Maurice Qureshi - Principal Software Engineer at Calix

Maurice Qureshi

Principal Software Engineer at Calix

California, United States

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Summary

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Senior

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Top School

Maurice Qureshi is a Principal Software Engineer based in California with over 13 years of experience architecting and shipping high-performance networking software across startups and industry giants like Cisco and Calix. He brings deep, hands-on expertise in SDN controllers, L2/L3 protocols, IPv6 WAN/subscriber implementations, and forwarding-plane/ASIC interactions, having spearheaded SDN adoption at Cisco and led IPv6 work on Calix’s NG-PON2 platform. Skilled in C, Java, Python and low-level assembly, Maurice blends systems-level programming with model-driven controller design, REST APIs, and production-grade testing using tools such as Mininet, OVS, Spirent and Ixia. He has a strong track record of stabilizing distributed controller code (notably contributions to OpenDaylight’s backend HostTracker) by fixing race conditions, improving thread safety and hardening clustering behavior. A pragmatic leader and mentor, he moves between architecture, device drivers, and protocol internals, spotting ASIC-level issues early to save costly re-spins—an advantage that repeatedly accelerated delivery across complex networking projects.

13 years of coding experience

27 years of employment as a software developer

Bachelor of Science (BS) Computer Science, Bachelor of Science (BS) Computer Science at Iowa State University

Github Skills (6)

openflow10

javas10

java10

exception-handling9

caching9

osgi7

Programming languages (1)

Java

Github contributions (2)

opendaylight/controller

Apr 2013 - Jul 2014

Mirror of the OpenDaylight controller gerrit project

Role in this project:

Back-end Developer

Contributions:16 commits in 1 year 3 months

Contributions summary:Maurice primarily contributed to the OpenDaylight controller project by implementing and modifying core backend functionalities. Their work involved bug fixes and improvements within the `HostTracker` module, focusing on cache management, ARP handling, and exception handling related to clustering services. The user also addressed race conditions and refactored data structures for thread safety, enhancing overall system stability and reliability. Furthermore, they added documentation and validated user input in the flow spec configuration.

gerritopendaylight

opendaylight/yangtools

Apr 2013 - Apr 2013

Mirror of the OpenDaylight yangtools gerrit project

Contributions:1 commit in 1 day

gerritopendaylight

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