Mark Warburton

I thrive on the challenge of solving puzzles and building robust and efficient systems. My solutions maximize quality in the face of technical, operational, and business constraints. Three areas drive my skill set:

Work experience with applications, servers, drivers, embedded and real-time systems, and networks.
Personal interests including programming languages, graphics, automation, aviation, geography, electronics, photography.
Education in electrical engineering, specializing in digital communications.

Specialties: Software architecture, problem solving and debugging, embedded and real-time systems, 2D and 3D geometry, aeronautics, C, C++, Swift, Ruby, Javascript, Python, Unix/Linux/QNX/LynxOS, system administration, shell scripting, website and database design.

Professional Experience

Senior Software Developer

TOVI Health Canada, Ottawa, Ontario (2017 - present)

Developed server and iOS/Android/web application software using Ruby and Javascript.
Architected features providing core app functionality, including personalized content recommendations, a rule based system for managing the user experience, and mobile push notifications.
Contributed to a small, highly skilled team using agile/scrum to implement new capabilities with speed and reliability.
Collaborated with UX/design, subject matter experts, and marketing teams.
Provided expertise on: architecture, algorithms, Kubernetes, Docker, Firebase, MongoDB, Elasticsearch, Nginx, and time zone calculations.

Senior UAV Software Engineer

Mist Mobility Integrated Systems Technology (MMIST), Stittsville, Ontario (2008 - 2016)

Designed and implemented flight control and navigation software for autonomous unmanned aerial vehicles (UAV/UAS).
Developed mission computer software and custom device drivers for the Snowgoose Bravo autogyro.
Developed flying software for the next generation Sherpa Provider guided parachute system.
Performed analysis and troubleshooting in lab and field trials.
Collaborated with electrical and mechanical engineering teams.
Provided expertise on C, C++, Python, QNX, LynxOS-178, aeronautics, 2D and 3D geometry, simulation, communication protocols, device drivers, multithreading and concurrency, hardware/software troubleshooting, MISRA, DO-178B, JIRA, Bugzilla, GNU Make, and system administration.

Senior EDA Software Engineer

Synopsys, Ottawa, Ontario (2002 - 2008)

Designed and implemented Electronic Design Automation software used to create mask patterns for sub-wavelength photolithography (Hercules and C++/STL).
Developed standard cell library creation software (Cadabra) in C++. Created a job scheduler using Bourne shell.
Developed infrastructure components: a build environment using GNU Autoconf/Automake; automated benchmarking and regression; parameter database with validation; logging; versioned persistence; cross platform support for Linux and Solaris.
Built an application in C containing an extended, embedded Python interpreter to allow encrypted programs to read and write encrypted files.
Provided expertise on Linux, Solaris, C++, gdb, Python, Perl, Perforce, CVS, SGE, LSF, gcc, Unix tools, computational geometry, software architecture, system administration.

Junior - Senior Software Developer

Nortel Networks Ltd, Ottawa, Ontario (1994 - 2001)

Software Consultant - Wireless CDMA:

On contract to the Nortel Wireless CDMA group for Element Management server design and development in Java using Rational Rose, Sun JDK, Borland JBuilder, and Solaris.

Senior Software Developer - Passport / Terabit Interceptor Network Management:

Developed a server in C++ to harvest inventory information from Passport devices. This involved servicing parallel requests from Java clients over TCP, querying devices for inventory information, and reporting results to clients. Made use of SNMP, XML, TCP/IP, Unix daemon control, Win NT service control.
Constructed a C++ porting layer and used it to port shared libraries and applications from Solaris to Windows NT (>100,000 lines of code).

Intermediate Software Developer - Passport ATM Core:

Designed, developed, and documented software in C++ for Passport ATM cards (Motorola Power PC and Intel 960) at all levels, including firmware, VxWorks, and command line interface.
Primed two ATM features through all design and implementation phases. The first feature implemented calculation and spooling of traffic statistics from an ATM interface. The second created a driver for configuring hardware enforced virtual link VPT.

Junior/Intermediate Telephony Software Developer - Advanced Intelligent Networks:

Designed, developed, documented, and patched real-time object oriented telephone call processing software for the Digital Multiplex Switch (DMS).
Mentored 6 employees.

Personal Experience

OttawaFoodies.com web app for sharing info about Ottawa's food sources with 6000+ registered users from 2006-2020. (Python, MySQL, Git, CherryPy)
OttawaFoodies iOS app for accessing info about Ottawa's food sources from 2016-2020. (Swift, PHP, Git, Xcode)
Home automation and security system involving hardwired and RF components, cameras, motion, smoke and heat detection, etc.
RaspberryPi for home automation and ADS-B, feeding inflight aircraft metrics to Flightradar24, FlightAware, etc.
Linux servers (Debian, Redhat, Slackware) with multiple internet domains for web and mail traffic.
Java front end to an SQL server for remote manipulation of a custom recipe database.
UDP server plugin for an MP3 player, allowing music playback to be controlled over a network.

Technical Skills

Languages:	C++, C, Swift, Ruby, JavaScript, Python, Java, Perl, PHP, Tcl/Tk, Scheme, Forth, assembly language, HP RPL, BASIC, bash/sh shell scripting.
Operating Systems:	iOS, Android. Mac OS, Windows. Linux, QNX, LynxOS, Unix, VxWorks.
Tools:	Git, Mercurial, Subversion, CVS, Perforce, ClearCase, gcc, gdb, sed, awk, GNU Make, Xcode, Android Studio, Eclipse, IntelliJ, CrossWorks, Bugzilla, JIRA, MySQL, MongoDB, Elasticsearch, Matlab, LSF, vi/VIM, Emacs, LaTeX, office productivity software.

Education

University of Victoria:	B.Eng. Electrical Engineering in Digital Communications (1994)
Co-op 6	Bell-Northern Research	Developed OO base class library components.
Co-op 5	BC Ministry of Forests	Developed terrain visualization software in C++.
Co-op 4	Albacore Research	Developed CAD software in C++ for the design and machining of ship propellors.
Co-op 3	BC Ministry of Environment	Managed a LAN. Supported and trained users.
Co-op 2	MacDonald-Dettwiler	Developed satellite image processing software for the European Space Agency.
Co-op 1	BC Ministry of Environment	Developed databases and spreadsheets. Evaluated GIS software.

Awards

Canada Scholarship
University of Victoria Entrance Scholarship
Faculty of Engineering Entrance Scholarship
British Columbia Provincial Scholarship
British Columbia Passport to Education
Oak Bay Secondary School Computer Science Scholarship
Honourable Mention in Commonwealth Essay Contest
Various Nortel recognition awards

Additional Information

Interests and Hobbies:	Software development, photography, videography, animation, home automation, robotics, hobby electronics, aviation, piano, guitar, synthesizer, xaphoon, accordion, tin whistle, written composition, coffee roasting, winemaking, world cuisine, cooking, nutrition, travel, psychology, medicine, biology, geography, hiking, cycling, skating, cross-country skiing, tennis.
Typing:	80 words per minute.
Languages:	English (fluent cultural), French (limited), German (limited), Portuguese (limited).
Security Clearance:	Held Secret (Level II) clearance with the Government of Canada until expiry, 2008-2018.

Senior Software Engineer