Numan Siddique
Senior Staff Engineer at Crusoe
Mississauga, Ontario, Canada
Summary
👤
Senior🎓
Top SchoolNuman Siddique is a Senior Staff Engineer with roughly two decades of engineering experience and a deep specialization in cloud networking, SDN and network virtualization. He has driven core backend work on flagship open-source projects—OpenStack Neutron, OVN and Open vSwitch—contributing reliability fixes, HA features and IPv6/DHCP improvements that keep large cloud networks production-ready. At Red Hat and now Crusoe he has blended Linux kernel and systems expertise with pragmatic Python/C/C++ development to solve tricky issues in distributed network agents and database failover. Notably, his contributions to ovn-kubernetes and OVN addressed leader election and active/standby DB management, reflecting an uncommon focus on operational robustness as well as feature work. Based in Mississauga, Ontario, he pairs hands-on code changes with architectural thinking across SDN controllers like OpenContrail, making him a go-to engineer for resilient cloud networking solutions.
12 years of coding experience
20 years of employment as a software developer
B.E, I.S & E, B.E, I.S & E at Visvesvaraya Technological UniversityPre University, Science, Pre University, Science at St. Philomena's College, Mysore
English, Kannada, Hindi, Urdu
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (40)
kubernetes10
debug10
docker10
nt10
python10
back-end-development10
apidoc10
sdn10
testing10
c1110
networking10
dockers10
c1710
go10
openstack10
Programming languages (9)
Github contributions (5)
ovn-org/ovn
Jan 2020 - Jan 2023
Open Virtual Network
Role in this project:
Back-end Developer
Back-end DeveloperContributions:19 reviews, 131 commits, 41 PRs in 3 years
Contributions summary:Numan primarily contributed to the OVN controller, addressing issues related to flow management, particularly for VTEP logical ports and load balancer VIPs. They fixed a bug where flows for VTEP logical port changes weren't being added, reverting parts of a previous commit to resolve a flow explosion issue related to load balancer VIPs. The user also added actions for connection tracking within a zone, improving the efficiency of NAT operations in distributed routers. Furthermore, the user added port security features and flows.
p2pvirtual-networkblockchain
ovn-kubernetes/ovn-kubernetes
Jul 2019 - Dec 2022
A robust Kubernetes networking platform
Role in this project:Backend & DevOps Engineer
Backend & DevOps EngineerContributions:266 reviews, 14 commits, 50 PRs in 3 years 5 months
Contributions summary:Numan primarily contributed to enhancing the high availability and management capabilities of the OVN Kubernetes networking platform. Their work included adding support for leader election using the `client-go/tools/leaderelection` module to enable HA ovnkube-master. They also introduced features to manage OVN database servers in active/standby mode, including updating database endpoints and handling transitions. Furthermore, the user updated the codebase to support the latest OVN versions, adapting to new directory structures and utilizing `ovn-appctl`.
k8skubernetesovncnicni-plugin
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