Dustin Lundquist
Senior Software Engineer at Tempered Networks
Seattle, Washington, United States
Summary
🤩
Rockstar🎓
Top SchoolDustin Lundquist is a senior software engineer in Seattle with 15 years building robust back-end and networking systems, currently shaping secure connectivity at Tempered Networks. He’s strong in low-level TCP/TLS proxying, load balancing and IPv6-aware networking—evidenced by contributions to projects like sniproxy and OpenStack’s Octavia and Neutron where he improved TLS hostname extraction, IPv6 support, and anti-spoofing validation. Comfortable across backend and DevOps concerns, he’s implemented Go-based test servers, C10k load testing, and architecture refactors that improve stability under heavy connections. Dustin blends pragmatic engineering with a security-minded approach to networking problems and a history of shipping durable infrastructure rather than one-off prototypes. He holds a BS in Computer Science from the University of Washington and an AS from Tacoma Community College.
16 years of coding experience
Bachelor of Science (BS), Computer Science, Bachelor of Science (BS), Computer Science at University of WashingtonAssociate of Science (AS), Computer Science, Associate of Science (AS), Computer Science at Tacoma Community College
Github Skills (26)
python10
testing10
configuration-management10
c-programming10
network-programming10
networking10
iptables10
go10
openstack10
ipv610
service-design10
service-provider10
security9
devops9
error-handling9
Programming languages (6)
Github contributions (5)
dlundquist/sniproxy
Dec 2010 - Mar 2020
Proxies incoming HTTP and TLS connections based on the hostname contained in the initial request of the TCP session.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:4 reviews, 695 commits, 43 PRs in 9 years 4 months
Contributions summary:Dustin's commits primarily involved implementing and refining core functionality for a TLS proxy. This included implementing features such as hostname extraction from TLS handshakes, and adding configuration options to manage the traffic. The user also worked on improving the server's architecture and stability by refactoring code into modules and adding more robust error handling. Further commits improved the configuration for handling multiple connections and adding a file descriptor limit to the server.
hostnameproxiestcp
openstack/neutron
Jul 2015 - Nov 2016
OpenStack Networking (Neutron). Mirror of code maintained at opendev.org.
Role in this project:Back-end Developer
Back-end DeveloperContributions:25 commits in 1 year 4 months
Contributions summary:Dustin primarily contributed to the OpenStack Neutron project, focusing on enhancing IPv4 and IPv6 address handling for floating IPs and network interfaces. They implemented changes to improve the validation of floating IP addresses and prevent IPv6 addresses from being bound to Neutron interfaces. The user also worked on preventing IP spoofing and improving the DHCP agent by advertising SLAAC prefixes, demonstrating a focus on network security and IPv6 support.
networkingopenstack
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