PROFESSIONAL SUMMARY:

• Over 8 years of professional IT Experience in all phases of Software Development Life Cycle (SDLC) Process across various workflows (Requirement study, Analysis, Design, Coding, Testing, Deployment and Maintenance) in various web Applications using JAVA/J2EE technologies.
• Experienced working with different Software methodologies like Agile Scrum, Agile Kanban and Waterfall model.
• Expert in Core Java with strong understanding of Collections, Multithreading, Exception handling, Garbage Collector and Generics.
• Extensive experience working on Java, J2EE and web - based technologies like Struts, Java Server Pages (JSP) , Java Beans, Java Server Faces (JSF), Enterprise Java Beans (EJB), Servlets, Log4j, JDBC, HTML, JavaScript and CSS.
• Expertise and knowledge and working with frameworks like Spring Core, Dependency Injection(DI), Spring MVC, SpringData (Spring JDBC, Spring ORM), Spring Boot, Spring Batch, Spring Security, Hibernate and iBatis.
• Experience on Relational DBMS like MySQL, Oracle SQL (PL/SQL), SQL Server (MS SQL), DB2 and NoSQL DB like MongoDB.
• Experience in container-based technologies like Docker, Kubernetes and OpenShift along with development of Microservices architecture using Spring Boot.
• Experience in design and development of robust and highly scalable web service platforms and API’s based on REST and SOAP for applications using AXIS, WSDL, UDDI, XML, JAX-WS, JAX-RS, JAXB, JAX-RPC technologies.
• Proficiency with the application servers like Tomcat, WebSphere, WebLogic, and JBOSS.
• Experience in working with AWS (Amazon Web Services), EC2, RDS, Dynamo DB, S3, Cloud Formation templates.
• Defined AWS Security Groups which acted as virtual firewalls that controlled the traffic allowed reaching one or more EC2 instances.
• Configured AWS Identity and Access Management (IAM ) Groups and Users for improved login authentication.
• Experience in installing the application on AWS EC2 instances and configured the storage on S3 buckets .
• Extensively worked on Pivotal Tracker and JIRA tools for tracking stories in a Project.
• Experience in Front-End UI development skills using scripting languages like HTML5, DHTML, CSS, JavaScript, JQuery, JSON, AJAX, Node JS, Angular JS, Backbone JS, Bootstrap, Tag Libraries, JSTL.
• Experience to setup, configure continuous build processes using Jenkins, Puppet, Maven, Ant, Gradle, Docker, and Bash.
• Experience with Selenium, JUnit, Mockito, Log4j in developing test cases and determining application functionality.
• Experience in development, deployment and troubleshooting Web based and enterprise-based applications on Windows, UNIX and Linux platforms.
• Performed unit testing using JUnit, integration and deployment of applications done using tools such as ANT and Maven and debugging through Log4j.
• Proficient in SQL and writing Stored Procedures, Triggers besides writing DDL, DML and transaction queries with development tools like TOAD.
• Pro-actively identify, troubleshoot and resolve live MongoDB issues .
• Worked on MongoDB database concepts such as locking, transactions, indexes, Sharding, replication, schema design, etc.
• Wrote services to store and retrieve user data from the MongoDB for the application on devices.
• Experience in software configuration management using CVS, TortoiseSVN, PVCS, GitHub and IBM Clear Case.
• Experience in Agile software development process, Test Driven Development and Test First Methodology
• Expertise in using and developing environment tools of Java including Eclipse, Spring Tool suite, RAD, Net Beans, WSAD.
• Hands on experience in working with Junit, Mockito, Groovy Spock and TestNG.
• Experience with Windows, UNIX operating Systems.
• Excellent communication, teamwork, inter-personnel and presentation skills, fast learner and organized self-starter.

TECHNICAL SKILLS:

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

J2EE Technologies: JSP, JMS, Java Servlets, JDBC, Struts, Spring Core, Spring (Core, MVC, DAO, JPA, AOP, Security, Batch), JSF.

Web Services: SOAP, Spring REST, JAX-RPC, JAX-RS, JAX-WS.

Database: MySQL, Oracle, MongoDB, DB2, Microsoft SQL Server.

Web Technologies: HTML, CSS, DHTML, XML, XSL, XHTML, SOAP, WSLD, JSON, AJAX, Schema Modelling, JQuery, Bootstrap, AngularJS.

ORM Frameworks: Hibernate, JPA, Spring JPA, DAO.

Tools: Eclipse, JBuilder, IBM RAD and NetBeans, Intellij, MS Visio, Rational Rose Enterprise, Log4J, SLF4J, Swagger, Maven, Ant, Jenkins, Gradle, Apache Solr.

Version Control Systems: Git, Rational ClearCase 7.0, 7.1, SVN (Apache SubVersion), CVS (Concurrent Versions System).

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

Application Servers: Oracle WebLogic, IBM WebSphere, JBoss, Glassfish and Apache Tomcat.

OS & Environment: Windows, UNIX, Linux, OSX

Design Patterns: MVC, Front Controller, Factory Pattern, Transfer Object Pattern, Singleton, Business Delegate and DAO patterns

PROFESSIONAL EXPERIENCE:

Confidential

Sr. Java Developer, Cincinnati, Ohio

Responsibilities:

• Active in the analysis, definition, design, implementation and deployment of full softwaredevelopment life-cycle (SDLC) of the project.
• Involved in complete development of ‘Agile Development Methodology/SCRUM’ and tested the application in each iteration.
• Implemented various standard J2EE design patterns ( Singleton, Factory, Data Access Object, MVC, Front Controller ).
• Used Collections, abstract classes, interfaces and multithreading concepts extensively for the business logic.
• Developed various J2EE components like Servlets, JSP, JSTL, AJAX, SAX, XSLT, JAXP, JNDI, JMS, and MQs.
• Worked on service-oriented systems that utilize REST web frameworks, SOAP and message queue technologies (Spring MVC4, Spring REST Template, Rabbit MQ, AMQP server, Spring Integration).
• Developed Single Page Applications (SPA) using Angular 2, Typescript, HTML5, CSS3, and Bootstrap 3.
• Excellent knowledge on Spring Core such as Dependency Injection, Annotations and XML based Configurations.
• Hands-on experience with Spring AOP using Advice, Aspects and AOP Processor.
• Involved in writing Spring Configuration XML , file that contains declarations and business classes arewired-up to the frontend managed beans using Spring IOC pattern . Spring ORM to integrate SpringFramework with hibernate and JPA.
• Developed Micro Service to provide RESTful API utilizing Spring Boot with various data persistence frameworks such as Hibernate and JPA and messaging engines.
• Developed server-side application to interact with database using Spring Boot and Hibernate .
• Developed POJOs for Data Model and made individual HBM records to delineate Java Objects with Relational database tables.
• Used Rest Controller in Spring framework to create RESTful Web services and JSON objects for communication.
• Designed and developed RESTful Web services using JAX-RS library and used Postman to test the web services.
• Re-write of JAX-WS and JAX-RS web services to Spring Boot Restful web services and translate Java based ElasticSearch and MongoDB ingest modules to Spring Boot .
• Involved and developed strategy for integrating internal security model into new projects with Spring Security and Spring Boot.
• Worked with different tools and services from the AWS suite including S3, SQS, AWS Lambda, EMR, Elastic search, Dynamo DB .
• Built AWS infrastructure using various resources like VPC, EC2, S3, IAM, ECS, EBS, Security Groups, Auto Scaling.
• Used shell scripts to maintain production and test AWS EC2 instances.
• Deploy and maintain Spring Cloud with Pivotal Cloud Foundry on AWS Cloud
• Translate traditional SQL data structures to NoSQL ElasticSearch indexes.
• NoSQL operations and cache with Elastic-Search and MongoDB . Created different customized application roles to maintain security across the mongo cluster.
• Add / remove replica and shard nodes in MongoDB Cluster as needed.
• Experienced in implementing presentation layer using JSF, JSP, HTML, CSS, JQuery, JavaScript, AngularJS, JSON and Servlets .
• Used HQL and SQL as the query languages in Hibernate Mapping . Integrated the Spring and Hibernate framework.
• Created tables, stored procedures in SQL for data manipulation and retrieval, Database Modification using SQL, PL/SQL, Stored procedures, triggers, Views in Oracle 12c.
• Used Apache Activemq to support asynchronous messaging architecture and enable decoupling of various sub systems of the application.
• Responsible to create, analyze, and manage APIs in a secure and scalable environment.
• Involved in CI/CD process using GIT , Jenkins job creation, Maven build and publish, and implementation.
• Used GIT as the version control tool and configured logging in the application with Log4j .
• Leveraged Mockito/Junit for writing unit tests
• Developed Unit test cases using JUnit and involved in User Acceptance Testing(UAT) and Bug Fixing.
• Worked with IDE as IntelliJ and deployed into Apache Tomcat Server and WebSphere Application Server.

Environment: Java 1.8, J2EE, Microservices, Spring Beans, Spring Boot, Netflix Stack, Spring IOC, Hibernate, Spring Security, Spring Batch (Quartz Scheduling), Jersey Rest Services, SOAP Services, Angular JS, javascript, WSDL, XML, XSLT, XSD Schemas, Postman, Apache JMeter, JProfiler, AWS (Amazon Web Services EC2, RDS, S3), Oracle EBS, PL/SQL, Mongo DB (NoSQL), Spring Tool Suite, Maven, Log4j, GitHub, WebSphere.

Confidential

Java/J2EE Developer, Minneapolis, Minnesota

Responsibilities:

• Involved in all phases of the Software development life cycle (SDLC) using Agile Methodology.
• Implemented SOA architecture with Webservices using SOAP, WSDL, UDDI and XML using CXF framework tool/Apache Commons. Worked on parsing the XML files using DOM/SAX parsers.
• Developed Use Case Diagrams, Object Diagrams and Class diagrams in UML using Rational Rose.
• Used AJAXAPI for intensive user operations and client-side validations.
• Developed the application using JSF, MVC Framework.
• Involved in writing Spring Configuration XML file that contains declarations and another dependent object declaration.
• Developed user interface using JSP, JSP Tag libraries and Java Script to simplify the complexities of the application.
• Developed Web services using Apache Axis SOAP engine that would be exposed to external applications to retrieve data from e-Client servicing platform
• Worked in development of web services for business operations using SOAP, WSDL, JAX-WS, JDOM, XML, XSL and Apache CXF.
• Implemented RESTful Web services to retrieve data from client side and made REST API calls from Angular JS and parsed the data to project to client and handled the security and Authorization using Spring Security LDAP.
• Inserted Dependency Injection between components using Spring (IOC) concept.
• Implemented WMQ for provisioning using the Spring JMS Listeners parsed the XML message.
• Spring annotations (Controller) mechanism to create RESTFUL applications.
• Implemented Asynchronous messaging between components using JMS.
• Used multithreading in programming to improve overall performance using Singleton design pattern in Hibernate Utility class.
• Implemented routing logic and navigation from screen to screen and implemented login functionality on the client side in Angular JS
• Involved in the Development of Spring Framework Controllers . Developed Controller for request, response paradigm by Spring Controllers using Spring MVC .
• Create the data access layer for the application to interact with the database using the Object Relational Mapping frameworks such as Hibernate and JPA.
• Designed and developed Hibernate DAO’s using spring framework’s Hibernate Dao Support and Hibernate Template.
• Developed Micro Service to provide RESTful API utilizing Spring Boot with Spring MVC .
• Developed User preference service to save/retrieve preferences from Cassandra database.
• Experience in AWS services such as EC2, ELB, Auto-Scaling, S3, IAM, VPC, RDS , DynamoDB , CloudTrail, CloudWatch , Lambda, Elastic Cache , Glacier, SNS, SQS, CloudFormation , CloudFront, Beanstalk , EMR, AWS Workspaces.
• Worked on migration project of moving current applications in traditional datacenter to AWS .
• Experience with configuration and monitoring distributed and multi-platform servers using Chef in AWS Cloud Environment.
• Build Docker images ; create build and deployment configurations to deploy applications on OpenShift .
• Involved in creating various Data Access Objects (DAO) for addition, modification and deletion of records using various specification files.
• Configured various interceptors for transaction management, security, Audit logging (database) and logging using Spring AOP.
• Developed Ant Scripts for the build process and deployed in IBM WebSphere.
• Involved in developing User Interface (UI) with HTML, CSS, JavaScript, DOJO, JQuery, JSON and JSF
• Used Apache HTTP server as the web server to serve the http requests to the JBoss application server.
• Integrated middleware components with external systems like LDAP, Kafka, Database (Oracle, MongoDB, Cassandra) through SOAP services, rest services
• Get the JSON data from Elastic Search and passed to request Clients.
• Worked on Swagger spec to create API using a specific JSON schema that outlines the details of the API .
• Develop SQL queries to interact with the Oracle database to store, retrieve and update the data. Spring integration with ORM tools like Hibernate.
• Researched deployment of a Dockerized RabbitMQ in OpenShift so that we might use the auto-scaling capabilities of OpenShift with a Rabbit MQ cluster .
• Used RabbitMQ to route our JMS queue messages to different business floors and configured routes in RabbitMQ and used RabbitMQ in e-mail notifications.
• Involved in Bug fixing of various modules that were raised by the testing teams in the application during the Integration testing phase.
• Implemented PL/SQL procedures and views in Oracle Database.
• Implemented Log4J for Logging Errors, debugging and tracking using loggers, appenders components.
• Created combined deployment descriptors using XML
• Developed and used Maven for compiling and building the applications.
• Work with the Atlassian tools such Git/Stash , JIRA and Crucible for store and share the application code, issue tracking and code reviews respectively.
• Developed unit test cases on Junit framework for unit testing .
• Used mocking frameworks like Mockito and Power Mockito .

Environment: Java 1.7, J2EE, XMI, JSF, Hibernate, SQL, PL/SQL, Microservices, Spring Batch, Spring web services, Spring core, Spring JDBC, Spring, Spring JMS Listeners, Oracle, XMI, CSS, Log4j, Subversion, JQuery, SOAP, WSDL, JAX-WS, JDOM, XML, JSON, UML, Junit, RabbitMQ, XSL and Apache CXF, Angular JS, Bootstrap, AWS EC2, S3, RDS, ELB, IAM, JBoss Application Server, Maven, Eclipse, JIRA.

Confidential

Java/J2EE Developer, Riverwoods, IL

Responsibilities:

• Involved in entire SDLC activities of the project including requirement gathering, analysis, design and development and testing
• Involved in Object analysis, design and documentation of the application model using UML.
• Implemented Authentication, Upload, Report and Logout processes. Supports Multipart file upload.
• Followed model, view and controller architecture (MVC) for the project development.
• Developed the Presentation layer using Struts MVC. Implemented and maintained AJAX based rich client for improved customer experience.
• Involved in component development using J2EE principles and used design patterns such as Singleton, Factory and Data Access Object (DAO) in the implementation of the application
• Developed code using servlets API and Java API.
• Developed common reusable component libraries (CRUD Scaffolding) to be reused in different projects throughout the company's IT team using GWT, Spring data, JPA .
• Experience with SQL and basic CRUD operations
• Used Hibernate as Persistence tool to interact with Persistent database Oracle.
• Used Javascript, JQuery, JSTL, CSS and Struts 2 tags for developing the JSP’S.
• Implemented the page GUI pages by using AJAX to asynchronous communication.
• Designed UI using JSP and HTML and validated with JavaScript for providing the user interface and communication between the client and server.
• Implemented MVC architecture by developing struts framework .
• Struts Validator framework is used to do client-side validation.
• Work with the Atlassian tools such Git/Stash , JIRA and Crucible for store and share the application code, issue tracking and code reviews respectively.
• Created a service account admin user under "Service Account" group, which was used by the RSF (Reporting Services Framework) to create users, edit users, delete users, login to and logout and perform some other tests (defined in the framework source code) automatically in "Application Users" group, under which we had five distinct groups corresponding to five different applications.
• Implemented the Spring dependency injection of the Database helper instance to the action objects.
• Used AJAX, DOJO, Java script, Spring and GWT to create interactive user interface.
• Wrote Action classes, Business Objects and Service classes .
• Configured Struts-config.xml with all the mappings required by the architecture.
• Used Struts tag libraries in the JSP pages .
• Involved in developing custom taglibs, JSP, Servlets, EJB's, Portlets and DB2 - stored procedures
• Created detail design documents which has the UML Design diagrams, table information, object model etc which are required for the developer
• Core developer of the application infrastructure using GWT as the front-end.
• Developed the application under J2EE Architecture using Spring, Struts, Hibernate, Servlets, Web logic and JSP .
• Developed web-based customer management software using JSF .
• Used Maven for building and deployment purpose.
• Involved in CI/CD process using GIT , Jenkins job creation, Maven build and publish, and implementation.
• Used Object/Relational mapping Hibernate framework as the persistence layer for interacting with DB2.
• Developed EJB components (Session Beans, Entity beans) using EJB design patterns to business and data process.
• Wrote JMS classes to communicate with MQ series deployed at Credit Card Issuing agency (VISA, MASTER).
• Created and executed unit test cases by using Junit framework and logging with log4j.
• Implemented SOAP web services using apache axis. Used SoapUI for web services testing.
• Worked with IDE as Eclipse Indigo and deployed into Tomcat Server& used ant build tool to achieve more functionality for build process.
• Responsible for CI builds and integration of development stream in SVN.

Environment: Core Java, Java, J2EE (JSP &Servlets), HTML, CSS, JSTL, JQuery, Hibernate, apache axis, web services, XML, UML, Testing, JBoss, Tomcat, EJBs, Spring, Spring data, spring MVC, GWT, JPA, Perl, Ajax, JIRA, Git, Struts, Eclipse Indigo, Ant, SVN, Oracle, SoapUI, Mantis.

Confidential

Java Developer

Responsibilities:

• Involved in all phases of Designing and Development of application.
• Created Class diagrams and Use Case diagrams from design specification using Rational Rose .
• Worked in Waterfall Methodology and involved in the project discussions.
• Implemented action classes, form beans and JSP pages interaction with these components.
• Designed and developed the application using Struts Model View Controller (MVC) design Pattern.
• Developed Struts Action Forms , Action classes and templates and performed action mapping in struts.
• Develop GUI related changes using JSP, HTML and client validations using JavaScript.
• Coded JavaScript for AJAX and client-side data validation.
• Extensive use of EJBs for middle tier component to implement the business logic.
• Developed an automated application using JMS for messaging and JNDI to interact with the Server.
• Implemented Service locator pattern to invoke EJBs through Struts.
• Used JMS API for asynchronous communication by putting the messages in the Message queue.
• Configured the data mapping between Oracle and SQL Server and tested performance accuracy related queries under SQL Server.
• Extensively used the JDBC Prepared Statement to embed the SQL queries into the java code.
• Implemented logging using log4j .
• Used CVS for version control.
• Tomcat Application Server was used for deploying the application.
• Created SQL queries, PL/SQL Stored Procedures and Functions.

Environment: Java, J2EE, JSP, Struts, DB2, HTML, CSS, EJB, JMS, SQL, XML, ANT, AJAX, Rational Rose, Javascript, Eclipse, SOAP, Apache Tomcat, Oracle, LOG4J, CVS, SVN.

Confidential

Jr. Software Developer

Responsibilities:

• Actively involved in the Requirement gathering for the enhancements to the existing project.
• Developed the application using Spring MVC framework and IOC for dependency injection.
• Java / J2EE Development , in an enterprise setting - HTML5, JSP, jQuery, JavaScript, CSS, JMS .
• Designed RESTful web services with JSON representation for handling AJAX requests Used Advanced Rest Client plug-in to run the rest API's on localhost Tomcat Server for Unit testing .
• Performing MB code change in local code base to correct problematic XMLs to create XMLs code implementation in PROD.
• Analyzed existing design issues and provided solutions.
• Performing MQ configuration changes .
• Analyzing MB flows and provides the root cause if any issues identified during Unit testing .
• Capacity planning and peak load stability assessment.
• Performance monitoring during peak season.
• Responsible for configuring and deploying the application to test environment.
• Responsible for preparing the deployment document for stage and production environment
• Worked with QA engineer and reviewed test cases.
• Attended Weekly stand up meeting and provide status report.

Environment: Java/J2EE, JSP, Servlets, SQL, JDBC, Eclipse, HTML, CSS, MS Office, Windows, AJAX, EJB, JMS, Firefox, JavaScript, PL/SQL, Oracle, TOMCAT, log4j, Exception Handling, collections.