Ilya Biryukov
Munich, Bavaria, Russia
Summary
🤩
Rockstar🎓
Top SchoolIlya Biryukov is a seasoned software engineer with 14 years of experience building developer tools, compilers, and an analytical database (CubeStore), blending deep systems skills with practical product focus. He is fluent in C++ and Rust, with strong proficiency across C#, Java, Kotlin, Python and SQL, and a habit of exploring languages like Haskell. His open-source contributions to LLVM/Clang and Clangd include threading and scheduling rewrites, AST/serialization robustness improvements, and fixes that improved code completion stability—work used by large-scale developer tooling and Google. At Cube Dev he led CubeStore solo, porting HyperLogLog formats across ecosystems and cutting query latencies by orders of magnitude through algorithmic and low-level optimizations. He thrives on compiler internals, data-sketch interoperability, and making high-performance systems reliable and easy to deploy. Based in Munich with an applied mathematics background from ITMO, he pairs rigorous academic training with a pragmatic, hands-on engineering approach.
14 years of coding experience
9 years of employment as a software developer
Bachelor’s Degree, Applied Mathematics, With Distinction, Bachelor’s Degree, Applied Mathematics, With Distinction at ITMO University
Russian, English, German
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (44)
c-language10
static-analysis10
sem10
python10
back-end-development10
abstract-syntax-tree10
llvm10
databases10
data-serialization10
build-system10
code-completion10
internals10
semantics10
serialization10
compiler-design10
Programming languages (12)
Github contributions (5)
llvm-mirror/clang-tools-extra
May 2017 - Oct 2019
Mirror kept for legacy. Moved to https://github.com/llvm/llvm-project
Role in this project:
Back-end Developer
Back-end DeveloperContributions:321 commits in 2 years 5 months
Contributions summary:Ilya's contributions primarily focus on the development of back-end infrastructure and toolchain components for the LLVM project's clangd tool. They refactored and implemented core functionalities like AST management, including adding support for template-based features, and improved the reliability of the code completion mechanisms. The user was also responsible for fixing crashes and data races in the code completion logic, indicating a focus on code stability and reliability. Additionally, they implemented features and code actions, such as handling the selection of the right template arguments.
keptwindowsllvm
llvm/llvm-project
Jul 2022 - Jan 2023
The LLVM Project is a collection of modular and reusable compiler and toolchain technologies.
Role in this project:Back-end Developer
Back-end DeveloperContributions:283 reviews, 2 commits, 44 PRs in 6 months
Contributions summary:Ilya primarily focused on improving the clang compiler's serialization and AST (Abstract Syntax Tree) handling. Their work involved implementing stack exhaustion checks during declaration deserialization and exposing source location usage statistics for memory management. The user also addressed issues related to unexpanded parameter packs in CXXFoldExpr and default arguments for template parameters. These changes improved the compiler's robustness and memory efficiency.
compilerstechnologiesclangsubmittoolchain
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