PROFESSIONAL SUMMARY:

• IT professional with 7+ years of experience in developing web based, SOA based and client/server applications in multi - platform environments with Java/J2EE technologies, Involved in all the phases of Life Cycle of Software Development (SDLC).
• Proficient with Software development methodologies like Agile (Scrum) Methodologies and Waterfall methodologies.
• Experience in developing the User Interface Rich Web Applications and Web Service Applications using User Interface Technologies like HTML, CSS, jQuery, Ajax Chrome-Developer Tools and Internet Explorer-Developer Tollbar.
• Experience in J2EE framework and design patterns as well as EJB, web services.
• Used the fundamentals of Java 1.8 like parallel streams and filters through Lambda expressions to handle the searching.
• Proficient in core java concepts like Collection Framework, Multi-threading, Generics, Annotations, Serialization, Thread pools, JavaBeans, Externalization.
• Good knowledge of data structures, algorithms, operating systems, and distributed systems fundamentals.
• Expertise in developing web-based enterprise applications using core Java, J2EE, Servlets, JSP, EJB, JMS, JDBC, JDWP, Hibernate, Web Services (SOAP and REST), MVC framework (Struts, Spring MVC), SQL and Object-Oriented Programming techniques.
• Experience in design and development of J2EE applications with Servlets, Struts, Spring Framework, Web Services (SOAP & REST), JDBC, Hibernate and IBatis.
• Experience in building web applications using spring framework modules like Spring ORM, Spring MVC, Spring DAO, Spring AOP, Spring Security, Spring Core, Spring IOC, Spring Boot, Spring Batch and Web Services using Eclipse and integration with Hibernate as well as Struts.
• Proficient in developing Web Services, related technologies &frame works: WSDL, SOAP, REST, JAX-WS, JAXB, JAX-RPC, AXIS and Jersey, SOAP UI and generating client’s client using Eclipse for Web Services consumption.
• Experience in implementing client - server business applications using Microservices.
• Implemented RESTful services with JAX-RS using Spring Boot and Micro Services Architecture.
• Developed multiple web pages using JSF and business logic using Java for multiple modules in the application.
• Experience with tools like Experience with Docker Images/containers and Kubernetes.
• Experience in creating real time data streaming solutions using Apache Spark and Kafka.
• Deployed Applications in cloud like Amazon Webservices and Pivotal Cloud Foundry.
• Experience in designing, developing, and deploying Java/J2EE applications on Web sphere, Web logic, Apache Tomcat and JBoss application Servers.
• Experience in using message brokers RabbitMQ.
• Working experience of Relational DBMS like MySQL, Oracle SQL (PL/SQL), SQL Server (MS SQL), DB2 and NoSQL DB like MongoDB.
• Experience in implementing Design Patterns like Singleton, Factory, MVC, Data Access Object and Business Delegate.
• Focused on Test Driven Development (TDD) thereby creating detailed JUnit tests for every single piece of functionality before writing the functionality.
• Configured and created application log files using Log4J to trace required application messages.
• Hands on experience in building tools like ANT, Maven, Gradle.
• Implemented the concept of Release branches for the project using GitHub.
• Actively involved in the DevOps streamlining process through Jenkins CI and CD Release Automation.
• Having Experience on UNIX commands and Deployment of Applications in Server.
• Ability to work effectively in cross-functional team environments and experience of providing to business users.
• Good understanding of Business workflow, Business logic and Business methods for further implementation of user requirements in a distributed application environment.

TECHNICAL SKILLS:

Languages: C, C++, Java, SQL, PL/SQL, Python, Test Driven Development.

J2EE Technologies: Servlets, Spring, Spring Boot 2.x, JSP, JDBC, JPA, JSTL, JNDI.

Web Technologies: HTML, CSS, XSLT, XML, jQuery, JavaScript, Angular JS, Angular, Node JS, React.js.

App/Web Servers: IBM WebSphere Application Server, JBoss, JBoss, WebSphere, Tomcat, Web Logic

Frameworks: Struts, Spring MVC, Microservices - MVC, JSP, JPA, JSF

SOA: REST, SOAP, WSDL, SAAJ, SAXJ, RESTful, AWS, Microservices, JAXB, Apache-CXF

ORM Tool: Hibernate, JPA, IBatis, MyBatis

Tools: LoadRunner, Log4J, Ant, BIRT, Jenkins, Kafka, Rabbit MQ.

IDEs: Eclipse, IntelliJ.

Databases: Oracle, MySQL, MSSQL Server, AWS, Couchbase, MongodB, Cassandra DB, PostgreSQL

Cloud Technologies: AWS (Elastic Search, EC2, S3, EMI, ELB, DynamoDB), Docker, Azure, PCF

XML Technologies: DOM, SAX, JAXP, JAXB, XML-RPC and XML Beans.

WORK EXPERIENCE:

Confidential

Java Full Stack Developer

Responsibilities:

• Actively involved in Analysis, Design, Development and Testing. Followed Agile methodology in the Scrum Cycle model where requirements evolve through collaboration between teams.
• Front-end use HTML, CSS, jQuery, to build a single page web app that communicate with back-end via RESTful API.
• Utilize React JS components, Forms, Events, Keys, Router, Animations, and Redux concept.
• UtilizedJava8features like Lambda expressions and Stream API for Bulk data operations on Collections which would increase the performance of the Application.
• Used J2EE design patterns like Adapter, Service locator, Session facade, Singleton, Factory and DAO.
• Used a Microservices architecture, with Spring Boot-based services interacting through a combination of REST and Spring Boot.
• Developed Spring Framework based RESTFUL Web Services for handling and persisting of requests and Spring MVC for returning response to presentation tier.
• Successfully designed and developedJava Multi-Threadingbased collector parser and distributor process, when the requirement was to collect, parse and distribute the data coming at a speed of thousand messages per seconds.
• Proficient in Object Relational Mapping (ORM) using Hibernate 4.x andJavaPersistence API Standard (JPA) for database mapping and data retrieval facilities.
• Developed different DAO Implementation using Spring JDBC Template to pre-populate the Run Details, notifications etc. at the start of the application.
• Used REST-Assured API framework to publish content and test multiple functionalities. Also, used tools like Postman, SOAP-UI, Swagger-UI for testing web services.
• Implemented Spring boot microservices to process the messages into the Kafka cluster setup and implemented Kafka producer and consumer applications with help of Zookeeper.
• For data migration from monolithic to Microservice application, we have used Kafka as our message streaming service and operated in two modes on-demand and batch migration.
• Secured the API's by implementing OAuth2 token-based authentication using spring security.
• Developed Data Access Object (DAO) interfaces using Hibernate to Interact with database.
• Provided connections using Spring Data JPA and Spring Data Cassandra to the database and developed SQL queries to manipulate the data.
• Worked on DevOps methodologies and Cloud infrastructure automation tools and engaged in a project to transform all the products into microservices in containers.
• Implemented the Docker containers for virtualization, Ship, Run and Deploy the application securely to fasten the Build/Release Engineering, and Virtualized the servers using the Docker for the test environments and dev-environment needs.
• Run Sonar Cube Analysis on Project and Publish report to Sonar Dashboard and integrate with Jenkins.
• UsedKubernetesto orchestrate the deployment scaling and management of Docker Containers.
• Used Jenkins pipelines to drive all micro services builds out to the Docker registry and then deployed to Kubernetes, Created Pods and managed using Kubernetes.
• Being a Software Engineer, participated in deploying the services/applications in AWS EC2 instances and Kubernetes as well by creating the pods for load balancing.
• Worked on spring cloud for configuration management and maintained the apps on AWS.
• Worked with executed unit test cases by using JUNIT for accuracy of code and logging with log4j.
• Worked on setting upMavenscripts to build, package, and deploy application code to the target Apache Tomcat and integrate with CI/CD pipeline with the configuration of GitHub version control.
• UsedGit as Version Control System for the application and JIRA as defect management.
• Worked with executed unit test cases by using JUNIT for accuracy of code and logging with log4j.

Environment: Java (1.8), J2EE, React Js, Microservices, Spring Core, Spring Boot, Spring Data, Spring cloud, Spring Batch, Spring Security, Oracle, Cassandra, RESTful, SOAP, Kafka, Swagger, Postman, JUnit, Mockito, TDD, Log4j, Splunk, AWS, STS, Apache Tomcat, Agile/Scrum Methodology, Maven, JIRA, GIT, Bitbucket, Jenkins.

Confidential, Atlanta, Georgia

JAVA Developer

Responsibilities:

• Designed and implemented the User Interface using JavaScript, HTML, XHTML, XML, CSS, JSP, and AJAX.
• Used Spring JDBC to execute database queries. Created row mappers and query classes for DB operations.
• Used spring framework for Dependency Injection and JDBC connectivity.
• Developed RESTful Web services client to consume JSON messages using Spring JMS configuration. Developed the message listener code
• Design HTML prototypes, visual interfaces, and interaction of Web-based design.
• Developed the business components using EJB Session Beans.
• Involved in developing business components using EJB Session Beans and persistence using EJB Entity beans.
• Involved in the development of the services layer using design patterns such as Session Façade, DAO, and Value Object etc.
• Worked on JBOSS locally and WebSphere in higher environments.
• Involved in development of custom Servlet handling HTTP request and response objects.
• Developed Web service modules based on SOA architecture to consume services.
• Involved in developing the DAO layer to interact with MySQL database.
• Configured Data Sources on the server for database connectivity.
• Developed SQL queries including joins, unions that perform data retrieval for the application, according to the business rules.
• Actively involved in code review, performance tuning and bug fixing phases.
• Used multithreading in programming to improve overall performance.
• Implemented modules using Core Java APIs, Java collection, Threads, XML, and integrating the modules.
• Involved sending JMS message queues to different layers in the module.
• Good team player with the ability to solve complex issues. Initiated team discussions to improve efficiency of the system.
• Hands-on experience working with version control tools such as SVN and JIRA as issue tracking software.
• Used Maven as the build tool and TortoiseSVN as the Source version controller
• Involved in the deployment of the application in the Integration and Implementation environment.
• Used Subversion (SVN) as the configuration management tool to manage the code repository

Environment: Java, PL/SQL, SQL, HTML, CSS 3.0, JavaScript, hibernate, Middleware Technologies, Ajax, Servlets, JSP 2.0, Web logic 10.4, J Boss, WebSphere, XML, XHTML, Eclipse, JMS, Oracle11g, EJB 3.0

Confidential, Dallas, TX

Java Developer

Responsibilities:

• Involved in Scrum calls, Sprint meetings and updated work status in Jira tool as part of Agile methodology.
• Utilized Java 8 features like Lambda expressions and Stream API for bulk data operations.
• Implemented Microservices Architecture and made REST API calls and parsed the data to client and handled the security using Spring Security and OAuth 2.0 authentication protocol.
• UsingHTML, CSS, JavaScript, Angular JS Involved in the development of user interface applications.
• Refactored existing monolithic application by identifying components needs to be transformed to Micro-services architecture, with Spring Boot based services interacting through a combination of REST, RabbitMQ.
• Designed and developed business components using Spring Boot, Spring Dependency Injection (Core), Spring AOP and Spring Annotations.
• Authored application usingSpring Cloud services (spring cloudversion of Netflix OSS-Eureka).
• Implemented Netflix-Eureka from Spring Cloud for dynamicMicroservices registry and discovery.
• Exposed the REST API through the Swagger tool and Swagger annotations.
• Worked on REST API and Elastic Search to efficiently handle and searching JSON data.
• Created and managed the messages asynchronously by creating queues on Rabbit MQ server and involved in implementing the client layer using Spring AMQP framework to consume messages.
• Experience in migrating data from Oracle database using Spring JDBC to Apache Cassandra (Datastax) NoSQL Database.
• Worked with NoSQL database to store JSON like dynamic connections data.
• Scheduled batch jobs using Spring Batch framework along with Quartz and Spring Task scheduler.
• Developed customized SQL for retrieving the data from the database.
• Created new tables, Stored Procedures, functions, views, indexes and constraints, triggers and required SQL tuning to reduce the response time in the application.
• Used SonarQube code quality tool to maintain the code quality with solid understanding of JVM and monitored its performance.
• Micro services development using spring boot and deployment in Pivotal Cloud Foundry (PCF).
• Working on spring cloud for configuration management and maintained the apps on Pivotal Cloud Foundry (PCF).
• Used JMS Messaging system to send/receive messages from MQ and differentiated them by using Apache Camel.
• Focused on Test Driven Development (TDD) thereby creating detailed JUnit tests for every single piece of functionality before writing the functionality and decoupled it by mocking the dependencies using Mockito framework.
• Involved in writingSQLandStored Procedures, functions and triggersfor handling complex queries with help ofTOADand access them through Java Programs fromOracle Database.
• 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).
• Monitored the error logs using log4j.
• Created Shell Script to invoke Java programs on UNIX batch platforms.
• Configured Kafka to read and write messages from external programs.
• Configured Kafka to handle real time data.
• Involved in production support, resolving the production job failures, interacting with the operations support group for resuming the failed jobs.

Environment: Java (1.8), J2EE, Angular JS, Spring Framework (Spring Security, Spring Boot, Spring Data, Spring Batch), Web services, RESTful, Microservices, OAuth 2.0, XML, JUnit, Mockito, TDD, Log4j, STS, Agile/Scrum Methodology, Oracle, PCF, Tomcat, Maven, JIRA, Git, Jenkins.

Confidential

Java Developer

Responsibilities:

• Analyzed and extracted the event flows of the UI layer code written in JavaScript, Struts, Java Applets and JSPs to come up with the sequence diagram for various transactions.
• Developed front-end using HTML, CSS, JavaScript, jQuery featuring the Implementation.
• Applied Struts features like Tiles and Validation framework.
• Designed and implemented Struts (MVC Paradigm) components such as Action Mapping, Action class, Dispatch action class, Action Form bean, and a form set for validation.
• Implemented MVC architecture by using Struts/Swings to send and receive the data from front-end to the business layer. Integrated the Struts and Hibernate to achieve Object-relational mapping.
• Used Apache struts to develop the web-based components and implemented DAO. Leveraged struts-validations, struts-beans tag libraries.
• Used Struts Action Servlet to route the request to corresponding Action Classes.
• Developed stored procedures, triggers, and functions for the application.
• Involved in designing data schema and development of SOAP web services with Axis implementation and REST web services with JAX-RS.
• Consumed SOAP and REST web services to get the persisted data from different databases.
• Configured Struts-Config. XML for action mappings.
• Involved in implementing Value Object Pattern, MVC & Factory Pattern.
• Deployed application into WebLogic Application Server.
• Used Subversion for version control management and consistently produced high quality code through disciplined and rigorous unit testing(JUnit).
• Analyzed the existing access system and re-designed it in Oracle by developing data validation and load processes using PL/SQL Stored Procedures, Functions, and Triggers to enhance and improve functionality requested by business for reducing manual processing time.
• Responsible for Code Reviews and PL/SQL Code Tuning.
• Involved in the overall system’s support and maintenance services such as Defect Fixing, Feature Enhancements, Testing and Documentation.
• Used JIRA for tracking bugs & Maven script for building and deploying the application.

Environment: J2EE, Web logic Application Server, JSP, Servlets, jQuery, Struts, Hibernate, SOAP, REST, Oracle, Maven, JUnit, and Subversion, PL/SQL, HTML, CSS, JavaScript, JSTL.