Oleksandr Zarudnyi
Lead Compiler Developer at Matter Labs
Abu Dhabi, Abu Dhabi Emirate, United Arab Emirates
Summary
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Rockstar🎓
Top SchoolOleksandr Zarudnyi is a Lead Compiler Developer with 8 years of experience building high-performance systems and tooling, currently based in Abu Dhabi and leading compiler work at Matter Labs. He is a pragmatic Rust advocate—“In Rust we trust”—with hands-on contributions to the zkSync project, where he implemented serde support, tokio-based server refactors, and batch transaction features for a prominent Ethereum scaling solution. His background spans low-level Windows driver development and C++ systems work, giving him a rare combination of kernel- and compiler-level expertise. Oleksandr blends systems thinking with practical product impact, moving complex async and serialization problems into production-ready code. He mentors teams on idiomatic Rust and compiler internals while continuing to experiment with crypto and tooling in open source.
9 years of coding experience
5 years of employment as a software developer
Bachelor's degree, Computer Science, Bachelor's degree, Computer Science at APEPS department of Igor Sikorsky Kyiv Polytechnic Institute
Stackoverflow
1,515reputation
96kreached
32answers
19questions
Github Skills (17)
zksync10
back-end-development10
io10
blockchain10
rust10
serde10
apidoc9
api9
shell6
floating-point6
psql6
sql6
phoenix-framework6
bash6
elixir6
Programming languages (12)
Github contributions (5)
matter-labs/zksync
Sep 2020 - Dec 2020
zkSync: trustless scaling and privacy engine for Ethereum
Role in this project:
Back-end Developer
Back-end DeveloperContributions:8 commits, 1 comment, 7 issues in 2 months
Contributions summary:Oleksandr implemented serde serialization and deserialization for various types within the zkSync Rust SDK, specifically focusing on the `Network` enum and other data structures. The user also modified core server-side code by integrating tokio runtime, and refactored the API server and RPC subscriptions modules to make use of tokio. Further contributions include the addition of batch transaction functionality within the Rust SDK, as well as modification to the integration tests to include batch transaction tests.
ethereumzksyncteam-core
matter-labs/era-compiler-llvm-context
Mar 2023 - Sep 2025
Shared front-end code of the ZKsync compilers.
Contributions:19 reviews, 150 PRs, 338 pushes in 2 years 6 months
compilerfrontendzksyncteam-compiler
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