SUMMARY

• Around 7 years of strong IT experience in Software Analysis, Object Oriented Design, Development, Implementation and Testing of J2EE applications.
• Experienced in development of web based multi - tier enterprise applications using J2EE technologies like Servlets, JSP, EJB, Hibernate,SOAP.
• Extensive knowledge and implementation skills in Spring MVC framework(Core,Context,AOP,MVC,Security,Batch,Boot), JSF Framework.
• Hand-on experience in Service-Oriented Architecture, Web Services using JAX-WS, SOAP, WSDL, UDDI, JAX-RS RESTFul and OAuth2.
• Possess solid understanding of Java web services, REST services, SOA industry development standards and testing techniques.
• Experience in developing Microservices using Spring Boot, Netflix OSS (Zuul, Eureka, Ribbon, Hystrix) and followed domain driven design.
• Experience in implementing the security on microservices using Spring Boot Auth server which generated JWT tokens as OAUTH2 mechanism.
• Experience incore Java-Multithreading, collections, Servlets and JDBC.
• Working knowledge in JavaScript, HTML, XML,CSS.
• Hands on experience in creating components using Angular.js
• Experienced with web and application servers likeApache Tomcat, IBM WebSphere, BEA Weblogic and Jboss.
• Experience in handling messaging services usingApache Kafka, JMS, MQ.
• Experience with version control tools likeSubversion, CVS, GIT.
• Experience in using build/deploy tools such asJenkins, Docker and Kubernetes for Continuous Integration & Deployment for Microservices.
• Experience in writing Oracle Stored Procedures, Functions, Packages, Views, SQL queries to communicate with Oracle 8i/9i/10g/11g databases.
• Extensive knowledge on AWS EC2, Amazon S3, Amazon Elastic Load balancing and other parts of AWS infrastructure
• Strong analytical skills with ability to quickly understand client’s business needs.
• Have strong experience in code debugging and bug fixing.
• Experience working in a global team and with offsite onshore model.
• Communicate effectively (both written and verbal) with people at different levels including stakeholders, internal teams and the senior management.

TECHNICAL SKILLS

Languages: Java (6, 7, 8)

APIs/Cloud: JDBC, JMS, JNDI, EJB, SOAP, Rest API, AWS, Microservices with Spring boot

Design Patterns: MVC, Factory, Singleton, Front Controller etc.

Frameworks: Struts, Hibernate, Spring MVC, Spring boot, Spring Security, OAuth, JSP, Servlets

Scripting/GUI Tools: HTML, JSON, JavaScript, CSS, Angular.js

Application Servers: Web-Logic, Web-Sphere, Apache Tomcat

IDE: Eclipse, Intellij, RAD

Build and Test Tools: Ant, Maven, Junit

Databases: Oracle, My-SQL, SQL Server

Tools: Kubernetes, Docker, Jenkins, JIRA, JAMA

Operating Systems: Windows XP, Linux.

PROFESSIONAL EXPERIENCE

Confidential, NM

Java/J2EE Developer

Responsibilities:

• Contributed to design, develop enterprise application from existing legacy platform (IBM Mainframe - COBOL, CICS, DB2, etc.) to a modernized (SOA, Microservices and / or API-enabled) enterprise architecture
• Conduct legacy asset analysis, code restructuring and refactoring, code conversion.
• Perform business logic extraction and build executable business rules.
• Created RESTFUL Web Services to bridge the gap between Mainframe and modern integrated platforms.
• Developed & Implemented OAuth2 functionality with Spring Security to secure the REST services/REST API for authentication & authorization, and generate & validate the tokens for REST clients to protect the REST services
• Developed Microservices, and created API's using Java Spring Boot framework using Maven as a build tool and Oracle as an enterprise level database
• All the functionality is implemented using Spring Boot and Hibernate ORM.
• Implemented Java EE components using Spring MVC, Spring IOC, Spring transactions and Spring security modules
• UsedREST ClientandPOSTMANto test the REST based services and usedJunitandMockitoto test the middleware services.
• Developed various Database interaction objects by implementing the DAO patterns and used JDBC as Model Component.
• UsedHibernatein the persistence layer and implemented DAO’s to access data from database.
• Developed CI/CD system with Jenkins on Kubernetes environment, utilized Kubernetes and Docker for the runtime environment for the CI/CD system to build, Test and Deploy.
• Configured auto scalable and highly available microservices set with monitoring and logging using Docker, Jenkins and Splunk
• Configured and tuned the AWS EC2 and worked on ELB, Route53 for high availability.

Environment: JDK 1.8, Java SE, J2EE, Tomcat, Spring Boot, Microservices, Oauth, Hibernate 4.0, JavaScript, Docker, Maven 3.0, Eclipse, GIT, JUnit, Oracle, Agile.

Confidential, AR

Java/J2EE Developer

Responsibilities:

• Designed applications usingJava Design Patternssuchas Singleton and Factory.
• UsedCollections, abstract classes, interfaces and multithreading concepts extensively for the business logic.
• Worked withAngular JS MVC frameworkincluding authoringcomplex directives, services, controllers and filters.
• Implemented Spring MVC framework in the presentation tier for all essential control flow, business level validation and communication.
• Implemented Spring MVC controllers like Controller, Simple Form Controller and Multi Action Controller.
• Used Spring Data Framework to use the features ofSpring JDBCandSpring ORMclasses likeJDBC andHibernate to perform thedatabase operationsby connecting toData sourcesavailable.
• UsedSpring MVC Transaction Management,Spring/Hibernate Batch Transactions, Hibernate cache concepts.
• ImplementedSOAP Services(JAX-WS)to interact with external systems.
• Configured the POJOs with backend tables to achieve associations.
• Integrated Spring DAO for data access using Hibernate to fetch data from database and avoid redundant data transacctions.
• ConfiguredMaven dependenciesfor application building process that created POM.xml files. Created Maven build file to build the application and deployed onWeb logic application server.
• Used version control toolSVNin developingweb application.

Environment: Core Java,Spring IOC, Spring MVC,Hibernate, WebServices, REST, SOA, Maven, Angular JS.

Confidential, GA

Java/J2EE Developer

Responsibilities:

• Involved in complete SDLC management - Requirements gathering, Design, Analysis, Development and Testing
• Developed UI components using HTML, CSS, JavaScript, JQuery and AngularJS
• Used DOM API to parse the XML documents.
• Developed the application using Spring Framework
• Implemented persistence layer using Hibernate to interact with oracle database and used hibernate for object relational mapping and persistence.
• Involved in deployment of web service end points using Apache CXF
• Developed hibernate mapping to tables using JPA annotations
• Developed hibernate DAO access or classes using Spring JDBC template.
• Developed servlets and JSP based on MVC pattern using spring framework
• Designed and developed SOA based enterprise system using SOA suite
• Developed and built all tables using Oracle 10g.
• Worked on JUnit testing framework and configured application on WebLogic Server
• Developed the application using Eclipse IDE and spring tool suite
• Extensively worked on Application servers like Web Logic, Web Sphere, Apache Tomcat and JBOSS
• Designed and developed the application using Agile methodology and followed scrum
• Used JPA mapping techniques such as One to One, Many to One and Many to Many mappings to represent relation between various entities in the project.
• Configured and used JBoss application server for creating Datasource and enabling JNDI for beans and database lookups.
• Installed SSL certificates on the developed application.
• Created XML Schema, XML template and XSL. Developed Web Services Application using SOAP and WS-Security

Environment: Spring 3.0, Hibernate, Javascript, CSS, HTML, Ajax, Angular JS, Apache CXF, JUnit, WebLogic, Oracle 10g, SOA.

Confidential, RI

Java Developer

Responsibilities:

• UsedReact JSfortemplatingfor faster compilation and developing reusablecomponents
• Created Spring Boot microservices to build the application.
• Decomposed existing monolithic code base into Spring Boot microservices.
• Created client library that provided load balanced and fault tolerant consumption of Spring Boot microservices from monolithic application.
• Implemented JQuery for client side validation.
• Implemented Authentication and Authorization with Oauth2 Spring Boot microservice.
• Utilized JWT as tokenization scheme for Oauth2.
• Implemented JWT token based authentication for the REST API
• Implemented multitenancy with micro services utilizing Postgresql.
• Developed and maintained functions, procedures, triggers, indexes using MYSQL database programming language.
• Managed local deployments in Kubernetes, creating local cluster and deploying application containers.
• Integrated multi tenancy model into security model.
• Developed and configured Maven artifacts for CI/CD development
• Created Maven builds to build and deploy Spring Boot microservices to internal enterprise Docker registry.
• Created customized Spring Boot microservice.

Environment: Maven, Java, Spring, Spring Boot, Camel, Spring Security, JPA, Postgresql, SQL, OAUTH2, Docker, Jenkins