Matthew Johnson
Sr. Software Engineer (Starlink) at SpaceX
Seattle, Washington, United States
Summary
👤
Senior🎓
Top SchoolMatthew Johnson is a Sr. Software Engineer at SpaceX focused on Starlink MAC and network development, bringing nine years of experience in wireless systems, embedded DSP/MAC design, and community cellular research. He holds a PhD from the University of Washington where his work on CommunityLTE combined practical deployments across the US and abroad with research into sustaining 4G/5G community networks, and he continues to maintain the lab’s deployment toolset. Matthew’s background spans industry and moonshot projects—from designing MAC protocols and power-optimized waveforms at TrellisWare to building backhaul diagnostics at X—demonstrating a rare blend of low-level radio engineering and large-scale network thinking. Awarded an NSF GRFP and the Borriello Fellowship, he applies rigorous research training to pragmatic engineering that aims to expand affordable, reliable internet access globally.
9 years of coding experience
10 years of employment as a software developer
Doctor of Philosophy - PhD, Computer Science, Doctor of Philosophy - PhD, Computer Science at University of WashingtonBachelor of Science (B.S.), Electrical and Electronics Engineering, Bachelor of Science (B.S.), Electrical and Electronics Engineering at Rice University
Spanish
Github Skills (81)
lte10
node-tool10
5g10
controlling10
recurly10
obsolete10
billing10
c-language10
open5gs10
4g10
network10
bandwidth10
epc10
udp9
sctp9
Programming languages (12)
Github contributions (5)
co-cell/ccm
Jan 2017 - Jun 2018
Contributions:92 commits, 2 branches, 5 comments in 1 year 5 months
matt9j/system-configs
Sep 2016 - Jan 2025
Contributions:16 pushes, 1 branch in 8 years 5 months
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