Ethan Madden
Software Engineer at Remitly
Seattle, Washington, United States
Summary
🤩
Rockstar🎓
Top SchoolEthan Madden is a software engineer based in Seattle with 12 years of experience building reliable systems at scale, currently contributing to payments infrastructure at Remitly. He spent six years as a senior engineer at EMC Isilon, working on storage and sustaining engineering that reinforce his strengths in dependable, production-focused development. Ethan pairs backend and systems fluency with embedded/IoT interests—he’s an active contributor to the widely used QMK keyboard firmware, customizing keymaps and advanced LED/RGB behavior. His background includes hands-on operational roles from student system administration to early internships, giving him practical troubleshooting instincts and a focus on maintainability. Colleagues describe him as pragmatic and detail-oriented, comfortable navigating both low-level firmware tweaks and large distributed codebases. He brings a quiet curiosity to side projects that often surface non-obvious improvements to user-facing tooling and hardware integrations.
12 years of coding experience
10 years of employment as a software developer
Purdue UniversityUniversity of Southern Indiana
Github Skills (18)
keyboard-input10
c-language10
qmk-firmware10
firmware10
qmk10
c1110
keymaps10
keyboard10
c1710
keyboard-layout10
sys10
embedded10
cprogramming-language10
atmel9
rgb-controller9
Programming languages (9)
Github contributions (5)
qmk/qmk_firmware
Jun 2017 - Feb 2021
Open-source keyboard firmware for Atmel AVR and Arm USB families
Role in this project:
Embedded Systems Engineer / IoT Developer
Embedded Systems Engineer / IoT DeveloperContributions:10 reviews, 19 commits, 23 PRs in 3 years 9 months
Contributions summary:Ethan primarily contributes to keyboard firmware development, specializing in the customization and configuration of keymaps for various keyboard layouts. Their work involves modifying code to control LED functionality, RGB lighting, and integrating custom keymap layouts. The commits showcase a strong understanding of the QMK firmware ecosystem, with a focus on integrating personalized settings.
rp2040firmwareavratmelkeyboard-support
jetpacktuxedo/qmk_firmware
Jun 2017 - Jan 2022
keyboard controller firmware for Atmel AVR and ARM USB families
Contributions:29 commits, 5 PRs, 176 pushes in 4 years 8 months
controllerfirmwareavratmeldfu
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