Justin Venus
Systems Engineer at Citadel
Chicago, Illinois, United States
Summary
👤
Senior🎓
Top SchoolJustin Venus is a seasoned systems engineer with 14 years of experience building and operating reliable, large-scale infrastructure across finance and high-traffic consumer platforms. Currently at Citadel after senior SRE and DevOps roles at Signal and embedded SRE work at Twitter, he combines deep operational rigor with hands-on systems development. His open-source contributions to the Linkerd 1.x codebase—improving Consul-based service discovery and routing path matching—highlight practical expertise in service mesh and backend networking. Based in Chicago, he brings a track record of solving complex production problems, from low-level embedded SRE challenges to architecting resilient service discovery for distributed systems.
14 years of coding experience
11 years of employment as a software developer
Bachelor of Science (BS), Computer Engineering, Bachelor of Science (BS), Computer Engineering at DeVry University-Illinois
Github Skills (6)
service-mesh10
consul10
finagle10
service-discovery10
scala10
cloud-native9
Programming languages (10)
Github contributions (5)
linkerd/linkerd
Sep 2016 - May 2020
Old repo for Linkerd 1.x. See the linkerd2 repo for Linkerd 2.x.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:5 commits, 4 PRs, 59 comments in 3 years 9 months
Contributions summary:Justin contributed to the Consul Namer component within the Linkerd 1.x repository, focusing on integrating Consul health checks and resolving service nodes. They modified code related to the Consul API and namer components, improving service discovery functionality. Further contributions involved enhancing the PathMatcher to support extracting segments, which would lead to improvements in routing and configuration. These changes suggest a focus on core backend functionalities and service mesh configuration.
linkerdcloud-nativeservice-meshservice-discovery
JustinVenus/python-dtab
Jun 2016 - Jul 2025
Python DTab Parser (Delegation Table)
Contributions:1 PR, 7 pushes, 2 branches in 9 years 2 months
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