Felix聽Handte
Software Engineer at Radical Rhinoceros Pictures, LLC
New York, New York, United States
Summary
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Rockstar馃帗
Top SchoolFelix Handte is a software engineer with 14 years of experience focused on high-performance compression systems and backend C++ infrastructure. At Facebook he invented and shipped Managed Compression, improving core system efficiency by over 50%, and made algorithmic contributions to open-source projects like Zstd and LZ4. He鈥檚 an active contributor to Facebook鈥檚 folly and proxygen libraries, improving memory management, async performance, and stream compression integration. Felix combines production-grade systems thinking with low-level algorithmic optimization鈥攆ixing bugs that prevented segfaults, adding dictionary support, and improving core compression speed. Based in New York, he pairs engineering rigor with cross-team collaboration to apply compression across large-scale products and the broader internet. Outside work he co-founded a small media company, showing an appetite for creative projects beyond systems engineering.
14 years of coding experience
1 year of employment as a software developer
Computer Science, Computer Science at Rochester Institute of TechnologyStuyvesant High School
Stackoverflow
129reputation
10kreached
3answers
0questions
Github Skills (27)
algorithm10
lz410
algorithms10
c-language10
compression-algorithm10
memory-management10
http10
zstandard10
c-programming10
c1110
data-structure10
c1710
zlib10
data-structures10
compression10
Programming languages (12)
Github contributions (5)
facebook/zstd
Sep 2017 - Jan 2023
Zstandard - Fast real-time compression algorithm
Role in this project:
Back-end Developer
Back-end DeveloperContributions:6 releases, 139 reviews, 668 commits in 5 years 4 months
Contributions summary:Felix's contributions primarily focused on enhancing the Zstandard compression library with support for LZ4 compression. They added LZ4 support by default, added command-line interface program name detection, and fixed a buffer overflow issue related to LZ4 compression. Their work involved modifying core compression algorithms, build scripts, and command-line utility programs to incorporate the new LZ4 features. Additionally, they made refactoring and code style improvements within the project.
compression-algorithmzstandard
lz4/lz4
Sep 2017 - Aug 2020
Extremely Fast Compression algorithm
Role in this project:Back-end Developer
Back-end DeveloperContributions:142 commits, 23 PRs, 84 comments in 2 years 11 months
Contributions summary:Felix focused on enhancing the lz4 library's functionality by adding support for dictionary compression within the command-line tool and underlying library code. They implemented features to incorporate dictionaries, including file handling and context management, to improve compression ratios. The user also addressed a bug in lz4frame.c related to copying dictionaries, preventing a segfault during decompression. Additionally, they made performance improvements to the core compression algorithms, including the use of fast reset and other optimizations.
compression-algorithmlz4ccompression
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