Georgiy Lebedev
Doctoral Assistant at EPFL
Lausanne, Vaud, Switzerland
Summary
🤩
Rockstar🎓
Top SchoolGeorgiy Lebedev is a systems-focused software engineer and PhD researcher specializing in database systems, with eight years of hands-on experience in low-level systems programming, compiler tech, and storage engines. He spent several years as a core contributor and backend developer for the widely used Tarantool DBMS, optimizing MVCC transaction handling, LSM/LSM-tree compaction, and wire-protocol behavior while mentoring student projects like HyperLogLog and buffer pool implementations. Now a Doctoral Assistant at EPFL, his research and engineering work bridges rigorous numerical-methods background from MIPT and HSE with practical performance tuning—he even implemented an LLVM-based JIT for Tarantool’s DQL during a GSoC internship. Colleagues can expect deep C/C++ expertise in cooperative multitasking environments, subtle instrumentation like backtrace collection, and a knack for turning theoretical analysis into production-quality fixes.
8 years of coding experience
4 years of employment as a software developer
Doctor of Philosophy - PhD, Database Systems, Doctor of Philosophy - PhD, Database Systems at EPFLBachelor of Science - BS, Applied Mathematics and Physics, 4.83 (excellent), Graduation with Honours, Bachelor of Science - BS, Applied Mathematics and Physics, 4.83 (excellent), Graduation with Honours at Moscow Institute of Physics and Technology (State University) (MIPT)High School Diploma, Physics and Mathematics, 5.0, High School Diploma, Physics and Mathematics, 5.0 at Lyceum «Second School»
English, Russian
Github Skills (14)
tarantool10
databases10
transaction10
transactionscope10
c-language10
transaction-manager10
cprogramming-language10
performance-optimization10
relational-databases10
sql-database10
database10
in-memory9
logging9
lua9
Programming languages (10)
Github contributions (5)
tarantool/tarantool
Aug 2021 - Jan 2023
Get your data in RAM. Get compute close to data. Enjoy the performance.
Role in this project:
Backend Developer
Backend DeveloperContributions:1522 reviews, 155 commits, 136 PRs in 1 year 5 months
Contributions summary:Georgiy primarily focused on enhancing the Tarantool database's core functionality through code modifications and performance optimizations. Their contributions involved reducing log verbosity for snapshotting and improving the `say_ratelimit` macro to manage and emit warnings about suppressed messages more efficiently. Additionally, the user addressed issues related to configuration updates and transaction handling, implementing fixes for log configuration updates and correcting handling of tuple field count overflows. Furthermore, the user contributed to performance by optimizing vinyl database's compaction and adding checks.
luarammsgpackdiskclose
CuriousGeorgiy/tarantool
May 2021 - Feb 2025
Get your data in RAM. Get compute close to data. Enjoy the performance.
Contributions:1329 pushes, 130 branches, 12 comments in 3 years 9 months
closeperformanceramcompute
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