Kerry Kartchner

Intuit Principal Engineer/Architect February 2012 - Present

• Organizational Proficiencies: Leading by Influence, Stakeholder Engagement, Architectural Design
• Technologies: Node.js, Ruby-on-Rails, Java, Amazon Web Services, SiteSpect, Ensighten, Adobe Experience Manager(CQ), CDH4(hadoop)

Enterprise Business Services - Marketing Platform

Page Registry / Metadata services for registering page entities for marketing analytics

• Detailed a complete architecture (competitive analysis, design, services, UI interaction flows, workflow process)
• Aligned with data analytics stakeholders and interfaced tightly with engineering teams

Clickstream Datacapture Architecture / Defined ingestion pipeline and refinery warehousing clickstream and 3rd-party data in Hadoop

• Designed clickstream and Third-party data ingestion architecture
• Communicated architecture with enterprise architects and business stakeholder for alignment

Novo / Node.js application framework for hosting

• Integrated best-practice performance monitoring design from Mint.com for global web marketing
• Refined deployment and development architecture for node.js deployment on AWS
• Implemented dynamic route synching for Node.js web tier fronting Adobe CMS, enable routing changes without deployment

Showroom CMS / Integration of Showroom Ruby-on-Rails application to Adobe CMS

• Designed Architecture to enable dynamic serving of content combining RESTful services and content authored in Adobe EM
• Defined deployment and development architecture for migration to cloud hosting on AWS
• Implemented cookie governance monitoring modules
• Proxy configuration

CMS Rollout / Adoption of Content Management System for Small Business Marketing

• Evaluation of requirements, vendor selection, costing
• Defined technical integration architecture for integrating clickstream analytics, web hosting, CDN, and backend services with Adobe EM
• Design and implemented ReSTful services in Java, including EHCache integration

AWS Hosting / Cloud Steward for Global Marketing Sites

• Defined deployment and development architecture for migration to cloud hosting on AWS for Showroom and Novo projects
• Architecture for integrating testing services into AWS CI/CD pipeline

Yahoo! Principal Engineer [IC5] January 2006 - February 2012

• Development Proficiencies: PHP, C++, Objective-C, Python, Zend extensions, opencv, MySQL, iOS, Scale
• Yahoo Technologies: shmproxy, vespa, ydbm, mdbm, ymdb, messenger protocol, yapache, YUI

Flex Force (Tiger Team)November 2009 - February 2012

Yahoo Bubbles iPhone App / Prototype to provide location-based chat and media sharing

• Led development team in backend services, design and implementation phases
• Implemented photo sharing services and iOS UI integration

Yahoo Local iPhone App / Project for Yahoo Local to link users to businesses in their neighborhood on iOS

• Led development team in design and implementation phases
• Implemented proximity and neighborhood selection logic and interface.

Customer Portal / Project for Yahoo Premium Services (billing system)

• Utilized C++, Perl, Java to extend existing functionality for critical partner integration

Lattice Open Source / Effort to refactor Lattice project for potential open source release

Ad Serving Monitoring / Project to aggregate and analyze runtime metrics of advertisements to replace or remove ads.

• Wrote client library for Sherpa distributed hashtable service (Java)
• Implemented histogram aggregation for Latency and Timeout metrics over various intervals

Buzz / User voting content ranking site Intl GA June 2008 - October 2009

• Migration and production support for Buzz International GA release.
• Rewrote and optimized vote aggregation server.
• Updated Moderation Review system integrated with mechanical-turk moderation system.
• Standardized Web Service API layers.
• Big Brother abuse filter integration.
• Participated in rearchitecture of asset management.
• python-based image-processing server (cropping, scaling, face detection [via openCV lib]).
• Implemented first-cut naive vote spamming algorithm.
• Analysis of categorization engines.

OpenMail / Applications that can plug into Yahoo Mail (Prototype) January 2008 - May 2008

• Initial design and investigation, requirements gathering
• Implemented Application storage and management for prototype
• XML over HTTP APIs to back client library interfaces.

MyM / Yahoo Messenger for the Web interfaced with external social sites 2007

• Developed Lattice webservice framework used across several Yahoo! properties
• Designed, implemented Social Network integration framework
• PHP-based shmproxy services [had to extend proxyio zend extension]
• Built XML interfaces for Messenger protocol for web messaging client apis
• Contributed to design of vitality platform for integrating events on myM and Facebook/myspace/aol

Photos / Development and release of Yahoo Photos 3.0 2006

• Built middle tier PHP interfaces to C++ APIs communicating over shmproxy.
• Managed Pixami photobook servers
• Reorganized production monitors

Interwoven Sr. Member of Technical Staff October 2002 - December 2005

TeamSite 6.x / Web Content Management platform

• Proficiencies: Java, Model 2, Servlets, JSP taglibs, Cross-Browser DHTML, CSS, JavaScript, XML, XSLT, Ant, Junit, i18n, Tomcat, Java Applets
• Primary Role: Primary development for TeamSite FormsPublisher for five releases from TeamSite 6.0 to 6.7.

• Participated in ab initio redesign of TeamSite FormsPublisher for the 6.0 release, addressing design and interface flaws in previous releases.
  • Implemented Creation/Editing commands using Interwoven's Struts-like Model 2 framework
  • Designed and coded all data-capture template parsing (server-side DOM/XSL). This required merging the parse trees of form descriptor and the data files, according to principles (recursive definition, sequential patterns, parent-child relationships) that inhere in schemas for XML, to create a form which enables direct modification of the XML data.
  • Authored all data-capture client-side rendering code (HTML, JavaScript, DOM and DHTML).
  • Devised various DHTML/AJAX controls for editing sessions (sticky tooltips, replication, popup menus, state changes, etc.).
  • Added robust CSS customization support for data-capture templates.
  • Created new XML binding mechanism for associating XML data with form elements.
  • Implemented internationalization support for FormsPublisher.
• Developed new features for a major revision of the public JavaScript API [FormAPI 1.2].
• Addressed rendering/loading scalability and speed bottlenecks for TS6.1.

• Secondary Role: Contributed to various aspects of the TeamSite web application as a whole.

• Ported file download/upload java applet for Mac OS X.
• Volunteered as point man for Mozilla browser bugs and escalations.
• Improved cache handling / Apache tuning for all TeamSite in the 6.5 release - reducing network traffic by over 50%
• Presented multiple customer-facing technology demonstrations for Interwoven DevNet forums.
• Participated in next generation user interface toolkit design from initial phases to prototyping.
• Maintained user interface toolkit for TeamSite 6.7 release.
• Addressed numerous cross-browser HTML, CSS, and JavaScript issues.
• Resolved many dozens of customer escalations.
• Wrote enhancements for a JSUnit-based distributed JavaScript testing framework.

IONA Technologies Sr. Software Engineer December 2000 - August 2002

Collaborate / Platform to integrate business activities among trading partners.

• Proficiencies: Java Message Service, XML, XML Schema, XSLT, Servlets, Web Services, Jython, Junit, JNDI, JDBC, SQL, Oracle, Business Integration.

• Led development of system to send, receive, and transform JMS messages on two distinct architectural platforms.
• Developed JMS adapter for Orbix End2Anywhere platform for exchange of JMS messages for B2B scenarios built on J2EE and Oracle 8.
• Developed JMS adapter for as part of IONA Web Services Platform for internal system integration.
• Created XML Schema parser for automatic validation and generation of Swing GUIs for adapter configuration.
• Implemented framework to correlate responses in round-trip transactions, providing flexible mapping of JMS fields to join tables.
• Refactored logging and management components of adapter architecture.
• Established performance benchmarking tests for business integration scenarios.
• Developed lightweight JNDI service for JMS administered objects.
• Tested performance and compatibility on IONA ART-JMS, BEA WebLogic, SonicMQ, IBM MQSeries.

Angami Systems Sr. Software Engineer May 2000 - December 2000

Angami.com / Web Application built on J2EE architecture for managing employee referral programs.

• Proficiencies: EJB, SQL, Oracle, Servlets, JSP, JDBC, Weblogic.

• Designed secure authentication system for web application making extensive use of EJBs, JDBC, and appropriate design patterns.
• Reimplemented caching architecture for security objects to significantly improve the performance of the authentication system.
• Extended functionality of security system to include notion of domains using EJBs, JSPs, JDBC, SQL.
• Redesigned servlet UI of the security management module, and adapted it for changes to the underlying security code.
• Created various EJB components to model and present referral trees.
• Engaged in design of database schema, SQL for bean-managed persistence.

Atypon Systems Software Engineer September 1999 - May 2000

ConceptBrowser / Data mining tool for hierarchical mapping of scientific research documents by lexical hierarchy [MeSH], and iterative query building.

• Proficiencies: Swing, Servlets, JSP, RMI, JNI, SGML Parsing techniques, Content indexing concepts, large datasets.

• Constructed Swing based client and AWT based applet for generating metadata-based searches.
• Built server architecture for querying 40,000 node tree structure via servlets, JSP, and RMI.
• Created JFlex/CUP parsers to extract meaningful semantic information and other metadata from a large SGML corpus.
• Implemented multithreaded asynchronous push protocol for real-time manipulation of metadata hierarchies.
• Developed flexible search interface to Verity search engine via Java Native Interface.

GTE Software Engineer July 1997 - September 1999

• Proficiencies: AWT event model, JavaBeans, Distributed Objects, C++, Real Time I/O handling, Buffering, MFC.

InfoWorkSpace / Collaboration environment incorporating audio/video conferencing, chat, whiteboarding via Java client and Java servlets.

• Developed client-side navigation and event handling architecture for lightweight client application.
• Designed search interface between Java client and Netscape Compass Server using distributed objects.
• Implemented various Java components for HTML rendering, component data caching, user addressing, audio playback.
• Incorporated web based interface for telephony server, enabling telephone-based voice messaging access.

FlexModem / Control and integration software for a 52 Mbps adaptive VDSL modem prototype.

• Designed a state machine architecture for control and fail-over reliability of modem.
• Developed a Windows GUI application for real-time control and display of status information.
• Created a custom interpreted scripting language with flex and bison.
• Designed and implemented a unicast client/daemon for buffered delivery of MPEG video.