Pavel Pavlov
California, United States
Summary
🤩
RockstarPavel Punsky is a Senior Engineering Manager based in California with over 10 years of experience leading high-performance systems and real-time communications teams across companies like Roblox, Epic Games and Meta. He combines deep C/C++ systems expertise—evident from substantive contributions to high-profile open-source projects such as curl, zstd and simdjson—with hands-on leadership of WebRTC and voice/video infrastructure that served millions of concurrent users. Known for squeezing performance from compression, SIMD and platform-specific code paths, he routinely fixes build and cross-platform issues while adding architecture-specific optimizations. At Roblox he blends manager and principal-engineer instincts, and in his spare time he builds algorithmic trading engines, reflecting a rare mix of production-scale systems design and low-latency performance tuning.
10 years of coding experience
16 years of employment as a software developer
English
Stackoverflow
16,306reputation
3.0mreached
245answers
138questions
portability
top-5%
arm
top-5%
debugging
top-5%
while-loop
top-5%
android-ndk
top-5%
Github Skills (62)
asynchronous10
debug10
assembly10
c-language10
system-programming10
multiplatform10
bit-manipulation10
async10
architecture10
wp-api10
windows10
avx10
compression-algorithm10
zstandard10
build-system10
Programming languages (14)
Github contributions (5)
fast-pack/FastPFOR
Jun 2019 - Dec 2022
The FastPFOR C++ library: Fast integer compression
Role in this project:
Back-end Developer & Performance Engineer
Back-end Developer & Performance EngineerContributions:14 reviews, 30 commits, 25 PRs in 3 years 7 months
Contributions summary:Pavel primarily focused on porting and optimizing the FastPFOR library for the Visual Studio environment. Their contributions included adapting the code for MSVC compilers, enabling AVX support, and fixing compilation issues. The user demonstrated expertise in low-level optimization by moving functions to different namespaces and correcting printf specifiers. They also addressed platform-specific issues by modifying header files.
integer-compressioncppsorted-listsc-libraryinteger
abseil/abseil-cpp
Dec 2019 - Feb 2025
Abseil Common Libraries (C++)
Role in this project:Back-end Developer
Back-end DeveloperContributions:9 PRs, 21 comments, 1 issue in 5 years 2 months
Contributions summary:Pavel's contributions focused on improving the Abseil C++ library, primarily addressing compiler warnings and deprecation issues. They implemented fixes to avoid C++23 deprecation warnings related to `float_denorm_style` and `int` to `bool` conversions. Furthermore, the user optimized the code by removing unnecessary casts when calling the `CRC32_u64` function, and replaced a shift operation with addition within the CRC multiply function. The user also updated macros for consistency in the CRC code.
cpp
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