Christopher J. McKenzie               
Los Angeles, CA                       Part-time, Contract, or Full-Time
(Relocation OK!)                      US Citizen                        
Cell: 657.210.1337                    http://github.com/kristopolous

Objective:

To work with teams of bright dedicated individuals on difficult and 
rewarding problems that aim to make meaningful positive impacts 
on people's lives.

keywords: 
  C, C++, C#, bdb, Mongo, MySQL, PostgreSQL, Redis, SQLite
  Perl, PHP, Python, Ruby, node.js, CSS, bootstrap, JavaScript, 
  JQuery, angular, socket.io, react, underscore, HTML5, iot
  oauth, docker, Buildbot, JSON, XML, cmake, glib, mfc, android, 
  Java, bash, mqtt, protocol design

Professional Experience

Reef Technology - Los Angeles, CA

Senior Developer/Product Manager - 2020 - 2023
Built a next-generation electric microcar sharing platform with partners
such as Arcimoto's inverted trikes (FUV) with station-based and free-floating
rentals. Built an advertising platform for e-scooter and e-bike charging
stations.

WaiveCar - Santa Monica, CA

CTO - 2016 - 2020 (acquired)
Wrote and maintained multiple mobile apps, full-stack sites, custom
digital signage (with a large amount of python/bash/javascript), multiple 
platforms for purchasing ads, work with telemetry, electric car
infrastructures, and a ride sharing service that did 200,000 rides. 
Also built and managed engineering teams. Lead product design and documentation.

Crowdfunder - Los Angeles, CA

Senior Programmer 2015 - 2016
Worked on the BL and dev side of Crowdfunder, one of the earliest crowdfunding
sites. Transformed legacy PHP to an ORM/framework system. Wrote an analytics
backend for portfolio and fund management. Set up the financial scaffolding to
accept and disburse VC funds through the site. Light management. Standard LAMP stack.

Freelancing 

2012 - 2015
Built a number of startups as a contractor. Some of these include an applied
minds spinoff (stirworks) for a "smart desk", robots for cleaning solar
panels, a catalog and inventory management used by spacex, and a number of
ecommerce sites, including one that did logistics matching of laptop parts
with off-brand or other-brand equivalencies at cheaper prices (for instance, a
CD-ROM drive from a specific Toshiba laptop that may also work in a specific
Dell laptop but is currently running at 33% the price). 

Diamond Web Services - Los Angeles, CA

Programmer - 2012 - 2014
Worked on numerous startups including the voting system for American Idol and
the X Factor. Also did some projects for the BBC. Worked on a system that did
logo watermarking for affiliate tv stations and a number of ecommerce and
event planning sites. 

Oblong - Los Angeles, CA

Programmer - 2010 - 2012
One of the first principal engineers on their current flagship gestural telepresence product,
Mezzanine. Took place in some early management through the initial versions
Speced, wrote, documented, and maintained a socket.io-like web-server stack in ruby for some custom 
in-house ipc technology.
Wrote a JS database and pub/sub engine and a web-client for a next-gen conferencing product.
Wrote a large number of unit-tests and in-house tools
Wrote a DHT-backed peer-to-peer server-less presence protocol and stack (ruby/c++)
Did a lot of initramfs/initrd work for custom deployed servers

iizuu - Marina Del Rey, CA

CTO - 2008 - 2010
Design and manage all technical aspects of the company. Hired and managed over the
programming team.  Personally authored over 85% of the in-house software 
using languages and technologies including but not limited to PHP, Python, 
Javascript, SQL, Perl and C.

Preferred Tech - El Segundo, CA

Software Engineer - 2008
Created development package for DirecTV software engineers.
Automation utilities for testers.
Wireshark plugin for a proprietary protocol going over the coaxial DirecTV
network.

CACE Technologies - Davis, CA

Software Engineer - 2006 - 2008 (acquired)
Wrote large parts of a Windows based aerospace network analyzer in C/C++
used by Boeing. This used and parsed XML configuration files.  The analyzer
supports AFDX, ARINC-429, CAN 2.0B, and Irig time stamping. Code
documentation was done through Perl.
Wrote significant parts of a Windows based general network analysis tool in
C/C++/C# used by many large companies.  This used and parsed XML
configuration files, utilizes WinPcap, Wireshark libraries, and Poco.
Other parts of the software use HTML, CSS, Javascript, and Sqlite. The
testing infrastructure uses Python and buildbot.
Wrote multiple software manuals.
Ported large scale software to Linux/Solaris/FreeBSD/Mac OS X using cmake
and bourne scripts.

UC Davis - Davis, CA

Researcher - Security Lab, Computer Science Department 2004 - 2005
Wrote Windows internals software relating to a DARPA grant in C/C++.

Independent Consulting - Throughout California

Consultant - Various times 2000 - 2008
System Administration of small business networks using Samba, Red Hat
Enterprise Linux, PAM, NIS etc.
Provided on-call emergency overnight network diagnostic services to various
companies in northern California.

Computer Consulting Group - Camarillo, California

Programmer - 2000
Programmed a scripting language in Java for an AI bot.
Did the coding side of numerous flash applications.
Wrote Javascript for numerous websites.

EWO Software - Newbury Park, California

Programmer - 2000
Assisted in the initiation of Linux on VM/ESA architecture.
Ported VNC and various software to Linux/s390.
Created a Linux distribution that uses multiple ways to obtain an IP
address and a remote login on any network.
Wrote tcl/tk programs for system management.

Techsure, LLC - Westlake Village, California

Programmer - 1999
Programmed various C and VB scripts for data processing.

Education

Computer Science Bsc, UC Davis 2004