I’m a web developer, programmer, designer, and software engineer based in the San Francisco Bay Area. I have experience working in the energy and computer hardware industries.

My strengths are my focus, persistence, and passion for learning.

Projects

Semiconductor manufacturing equipment motion control

Motion control system for nanometer-level precision wafer scanner

Network Connected Residential Battery System

An energy storage system for peak load reduction and demand response

Disk Drive Servo Track Writing

Manufacturing process for hard disk drive servo track writing

Portfolio

www.tateshina-moumou.com

Website for Tateshina Moumou Cafe

www.joyjoyvillage.com

Website for Joyjoy Village Marche event planning volunteer organization

Tribe Events Plugin Addon

A wordpress plugin for making tribe event calendar posts display ordered by date of post creation

Envira Gallery Plugin Add-on

An add-on for the Envira Galleries Wordpress plugin that enables archives and single post pages

WordPress Plugin for home template

A Wordpress plugin for specifying a different template to use on the second page and onward of home

WordPress plugin for single post nav links for custom post types

A Wordpress plugin that fixes nav links between single post pages for custom post types in the recent posts archive

WordPress Portfolio Plugin

A wordpress plugin for displaying an engineering portfolio site released on official wordpress.org

Qt flashcards

A flashcard application created in Qt

Qt Stopwatch

A stopwatch application created in Qt

Inkscape globe plugin

An Inkscape plugin for rendering globes with configurable tilt and rotation. Inkscape is an open source vector graphics editor.

Resume

Hoday Stearns
hodaystearns2@gmail.com
San Francisco Bay Area, California
EXPERIENCE

STAFF ENGINEER - HARD DISK SERVO WRITE
Western Digital is one of the largest hard disk drive manufacturers in the world.
Aug. 2014 to present
  • Developed and debugged firmware for servo pattern writing hard disk drives
  • Experience with: C/C++, lua, Matlab

RESEARCH ENGINEER - CLOUD ENERGY SYSTEMS
Panasonic is a leading Japanese electronics manufacturer. The Energy Solutions Center develops solutions that leverage the company's battery and solar panel product portfolio.
Oct. 2011 to Dec. 2013
  • Coded from scratch and tested the first version of our server software for controlling our cloud energy storage system
  • Responsible for specification, design, coding, and testing of server-side software for control of cloud energy storage (battery) system
  • Designed, coded and tested algorithm achieving 20% energy cost reduction for aggregation of energy storage resources
  • Experience with: Java, Python, MySQL, Linux, version control (subversion), build and test tools (maven), profiling (VisualVM), writing driver for custom protocol over TCP/IP, network protocol analysis with Wireshark

STUDENT RESEARCH ASSISTANT
The Mechanical Control Systems Laboratory is a research laboratory for control systems theory and applications for mechanical systems. Focuses include industrial automation and robotics, human mechatronics, and hard disk drive control.
Fall 2006 to Spring 2011
  • Researched high-precision motion control of a wafer scanner (semiconductor manufacturing robot)
  • Developed and tested control algorithms for vibration suppression, learning, controller tuning
  • Created models and did simulations with MATLAB and Simulink
  • Experience with: laser interferometry, linear motors, encoders, LabVIEW real-time and FPGA, control software, PCB design (Eagle), mechanical design (Solidworks), machine shop, device drivers, SPI, I2C, RS-232, sensors, IMUs, accelerometers, navigation algorithms (Kalman filter), filtering, signal processing

TEST SYSTEMS DEVELOPMENT INTERN
Illumina Inc. Hayward, CA
Illumina is a leader in genome sequencing and genotyping technology.
Summer 2009
  • Developed a product reliability test stand for the cluster generation system. The system had 24-hour monitoring of the product's temperature and flowrates using LabVIEW.

EDUCATION


Ph.D. Mechanical Engineering, May 2011
B.S. Mechanical Engineering, May 2006
Focus: Control / Mechatronics, Minors: Optimization, Math

SKILLS

Engineering
C/C++
Python
Java
Embedded systems / firmware
Microcontrollers / ARM
MATLAB
LabVIEW
SolidWorks
Eagle PCB
Control design
Modeling
Simulation
Signal processing
Sensors
Machine shop
Technical communication
Japanese

Web
HTML
CSS
Javascript
jQuery
Bootstrap
PHP
Wordpress theme development
MySQL
Photoshop
Illustrator