TECHNICAL SKILLS

3D Graphics and Animations: Expert at Blender3D, modeling, textures, custom shaders. Artist’s eye for design, composition, fine art. Motion graphics for video titles. Mo cap, IK and other animation technologies.

Libraries, Tookits & Frameworks: React, Vue, Three.js, Qt5, gtk+, OpenGL, Vulkan, Godot, Ogre3D and Unity3D game engines, OpenCV, OpenCL, PCL, VTK, Paraview, Numpy, Scipy, Tensorflow, Caffe, GEGL, gstreamer, more...

Programming Languages: Javascript, Typescript, C++, Rust, Crystal, Ruby, Python, Julia, more...

Platforms: Linux, Android, Windows, Raspberry Pi, Nvidia Jetson TX2.

Web: HTML5, CSS3, Javascript, Typescript, WebGL, ThreeJS, D3, glTF, REST, SoundJS, Vue, more...

Software engineering tools: Git and Github, Subversion, Mercurial, CMake, Meson, Geany, Atom, Eclipse, Visual Studio, Jira, Valgrind, browser dev tools, debuggers, many more...

Imaging and Photography: Custom algorithms for image enhancement, procedural textures, color spaces and geometric calibration, pano stitching, super - res algorithms. Principles of photography including focal depth, relation of ISO, f-stop, shutter speed, exposure and noise.

PROFESSIONAL EXPERIENCE

Video Processing Software Engineer

Confidential, Phoenix, AZ

Responsibilities:

• Development and testing of video stabilization algorithms, parsing Asterix CAT-48 radar data, other maintenance and integration on the company’s main software product written in C#/.net.

Controls Software Engineer

Confidential, Wilsonville, OR

Responsibilities:

• Developed geometry, analysis and 3D rendering algorithms for converting 2D laser line scans into 3D point clouds. C#/.NET, some Python. Blender animation to generate synthetic test data. E valuated libraries for point cloud and 3D such as OpenTK, SharpGL, OpenCV.

Embedded Software Engineer

Confidential, Wilsonville, OR

Responsibilities:

• Wrote motor controller drivers to DSP code for high reliability H-bridge chips. (I've heard the effort paid off well - customer returns dropped dramatically.)
• Incorporated thermistors into embedded systems. QML-based GUI design.
• Debugging FPGA video processing using Xilinx Vivado. Constructed real time video Gstreamer pipelines for new product development.
• Documentation, reports as text, Word, and HTML pages.

Graphics Performance Developer

Confidential, Hillsboro, OR

Responsibilities:

• Porting Graphics Performance Analyzer to run on OSX Metal API. The GPA intercepts API calls to OpenGL, Direct3D, Vulkan or Metal to measure and display real-time memory and API usage, frames per second, etc. Team followed a Kanban approach to managing daily work.

Software Engineer

OGSystems, Portland, OR

Responsibilities:

• Research and validate algorithms for 3D reconstruction of terrain from aerial photos.
• Optimize image processing, feature point detectors and descriptors, SLAM, bundle adjustment.
• Define lens distortion models.
• Georeferencing to standard coordinate systems.
• Color calibration with MacBeth Color Checker, Arri LoCaster. Dissect in-house software to create commercial product.

Software Developer

Confidential, Carlsbad, CA

Responsibilities:

• Creating proprietary algorithms for image analysis, object identification, computer vision in microscopy applications, using C++, C#.
• Developed custom GUI controls in C#/WinForms.

Characterization Engineer

Confidential, San Diego

Responsibilities:

• Setup, perform experiments to test performance of air-in-line sensor in prototype infusion pumps.
• Python, Numpy, Matplotlib to analyze data. Uncovered subtle flaw in microstepping code.

GUI and 3D Display Engineer

Confidential, San Diego

Responsibilities:

• Design GUI for small-screen surgical equipment. Convert 2D ultrasonic vascular images to 3D model for interactive display, on Window and Linux using Qt5, custom in-house controls, QML, PyQt .

Mobile Test Automation Engineer

Confidential, San Diego

Responsibilities:

• Automation of Android multimedia testing using Python, Perl, ADB, breakout boards.
• Conversion of inconsistently formatted spreadsheets used by different test groups into common new format. Automation of driver installation, playback of test media files, and recording pass/fail and error codes.

Web Documentation Consultant

Confidential, San Diego

Responsibilities:

• Short contract project to fix unmaintainable navigation menu and search feature of off-line web-based documentation system for logistics clients.
• Wrote new system in Javascript, HTML, CSS designed to be easily modified by non-programmers.
• Thanks to my efforts, our Navy's SPAWAR Command is 0.003% more efficient

Software Engineer

Confidential, San Diego

Responsibilities:

• Created Photoshop CS5 plugin for 64-bit Mac.
• Developed image processing tools.
• Contributed camera mode constraints to 3D camera pointing planning tool for the new Mars rover using Eclipse RCP, Java and OpenGL.

Software Engineer

Confidential, Socorro New Mexico

Responsibilities:

• Maintained CASA software in C++, Python used by radio astronomers using the EVLA and ALMA radio telescope arrays.

Sys Admin / Software Developer

Confidential, Orlando

Responsibilities:

• Supported planetary science group by translating image analysis code from IDL to Python.
• Created plots, 3D graphics and animations from CFD simulations running on a Beowulf Linux cluster.
• Built initial website for Planetary Science Group within the Physics Department.

Image Analyst and Algorithm Developer

Confidential, Boulder

Responsibilities:

• Prepared images for public release. Reworked public website and maintained it until a full-time front end developer was hired.
• Developed algorithms for automated high-performance image processing, calibration, geometry calculations, object tracking.
• Solved difficult calibration problems using IDL, Python, C++, MySQL, and JPL’s NAIF data and software toolkit.

Graphics Software Developer

Confidential, Loveland, Colorado

Responsibilities:

• Developed 3D rendering software for converting satellite data into spectacular cloud-free images of Earth for print and animations.
• Created content for the Omni-Globe projector.

Software Engineer

Confidential, Southfield Mich

Responsibilities:

• Instructor for undergraduate physics and electronics labs at Indiana Univ.
• Worked at 3DLabs on high end 3D graphics cards until Nvidia clobbered us in the marketplace.
• Assistant Director and Prod. Assist. for live pledge drives at WTVS, the PBS station in Detroit.
• Produced stop-action animated TV ad using chroma key, video switcher compositing at Specs
• Installed a 4kW solar photovoltaic system on a Zomeworks tracking mount.