Denis Khalikov
Senior Software Engineer at Yandex
Moscow, Moscow City, Russia
Summary
🤩
Rockstar🎓
Top SchoolDenis Khalikov is a Senior Software Engineer with nine years of experience building compilers and database engines, currently contributing to Yandex's YDB query optimizer and YQL projects. His background spans low-level toolchains and ML compilers—having been a committer to LLVM/MLIR and contributor to TVM at Huawei—and earlier work on GCC sanitizers and libbacktrace at Samsung. At MariaDB he helped evolve the ColumnStore columnar engine, bringing systems-level optimization experience to large-scale data processing. On GitHub he contributed noteworthy SPIRV dialect work to the prominent MLIR project, implementing canonicalization patterns and new composite operations that improved code generation and test coverage. Based in Armenia, Colombia, Denis combines deep compiler theory from a mathematics and computer science education with pragmatic production engineering across open-source and enterprise codebases. He’s particularly skilled at turning complex intermediate representations into efficient, testable back-end implementations.
9 years of coding experience
10 years of employment as a software developer
Bachelor's degree Mathematics and Computer Science, Bachelor's degree Mathematics and Computer Science at Moscow State University
Github Skills (8)
compiler-optimization10
spirv10
code-generation10
c-language10
cprogramming-language10
mlr10
simplification9
simplify9
Programming languages (4)
Github contributions (5)
tensorflow/mlir
Nov 2019 - Dec 2019
"Multi-Level Intermediate Representation" Compiler Infrastructure
Role in this project:
Back-end Developer
Back-end DeveloperContributions:8 commits, 29 PRs, 336 comments in 23 days
Contributions summary:Denis primarily contributed to the development of the SPIRV dialect within the MLIR compiler infrastructure, focusing on compiler optimizations and code generation. Their work included implementing canonicalization patterns for various SPIRV operations, such as `BitcastOp`, `LogicalNotOp`, and optimizing `CompositeExtractOp`. The user also added new operations, like `CompositeInsertOp` and `CompositeConstructOp`, enhancing the capabilities of the SPIRV dialect. They also made improvements to existing test suites, including adding new test cases for arithmetic and logical operations.
representationmulti-levelinfrastructurelevel-intermediatecompiler
denis0x0D/mariadb-columnstore-engine
Mar 2021 - Jan 2025
Core storage engine - UM and PM Process code
Contributions:1 PR, 897 pushes, 257 branches in 3 years 11 months
dbmsdata-integritystorageqpersistent-storage
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.