Stephen Longfield
Member Of Technical Staff at Etched
Sunnyvale, California, United States
Summary
👤
Senior🎓
Top SchoolStephen Longfield is a Member of Technical Staff with 11 years of experience building functional simulators, debuggers, and performance profiling tools for high-performance SoCs and ML accelerators. He led functional simulation for Google's ARM Server Axion family and multiple TPU generations, combining deep design-verification expertise with hands-on automation and kernel-driver work. A Cornell PhD candidate focused on formal verification for asynchronous circuits, he brings rigorous academic grounding to practical verification and low-energy hardware design. Now based in Sunnyvale, he’s leading simulator and tooling development at Etched, translating complex microarchitectural behavior into reliable, performant software stacks. Notably, his background spans from circuit and embedded work at startups and internships to production-scale simulation leadership in hyperscale environments.
11 years of coding experience
10 years of employment as a software developer
Bachelor of Science (BS) Electrical and Computer Engineering, Bachelor of Science (BS) Electrical and Computer Engineering at Franklin W. Olin College of EngineeringDoctor of Philosophy (PhD) Electrical and Computer Engineering, Doctor of Philosophy (PhD) Electrical and Computer Engineering at Cornell University
Github Skills (19)
verilog9
stereo9
transform9
mdbook9
rust8
census8
golang8
programming-language7
interpreter7
compiler6
rust-lang6
minecraft5
sdl4
language-design4
storage3
Programming languages (6)
Github contributions (5)
slongfield/pyfmt
Sep 2017 - Feb 2022
Golang implementation of PEP3101
Contributions:131 commits, 28 PRs, 45 pushes in 4 years 5 months
golanggolang-librarypython-golang-translationgolang-packagestring-formatter
slongfield/StereoCensus
Apr 2015 - Aug 2019
Verilog Implementation of the Census Transform Stereo Vision algorithm
Contributions:44 commits, 12 PRs, 38 pushes in 4 years 5 months
transformstereovisionstereo-visioncensus
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