Balázs Benics
Compiler Engineer at Apple
London, England, United Kingdom
Summary
🤩
Rockstar🎓
Top SchoolBalázs Benics is a Compiler Engineer with a decade of experience specializing in modern C++, static and dynamic analysis, and tooling built on the LLVM/Clang ecosystem. He has driven security and correctness improvements in the Clang Static Analyzer—becoming a Code Owner—and contributed fixes and features to the high-profile llvm/llvm-project repository. Balázs has implemented incremental symbolic execution, automated CI/CD and packaging for C++ libraries, and built custom tooling to automate quality workflows in production environments. He combines a pragmatic, declarative coding style with a deep understanding of C++ abstract machine and compiler internals, enabling him to eliminate whole classes of bugs at scale. Beyond static analysis, his interests span obfuscation/deobfuscation, compiler optimization, and hands-on CTF experience, reflecting a rare blend of security mindset and compiler craftsmanship.
10 years of coding experience
4 years of employment as a software developer
Master's degree Computer Science, Master's degree Computer Science at Eötvös Loránd UniversityComputer Science, Computer Science at Eötvös József College for Advanced Studies
English
Github Skills (17)
debug10
c-language10
conan10
cmake10
cicd10
code-analysis10
build-automation10
memory-safety10
cprogramming-language10
security9
z39
headeronly9
c179
cpp9
serialization7
Programming languages (12)
Github contributions (5)
llvm/llvm-project
Oct 2022 - Oct 2022
The LLVM Project is a collection of modular and reusable compiler and toolchain technologies.
Role in this project:
Back-end Developer & Security Engineer
Back-end Developer & Security EngineerContributions:645 reviews, 1 commit, 275 PRs in 1 day
Contributions summary:Balázs primarily worked on improving the Clang Static Analyzer's capabilities, specifically focusing on security and correctness. Their contributions include fixing crashes in the analyzer related to memory safety and code analysis, such as those in the `security.cert.env.InvalidPtr` and label location checks. The user also refined the `fread` invalidation process within the stream checker. Moreover, they introduced improvements to the Z3 crosschecking process, and added support for [[assume]] and similar attributes to the analyzer.
compilerstechnologiesclangsubmittoolchain
Neargye/nameof
Jul 2019 - Jul 2019
Nameof operator for modern C++, simply obtain the name of a variable, type, function, macro, and enum
Role in this project:DevOps Engineer
DevOps EngineerContributions:19 commits, 5 PRs, 2 pushes in 4 days
Contributions summary:Balázs's primary focus was on improving the build and continuous integration processes for the `nameof` library. They refactored dependencies, particularly Catch2, to use find_package. Major contributions include initial setup and refinement of Conan packaging and CI/CD scripts, including integration with Conan auto-upload. They also updated the CI scripts and addressed build issues on non-stdc++17 buildbots.
c-plus-plus-17c-plus-plusoperatormacroreflection
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