Sergey Lebedev
Senior Software Engineer at NVIDIA
Nizhny Novgorod, Nizhny Novgorod Oblast, Russia
Summary
🤩
Rockstar🎓
Top SchoolSergey Lebedev is a Senior Software Engineer with a decade of experience in high-performance and distributed systems, currently contributing at NVIDIA after previous engineering roles at Mellanox and Nizhny Novgorod State University. He holds advanced studies in computational and applied mathematics and has pursued PhD-level work in mathematical modeling and numerical methods, giving him deep analytical rigor behind his engineering. Sergey’s open-source contributions to the prominent UCX project focus on strengthening tests, improving examples, and adding logging to aid debugging—practical improvements that increase robustness for real-world communication stacks. Based in Nizhny Novgorod, he blends academic depth with production-grade backend and test automation expertise, often surfacing small but impactful fixes that improve developer experience and system reliability.
10 years of coding experience
2 years of employment as a software developer
Bachelor's degree, Computational and Applied Mathematics, Bachelor's degree, Computational and Applied Mathematics at Нижегородский Государственный Университет им. Н.И. Лобачевского (ННГУ)
Github Skills (9)
c1710
c-language10
c1110
cprogramming-language10
testing10
networking9
debug9
debugging9
mpi9
Programming languages (5)
Github contributions (5)
openucx/ucx
May 2019 - Oct 2022
Unified Communication X (mailing list - https://elist.ornl.gov/mailman/listinfo/ucx-group)
Role in this project:
Back-end Developer & Test Automation Engineer
Back-end Developer & Test Automation EngineerContributions:5 reviews, 20 commits, 7 PRs in 3 years 5 months
Contributions summary:Sergey primarily focused on improving the testing and examples within the UCX library. Their contributions involved checking return statuses in client-server examples, fixing typo in error messages and adjusting the layout of the code. They also added log components to aid with debugging. The user's work demonstrates a strong understanding of the UCX API and its practical usage, and they contributed towards the robustness and usability of the library.
craympiopenshmemyangroce
Sergei-Lebedev/nccl
Jun 2019 - Jan 2020
Optimized primitives for collective multi-GPU communication
Contributions:39 commits, 25 pushes, 5 branches in 7 months
cudagpu-programminggpu-accelerationinfinibandgpu
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