Grigory Demchenko
Member Of Technical Staff at OpenAI
Belmont, California, United States
Summary
👤
Senior🎓
Top SchoolGrigory Demchenko is a seasoned distributed systems engineer with 11+ years of experience building high-performance, reliable backends, currently a Member of Technical Staff at OpenAI after leading major initiatives at WhatsApp. He architected and scaled the WhatsApp Cloud API from vertical to horizontal deployment, grew the team tenfold, and drove integrations between AI and messaging systems while mentoring engineering leads. His deep C++ and concurrent programming expertise underpins work on exactly-once semantics and near-real-time billing—projects that shaped production guarantees at massive scale. Earlier roles at Yandex and Mirantis emphasize his strengths in large-cluster database engines, performance tuning, and systems optimization. Holding a Ph.D. in Mathematical Sciences, he combines rigorous academic training with pragmatic engineering to solve thorny consistency and scalability problems. Colleagues describe him as a technical leader who prefers tackling foundational infrastructure challenges that others shy away from.
11 years of coding experience
22 years of employment as a software developer
Ph.D, Mathematical Sciences, Ph.D, Mathematical Sciences at Moscow Institute of Physics and Technology (State University)
Github Skills (7)
synchronous9
adapter8
async7
asynchronous7
coroutines7
transform6
cpp1
Github contributions (5)
gridem/Synca
Aug 2014 - May 2017
Contributions:19 commits, 9 pushes, 4 branches in 2 years 9 months
asynchronouscoroutinessynchronousasync
gridem/replob
Jan 2017 - May 2017
Contributions:2 PRs, 8 pushes, 12 branches in 4 months
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