Michael Kellner
CFO, Software Engineer at Moddable Tech, Inc.
Ripon, California, United States
Summary
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RockstarMichael Kellner is a dual-role CFO and software engineer with 11 years of hands-on experience building embedded IoT systems and contributing to high-profile open-source projects. Based in Ripon, California, he leads Moddable Tech while writing firmware and drivers—implementing I2C support and integrating sensors across platforms like ESP32-C3 and Raspberry Pi Pico. He also contributes full-stack work to ECMAScript compatibility efforts, adding engine support and keeping spec-aligned test tables current. Comfortable bridging finance, product and low-level engineering, Michael combines operational leadership with practical hardware/software integration skills that accelerate bringing constrained devices to market.
11 years of coding experience
Github Skills (14)
c1710
i2c10
html10
embedded10
javascript10
c1110
sys10
system-integration10
ecmascript10
sensor-fusion10
testing10
esp329
css9
iot7
Programming languages (5)
Github contributions (5)
Moddable-OpenSource/moddable
Oct 2017 - Jan 2023
Tools for developers to create truly open IoT products using standard JavaScript on low cost microcontrollers.
Role in this project:
Embedded Systems Engineer / IoT Developer
Embedded Systems Engineer / IoT DeveloperContributions:36 releases, 1 review, 462 commits in 5 years 3 months
Contributions summary:Michael primarily worked on the Moddable open-source project, focusing on embedded systems and IoT development. Their contributions revolved around implementing I2C communication for a GPS module, and integrating sensor modules such as the BMP280, HMC5883, and AHT10. They also made modifications for device-specific features, like a LED for the ESP32-C3 and adjustments for a display module on the Pico platform, emphasizing integration of peripherals and sensor data acquisition.
javascriptjavascript-standardfor-developerslow-costmicrocontrollers
compat-table/compat-table
Oct 2015 - Feb 2016
ECMAScript compatibility tables
Role in this project:Full-stack Developer
Full-stack DeveloperContributions:9 commits, 3 PRs, 5 comments in 3 months
Contributions summary:Michael primarily contributed to the development and maintenance of ECMAScript compatibility tables. Their work involved adding support for the Kinoma XS6 engine by incorporating it into the browser and testing data. They built the table for the XS6 engine, and updated the codebase to reflect the latest specifications. The user also made adjustments to HTML and CSS to accommodate these changes.
jsjavascriptcompatibilityecmascript
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