Devender Singh
Sr. Principal Software Engineer at Palo Alto Networks
California, United States
Summary
👤
Senior🎓
Top SchoolDevender Singh is a Senior Principal Software Engineer based in California with over a decade of experience building high-performance security and distributed systems for large-scale CDN and edge platforms. He has led engineering teams and built production ML-driven security products—bot management, WAF, API security, and stateful rate limiting—while architecting scalable pipelines that deploy model outputs across 15,000+ servers. Devender combines deep systems expertise in C/C++ and Golang with cloud-native and Kubernetes operational experience, having optimized data-intensive stacks (ClickHouse, Elasticsearch, Spark, Airflow) and handled 100M+ log events/hour ingestion. Notable behind-the-scenes wins include 50x and 20x performance improvements through system redesigns and zero-copy optimizations, and authoring open-source WAF tooling integrated with Nginx. He builds remote ML and data teams and emphasizes robust rollout, monitoring, and testing frameworks to prevent edge-wide outages.
10 years of coding experience
9 years of employment as a software developer
BSFBachelor of Engineering Computer Engineering, Bachelor of Engineering Computer Engineering at Savitribai Phule Pune UniversityMaster of Science Computer Science, Master of Science Computer Science at University of North Texas
English
Stackoverflow
2,365reputation
408kreached
26answers
5questions
openssl
top-5%
certificate
top-5%
ssl
top-1%
nginx
top-1%
Github Skills (21)
ssl10
waf10
nginx10
openssl9
modsecurity9
certificate9
macos6
wifi6
ruby-on-rails6
php6
websocket6
bash6
security6
ios6
restful-api5
Programming languages (1)
Github contributions (5)
Edgio/waflz
Feb 2023 - Feb 2023
multitenant ModSecurity compatible WAF engine from Edgio
Contributions:64 reviews, 1 commit, 190 PRs in 1 day
wafmodsecuritymultitenant
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