Hubert B
Software Engineer at ChainSafe
Greater Poland Voivodeship
Summary
🤩
RockstarHubert B is a seasoned software engineer with a decade of experience focused on Linux and modern systems programming, currently contributing at ChainSafe. He combines backend development, DevOps, and performance engineering to harden distributed systems—most notably contributing to Forest, a Rust Filecoin node implementation, and the reference Filecoin Lotus project. Hubert has improved CI and build processes, migrated critical crates for reliability, and tuned RocksDB and benchmarking pipelines to extract realistic performance insights. He’s comfortable across Rust and Go toolchains and routinely automates reproducible benchmarks and health checks for production-grade services. Based in Greater Poland, he brings a pragmatic, infrastructure-first mindset that surfaces subtle reliability wins often missed in feature-driven workflows.
10 years of coding experience
Chinese, German, French, English, Polish
Stackoverflow
2,400reputation
170kreached
66answers
23questions
openssl
top-5%
Github Skills (33)
dependency-management10
benchmark10
docker10
performance-monitor10
performance-analytics10
benchmarking10
bash10
dockers10
cicd10
performance-measurement10
go10
filecoin10
performance-analysis10
blockchain10
performance-tuning10
Programming languages (22)
Github contributions (5)
LesnyRumcajs/grpc_bench
Jul 2020 - Oct 2022
Various gRPC benchmarks
Role in this project:
DevOps Engineer & Performance Engineer
DevOps Engineer & Performance EngineerContributions:308 reviews, 151 commits, 357 PRs in 2 years 3 months
Contributions summary:Hubert primarily focused on setting up and optimizing the benchmarking infrastructure for gRPC services. They introduced and configured tools like `ghz` for performance testing and implemented a system to store and analyze benchmark results. Their contributions involved creating scripts to run benchmarks across multiple gRPC implementations (Rust, Ruby, Go, etc.), defining benchmark durations, and integrating CPU/memory usage monitoring to provide a comprehensive performance analysis. Furthermore, they optimized the rust-tonic benchmark for better results.
benchmarkperformancegrpcbenchmarks
ChainSafe/forest
Feb 2022 - Jan 2023
🌲 Rust Filecoin Node Implementation
Role in this project:Back-end Developer & DevOps Engineer
Back-end Developer & DevOps EngineerContributions:24 releases, 2681 reviews, 188 commits in 11 months
Contributions summary:Hubert contributed to the Filecoin node implementation by addressing code formatting issues, adding a ShellCheck linting check to the CI, and migrating from the `chrono` crate to the `time` crate. Additionally, the user focused on improving the build process and configurations by parametrizing RocksDB settings, exposing more options and updating the license script. Further commits include improving the health check scripts for the nightly builds, and fixing an issue in the signature verification.
filecoinrustp2pblockchainnodejs
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.