Bruce Mah
Software Engineer at Energy Sciences Network (ESnet)
Lafayette, California, United States
Summary
🤩
Rockstar🎓
Top SchoolBruce Mah is a seasoned software engineer with 25 years of experience designing and maintaining high-performance networking and systems software, currently at ESnet. He has held senior technical roles at Packet Design, Cisco, Sandia, and nCircle, and contributed as a FreeBSD committer, demonstrating deep expertise in networking, kernel-level work, and distributed systems. His open-source contributions include substantive back-end improvements to iperf3—introducing daemonization, IPv6 flow label handling, congestion control tweaks, and robustness fixes—highlighting a focus on reliable, production-grade tooling. Bruce combines research-caliber rigor (BS/MS/PhD coursework at UC Berkeley) with hands-on engineering leadership, repeatedly moving low-level protocols into operational use. Colleagues rely on him for pragmatic solutions to edge-case behavior and performance tuning in critical infrastructure. Based in Lafayette, CA, he blends decades of institutional knowledge with a continued appetite for contributing to widely used network measurement and systems projects.
26 years of coding experience
17 years of employment as a software developer
BS, MS, PhD, BS, MS, PhD at University of California, BerkeleyHoover High School
Stackoverflow
406reputation
63kreached
14answers
0questions
Github Skills (17)
system-programming10
ip10
c-programming10
networking10
tcp10
freebsd9
linux9
multithreading8
error-handling8
json8
sctp8
debugging7
stream6
socket6
iperf6
Programming languages (13)
Github contributions (5)
esnet/iperf
Nov 2013 - Dec 2022
iperf3: A TCP, UDP, and SCTP network bandwidth measurement tool
Role in this project:
Back-end Developer
Back-end DeveloperContributions:1 release, 214 reviews, 969 commits in 9 years 1 month
Contributions summary:Bruce implemented features related to daemonization support and IPv6 flow label configuration within the iperf3 codebase. Their work included modifications to existing code to add command-line options, error handling, and code to set TCP congestion control algorithms. The user also made contributions to improve the management and display of server-side output and applied code improvements, including fixing a potential buffer overflow, and handling edge cases involving file operations and timing in tests.
iperfsctptcpudpiperf3
bmah888/gotesla
Jan 2019 - Oct 2021
Tesla API client library and utilities written in Go
Contributions:60 commits, 26 PRs, 65 pushes in 2 years 10 months
go
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