PROFESSIONAL SUMMARY:

• Java platform professional with a pioneering career reflecting strong technical qualifications coupled with “hands - on” application development expertise. Maintain focus on achieving results while formulating and implementing advanced technology and business solutions to meet a diversity of needs.
• Experience in all aspects of Software Development Life Cycle including requirement analysis, design specification, code development, code integration, testing, development and DevOps using Java/J2EE, Open Source software and Web Technologies .
• Expertise in Object Oriented Analysis and Design using UML artifacts like use cases, sequence diagrams, class diagrams .
• Experience in design and implementation of enterprise level secure applications Identity and access management systems to provide Single Sign-On (SSO), Federation (SAML), WS-Security and OAuth
• Experience in designing and developing n-tier enterprise applications using Java and J2EE technologies such as Java, J2EE, Struts, Spring, Hibernate, Spring Boot, Web Services (SOAP and REST), XML, JSON, JAXB, JAX-RS, JAX-WS, JMS, Spring Security, Thymeleaf, JSF etc.
• Experience with containerized cloud environments based on Docker/Kubernetes and RedHat’s OpenShift platform at intermediate level.
• Expertise in Web application development using HTML , XSLT , CSS , JavaScript ( including frameworks like jQuery, Dojo, etc. ), Ajax, Bootstrap.
• Experience in Service Oriented Architecture (SOA), SOAP Web services, Restful API and micro services architecture.
• Experience in SAML (IDP, SP) based authentication using Confidential Tivoli Federated Identity Manager for SAML Federation on WebSphere Application Server
• Experience in server configuration and management for WebSphere Application Server (WAS) and Confidential HTTP server (IHS) in clustered environment, including application setup, DataSource pools, JMS resources, SSL s, security domains, etc. In similar way, have worked with WAS Liberty
• Experience with JMS based integration mechanisms using WebSphere MQ and ActiveMQ/RabbitMQ (for testing and development use) including queue manager setup, object creation, secured connections over SSL, etc.
• Experience with Relational DBMS like DB2 , Oracle and MySQL , including PL/SQL programming at intermediate level, performance tuning and query optimization.
• Experience with DB2 HADR and DPROP features for replication and high availability (basic skills).
• Experience with multiple modules from Spring Framework platform, including Spring MVC , Spring JPA Data , Spring Rest , Spring Boot , Spring Security , Spring Integration , Spring AOP, etc.
• Experience with JPA implementations like Hibernate and EclipseLink for data persistence layer.
• Experience in DevOps CD/CI using Jenkins , including creation of pipelines at intermediate/advanced level.
• Experience with Apache Maven to automate application builds, including the use of different plugins like Fabric8 (for Kubernetes/OpenShift platforms), enrichers, etc.
• Experience in JVM Performance tuning , GC and Heap Analysis , Thread Dumps, Heap dumps, Memory Leaks, Connection Leaks, Core dump.
• Experience in Unit Testing with tools like JUnit and TestNG testing suites.
• Experience in UNIX/Linux shell scripts for data-driven automatic processing.
• Experience in Agile methodologies including Confidential ’s Agile , extreme programming, Test Driven Developmen t and Scrum.
• Experience with SCM tools like GIT , Mercurial HG , SVN , Rational Team Concert , including configuration and management at intermediate level.
• Good understanding at TCP/IP internet protocol suite.
• Experience with SSL management and good understanding on cipher suites for cryptograph

PROFESSIONAL EXPERIENCE:

Sr. Java System Architect/Developer

Confidential

Responsibilities:

• As Sr. architect I was actively involved in architecting various Business Layer and Data Management components of this multi-tiered java based system over JEE architecture, JMS driven solution. I was involved in both design and development.
• Currently working on project to migrate application to hybrid cloud infrastructure based on containerized microservices for RedHat’s OpenShift platform. Modernization is also contemplated as it is being migrated from old tools to microservices.
• Creation of POC’s, Spring Boot initializers with customized setup to be deployed on OpenShift platform. Customization includes DB, MQ, and reverse engineering for WSDL and Database schemas.
• Development of microservices when executing migration to cloud platform.
• Managed infrastructure requirements for scalability, migration and tuning.
• Documented all architectural processes that are part of Confidential ’s methodologies.
• Involved in requirement management and solution design for several modules in system.
• Provided help to support team in order to solve software failures.
• Capacity and deployment planning for software release.
• Confidential Agile professional
• Design Thinking professional

Technical Environment: Java 6/7/8, WebSphere MQ, WebSphere Application Server(ND and Liberty), UML, JaxWS, MQ Services, JAXB, XML, JDBC, Castor, Confidential DB2 9.5+, Confidential ’s Rational suite (Rational Team Concert, Rational Software Architect, Rational Policy Tester, Rational Function Tester), AIX/Linux, shell scripting cronjobs, DevOps (UrbanCode Deploy, Jenkins). Spring boot 2. JPA( hibernate/EclipseLink), spring data, spring data REST, spring security

Sr. Java System Architect/Developer

Confidential

Responsibilities:

• As Jr. Architect & Sr. Java developer I was actively involved in architecting various Business Layer and Data Management components of this multi-tier web based system over JEE architecture, JMS driven solution.
• Designed and developed the real time simulated messaging component for communication between core server application and web client interface, based on bayeux protocol using json formatted data.
• Responsible for developing and maintaining integration services and interfaces used to provide communications among multiple components/modules interacting over the whole platform.
• I actively participated in the development of integration modules to handle communications between System and BMV, based on Setrib and FIX protocols.
• Developed various server side components using JEE and Spring Framework API’s.
• Responsible for WebSphere AS basic administration, maintenance and performance tuning.
• I actively participated in architecture definition and lead the system performance improvement efforts.
• Responsible for setting up, configuring and manage an SCM server based on Mercurial HG.

Technical Environment: Java 1.5/1.6, Servlets, WebSphere MQ, WebSphere Application Server, UML, JaxWS, JAXB, XML, JSON, JDBC, Oracle 10g/11g, Eclipse IDE, SpringFramework, Hibernate, Smart GWT, RPC, Bayeux protocol/cometd, WebSphere Web2fep add-on, FixFlyer/FIX Protocol, quartz jobs/triggers, TestNG.

Sr. Java Developer

Confidential

Responsibilities:

• Development and design of a web application for the Seguro Popular program, to handle and manage affiliations for such social program.

Technical Environment: Java, JDK1.5, Servlets, UML, CXF, JAXB, XML, JDBC, Oracle 10g, Eclipse IDE, Spring Framework, Hibernate, SiteMesh/ velocity

Sr. Java Developer

Confidential

Responsibilities:

• Planning, design and development of web based applications over JEE and PHP/MySQL platforms

Technical Environment: Java, JDK1.4/1.5, Servlets, UML, XML, JDBC, Oracle 10g, Eclipse IDE, Struts, Hibernate, velocity, WebSphere AS 6/6.1, Oblix/Oracle’s CoreID SSO. Apache, php 5.2, MySQL 5.3, HTML/XHTML, css, JavaScript (JQuery, prototype).