SUMMARY:

• Passionate OO programmer with clear CS fundamentals
• Highly interested in data structures and algorithms
• Experience technically leading and managing small team
• Java Development (JDK 1.8)
• IDP and SP initiated SAML implementation for Single Sign - On (SSO)
• OAuth2 implementation for Single Sign-On.
• Service Oriented Architecture (SOA) And Microservices
• SOAP Web Services (JAX-WS, Apache CXF, WSDL, XML, XSD, JAXB)
• REST APIs (JAX-RS, Jersey, Spring Rest Template, JSON, Chrome Postman, HATEOAS etc.)
• Spring Dependency Injection, AOP,Spring Transaction Management, Spring MVC, Spring Boot, Spring JMX, Spring JPA Repository, Spring Cache, Spring Async processing and SpEL.
• Spring Boot Actuator, Spring Cloud, Twitter zipkin and Netflix Eureka, Zuul and hystrix
• AWS - EC2, S3 and Elastic Beanstalk
• Enterprise Application Integration - Mule ESB, IBM Message broker, Apache Camel
• App Servers IBM Websphere, Jboss and Tomcat
• Application memory and performance monitoring: appdynamics, IBM heap and thread dump analyzer, MAT and
• ORM: Hibernate
• Queue : ActiveMQ, Apache Kafka with Apache Zookeeper
• Test-Driven Development (TDD)
• Software Design Patterns and Enterprise Application Integration Patterns (EIP)
• Test Automation (JUnit, TestNG, JMock, Mockito)
• RDBMS & NoSQL (Oracle, MySQL, MongoDB, Marklogic, Apache Cassandra)
• Continuous Integration & Continuous Deployment Tools (Apache Maven, Jenkins)
• Caching (Ehcache, Guava)
• Agile/Scrum - Rally and JIRA

PROJECT EXPERIENCE:

Senior Java Developer / Architect

Technology: Java, J2EE, IDP & SP initiated SAML implementation, IBM RAD, OAuth 2.0, Oracle, AWS EC2, AWS S3, AWS Elastic beanstalk, Zuul, MongoDB, hystrix, Spring Boot.

Responsibilities:

• Design and develop Single Sign-On (SSO) using IDP and SP initiated SAML implementation.
• Design and develop Single Sign-On (SSO) using OAuth2
• As a Shared service Product Owner, closely worked with Application teams, clients in understanding the business requirements and provided the technical solution.
• Worked with QA team to resolve testing issues.
• Followed agile product development methodology.
• To be part of daily standup meeting.
• To work with business analysts and other senior developers in splitting/creating “USER STORIES ” out of “EPICS” and tasks out of “USER STORIES”

Senior Java developer / ArchitectTechnology:

• Java (JDK 1.8)
• J2EE
• Hibernate
• JPA
• Oracle
• SQL
• Maven
• Junit
• Spring AOP
• Spring transaction
• Spring JPA Repository
• Spring rest template
• IBM Web Sphere Application server
• IBM Heap and Thread dump analyzer
• Slf4j-Log4j
• Jackson (JSON)
• Springsource Tool Suite IDE
• google chrome Postman
• Spring Boot Actuator

Responsibilities:

• Developing the RESTful APIs dynamically using Java, Spring rest Template / Spring MVC, JAXB, HATEOAS and Jackson to support XML and JSON response formats
• To develop service framework for CITI KYC application.
• To create micro service using Spring cloud Netflix eureka and Twitter Zipkin.
• To develop solution for complex problems (“cross cutting concerns”) using Spring AOP implementation.
• Implement Audit trail for application using Hibernate interceptor.
• To develop Rest client using Spring REST-Template for complex point-to-point connections.
• To implement NIO in application by supporting Servlet 3.0 specifications Implemented by IBM Web sphere.
• To Implement HTTP connection pool by implementing keep-alive.
• To develop interface for CITI KYC to communicate with AB INITIO data warehousing.
• To Maintain CITI KYC application across the entire region.
• To represent frame work team in SIT, UAT and production status calls.
• Communicate with business analysts in transforming FRD (functional requirements document) into high level design document.
• RESTful API Design and Development
• Conditional autowiring using spring expression language (SPEL)
• Customized injection and adding properties using spring profiling.

Senior Java developer

Technology: Java, J2EE, Hibernate, JPA, DTO, Intellij, Jetty, Oracle, SQL, Maven, JavaScript, CSS, JQuery, Appdynamics, Junit, Jasper report, Spring transaction,

Responsibilities:

• Closely worked with Product owner and Business analysts in understanding the business requirements and provided the technical solution.
• Worked with QA team to resolve testing issues.
• Followed agile product development methodology.
• To be part of daily standup meeting.
• To work with Product owner, business analysts and other senior developers in splitting/creating “USER STORIES ” out of “EPICS” and tasks out of “USER STORIES”
• To write unit test cases using Junit as part of TDD.
• To manage the entire application and its performance using Appdynamics.
• Worked with Jetty server for application deployment in development environment.
• Worked with Intellij IDE for product development.
• Created DTO, stored and retrieved data from tables as DTOs using hibernate.
• Build application after running all the unit test cases and deployed the application in Jetty server using Maven
• Aligned and formatted the UI using CSS
• Implemented client side scripts to interact with user using Java script and JQuery framework.
• Created reports using Jasper report for academic courses.

System Engineer

Technology: Java, J2EE, SOA, WSDL, JMS, spring, Web services, WS-*, EJB, JCA, SOAP-UI, OOP/OOD, Apache Axis, Jersey, JAX-RS, Restful web services, Ant, IVY, Spring DI, XML, JAXB, JAXP, XSD, eclipse, Cobertura code coverage .

Responsibilities:

• Designing, developing, testing and maintaining the product.
• Host legacy system (T24) as web services using SOAP and Restful web services.
• Created web services on the fly using Apache Axis.
• Consumed Restful web services using Jersey.
• Implemented WS-Security as part of defining services contract.
• Implemented MDB to put message in “in-queue” and get the response from “out-queue” of JMS.
• Build the project and run all test cases using Ant.
• Resolved the dependencies using IVY.
• Generated report on code covered by unit test cases using Cobertura.
• I Developed demos for sprint meeting, and gave demos of software to customers.
• Developed test suite framework and regression tests script using SOAP UI for created web service.
• I Designed and developed complex algorithm using classic design pattern to achieve business logic.
• Provided support and maintained the product for each patch and service pack.

Programmer analyst 

Technology: Java, J2EE, JCA, SOA, IBM message broker, Mule ESB, Fiorano ESB, Ant, IVY, Junit, T24, Eclipse, Web services, WSDL.

Responsibilities:

• Created custom adopters "in-bound” and “out-bound” in Mule, IBM message broker and Fiorano ESB.
• Developing and enhancing the Mule ESB layer that’s responsible for routing API calls, validating responses using XML schema, and transforming response payload as per client request.
• Enriched, transformed business data in Mule, IBM message broker ESB.
• Performed service orchestration in Mule, IBM message broker ESB.
• Create Enterprise interface for legacy system (T24) using JCA.
• Create “in-bound” and “out-bound” adapter in JCA.
• Build the project using Ant and for resolving the dependencies used IVY.
• Designing, developing, testing and maintaining the product.
• Provided support and maintained the product for each patch and service pack.

Programmer analyst 

Technology : Java, J2EE, ESB, Web Services, JMS, FIORANO, Info basic, Jbase, Eclipse Plugin, Ant, IVY, Antlet.

Responsibilities:

• Created eclipse plugin for Integration studio so that user can drag drop the event. Saved events at run time will notify external system through “Out-bound ” adapter deployed in ESB.
• Used Ant and IVY for building and resolving the dependencies of application.
• Designing, developing, testing and maintaining the product.
• I Developed demos for sprint meeting, and gave demos of software to customers.
• I Designed and developed complex algorithm using classic design pattern to achieve business logic.
• Provided support and maintained the product for each patch and service pack.

Confidential

Programmer analyst 

Technology: Java, J2EE, JSP, multi-Threading, Sockets, JUnit, Servlets, Oracle, SQL, Pl/SQL, Hibernate, Servlet MVC, Ant, Eclipse.

Responsibilities:

• Created object relation mapping and stored/retrieved the data to DB through DTO using Hibernate.
• Created thread safe code in the application.
• Used JSP and servlet for front end development.
• Performed unit testing by taking small piece of testable software in the application.
• Provided support and maintained the product for each patch and service pack.
• Weekly call with Client to discuss the bugs/enhancements status.
• Maintaining Quality related issues and preparing Quality related documents.