- (2009 - 2012) Developed a user interface
and served as a software and regulatory consultant
and software team leader for a class 3 medical
device that delivers RF energy to the
patient. Recruited, and provided leadership
and supervision to, a team of 3 senior software
engineers and 1 senior software quality assurance
engineer. Software development was in C++ for
MicroC/OS-II, and design used Unified Modeling
Language on Sparx Systems Enterprise Architect.
Device made it through FDA PMA Supplement approval
in half the normal time.
- (2008 - 2009) Implemented a master-slave
communications system on an infusion pump for
veterinary use; software development in C for
FreeRTOS. Provided regulatory consulting services to
that client as they evaluated whether to certify the
infusion pump for human use.
- (2007 - 2008) Performed a full requirements
analysis and top-level design for a digital
communications system for Boeing 757 airliners and
freighters being developed to FAA DO-178B
standards. Client retained my services in doing
the requirements analysis while they searched for
a qualified permanent employee to continue the
development. System is based on MicroC/OS-II
- (2001 - 2003) Software architect and key
software developer for a navigational system for
installation on oceangoing ships. Also served as
mentor to other software engineers in the areas of
C++, VxWorks, Tornado, and Unified Modeling
- System provides a central redundant
fault-tolerant computer that takes inputs from
Inertial Navigation Systems (INS), Global
Positioning Systems (GPS), depth sounder,
magnetic compass, speed-through-water sensor,
and redundant weather sensors, and outputs
information to shipboard displays and other
- Central computer provides services including
Dead Reckoning capability so that the ship’s
position could be estimated in case of failure
of the INS and GPS.
- Central computer consists of two PowerPC
processors in a CompactPCI chassis.
- Designed central computer software using UML
on Rhapsody Modeler with implementation in C++
on VxWorks 5.4 and Tornado 2.1.
- Provided code modification and code review
services and assisted in testing and debugging
of the Graphical User Interface (GUI) for this
system, which was implemented on a ruggedized
PC using Microsoft Visual C++.
Compatibles - Windows, MS-DOS
- (2000-2001) Key software developer for a Voice
Over IP (VoIP) test system for use in testing and
validating VoIP gateways. Platform was PowerPC and
VxWorks with development under Tornado 2 in C and
C++ using Object Oriented Analysis, Design, and
Programming (OOA/D/P) including UML and Use Cases.
Served as mentor and instructor to other software
engineers. Served for a time as acting Principal
Software Engineer / Technical Lead for this
project while the client went about the process of
hiring someone on a permanent basis to assume that
- (2007) Performed a major software rehabilitation
and refactoring project on a complex machine
vision system whose software documentation has
become obsolete, and the C++ software has become
- (2003 – 2004) Served as Principal Software QA
Engineer for a new type of endoscope. Duties
included making sure that the software development
was in full conformance to the FDA Quality System
Regulation / 21 CFR 820, ANSI / AAMI SW-68, ISO
14971, 21 CFR 11, and each of the stakeholders’
internal Standard Operating Procedures. Also
served for a time as acting Software Project
Engineer for the project, with duties that
included managing the activities of a group of
off-site software developers, and assisting in
defining the job description and qualifying a
permanent employee to take over that role.
Compatibles - Unix, Linux
- (Prior to 2000)
Multiple Windows / MS-DOS projects completed;
details on request.
- (2007 – 2008) Served as independent software
quality assurance analyst for a new type of ice
cream vending machine; system used a Linux-based
multi-tasking software package driving custom
hardware to dispense individual servings of ice
cream of the customer’s choice of flavors and
- (2005 – 2006) Served as senior software engineer
for a multi-device, multi-node Voice over IP
communications network implemented on embedded
Linux in C++.
- (2004 – 2005) Designed and implemented the
software for a feasibility prototype of a SCADA
(Supervisory Control And Data Acquisition) system
to monitor and control the operation of appliances
in a shipboard galley for the US Navy. System was
implemented using the Iconics Genesis32 SCADA
platform and Visual Basic code. Also served as
advisor for system- and hardware-related issues.
- (Prior to 2000)
Other Linux projects completed; details on
- (Prior to 2000)
Numerous projects completed using 80x86, 68xxx,
8051 and variants, Z80 and variants, 6502 and
variants, PIC, and 1802; details on request.
REFERENCES: Available on request.
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