Kevin Liang
Software Developer at Tailscale
Old Toronto, Ontario, Canada
Summary
🤩
Rockstar🎓
Top SchoolKevin Liang is a software developer with five years of experience focused on backend systems, networking, and DevOps, currently building at Tailscale in Old Toronto. He has hands-on expertise improving firewall and networking functionality in a high-profile open-source project (Tailscale), including nftables support, iptables refactors, VIP service integration, and DNS enhancements. His background spans fast-moving startups and research environments—from 1Password and Deliverect to quantum lab simulators and a University of Waterloo research project on code-generation security—showing a blend of product delivery and academic curiosity. Kevin’s work emphasizes secure, pragmatic networking solutions and automation heuristics that reduce operational complexity. He graduated from the University of Waterloo with strong academic standing and brings a particular knack for translating low-level networking challenges into reliable, maintainable systems.
5 years of coding experience
2 years of employment as a software developer
Undergrade, CS, 92.26%, Undergrade, CS, 92.26% at 加拿大滑铁卢大学
Github Skills (11)
nftables10
firewall10
go10
vpn10
networking10
iptables10
wireguard10
2factor4
docker4
cicd4
dockers4
Programming languages (3)
Github contributions (5)
tailscale/tailscale
Jun 2023 - Mar 2025
The easiest, most secure way to use WireGuard and 2FA.
Role in this project:
Back-end & DevOps Engineer
Back-end & DevOps EngineerContributions:134 reviews, 33 PRs, 135 pushes in 1 year 9 months
Contributions summary:Kevin primarily focused on enhancing the firewall and networking functionalities of the Tailscale project. They added support for nftables, refactored iptables logic, and implemented an automatic selection heuristic for iptables/nftables. Additionally, the user integrated VIP service configurations and improved DNS resolution, demonstrating a strong understanding of network configuration and security.
secureprivacysecurityvpnwireguard
KevinLiang10/KevinLiang10.github.io
Mar 2021 - Aug 2021
Contributions:1 push, 1 branch in 5 months
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