Wonsang Song
Summary
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SeniorWonsang Song is a Senior Principal Engineer based in San Francisco with 13 years of experience building scalable communications and real-time systems. He holds a PhD in Computer Science from Columbia and combines deep research in indoor positioning, location-based services, and multimedia communications with hands-on engineering in Java, C/C++, web, and mobile platforms. At Twilio he led major efforts including SIP trunking, separation of signaling and media, multi-region SIP-out and Twilio Interconnect, launching production telephony services used at scale. His academic work produced practical innovations—such as a polygon-simplification algorithm that reduced boundary data to 3% of its original size while retaining 95% coverage—and prototypes deployed in live NG9-1-1 emergency centers. Comfortable moving between research and product delivery, he also brings startup experience as a co-founder and early-career systems integration expertise. Colleagues rely on him for architecting resilient, networked systems that bridge protocol-level detail and user-facing services.
13 years of coding experience
Github Skills (1)
php1
Github contributions (2)
ws2131/indoor-location
Oct 2012 - Apr 2014
Contributions:36 commits in 1 year 6 months
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