Chris Keller
Staff Firmware Engineer at Fitbit
San Francisco, California, United States
Summary
👤
Senior🎓
Top SchoolChris Keller is a Staff Firmware Engineer in San Francisco with 12 years of experience building embedded and application software for consumer wearables and medical devices. He specializes in C/C++, C#, and .NET development, Bluetooth Classic and BLE integration, iOS apps, and hardware/software integration—skills honed through a long tenure at Fitbit and prior engineering roles at Punch Through Design, Medtronic, and NxThera. His background includes regulated medical software development and VxWorks real-time systems, giving him a disciplined approach to testing, documentation, and safety-critical feature delivery. Chris combines low-level firmware craftsmanship with higher-level app and tooling work, often bridging the gap between boards and user experiences. He’s known for improving product reliability in both consumer health and clinical device contexts, and for translating complex system requirements into maintainable firmware.
12 years of coding experience
15 years of employment as a software developer
Bachelor of Electrical Engineering, Minor in Computer Science, Bachelor of Electrical Engineering, Minor in Computer Science at University of MinnesotaAA, Liberal Arts, AA, Liberal Arts at Minneapolis College
Github Skills (8)
arduino-library8
arduino6
firmware5
esp325
react4
sdk3
protocols1
blockchain1
Programming languages (1)
Github contributions (5)
PunchThrough/bean-serial-protocol
Mar 2014 - Sep 2014
Contributions:44 commits in 6 months
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.