SIVA KRISHNA

WMB/IIB Developer

ac0l0f@r.postjobfree.com

972-***-****

PROFESSIONAL SUMMARY:

Around 7 years of professional experience in all phases of Software Development Life Cycle including system study, analysis, design, programming, implementation, testing with experience in development, configuring and testing of IBM WebSphere MQ, WebSphere Message Broker.

Proficient in Developing Message Flows and Message sets and building the deployable broker archive (BAR) files for WMB 7.0, 8.0 and Integration Bus v9.0,v10.0

Hands on experience in developing Message Flows according to the Business Requirements.

Expertise in using different Nodes like Routing nodes, Transformation nodes, MQ Nodes, SOAP, HTTP, try-catch, trace, Database, WSRR and Flow order etc.

Proficient in creating Message sets using XMLNSCs, XSDs.

Designed and implemented Web Services in WebSphere Message Broker.

Hands on experience in doing Transformation using ESQL, Mapping node, XSLT.

Hands on experience in creating message sets using artifacts such as XSD, Cobol book and WSDL

Experience in creating standards and best practice guidelines for development and deployment of Message Broker components.

Experienced in trouble shooting the issues by debugging the code and by interacting with team.

Well experienced in using tools like XMLSpy, RFHUtil and DBVisualizer, SOAPUI.

Developed automated deployment scripts for WMB, WMQ.

Experience in analyzing and documenting system, functional, design requirements and specifications.

Strong experience in programming using ESQL, XSLT, XSD, XML, WSDL, SQL, Java and C.

Strong knowledge of Web services including HTTP, SOAP, WSDL and XML concepts.

Experience in creating Tables, Views, Stored Procedures, Functions and Triggers in Oracle and DB2.

Worked in 24X7 Production support environment and resolved many production tickets.

Involved in status updates call and weekly team meetings.

Coordinated with engineering team to setup the environment for DEV, QA and PROD.

Prepared several documents such as Developer guides and Production support KT document.

Excellent Technical, analytical, problem solving, interpersonal, written and communication skills with ability to work under pressure in a highly visible role in a team and individually.

TECHNICAL SKILLS:

Platforms

Windows Vista/7/8/10, Servers 2008/2012, Linux, AIX,Z/OS

Languages

ESQL, HTML, DHTML, XML, XSL, JavaScript, SQL, Java

Packages

J2EE, Java SE6 JFC, Struts

Databases

MS-Access, DB2, Oracle 9i/10g, SQL server

Web Servers

Sun Web server 7.0, Apache2.0, IIS 7.0/8.0, IBM HTTP Server 7.0/8.0

Application Servers

WebSphere, WebLogic

Version Control Tools

GIT, SVN, CVS, Rational ClearCase, MQ Explorer, RfhUtil, WMB /IIB Tool Kit, SOAP UI, Putty, Altova XMLSpy, MS Visio, FileZilla, AQT etc

MQ/WMB Series Family

WebsphereMQSeries V7.0/7.5/8.0, Websphere Message Broker V7.0/8.0, IBM Integration Bus V9.0/10.0

PROFESSIONAL EXPERIENCE:

Associated Wholesale Grocers AWG, Kansas City, KS Apr 16 – Till Date

Role: IIB Developer

Description:

Associated Wholesale Grocers, Inc. (AWG) is the United States's largest cooperative food wholesaler to independently owned supermarkets, grocery serving more than 3,500 locations in 35 states and from 9 full-line wholesale divisions. In addition to its cooperative wholesale operations, the company also operates subsidiary companies which provide certain real estate and supermarket development services, retail accounting, digital marketing services, military commissary supply, and is a wholesale supply provider of health and beauty care, general merchandise, specialty/international foods and pharmaceutical supply. It was founded in 1924 as Associated Grocers of Kansas City and is based in Kansas City, Kansas.

Retail Pricing Execution

Project Description: Retail Pricing Execution project goal is to displace old, inflexible applications in favor of a solution that can be adaptive to an ever changing landscape with regard to pricing and promoting product in store. In support of Retail Pricing Execution project, we will construct and perform unit testing of AIS(AWG Integration Services) components, Implement a new retail pricing application that enhances retailer experience, Promotional capabilities and offers best practices for pricing, Provide true cost of goods reflecting additions/subtractions of freight, excise tax, markup (VMC) and additional Ad dollars.

Responsibilities:

Developed and tested applications in Retail domain.

Designed message flows/sub flows and mapped the code as per inbound and outbound layouts.

Developed message flows for SOAP/HTTP and SOAP/JMS web service applications.

Designed and implemented Message Broker solutions for data validation, data transformation and routing using ESQL, XSD, XSLT and DFDL.

Have done Performance testing and tuning to meet Service Level Agreements.

Web Service Message Flow testing using SOAP UI tool.

Installed and configured IIB Toolkit for enabling design, development build and deploy message flows and message sets supporting integration bus applications.

Added the complete code base from file system to GIT repository.

Developed the message flows with various nodes Compute, Mapping, Database, File Nodes, MQ nodes, Flow Order Node, Try Catch node, Trace Node, HTTP and SOAP nodes.

Developed the service schema definition to validate the incoming messages to the broker.

Developed the message sets using web service description language (WSDL).

Developed the message flow with compute node to implement the business logic.

Worked with XML, XMLNS, SOAP and fixed length message formats.

Coded ESQL Compute Node and Database Node to query the databases and call the stored procedures.

Wrote the SQL queries to retrieve and insert the data into DB.

Developed message sets and message flows for real time transaction in synchronous manner.

Coordinating with Red Team to setup the environment for QA and PROD

Deployed the BAR file to T1, QA and PROD environments.

Coordinated with test team in resolving defects/ enhancements throughout testing cycle.

Documented all the procedures and implementation process.

Environment: IBM Integration Bus V10.0, WebSphere MQ 8.0, Soap UI 4.0, Windows 8, Putty, RfhUtil, AQT, Beyond Compare, FileZilla, ServiceNow, GIT Hub, Visio 2010, Linux.

AT&T, Dallas, TX Jul 14 - Mar 16

MQ/WMB Consultant

AT&T (American Telephones and Telegraph, U.S.A) is the world’s premier provider of voice and data communications, with more than 80 million customers, which include businesses, government enterprises and residential consumers. AT&T runs the world’s largest long-distance and Wireless network in North America. AT&T is the largest provider of both local and long distance telephone services, wireless service (formerly known as Cingular Wireless), and DSL internet access in the United States. The current company, which is based in San Antonio, Texas, United States, was formed in 2005 by SBC Communications’ purchase of its former parent company, AT&T Corp.

Responsibilities:

Understanding the business requirements and technical specifications of the application.

Designed and Developed ESQL, Message Flows, Message Sets using Toolkit.

Developed message sets in CWF, TDS, EDI, MRM formats.

Developed Web Services and Workflow based solutions for quick response time, integration with disparate systems and efficiency improvements.

ESQL was used extensively for message transformation.

Involved in Debugging ESQL code.

Assigned the message flows to appropriate Execution Groups in Broker Runtime Environment

Involved in a team that administered MQ, Message Broker in Development and test environments.

DB2 was used as broker database and Oracle was used for inbound and outbound message auditing.

Installed and Configured WMQ 7.0 on Linux, UNIX and Windows systems.

Added the complete code base from file system to SVN repository.

Configuration of WMQ, setting up of Queues, Queue managers and Channels.

Developed ESQL code for various message flow nodes like Compute, database And try/catch.

Deploying the message flows in WMB by creating the broker archive file/bar file.

Monitored and maintained MQ Series objects such as Queue Managers, Queues, channels and listeners.

Used MQSC Commands to perform administration tasks.

Setting up of new Queue managers and their load balancing of message flow.

Deployed message sets and flows on DEV and QA brokers.

Environment: IBM WebSphere Message Broker 8.0/9.0, WebSphere MQ 7.0, UNIX, Oracle9i/10g, DB2, J2EE, XML,ESQL, Putty, Windows 7, Linux, RFHUtil.

VF Corporation, Greensboro, NC Feb 13 - Jun 14

WMB Developer (IBM WebSphere Message Broker 7.0)

VF is the parent company for Lee, Wrangler, Northface, VANS and Jansport. VF implemented and maintaining Lee, Wrangler, NorthFace and VANS WebSphere Commerce websites and corresponding back end systems. Currently they are in production and as per the business user requirements fixing the issues or implementing new requirements to achieve marketing goals.

IBM WebSphere Message Broker is used as the middleware hub for the co-ordination of transactions between the front-end Web Sphere Commerce web sites, the backend Mainframe system, Order Management system, SAP, IP and GTNexus.

Responsibilities:

Responsible for requirement gathering and implementation.

Designed and Developed ESQL, Message Flows, Message Sets using Toolkit.

Involved in Designing and Coding of the flows.

Developed Web Service interfaces using SOAP nodes.

Deployed Message sets and flows on QA and Production brokers.

Developed interfaces with File nodes.

Processed XML messages with exceptions and performed message transformation, translation, validation for incoming messages, XML file lookups, database inserts, http posts.

Developed message flows which done XML/XSLT transformations, CWF-TDS transformations and conversions from one format to another, SOAP/HTTP, XML to MRM mappings and transformations.

Used Timeout notification nodes in the interfaces to invoke the service at regular intervals.

Coordinating with engineering team to setup the environment for QA and PROD.

Coordinating and giving KT to PM team for the projects moving to PROD.

Development of SOAP messages using ESQL to interact with Java Web service from message flow.

Building the bar files from the source control CVS and deploying to prod server.

Modified the Naming conventions as per the standards and streamlined the deployment process.

Environment: IBM Websphere Message Broker 7.0, Web sphere MQ 7.0, AIX, XML, Putty, UNIX, ESQL, Windows 7, Linux, RFHUtil, Order Management system.

Keane India Pvt. Ltd, Hyderabad, India. Aug 11 - Jan 13

Role: Java Developer

Responsibilities:

Participated in all the phases of SDLC including Requirements Collection, Design & Analysis of the Customer Specifications, Development and Customization of the application.

Involved in designing UML Use case diagrams, Class diagrams, Event diagrams, Activity diagrams and Sequence diagrams using Rational Rose.

Developed the Login, Policy and Claims Screens for customers using AJAX, JSP, HTML, CSS, JavaScript and Struts Tags.

Wrote authentication and authorization classes and manage it in the front controller for all the users according to their entitlements.

Designed and Developed Web Services using technologies UDDI, WSDL, SOAP to communicate to the other modules.

Involved in performance tuning of the application to meet nonfunctional requirements.

Used Struts tag libraries, JSTL and created web interfaces using JSP technology and deployed on WAS.

Configured the Hibernate configuration files to persist the data to the Oracle 9i/10g Database.

Wrote XML validation components using DTD, XML Schema.

Created XSLT style sheets for the XML data transformations that included both mid-layer transformations (XML to XML) and final transformations (XML to HTML).

Worked on developing the complete business flow and helped incorporate session validity checks, form validations and error handling in the application.

Deployed the jar, war and ear files on the WebLogic Application Server.

Involved in authenticating the user security credentials authentication using LDAP and for validating the user roles.

Wrote, debugged ANT, Maven Scripts for building the entire web application and deploy them on WebSphere.

Responsible for communicating with registered clients to resolve the requirements issues.

Environment: Java, J2EE, Servlets, Hibernate, Struts, WebLogic Application Server, XML, XSLT, JDBC, JavaScript, HTML, Oracle, Rational Rose, UNIX, SOAP, AJAX, LDAP, JUnit, DTD, XML Schema.

Optimal Solutions, Bangalore, India Jan 11 - Jul 11

Software Engineer

Project: Online Examination System for Recruitment

Description: This software was to be used as a testing package for the recruitment in a company. It can also be used as a self-evaluation package for the employee of the company. It has facilities to create Quizzes base on the combination of the various subjects and questions. Each created Quiz corresponds to various difficulty level and performance heads. Four types of users (Administrators, Programmers, Instructors and Students) have been incorporated.

This software used Java SE6 and the database is in Oracle 8i on Windows NT incorporating the Client Server technology. The database connectivity is made through the JDBC and ODBC layer. The GUI is made using AWT features to create different applets, frames and dialog boxes. Multithreading has been used to allow more than one Client to be connected to the Server at a time.

Responsibilities:

Implementing the User Interface using Swing.

Writing helper classes Testing.

Performed low-level design of the classes I was to code.

Made the GUI using AWT to create different applets, frames and dialog boxes.

Written code for connecting to Oracle database using JDBC.

Participated in doing database design.

Implemented client side data validations using JavaScript.

Implemented server side data validations using Java Beans.

Implemented views using JSP & JSTL1.2

Environment: EJB, Servlets, JavaScript, AWT, Applets, JDBC, Oracle, Windows.

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