprise-level applications using Java/J2EE technologies Such as spring, Hibernate, Struts framework, EJB, Servlets 3.x.
• Experienced in Middleware persistence framework like Hibernate/JPA for mapping Java classes to thedatabase and using Hibernate Query Language (HQL).
• Experienced in Front End frameworks such as jQuery, Ajax, JavaScript, Nodejs, ReactJS, ReactJS, BackboneJS, and Angular JS.
• Experience in DOM manipulation using JavaScript and Angular JS.
• Experience in Core Java concepts such as OOP Concepts, Collections Framework, Exception Handling, I/O System, Multi-Threading, JDBC.
• Experience in developing with various open sources frameworks such as Spring (Core, IOC, AOP, Batch, Security, Boot) Framework, Struts Framework and ORM Tools like Hibernate and IBatis.
• Implemented various J2EE design patterns like Singleton, Session, Builder pattern, Factory.
• Experience in working with XML technologies like XML, XSL, XSD, DTD, XSLT and parsing XML with SAX& DOM parsers.
• Strong skills in RDBMS implementation and development using Oracle Servers and hands-on experience with SQL, PL/SQL.
• Experience in container-based technologies like Docker, Kubernetes and OpenShift along with the development of Microservices architecture using Spring Boot.
• Hands on Experience in AWS Cloud in various AWS Services such as Redshift, Cluster, Route53 Domain configuration.
• Experienced in setting up Amazon EC2 instances, virtual private cloud (VPCs), and security groups, Data Pipeline and Lambda. Setting up databases in AWS using RDS, storage using an S3 bucket and configuring instance backups to S3 bucket.
• Strong experience in TCP/IP packets, the packet analyzing using snoop, TCP dump and Wire Shark.
• Experience with setup and maintenance of WebLogic Server, Apache, Tomcat, LDAP.
• Implemented based on corresponding view components with view components JSP, Html, html5, CSS 3, XSD, XSTL.
• Hands on experience in implementing client-server business applications using MVC, SOA architecture and Micro Services.
• Proficient in Java Swing, AWT, SWT, JBoss, and Hibernate.
• Experienced in implementing Service-oriented architecture and Web Services using SOAP, RESTFUL.
• Solid Hands-on experience in end to end implementation of CI and CD (Continuous Delivery), DevOps processes using AWS Code Commit AWS Code Deploy, AWS Code Pipeline, Jenkins, and Ansible.
• Experience in handling messaging services using Apache Kafka
• Profound experience in creating real time data streaming solutions using Apache Spark /Spark Streaming, Kafka and Flume.
• Experience with Java 8 features such as lambda expressions, Parallel operations on collections and for effective sorting mechanisms and new Date Time API.
• Experience in developing and a solid understanding of Service Oriented Architecture and Microservices Architecture.
• Proven experience in writing Queries, Stored Procedures, Triggers, Cursors, Functions, and Packages using TOAD.
• Experience in software configuration management using CVS, SVN and IBM Clear Case.
• Hands on experience with build tools like ANT, Maven, Jenkins and logging tools like Log4J.
• Extensive experience in working on multiple operating systems including UNIX, Sun Solaris, Linux and Microsoft Windows.
• Goal oriented individual with excellent analytical, problem-solving, communication and interpersonal skills with the ability to interact with individuals at all levels and work independently.

TECHNICAL SKILLS

Languages: Java 8 (JDK), Java Swings, JSF, JUnit, Log4J, Ant, Maven.

Methodologies/Design patterns: OOAD, OOP, UML, MVC, DAO, Factory pattern, Session Façade, Singleton, Agile, Scrum, Test Driven Development.

Web Technologies: JSP, Servlets, AngularJs, jQuery, React.JS, Node.JS, EJB, Hibernate, Struts, Spring, JDBC, HTML5, DHTML and XML, CSS3, Web Services, WSDL, SOAP, MQ Series, Apache Camel, Kafka, Spring Boot, Express.js.

Web Services: SOAP, RESTful Web Services

Frameworks: Struts, Spring, Hibernate, Spring MVC, Spring Web Flow, Spring IOC, Spring AOP, Groovy.

Application/Web Servers: JBoss, Glassfish, WebLogic, Web Sphere, Apache Tomcat Server.

IDE Tools: Eclipse, Rational Application Developer (RAD) and NetBeans, STS.

Databases: Oracle 11g, MySQL, SQL, MongoDB.

Reporting/Messaging Tools: Crystal Reports, BO XI R3,Active MQ, Rabbit MQ.

Cloud: AWS.

Version Control Tools: CVS, SVN, Clear Case, Git.

Tools: Rational Rose, JBuilder, Visual Cafe, Visual Age Java, eclipse, MS-Office, Front Page, Ultra Edit, Clear Case, iReport.

Operating System: Windows, Linux, Unix, Mac, Solaris.

PROFESSIONAL EXPERIENCE

Confidential, Cleveland, Ohio

Java Developer

Responsibilities:

• Involved in the complete SDLC including the design of System Architecture, development of System Use Cases based on the functional requirements.
• Involved in Daily Scrum (Agile) meetings, Sprint planning and estimation of the tasks for the user stories, participated in retrospective and presenting Demo at end of the sprint.
• Used JSP, HTML5, CSS3, and JavaScript to construct the dynamic web pages (presentation Layer) for the application.
• Used AngularJS and Backbone.JS for client-side validation.
• Develop various screens for the front end using AngularJS and used various predefined components from NPM.
• Worked with core Java technologies like Multi-Threading and synchronization.
• Multithreading was used to process data in chunks to improve performance.
• Handed Java Multi-Threading part in back-end component, one thread will be running for each user.
• Developed internal coding using JEE technologies based on the MVC Architecture.
• Implemented Business Logic using Java, Spring MVC, and Hibernate.
• Implemented RESTful Web services to retrieve data from the client side and made REST API calls from Angular JS and parsed the data to project to the client and handled the security and Authorization using Spring Security and OAuth.
• Developed user interface by using the ReactJs, Redux for SPA development and implemented client side Interface using ReactJs.
• Developed reporting dashboards, which processes large amount data that are stored in Elastic Search and My SQL platforms and generates reports and displays in dashboards.
• Integrated the Java code (API) in JSP pages and responsible for setting up the AngularJS framework for UI development. Developed HTML views with HTML5, CSS3, Bootstrap and AngularJS.
• Developed Business objects using POJOs and data access layer using Hibernate framework.
• Achieved Dependency injection by creating Spring services, Spring controllers and DAOs to wire objects of business classes.
• Implemented DAO pattern to fetch data from database using Hibernate to carry out various database operations and avoid redundant database access statements.
• Designed and developed business components using Spring Boot, Spring Dependency Injection (Core), Spring AOP and Spring Annotations.
• Developed reports include Invoice Printings and Patient profiles. Assigned as lead developer throughout the design, analysis and coding phase of a Claims Processing System.
• Used Hibernate Transaction Management, Spring/Hibernate Batch Transactions and Hibernate cache concepts.
• Real time streaming the data using Spark with Kafka
• Cofigured Spark streaming to receive real time data from the Kafka and store the stream data to HDFS using Scala.
• Configured Kafka to handle real time data.
• Defined AWS Security Groups which acted as virtual firewalls that controlled the traffic allowed reaching one or more AWS EC2 instances. Experience in creating alarms and notifications for EC2 instances using Cloud Watch.
• Used a Microservices architecture, with Spring Boot-based services interacting through a combination of REST and Spring Boot.
• Used Microservices are designed with the individual database and project with no dependencies.
• Used Spring Data Framework to use the features of Spring JDBC and Spring ORM classes like JDBC Template and Hibernate Template to perform the database operations by connecting to Data sources available.
• Removed all the XML based configurations required to build the MVC application and maintained in the classes using Spring Boot.
• Developed user interface as JSF, prime faces, HTML and CSS and Bootstrap with custom tag libraries using JSF Framework.
• Used Microservices to communicate using synchronous protocols HTTP and REST.
• Implementing or exposing the Microservices based on RESTful API utilizing Spring Boot with Spring MVC.
• Developed and used REST web services for the reporting framework.
• Focused on Test Driven Development thereby creating detailed JUnit tests for every single piece of functionality before writing the functionality.
• Developed build and deployment scripts using Maven as build tools in Jenkins to move from one environment to other environments.
• Responsible for configuring Continuous Integration Server i.e. Jenkins and SonarQube.
• Used MongoDB as data storage and utilized aspects like replica sets, Sharding, and clever document design to make service extensible scale and feature wise.
• Implemented and maintained the monitoring and alerting of production and corporate servers/storage using AWS Cloud Watch.
• Used JIRA ticketing system to keep track of issues and tasks on individuals.

Environment: Java, J2SE, HTML5, CSS3, jQuery, Ajax, Angular JS, Bootstrap, Node JS, JSON, J2EE, Spring Framework, Spring MVC, Spring Security, Spring Boot, Spring Data (Spring JDBC, Spring ORM), JSP2, Hibernate, Kafka, Garbage Collection, WebSphere, SonarQube, JBoss, JUnit, TDD, MongoDB, Microservices, Github.

Confidential, Newark, NJ

Java Developer

Responsibilities:

• The application architecture of the System is based on Spring MVC (Model View Controller) and JEE specifications.
• Implemented various features of spring framework such as Dependency Injection, IOC, Annotations, and Spring integration with Hibernate.
• Good knowledge of Spring& IOC, AOP, Spring MVC and springs integration with Hibernate and Struts technologies.
• Designed and developed a RESTfulservice interface using Spring MVC to the underlying customer event API.
• Experienced in writing JUnit Test cases for Java and JEE applications.
• Worked on Spring Security for application authentication.
• Manage, integrate and secure artstore's services in the cloud (AWS, Cloud Bees, JIRA etc.).
• Good experience with CassandraNoSQL Database.
• Implemented the RESTAPIs and data transformers using the Java connector which involves the use of JAVA8 features Lambda and Streams.
• Identifying appropriate AWS service based on computer, data availability, security requirements and storage.
• Created UI for API data presentation using ReactJS.
• Gave tutorials to team mates on fundamentals of ReactJS.
• Enhanced and debugged existing ReactJS project.
• Implemented application security including User Management, LDAP authentication, authorization (users have restricted access to app components according to their permissions)
• Implemented a role-based security system for web-based administrative applications
• Implementing security Single Sign-On application to share user management, authentication, and authorization among multiple applications.
• Good understanding of the principles and best practices of Software Configuration Management (SCM) in Agile, Scrum methodologies.
• Developed a new NodeJS middleware by integrating AngularJS into the new API micro-services through the EAN (Express JS, AngularJS, and Node.JS.) stack. These NodeJS apps will be within Docker containers.
• Involved in integrating Leaflet/Map box API.
• Performed dependency injection of spring beans such as data source beans or Hibernate utility singleton bean to create one session factory for the entire application.
• Developed the User Interactive NodeJS Restful API Web Application navigation tool like Maps API using Leaflet.JS for front-end regional mapped area.
• Used Spring MVC to develop application architecture and JDBC to interact with Database. Also used Ajax to communicate with DB for certain functionalities.
• Ability to design application on AWS taking advantage of Disaster recovery.
• Configured AWS Identity Access Management (IAM) Group and users for improved login authentication.
• Experience in working with Spring Quartz framework and developed various quartz jobs.
• Generating Dashboard through Splunk. Hands on experience with Searching and Reporting with Splunk.
• Responsible to support the operations, monitoring, reporting according to the requirement of the higher management team by making Splunk Dashboards.
• Worked on spring boot, Spring Rest full template to develop Application Level Micro Services.
• Implemented Micro Services based Cloud Architecture on AWS Platform and Cloud Foundry.
• Implemented Hibernate Template to great extent making use of HQL, Named Parameters, Named Queries and interfaces such as Expression, Query, and Criteria.
• Implemented and developed UI components using Angular JS features like Dependency Injection, Models, data binding, and controllers.
• Administered and deployed applications into WebSphere Application Server.
• Used Java Messaging Services (JMS) for the reliable and asynchronous exchange of important information such as payment status report.
• Worked with JAXB, SAXP and XML Schema for exporting data into XML format and importing data from XML format to database and JAXB in the web service request response data marshaling as well as the unmarshalling process.

Environment: Java, Spring, Hibernate, Eclipse IDE, Spring batch, Spring quartz, Spring security, Spring Boot, JPA, Java Scripts, AngularJS, HTML 4.0, CSS, JMS, JAXP (SAX & DOM), Oracle 11g, WebSphere Application Server, Eclipse/RAD, Oracle 11g, SOAP, RUP, Maven, log4j, Junit, XML, Web Services, ILog, JRules 5.0, Splunk, GIT.

Confidential - Boston, MA

Java Developer

Responsibilities:

• Involved in software development life cycle (SDLC), which includes requirement-gathering, design, coding, testing.
• Designed and developed Business Services using Spring Framework (Dependency Injection) and DAO Design Patterns.
• Deployed Spring Boot based Microservices Docker and Amazon EC2 container using AWS admin console.
• Developed Project Specific Java API's for the new requirements with the Effective usage of Data Structures, Algorithms, and Core Java, OOPS concepts.
• Developed web service for web store components using RESTful API using Java & Spring.
• Having Experience in SOAP and Spring MVC.
• Good Hands on Experience on JBOSS server.
• Experienced in developing web-based applications using CSS, HTML, JavaScript, jQuery, UML
• Experience in Object Oriented design, Systems Analysis, Software &Web Application development.
• Experience in implementing the Object-Oriented Programming Concepts and collections framework i.e. HashMap and Hashtable.
• Developed NodejsRESTful services. ReactJS frontend web application development.
• Developed business modules using Hibernate&Springframework technologies.
• Having Knowledge of Amazon Web Services (AWS).
• Created and modified Complex SQL Commands.
• Hands-on Experience with XML, JSON, RESTful Web Services.
• Responsible for analysis, design, development and integration of backend components using J2EE technologies such as springs and Spring JDBC and EJB's.
• Actively involved in requirements gathering, Analysis, Conceptual Design.
• Analyzing the execution plan and choosing the optimized query for the DB operation using SQL Developer.
• Having Experience on Oracle 11g, MS SQLServer and MYSQL
• Implemented agile methodology throughout the project development lifecycles.
• Responsible for analysis, design, development and integration of backend components using J2EE technologies such as springs and Spring JDBC and EJB's.
• Extensive use of J2EE and EJB3 and JPA.
• Implemented Microservices architecture using Spring Boot for making application smaller and independent.
• Designed and developed Business Services using Spring Framework (Dependency Injection) and DAO Design Patterns.
• Developed Project Specific Java API's for the new requirements with the Effective usage of Data Structures, Algorithms and Core Java, OOPS concepts.
• Developed web service for web store components using RESTful API.
• Used XML, XSD and JSON messages for Data transfer. Used JAXB API and DOM for XML parsing messages.
• Developed application Specific thread safe XML APIs, XML Document Builder and parser utils, validators using java DOM Parser which is used among the components.
• Implemented Business logic in the middle-tier using Java classes, Java beans.
• Created and modified Complex SQL Commands.
• Database designing and tables, master data creation in the database.
• Extensive use of Google Web Toolkit (GWT) for designing the webpages.
• Extensive use of Appwatch MQ for interaction between components and Dev to Dev testing.
• Involved in configuring Web.xml, Springs-context.xml.
• Used Soap UI for Dev to Dev testing.
• Good in writing build files with ANT, Maven.
• Used Sonar for maintaining the code quality and JUnit code coverage.
• Created and Modified Jasper Reports and having good Knowledge ofJasper server.

Environment: JDK, J2EE, JDBC, Servlets, Spring, Spring MVC, Spring JDBC, EJB, Jasper Reports Server, XML, Hibernate ORM, HTML5, GWT, SQL Server Management Studio, XSD, JBoss Studio, JBoss Server, SVN, Maven, Windows OS, Log4j, Junit,, JIRA.

Confidential - NC

Java Developer

Responsibilities:

• Participated in requirement gathering and framework implementation sessions through Agile TDD methodology.
• Used Grails Framework for designing the layout of the application in MVC pattern
• Client pages are built using HTML, CSS, JSP, JavaScript/jQuery.
• Worked on Groovy and Grails Tool Suite(GGTS) for developing the legacy application.
• Integrated the Front-End code at Back End with Groovy and Grails in IDE.
• Used Gradle for build framework and Jenkins for the continuous build system
• Involved in creating the Hibernate POJO Objects and mapped using Hibernate Annotations.
• Implemented Audit History and Annotations for Views and Messages
• Learnt ReactJS and created basic UI elements using Reactjs.
• Worked on Angular JS, used its two-way data binding to achieve the feedback functionality from the user
• Integrated GSP pages with Bootstrap files for rich User Interface.
• Implemented the project by using Spring Web MVC.
• Implemented the online application by using Core Java, JSP, Servlets, Web Services, SOAP, and WSDL.
• Implemented Singleton, factory design pattern, DAO Design Patterns based on the application requirements.
• Tested the Service classes and DAO Classes by using Unit Test Cases
• Integrated REST Web Services with services and DAO layer.
• Implemented complex queries with Hibernate for the DAO layer.
• Implemented DAO layer using JPA (Hibernate framework) to interact with the database.
• Created Domains, Controllers, Views and Service layer for the pages in the application.
• Responsible for coding, testing and documenting various packages, procedures, and functions for libraries.
• Worked on configuring Spring Boot where it adds all the dependencies that are required.
• Configured WebSphere resources like JDBC providers, JDBC data sources, connection pooling
• Prepared Documentation for the Project requirements and Application development.
• Responsible for testing the controllers with Unit Test Cases and to test the Service layer using Integrated Test Cases.
• Involved in making some static changes to the old application of CWO which is built on Ruby and Rails.

Environment: Java, Groovy J2EE, JavaScript, HTML5, CSS3, Angular.js, Spring, Hibernate, Grails, REST, jQuery, AJAX, ExtJS, JavaScript, JSP, SERVLET, MySQL DB, Oracle, CRUD, PL/SQL, JDBC, NodeJS, MongoDB, UML, IntelliJIDEA, Junit, Gradle, Sequel Pro, Tomcat, Agile.