Reinhard L
Software Engineer at Firewalla Inc
Shanghai, Shanghai, China
Summary
👤
Senior🎓
Top SchoolReinhard L is a software engineer based in Shanghai with a decade of experience building backend systems, web services, and networked applications. He has worked across startups and enterprise teams—including Cisco and Firewalla—where he focused on backend architecture, security, and performance improvements such as introducing asynchronous operations and enhancing port-forwarding logic. Comfortable across the full stack, Reinhard combines strong research instincts and rapid learning with practical delivery, often touching system configuration and stability. Bilingual in Chinese and English, he brings multicultural collaboration skills to distributed teams. His background includes tech leadership and hands-on roles from Wicresoft to fintech and consumer networking, reflecting both breadth and depth. Notably, his open-source contributions to the widely used Firewalla project highlight a practical focus on network security and resilient backend design.
10 years of coding experience
8 years of employment as a software developer
Shanghai Gezhi High SchoolBachelor, Bachelor at Shanghai Jiao Tong University
Stackoverflow
100reputation
7kreached
6answers
5questions
Github Skills (24)
back-end-development10
async9
asynchronous9
network-security9
network8
net8
iptables8
networking8
system-configuration8
udp7
firewall7
linux7
tcp7
xml6
tfs6
Programming languages (6)
Github contributions (5)
firewalla/firewalla
Oct 2018 - Jan 2023
http://firewalla.com
Role in this project:
Back-end & Security Engineer
Back-end & Security EngineerContributions:196 reviews, 1354 commits, 1176 PRs in 4 years 3 months
Contributions summary:Reinhard made a series of commits related to enhancing network security and back-end functionality. Their work included the addition of asynchronous operations within the codebase, indicating a focus on performance and responsiveness. Significant modifications to the `netbot.js` controller reveal involvement in features such as port forwarding and possibly related to the broader functionality of the Firewalla device. Furthermore, the user's contributions included adjustments to internal configurations, which indicates their involvement with the project's system configuration and stability.
cyberraspberry-pirouterosdnssecurity
firewalla/fnm.node8.x86_64
Oct 2018 - Jan 2025
is actually node 12
Contributions:4 PRs in 6 years 4 months
javascriptnodejsnode
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