PROFESSIONAL SUMMARY:

• Over 9 years of experience in development and administering the J2EE and middleware solutions. Integrating the Base, ND and IBM IHS
• Deployed portal artifacts(Web applications, Pages using XML Access and Portal admin console
• Experience in installing and creating virtual portals and assigning user population (multiple realms)
• Experience in deploying the J2EE components (EAR/WAR/JAR) in IBM WAS 6.x./7.x/8.x using Application assembly tool (AAT), WAS admin console, shell/Jython scripting.
• Experience in planning installing,, configuring, tuning and integrating the IBM WAS, IBM HTTP server, Websphere Commerce series, Apache TOMCAT, JBOSS, Webserver and LDAP
• Experience in administration and maintenance of WAS ND clusters(horizontal & vertical and hybrid) and deployment of applications in highly available, load balanced production environments
• Deployment, software installation, maintenance fixes upgrades, general administration and performance tuning of JBOSS.
• Working Knowledge of Websphere commerce server.
• Experienced in shell and Jython scripting for administration, troubleshooting and maintenance - written scripts all day to day activities both WAS and shell
• Wrote scripts to create clusters, deploy applications and restart the servers
• Experience in deploying and debugging the applications in base and ND WAS providing the load balance and highly available clustering solutions
• Highly experienced deploying and debugging applications in Base and ND WebSphere Application server providing load balanced and highly available clustering solutions.
• Recent experience includes hands on expertise in Single Sign-On domain using TAM, Site Minder, Identity Management, and LDAP.
• Highly experienced in Site Minder policy creation and promotion and Agent configuration and installation, TAM Junction creating and attaching ACLs to integrate with Web and Application Servers and LDAP
• Good knowledge of Firewall configuration and Network protocols, DNS, Network Dispatchers.
• Ability to pick up new technologies, solve complex technical/runtime problems and multitask between different projects.
• Well versed with troubleshooting using Application and jvm log files, log analyzer and by enabling the trace. Working or forwarding the issue to the application development team if we observe application code related errors in the application log files. Experience in monitoring and maintaining multiple Applications in Development, QA, Staging, Production and DR Environments.
• Documenting any new issues and their resolution steps in the environment and about new applications. Transferring the environment knowledge to the new resources of the team.
• Deploying enterprise J2EE applications on WebSphere that involves EAR (Enterprise Archives) and WAR (Web Archives) using deployment scripts, Quick Build, IBM UCD and as well as via Admin console
• Experience on WAS resources such as JMS, WLM, SIB, QCF, Queues/Topics, JDBC, J2C
• On-call Production Support (24x7), monitoring and maintaining multiple Applications in Development, TEST, QA, Staging and Production Environments
• Have more than 5 years’ experience in retail industry

TECHNICAL SKILLS:

Programming Languages and Scripts: Shell scripting (Korn, bash), YTHON, Java, Servlets, JDBC, JSP, ASP, Enterprise Java Beans, XML, JNDI, JMS and LDAP

Databases: Oracle, DB2, MS SQL Server 2000, MS Access.

Web/Application Servers: IBM WebSphere 6/7.x/8.x, IBM HTTP Server

Operating Systems: UNIX, Linux, HP-UX, VMWare Solaris, IBM AIX & Windows/2000/XP

Networking & Communication Protocols: TCP/IP, HTTP/HTTPS, RMI/IIOP

LDAP: Sun-one Directory Server, IBM Directory Server

WORK EXPERIENCE:

Confidential, Chicago, IL

WebSphere Commerce developer

Responsibilities:

• Responsible for translating business requirements to design documents and development of functionalities end to end.
• Functionalities include designing and developing product description page using Commerce Composer. Creating new widgets and extending OOB widgets.
• Developing the email framework for order and user modules.
• Developing functionalities in the Member Module like Manage reserve, Service profile end to end. This involves flow of data from WCS->IBM BPM->IBM MDM and vice versa. Necessary integrations done to make the data flow.
• Developing functionalities for Activation of Device and Airtime Redemption end to end.
• Developing custom Rest APIs for Member, Order module to retrieve additional data required to display in the Checkout and Member pages.
• Maintained and enhanced custom REST/SOAP web service calls to services for tax (CTE), shipping logistics (WSL), regulatory fees (WSR) and pricing (EZPRS).
• Solr Search optimization and index optimization for 7million document (6hours to 1 hour full indexing).
• Used Solr advance Facet for category filters and article count with limit and sorting.
• Used Solr optimized group by queries.
• Solr Schema field optimization with analyzer and filter based on requirement.
• Customization of IBM commerce Search component for query performance (7-8 seconds to 400 milliseconds).
• Experience with checkout processes -Payment ID, payment processes, order capture, conversion optimization.
• Experience working with Agile methodologies
• Experience with online Order Management & payment processing online.

Environment: WebSphere Commerce v7 FEP 8, DB2, J2EE, RAD, Struts, SQL, HTML, CSS, and JavaScript

Confidential, Miami, FL

Full stack Java Developer

Responsibilities:

• Requirements gathering (Interacting with the client for all the requirements. clarifications of the flow).
• Working in AGILE/SCRUM methodologies while coordinating engineering efforts with team members to identify and resolve defects using JIRA.
• Analyzed the requirement specifications and designed UML diagrams using Rational Rose.
• Developing and editing user Interface Screens for presentation logic using JSF, JSP, HTML5, CSS3, JQuery,NodeJs, and Angular Js.
• Implemented Routing part for all associated views for the particular user of the application using Angular JS UI router module, routing provider service with HTML views/CSS styles.
• Developed AngularJS custom directives, filters that are used across the application and Integrated with backend by making Restful web service calls in AngularJS.
• Implemented core features of AngularJS framework such as dependency Injection, Data-binding, Filters, Directives, Templates, Services and Deep Linking.
• Made extensive use of promises for application control flow
• Created Node.JS backend for creating RESTful Web Services using the Express Framework.
• Involved in consuming RESTful web services to gather the information present on the servers.
• Build REST web service by building Node.js Server in the back-end to handle requests sent from the front-end jQuery Ajax calls.
• Extensively used Core Spring Framework for Dependency Injections of components.
• Created and explained prototypes to end users.
• Designed and developed application using Spring Frameworks (Spring IOC), Spring DAO,Spring Boot.
• Implemented RESTful Web services in SOA (Service-oriented) Architecture to retrieve data from client side and made REST API calls and parsed the data to project to client and handled the security and Authorization using Spring Security and OAuth authentication protocol.
• Setup Docker to automate container deployment through Jenkins.
• Focused on AcceptanceTest Driven Development thereby creating detailed JUnit tests for every single piece of functionality before actually writing the functionality.
• Tested spring web services using the SOAP UI.
• Involved while working on various AWS technologies like SQS Queuing, SNS Notification, RDS etc.
• Extensively used Oracle DB.
• Developed business modules using Hibernate, JPA&Spring frame work technologies.
• Used Hibernate Transaction Management, Spring/Hibernate Batch Transactions and Hibernate cache concepts.
• Used Spring Data Framework to use the features of Spring JDBC and Spring ORM classes like JDBCTemplate and Hibernate Template to perform the database operations by connecting to Data sources available.
• Used Maven for building and deployment purpose
• Used Git/Source Tree as version control tool.
• Performed Code reviews and Performance tuning.
• Setting up build environment and deploying of the application in all the servers (development, stage/test, production servers).
• Deployed the applications on IBM WebSphere Application Server.
• Implementation of various functionalities like CRON Jobs for Jobs Scheduler (CSA - Quartz) for the Utilities for automatically placing the placements and withdrawal and purging of invoices.
• Interacted with Customers to resolve the application issues and to mitigate defect damages.

Environment: Java, J2EE, CSS, HTML, XML, JavaScript,NodeJs,Jquery,JSF, Spring, Hibernate, Web Services, JIRA, PL SQL, GIT, WebSphere, Apache CXF, DOJO, JSP, Servlet, DB2, CRUD, UML, JUnit, Maven.

Confidential, Minneapolis, MN

WebSphere Commerce Developer

Responsibilities:

• Build, Configure the   Websphere   Commerce   V7 , DB2 Client, applying latest fix/feature packs FEP6,   commerce   instance creation, remote Http server setup, and common administrative tasks. 
• Maintenance of the   Websphere   Application Servers(WAS) on AIX LINUX platforms and setting up the development, testing and staging environment for the ongoing application development. 
• WCBD is the   Websphere   Commerce   Build and Deploy framework . Manage build and deploy of code for multiple releases of code from CSV. 
• Customized WCBD ANT script to deploy various code as per project requirements. 
• Setup WCBD Search script to move Search folder preprocess and conf folder configuration files to test, Staging and production cluster servers. 
• Setup WCBD production configuration to ftp all static content to IHS server. 
• Create caching strategy document, implement Dyna caching , perform tuning and validation using caching monitor. 
• Create cache specific test scenarios; automate testing using RPT for different users with fined grained access to site. 
• Enabled Performance Monitoring Service (PMI) to collect JVM statistics and garbage collection data for monitoring the heap and physical memory in   WebSphere . 
• Setup Nagios core 3.5 with   WebSphere , IHS, and DB2 plugins . 
• Work with DBA team to automate DB maintenance tasks.

Environment: IBM WebSphere c ommerce server V7, Nagios core 3.5, DB2, Dyna trace, ANT

Confidential, Pleasant Prairie, WI

Middleware Support Engineer

Responsibilities:

• Responsible for deploying enterprise applications from Admin console into Production, Staging, and Test Environments.
• Installed and Configured IBM HTTP Server V7.x. Plug-in installation and Generation & propagation of plug-in as and when required.
• Troubleshooting Admin Server start-up issues, Memory leaks, Java code defects after deployment.
• Problem determination using various log files.
• Responsible for setting up the Dev, Stage, QA, Pre-Prod Environments which includes Installing the WebSphere, Creating Profiles, nodes, federation of nodes, WAS instances, Clusters, Virtual hosts and Data Sources.
• Preparing Documentation for Installation, Configuration and Deployment of Applications on WebSphere application server.
• Performed routine check of WebSphere Environment like monitoring Disk Space, CPU Utilization.
• Debugging of the application problems while deploying the application

Environment: IBM WebSphere a pplication Server 7.x, IBM HTTP Server 7.x, Apache Tomcat, LDAP, TCP/IP, AIX 5.3/5.2.

Confidential

Websphere Admin Support

Responsibilities:

• Expertise in installation of WebSphere Application Server (Base/Network Deployment) on different Unix Platforms (AIX/Linux).
• Installation of WebSphere Network Deployment versions 7.0/6.1 in various production environments and test environments
• Experienced in Applying fix packs and ifixes for WebSphere as suggested by IBM.
• Installation and configuration of plug-in files and Web Servers.
• Experience in problem tracing, WebSphere log file managements and trouble shooting of problems related to the applications deployed on WebSphere Application Server.
• Responsible for supporting priority one and two outages and investigate all aspects of the event until it is resolved or an escalation if necessary.
• Installation, Configuration and administration of Web Sphere MQ on Solaris, AIX, Z/OS and Windows NT/2000 platforms.

Environment: WebSphere Network Deployment versions 7.0/6.1, Websphere MQ

Confidential

Websphere Admin Support

Responsibilities:

• Responsible for installation of IBM HTTP Server
• Responsible for the installation and configuration of WebSphere application server.
• Configuring WebSphere Application Server on multiple platforms for both horizontal and vertical scaling for Work load Management
• Responsible for installation and configuration WebSphere Application scaling for Work Load Management.
• Creation and setting up new WebSphere Application Servers in a clustered environment.
• Deployed and trouble shoot the new Enterprise J2EE applications in the shared WAS environment
• Configured JDBC Providers, Data Source, Virtual Hosting, Global Security, SSL, LDAP
• Written shell scripts to automate the build process
• Problem Determination through the use of log files and rectified the problems or interacting with IBM support to solve problems
• Worked on WSCP scripts and shell scripts to automate the maintenance process of the WebSphere and used XML Config tool for backing up WebSphere configuration
• Created IBM Problem Management Records (PMR) to report WebSphere Application Server problems.

Environment: Websphere Application Server 6.1, PMR