KRISHNA

Cell: 903-456-6657

Email: kanthhps@gmail.com

 

Summary:

·               Over 7 years of IT Multifaceted professional experience in Analysis, Design, Modeling, Development, Testing, Implementation and support/maintenance of Enterprise Application Integration (EAI), Middleware, Web based applications with IBM Web Sphere Data Power SOA Appliance, Object oriented and Java/J2EE.

·               Extensive experience in Finance, Insurance and Retail domains.

·               Over 4 years of experience with IBM DataPower Appliance Firmware (versions 7.x/6.x/5.x/4.x).

·               Over 2 years of experience in IBM WebSphere Application (versions 6.0x/6.1x/7.0x/8/8.5).

·               Over 1 year of experience with Web-Based, Distributed and Enterprise Applications with JAVA/J2EE technologies & developing applications with agile methodology. 

·               Hands-on experience with IBM message broker and MQ System Administration.

·               Experience in creating domains and user accounts, Importing and exporting configuration from one appliance to other. 

·               Indepth knowledge and Experience in Installation, Configuration and Maintenance of IBM WebSphere Data Power SOA appliances through Command Line Interface (CLI), Web GUI, and XML Management Interface.

·               Expertise in administration and configuration of Network Interfaces, WebService-proxy, XML firewall, SSL Proxy Profiles, XML Manager, Multi-protocol Gateway (to provide end-to-end business integration), WS Security, integration techniques for Data Power XI50, XI52 and XB62.

·               Admirable at implementing and managing Crypto Configuration Objects (Crypto Certificates, Crypto Keys, Crypto Credentials and Crypto Profiles (Forward, Reverse and both Directions) on DataPower).

·               Outstanding experience in troubleshooting transport level, transaction level, box level and debugging issues in IBM DataPower.

·               Experience in working with  both Web services ( SOAP and REST).

·               Created Configured and Administered Profiles, Clusters, Nodes and Node Groups for Web SphereApplication Server ,Configured and Secured Web server interface(https), Session management, WebSphere resources, J2C resources, Connection Factories and JMS resources in IBM Web Sphere.

·               Experience in Designing ESB architecture with high availability, scalability, error handling/exception processing, performance and recovery capability.

·               Experienced in configuring, creating and decommission of middleware MQ and MB infrastructure.

·               Experience in writing scripts to deploy Message flow and Message sets.

·               Worked on upgrade WMQ from version5.3 to version 7.0.1.0 on AIX 5.3 and Windows servers 2003.

·               Administered the WMQ Queue manager, Queues and Channels, Debugging the day to day problems.

·               Strong experience in configuring Web Sphere ESB.

·               Handled the MQ and Broker Clustered environment.

·               Experience in Development of various EDI maps using WTX and called the maps using the WTX node in MB.

·               Troubleshooting and debugging WBIMB messages flows using Trace nodes and throw node, Try and catch.

·               Experience in creating Problem Management Record (PMR), working with IBM.

·               Developed XSL stylesheets using DataPower Variables, DP XSLT functions, XSLT functions and XPath.

·               Competence in XML, XSD, XSLT, WSDL, SOAP and XPATH.

·               Expertise in setting up and maintain the policies and configuring rules and actions with DataPower services of MPGW, XML firewall, Web Server Proxy and Web Application Proxy.

·               Magnificent Knowledge over Web Services, SOAP, WSDL, WS Security, XML, and WSRR.

·               Highly Experience in remote technical support, patch management, troubleshooting, monitoring and supporting of WebSphere MQ and Message Broker environments and setting up the Development, Test and Production environments on UNIX (Sun Solaris, Linux, AIX, and Zlinux) and Windows servers. 

·               Experience in creating MQ clustered environments and creating MQ Series objects (Queue Managers, Listeners, Channels and Queues and enable the security). 

·               Ability to setting up Multi Instance Queue Manager as well HA clusters and have knowledge on working on Single Sign-on technologies. (like CA’s SiteMinder).

·               Experienced on MQMON to read the file and insert messages in queue based on index, this makes it simpler to modify any message in file and put it back in queue. 

·               Experienced in Integration of WAS to MQ and DP to MQ. 

·               Programming experience in Java, Servlets, JSP, Java Script, JDBC, JSF, XML, EJB, Struts, Spring MVC, Ajax, Hibernate, JDBC, HTML, DHTML, CSS and Web Services.

·               Outstanding knowledge in Front End technologies like JQuery, JavaScript, HTML and CSS.

·               Good team player with excellent communication skills, Conceptual, Teamwork, Goal oriented and a Quick learner.

Technical skills:

Middleware Skills: IBM WebSphere Data Power XI50/52, IBM WebSphere Message Broker V6.0/6.1/7.x, IBM WebSphere MQ Series 6.0/7.0, WebSphere Transformation Extender (WTX), WebSphere Service Registry and Repository (WSRR), RFHUTIL,MO71,webMethods,WMB Toolkit, Qpasa for MQ, Tivoli for WMQ and WMB, SOAPUI and XML SPY, Eclipse.

Languages/SW: C, C++, Java, J2EE, ESQL, XML, XSLT, XPATH, XSD, JSON

Operating Systems: Windows, UNIX, Linux distributions (Centos, Ubuntu), Mac OS.

Databases: SQL Server (2000)/2005, IBM DB2 Universal Database v 7.1/8.1, 9.0, Oracle 8i, 10g.

Application Servers: WebSphere Application Server 6.0/7.0, Apache Tomcat 5.x.

 

Professional Experience:

 

Sr. IBM DataPower Developer

Health Plan Services Tampa, FL, Mar 2014– Present

Responsibilities:

·               Involved in Administration, configuration, integrations support using DataPower Appliances XI50, XI52.

·               Proficient in executing CLI commands along with Web GUI and XML Management Interface for IBM DataPower administrative tasks.

·               Responsible for creating Web Service Proxy, Multiple Protocol Gateway Proxy, and XML Firewall for dynamic routing, message transformation, message enrichment, protocol bridging.

·               Experience In using WSRR with Data Power to achieve a better governance model across the enterprise.

·               Worked with different project QA teams to monitor, unit testing and functional testing Data Power development projects.

·               Implemented WS Security, Mutual Authentication, HTTP Basic Authentication, digital signatures including certificate generation and SSL Proxy in Reverse , Forward direction.

·               Developed several polices like AAA for securing various Web Services including service virtualization in DataPower devices.

·               Responsible for Trouble shooting the Message flows, ESQL code using the Debugger in IBM WebSphere Message Broker.

·               Responsible for the development of security frameworks using MPGW and AAA policies.

·               Responsible for the migration of firmware version from 6.0.1.0 to 7.0.0.10 in Sandbox, Dev, QA and Production.

·               Implemented Security concepts like Authentication, Authorization and Auditing using WS Security method, Basic Authorization Header etc.

·               Responsible for Secure Back Up, Firmware Upgrades and roll back of Data Power appliances.

·               Very strong in problem determination skills configuring Log Targets, setting up Logs levels, Audits Logs, generating Error reports, XML File capture enabling multistep probes […]

·               Involved in opening and working on PMR’s with IBM to solve issue related to the environment. Enabled traces as part of troubleshooting and used collector tool to submit the logs and traces to IBM enabling various traces and taking packets captures.

·               Various database interactions using DataPower Objects.

·               Created Restful services to communicate between SOAP to REST and REST to SOAP.

·               Developed XSLs transformations for XML to XML, XML to Binary, Binary to XML, XML to SOAP, and SOAP to XML with necessary exception handling.

·               Used multi results action to send one requests to multiple backend services at a time.

·               Implemented MQ reprocessing by using XSL Transformation in the production environment.

·               Integrated IBM WebSphere MQ with DataPower.

Environment: WID 7.0, WESB 7.0, DataPower XB62, WMQ 7.0, Rhfutil, Rational Clear Case, Java/J2ee, Web Services, SOA, BPM , JMS, EJB 3.0, XML, Lotus Notes, Soap UI, IBM DB2, SQL Server, MS Visio, TFIM, TAM, LDAP.

 

DataPower Consultant

ADT Denver, CO   April 2012- Mar 2014

Responsibilities:

·               Responsible for the Analysis, Design, and Development of Interface by using Data power XI50 and XI52 Appliance.

·               Technologies Used SoapUI, Wire Shark, WebSphere Transformation Extender, WebSphere MQ, XML, XSLT, SOAP, REST and WSDL.

·               Successfully configured Data Power Components including WS Proxy, XML Firewall, Multi-protocol Gateway (MPGW) and Web Fire wall.

·               Configured WAMC toll to manage Data Power appliances form different environments.

·               Developed and configured DataPower objects like Network interfaces, Protocol Handlers, Routing Policies, SSL Proxy profiles (Forward/ Reverse /Two-Way), WS Proxy Rules, WSRR subscriptions, Load Balancer groups, XML Managers, AAA Policies, User Agents and MQ objects etc.

·               Responsible for the design and administration of Crypto Configuration Objects like Crypto Certificates, Crypto Keys, Crypto Credentials and Crypto Profiles.

·               Experience in implementation of forward and reverse Authentication, Encryption and Decryption techniques, Digital signature usage etc.

·               Responsible for the system performance monitoring, digital certificate maintenance and Crypto certificate monitoring objects.

·               Created an XML firewall that performs Content Based Routing using XSLT and X-path variables.

·               Created XSLT's for transformation of XML.

·               Developed XSLT for making SOMA calls to capture DataPower appliance utilization metrics.

·               Development of XSLT's, for Restful based web services.

·               Developed and implemented Password Digest for Security.

·               Debugged XSLT Stylesheets and message flows containing XSLT nodes.

·               Developed XSLT to transform SOAP content to JSON/JSONX.

·               Experienced in perform configuration of Export and Import operations in between different application domains and expertise in comparing configuration in between domains or environments.

·               Experienced in working on PMR’s with IBM.

·               Worked in debug, troubleshooting various issues by using logs, probes and problem determination tools which are available in DataPower appliance

·               Created and managed log targets including user management, device configurations including domain creation, updating latest firmware versions

·               Involved in configuring load balancer groups on DataPower appliance for providing high availability solutions

·               Providing production deployment guidelines and execution plan.

 

Environment: DataPowerXS40, XI50, XI52, WSRR v7.5, WMQ V6.0/7.0.1/7.1, WMB V6.1/7.0/8.0, IIB v9.0, WebSphere Application Server V7.0/8.0,  TSO/ISPF panel, z/OS 01.12.00, OC/MQADMIN for MVS/ESA, XML, XSLT, XPath, XSD,  WSRR, RAD, RSA, Windows 2003/2008, AIX v5.3, SOAP, WebServices, Tivoli ITCAM

 

WebSphere Consultant

Verizon wireless   Irving, TX       March 2011 - April 2012

Responsibilities:

·               Involved in migration of WebSphere Application Server 4.0 to WebSphere Application Server 5.0.

·               Developing mapping for complex structures, building functional maps etc. in WTX.

·               Creation of Technical design, SIS documents, Function documents for Message broker interfaces.

·               Written java code for to extract information HTTP Name-Value pair.

·               Written java code for to Database connection pooling in Message broker.

·               Writing ESQL for calling Transforming messages, database transactions from the Compute Nodes.

·               Responsible for creation of reusable message flows for error logging and validations.

·               Configured WMQ Objects like Clustered Queues, Remote Queues.

·               Development of various EDI maps using WTX and called the maps using the WTX node in MB.

·               Troubleshooting and administration of IBM WebSphere Application Server 5.0 and IBM HTTP Server.

·               Configured the hub for XML document trading in WPG.

·               Created various document types, receivers and destinations in WPG.

·               Researched on integration of WTX with WPG.

·               Used WSDL to create Message Sets to send and receive messages from ACSS Application

·               All Front-End & Back End handler Configurations, All Processing rules Details, All Matching rules Details, All Processing actions Details, All XML manager Details, with DataPower.

·               Developed Policy for, WS-Proxy, MPGW/XML Firewall Service Configurations.

·               Developed WS -Security using LDAP.

·               Developed WSRR integration for Multiple WSDL implementation.

·               Effective Use of AAA for SAML Assertions.

·               Configuring Front-End(HTTP , FTP , MQ) & Back End handler Configurations, All Processing rules Details, All Matching rules Details , All Processing actions Details , All XML manager Details.

·               Creating PMR's (Problem Management Record) and coordinating with IBM for problems encountered by application teams.

·               Good writing skills in Developing XSLT (using DataPower extension functions and Variables), X-Path, XML-Schemas, WSDL, XML.

Environment: IBM WebSphere Application Server 4.0/5.0, WebSphere Data Power XS40, XI50, XI52, WMB v6.1/6.0, WAS V6.0, WSRR, WMQ v6.0/V7.0, ESQL, J2EE, TCP/IP, Linux, Oracle 10g, EDIFECS XENGINE 6.8.1, Windows 2033/2008, Tivoli ITMV 6,1 for MQ and Broker Agents.

 

Jr. WebSphere Consultant:

Temporary Disability Assistance  - New York State , Albany, NY : Jan 2010 – to- March 2011

Responsibilities:

·               Developed generic/helper templates in XSLT to use in transformation action across all the rules.

·               Created an XML firewall that performs Content Based Routing using XSLT and X-path variables Developed Policy for WS-Proxy, MPGW and XML Firewall Service.

·               Configuring Front-End (HTTP, FTP , MQ JMS) , Back End handler Configurations, Processing rules, Matching rules Details , Processing actions ,XML manager and Load balancers.

·               Developed WS -Security using LDA.P

·               Designed and Developed a POC to show the ESB functionalities of DataPower like Routing and Transformation and DataPower security handling using AAA service.

·               Developed a solution in DataPower as per the Message Contract requirement of the client to prove the dynamic routing and reusability of routing and transformation services.

·               Define message patterns (SYNC, ASYNC) implementation using DataPower.

·               Configured Data Sources in DataPower and developed Style Sheets to persist the DataPower custom variables as per the requirement.

·               Installation and configuration of IBM RAD 7.0 and WAS 7.0.

·               Writing XSLT for calling stored procedures, Transforming messages, database transactions from Datapower XI150.

·               Utility Servlets, utility JSPs, EJB & Web Services development and deployment.

·               Deploy, test and host the deliverables on Data Power dev and pre-prod environments.

Environments:  IBM WebSphere DataPower XI50 3.7.x, IBM RAD 7.0, IBM WAS 7.0, WebSphere ESB, Visio, EJB, Web Services, and Oracle 10g.

 

 

WebSphere/J2EE Developer:

Mindteck, Bangalore, Karnataka, Jan 2009- Dec 2009

Responsibilities:

·               Used various modules of Spring like ORM, AOP, Core, and Context.

·               Developed user interface using JSP, HTML5, CSS3, jQuery, javascript, JSON and performed client side validations using validation framework & JavaScript

·               Designed and developed the JMS objects and used JMS for synchronous/asynchronous communication

·               Implemented authentication& security of application with the help of TAM &Oracle DB.

·               Provided different level of security for different business user groups.

·               Expertise in implementing XML, HTML, DOJO, Javascript, jQuery, JSON, AJAX, AngularJS and REST API for reusable web interface components.

·               Used RESTful web services to query Apache Solr.

·               Used JDBC to connect to SQL & Oracle Database & used EJB for Transaction Management.

·               Stateless session beans in EJB were used for Transaction management.

·               Involved in performance tuning of Database.

·               Used AngularJS for UI MVC.

·               Implemented UI level & Action level validation for different scenarios.

·               Written SQL Stored procedures to facilitate processing of data in bulk.

·               Enabled fuzzy search of titles on UI by implementing full-text search of SQL. Created full-text index & stop list to rule out bad matches.

·               Involved in Database design and DB deployment.

·               Used UNIX commands to trail logs & debug issues.

·               Taken care of all deployment activities on QA, UAT & Production environment.

Environment: Java, J2EE, JSP, Servlet, Websphere Application Server, ibatis, informatica, Eclipse, PLSQL, JDBC, UML, C#, Rational Rose, Oracle OSM, Windows 2000. Java 1.6, RAD, JAX-RPC, Rest Web Services, Struts 2.0, Struts .

 

Education:

Bachelor of Technology (Computer Science).

Jawaharlal Nehru Technological University, Hyderabad, India.