Upender Rao Vuppalanchi

• Neuroflux-AI-Bot. I built it all solo from ground up. Developed features such as Human like interaction, emoji capable interpreter, easy chat session tracker, futurestic look and feel REACT app
• GeoNest - Designed & Developed from scratch to final cloud deployment for travel loggers.
• Live Demo Site - https://front-end-firebase-ad595.web.app/
• Developed Front-End-UI Mockups from scratch to complete working Application using ReactJS
• Deveoped UI Includes HomePage, DropDown Menu, Login, SignUp, Aauthorization,file uploads, google maps preview and more.
• Designed and developed complete Backend utilizing ExpressJS, nodeJS and MongoDB.
• Desinged and developed data models and RESTful Micro Services api using NodeJS, Express
• Planned and engineered RESTful web services to manipulate dynamic datasets as JSON documents
• Implemented JWT web Tokens, and Hash techniques to ensure site security and authorization flows.
• Developed UI solution ensuring complete state management utilizting react hooks such as useState, useEffect and created custom hooks.
• Designed and developed routing features that involve login, logout, add places, edit places and more
• Integrated Google Maps and Geocoding API
• Integrated Multer modules for efficient file upload and storage features of the application
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• Built POC involving builder.io, NEXTJS, REACT, NodeJS, Express, headless CDN
• Kaiser Permanente, acquired numerous healthcare provider networks including Risant Health,Geisinger Health and Cone Health, with more acquisitions likely and are on going. Kaiser/Risant Health was created to build a portfolio of value-based care systems.
• Conceptuilized indoor, outdoor and shared services to bring varying and desparate health care systems to adopt into Kaiser Permanentes' standards but with more robust and modern technology adoptions. Goal is to build solution that is highly customizable by every health care as more and more acquisitions happen and a solution platform that needs to be developed to cater the wide needs.
• My project ended as part of different IT group take over at Kaiser Permanent

• Company Overview: Union Pacific (UPRR): UPRR is a major railroad service provider that operates 8.5K+ locomotives over 32K miles routes in 23 U.S. states. The efficiency and accuracy to handle at scale real-time train movements is achieved through enterprise level SOA based architecture which is extremely complex.
• Developed cloud based USM an in-house application to address critical business functions and solution remediations.
• USM solution provides ability to define business feature SOA Path Call Chains, monitor metrics, status at the connected services call chain level.
• Identified technical issues related to business feature failures or service degradations and facilitate accurate real-time root cause identification and auto recovering from the failure or trigger effective notifications.
• Root cause detection is performed at very macro level to achieve finest granularity including disk space problems, server memory degradation, server health status checks, network failures, DB failures or other dependent service failures until the precise root cause is detected, remediated, or alerted at enterprise level by leveraging NEO4j graph DB advanced capabilities.
• USM advanced capabilities include providing automated predictive recommendations and capacity planning opportunities by detecting and sending notifications as well as display those in angular based SPA UI.
• USM offers numerous platform health dashboards, integrated with Grafana to scale for handling demands via auto detect of HBase cluster if in trouble and switch during high demand.
• Adopted Java, spring, spring boot, neo4j graph DB, GC APIs, GC engine, Big Query, Angular 10, ML, Deep Learning, Coherence cache, oracle DB, XML, JSON, REST, Kubernetes, Kafka, Maven, Git, Jenkins to build and achieve USM capabilities.
• Union Pacific (UPRR): UPRR is a major railroad service provider that operates 8.5K+ locomotives over 32K miles routes in 23 U.S. states. The efficiency and accuracy to handle at scale real-time train movements is achieved through enterprise level SOA based architecture which is extremely complex.
• Utilized CloudFormation on UPPR owned ICE platform(EC2 web servers) for USM DUs.
• Developed and enhanced USM UI features such as dashboard, product catalog, product lines, metrics viewer, product feature using Angular components, form validations, dependency injections.
• Developed neo4j graph DB SOA call chain data models to represent as nodes, patterns relationships, paths and hierarchy levels using neo4j cyphers and clusters.
• Developed java-based REST plugins to extend procedures and functions on top of neo4j-graph Database as an API-layer including authentication to facilitate business data flows within and across USM product.
• Optimized product using Angular component based feature black-out techniques to prevent false systemic escalations.
• Enhanced the product by increasing the performance multi fold to an extent of 5x times utilizing efficient debugging techniques.
• Diagnosed and provided technical solution to complex systemic neo4j graph-DB sever degradation and failures that triggered widespread enterprise level degradation of business services by reconfiguring Linux swap memory size(all servers in the cluster), OS Memory size, Page-Cache-size Heap-space, neo4j memory heap initial_size, neo4j memory heap max_size.
• Provided production support and handled PagerDuty calls periodically.
• Automated the development life cycle using Maven, Git and Jenkin pipelines.
• Performed code reviews for the team and enforced best practice solution implementations.
• Mentored junior team members and managed offshore based team to meet product business technical needs.

• Company Overview: GAP Inc & Macys Inc. Responsible for providing technical leadership for Stores MiniQ Team, that currently owns many Web based applications.
• Responsible for providing technical leadership for Stores MiniQ Team, that currently owns many Web based applications.
• Critical applications that include ORPOS, SIS, Metadata, etc, continuously undergo various enhancements and deliver high value solutions to GAP and directly relates to revenue generation and business continuity for GAP and all of it brand stores.
• GAP Inc & Macys Inc. Responsible for providing technical leadership for Stores MiniQ Team, that currently owns many Web based applications.
• Provided REST based unique id solutions for multi site hosting scalability solutions.
• Provided Java Spring Batch Based solutions for credit platform migration project at Macys.
• Utilized OAuth2 as part of MACYS migration from Amex to Citi Fusion to be the new preferred credit card and the related authentication needs as part EMV initiative.
• Architect and implement migration of credit cards using spring batch reader, processor and writer frameworks along partitioning techniques to handle high volume of data for DB2.
• Provide highly efficient SQLs for auditing the conversion process and intermediate updates for integration needs for DB2, Oralce on Linux, Unix and Windows.
• Liaise with other technical managers, architects, release managers and swiftly resolve conflicts related to cross team dependencies related to tech stack AJAX, JQUERY, AngularJS, NodeJS, Promises, SOAP, REST and DB issues.
• Ported the caching implantation from Oracle Coherence to Eh-Cache for Customer module.
• Define various best practices for the team from time to time as part of continuous improvements.
• Collaborate technical ideas & solutions with the team, and with external teams.
• Design and execute solutions for OrPOS product using JavaScript, Swing, Java, myBatis, Oracle, SQL, and proprietary frameworks such as Manager Technician, User Interface, Retail Domain Objects, Tour Framework, Customizations thru parameters and maintain data compliance for backend systems that are ARTS compliance.
• Utilized MVC Pattern, Factory Pattern, Command Pattern & singleton Pattern for OrPOS solutions.
• MOM file processing via CO architecture to support retail store transaction needs thru JMS solutions asynchronously.
• Provide S2C, store 2 cloud solutions using SIS (Store Inventory System) architecture.
• Provide technical solutions to various functions in SIS including, price lookup, Ship from store replenishment, pre-ticketing, on Hand Update, Transfer, Shipment, Inventory Count.
• Provide SIS solutions to consume data thru REST service requests.

IBM - Cisco Inc (07/13 - 11/14)

• FALC Group, Cisco. Fixed Asset Life Cycle Group at Cisco Systems, Inc., uses IBM’s Maximo enterprise asset management software to operate, track dispose and maintain compliancy with Tax and other Regulatory requirements for its enterprise assets.
• Technologies used – Java, J2EE,MEA, MIF, Maximo MBO API, Maximo UI, Hibernate , Oracle, DB2, Spring, Javascript, AJAX, JQuery. Increase transactional and UI performance for critical modules.
• Carried out variety of traces for JVMs, Websphere, and Database using ITCAM, DB Utilities, and Maximo SQL Loggers etc.
• Initiated JVM heap size increase after auditing CPU & RAM for performance improvement.
• Re-architected the solution to have Batch Architecture to stop flooding of transactions.

IBM -ITD Group (05/10 - 06/13)

• Company Overview: ITD Group, IBM. ITD Group at IBM is responsible for implementing Maximo Asset Management for various Clients.
• Customized Maximo that is is built on ITIL V3 standards and developed solutions using J2EE Architecture.
• Technologies used were DB2, Websphere, JMS, Java, Linux, Oracle, Maximo, Windows, FTP, SFTP, and LDAP.
• Carried out UI Customization involving Label Changes, hiding fields based on users and roles using XML and custom JavaBean controllers.
• Used Java MBOs and well Versed with Java MBO Performance methodologies and rules.
• Worked with Maximo Integration Framework for data flow between Maximo and External systems utilizing Web Services and Service Oriented Architecture (SOA).
• Ensured the message management is implemented reliably and configured end to end settings related to JMS Queues.

Oracle Corporation (formerly Sun Micro Systems) Santa Clara, CA. (05 - 04/10

• Marketing Solutions for Oracle Global E-Marketing Group. Oracle E-Marketing Group is the Core Group providing contact to revenue-based application solutions in a wide range facilitating increased revenues for Sun.
• The solutions provided are in the various forms such as Web Based, ETL based, Reporting Based, Data Warehousing, Data Mining and Data Collection of user data from various servers within Sun as appropriate for various Marketing related Business requests and objectives using, Green Plum, Oracle.
• Developed a Data Engine based on funnel algorithm to supply data to outside marketing campaign vendors such as Responsys which does email campaigns for Oracle Corporation that has very high success rate of converting visitors into Customers.
• Designed the Architecture for Contacts Consolidation Star Schema and later developed and built the application which is a very large data system for Sun E-Marketing Group.
• Designed the Architecture for scoring model schema and developed the application on top of the newly built contacts consolidation large Data Warehouse that precisely identifies very high potential customers.
• Provided a very effective Database and SQL high performance solution to one of our consumers of data that involved queries and loading of data comprised of 2 billion records and continuing growth at the rate of 5 million records per day.
• Migrated data from Oracle to Green Plum and vice versa.

Cisco Inc (04/07 - 05/08)

Sales and Use Tax Enhancement (SALUTE) for E-LESE. E-LESE (Electronic Leasing End-to-End System Enabler is a browser based full cycle lease origination system for Cisco Capitals Leasing business. SALUTE project extends E-LESE with complete end to end Tax Features with an integrated and robust Tax Engine fully customized for complex E-LESE functionality. The solution is implemented using the following technologies, Weblogic 8.6.1, J2EE, Spring, UML, JDK 1.4.2, EJB, servlets, Oracle 9i, SQL, Lease Pak 5.3, Business Objects 6.x, Informatica 7.1.4, Unix SunSolaris 5.8, Shell scripting and Windows.

Visa Inc. (09/04 - 03/07)

• Company Overview: Commercial Card Data Repository Integration.
• (CCDRi). CCDRi is a B2B hub, providing value added services of data (invoices and financial transactions) through MS SQL Server and DB2 provided by members, merchants or 3rd parties and delivering the enhanced data back to members, merchants or 3rd parties with robust portal and highly complex backend architecture that is global.
• Built Java based credit card processing solution named - Commercial Card Data Repository Integration (CCDRi)
• Technologies used Java, MS SQL, DB2, UNIX, WebSphere, SQL, PL/SQL,Network protocols like simple FTP, Secure FTP, Connect Direct, File Exchange, Data encryption technologies like PGP , WRQ secure server using various algorithms

YesMail (12/03 - 08/04)

• Provided excellent innovative design and solution for Quick Checker Parser Tool and spam assassin integration. This captures deliverability statistics into oracle database, for all the email campaigns, automatically logs into email Accounts of various ISPS like Comcast, AOL, MSN, Hotmail and Yahoo to gather email info that helps to calculate deliverability statistics of any email Campaign. Designed and developed database Schema in Oracle 9i, Sybase, QC Java API programs using JDK 1.4, JSP, EJB, Servlets, JDBC, Java Mail API, JBOSS, Jetty and utilities.

Wells Fargo Bank (10/02 -12/03)

• CDID-Data Warehouse. -CDID (Commercial Data Integration and Delivery) is a Data Warehousing Application that calculates Wells Fargo Overall Revenue. This is a Data Mart designed and productionalized as Star Schema using Oracle 9i, DB2, HP UNIX, Excel Pivot Tools, and SQL & SQL Navigator.
• Provided Technical Leadership in developing very effective and robust Extract Scripts using Unix Shell Programming, SQL and FTP tools to extract CDID STAR Schema into flat files. These extract scripts are programmed to automatically extract CDID into flat files and send them to Maintenance Server through FTP and Unix Cron Jobs where they are served to Bankers who need Revenue Information.

Oracle Contracts for Lease, e-Business suite - Oracle Contracts for Lease provides e-Business Leasing solution that spans the complete lease lifecycle. The project scope involved, developing functionality for the Customer Service Module of Oracle Contracts. This project is being developed in Java, JSP, Servlets, JavaBeans, JavaScript, XML, MVC, JDeveloper, DreamWeaver, JTF, and Oracle Contracts, Oracle Applications 11i, SQL, PL/SQL, SQL Navigator, Exceed, and Tarantella & UNIX.

Viador B2B Enterprise Information Portal - Viador is one of the leading B2B Enterprise information Portal corporations. I was responsible for development of Self-Registration Portlet, an Advance Search feature and VPC API for the product. These modules are developed using EJB, JMS, J2EE, JDK1.1.7b/1.1.8/1.2/1.3, JSP, Servlets, XML, HTML/DHTML JavaScript, WebLogic 6.0, Dream Weaver, IIS 4.0, DB2, Oracle 8i/8.0, SQL Server, Sybase Visual Source Version Control System, UltraSeek Search Engine 3.1.5/4.0, FrontPage, Netscape Enterprise Server 3.51/3.6, Windows NT, SunOS 4.1.x.