TrafficTower, LLC -- ITS, telematics, and traffic data software solutions

Robert Stack
Sunnyvale, CA, USA
robert.stack ~at~ traffictower ~dot~ com


Experienced senior software engineer focused on high profile maps, traffic, OpenStreetMap (OSM), and Intelligent Transportation Systems (ITS) projects using a variety of technologies. Served in many roles including technical team leadership, Agile delivery, project management, consulting, marketing, design, development (Java, C, SQL, Linux, more), integration, and documentation.


Staff Software Engineer, 2011-Present
Telenav, Sunnyvale, CA;
Serving as technical lead for a highly talented US/EU/China based team, driving OpenStreetMap (OSM) data and service integration development for Telenav mobile navigation apps and additional use cases

  • Providing hands on direction for many Telenav OSM focused projects, such as navigation focused data editing, automated high frequency map data integrity checks, GPS probe data processing for map enhancements, and map data quality assessment
  • Scrum master for a 10+ developer and QA on- and off-shore Agile team through the multi-year Telenav Scout OSM implementation, integration, and delivery; coordinated many aspects of this project with a wide range of stakeholders
  • The rollout of OSM maps for the Scout mobile navigation app in 2014 was a great success for Telenav and complemented the navigation apps built by acquired EU based Skobbler; quality and service performance are on par with and much fresher than the replaced commercial map data
  • Designed, developed, and delivered Telenav Traffic Locations, the world’s first commercial grade deployment of OSM traffic location segmentation for incidents and real time/historical traffic flow
  • Telenav Traffic Locations serve navigation and map display use cases; built in Java by analyzing the topology and attribution of the OSM road network and integrated with frequent automated map data deliveries
  • Presented Telenav OSM initiatives at two State of the Map (SOTM) US conferences; hosted OSM map editing Mapathons in Los Angeles and Phoenix

    Software Consultant, 2004-2011
    TrafficTower, LLC, Tempe, AZ
    Served in a variety of roles from oversight to integration to software development in the ITS and traffic data arena for public and private sector clients

  • For the Minnesota Department of Transportation (MnDOT) (, developed a Java application with XSL and CSS to create frequent HTML roadwork and event reports integrated from online XML and RSS sources; improved traffic management center operations
  • For the Massachusetts Department of Transportation (MassDOT) (, served as technical liason to direct, design, prototype, and release software changes for the Boston Central Artery/Tunnel traffic management system
  • For MassDOT, developed multiple testing and integration strategies to verify OpenVMS Itanium hardware and software upgrades for the operational Boston Central Artery/Tunnel traffic management system
  • For MassDOT, configured and refined enhanced life safety focused real-time tunnel ventilation control software; developed and led operator training resulting in enhanced 24x7 monitoring and emergency response
  • For NAVTEQ (, developed a prototype real-time metropolitan area XML traffic flow data feed in Java using Apache Axis (SOAP) interfacing to an ITS standards based web service

    Software Consultant, 2001-2004
    Honeywell Technology Solutions Inc., Columbia, MD;
    Enhanced and expanded traffic management center software functionality and operator interfaces for the Boston Central Artery/Tunnel project

  • Upgraded operational control system software using C, X/Motif, and Sybase to maintain consistent reliability and performance during system expansions
  • Provided software test and operations support during high intensity system transitions supporting major Central Artery/Tunnel roadway opening deadlines
  • Shared extensive strategy, project, and system expertise with a large team responsible for delivering many new subsystems under tight schedule constraints

    Senior Engineer, 2000-2001
    TrafficStation, Los Angeles, CA
    Created new traffic data acquisition software in Java and Oracle for the relaunch of a real-time commercial traveler information service covering 30 markets

  • Developed a real-time traffic data collection system in Java which retrieved data from many online sources and normalized it into an Oracle database
  • Focused on a team relaunch of traffic information products using all new JSP, Java, and Oracle software on Win2K and Sun servers; went live in 6 months

    Transportation Systems Manager; Senior Software Engineer; Software Engineer; Applications Engineer, 1994-2000
    Transdyn Controls, Inc., Pleasanton, California;
    Developed traffic incident detection and management software for the Boston Central Artery/Tunnel project; led enhancements for additional customers

  • Analyzed, designed, developed, and integrated new traffic management software in C, X/Motif, and Gensym G2, an object oriented expert system
  • Designed, developed, and maintained a highway traffic simulation suite in C to test incident detection software performance
  • Recruited, led, and mentored new transportation software team of 4 members to meet company's increasing ITS market presence

    Research Assistant, 1992-1994
    Institute of Transportation Studies, University of California, Irvine, California;
    Developed and delivered an expert system using Gensym G2 for Caltrans to guide traffic management center operators responding to traffic incidents

    Project Assistant, 1989-1991
    Los Alamos National Laboratory, Los Alamos, New Mexico;
    Developed software for the Department of Energy Center for Computer Security in UNIX, MS-DOS, VMS, and Macintosh environments


  • M. S., Transportation Engineering, University of California, Irvine, March 1994; Thesis: "A Real-Time Expert System for Freeway Incident Management"
  • B. S., Computer Science, minor Mathematics, University of New Mexico, December 1990;
    Text version of this resume