Artem Fomiuk
Software Engineer at Matter Labs
Warsaw, Masovian Voivodeship, Poland
Summary
🤩
Rockstar🎓
Top SchoolArtem Fomiuk is a software engineer from Kyiv with four years of experience building blockchain infrastructure and L2 solutions, currently contributing to Matter Labs’ zkSync Era backend. He combines a strong competitive-programming background in algorithms and data structures with practical systems work in Rust and C++, improving APIs, metrics, and batch/proof handling for high-throughput Ethereum-compatible services. His trajectory includes hands-on roles as a blockchain developer and a Rust trainee, reflecting deep engagement with decentralized protocols across Polkadot and Ethereum ecosystems. Notably, he’s added observability and core API changes to a prominent open-source zkSync project, demonstrating both attention to performance and real-world protocol interoperability.
5 years of coding experience
2 years of employment as a software developer
Maths & CS, Maths & CS at Boarding school at KPU, KremenchugUncompleted bachelor's degree, Applied Mathematics, Uncompleted bachelor's degree, Applied Mathematics at Taras Shevchenko National University of Kyiv
English, Ukrainian, Russian
Github Skills (8)
rust10
api10
apidoc10
postgresql9
metric9
websocket9
json-rpc8
go5
Programming languages (7)
Github contributions (5)
matter-labs/zksync-era
Nov 2023 - May 2026
zkSync era
Role in this project:
Back-end Developer
Back-end DeveloperContributions:372 reviews, 285 PRs, 1353 pushes in 2 years 6 months
Contributions summary:Artem primarily contributed to the backend of the zkSync Era project, focusing on enhancing the API and improving its functionality. They added metrics to monitor filter types and request frequency to understand load distribution within the WebSocket API. The user also implemented changes to the core API server, modifying its structure, creating new endpoints, and ensuring the correct handling of batch and proof data. These modifications and optimizations directly impact the project's efficiency and Ethereum API compatibility.
zksync
Brushfam/ink
Dec 2022 - Aug 2023
Parity's ink! to write smart contracts.
Contributions:7 reviews, 6 PRs, 58 pushes in 7 months
smart-contracts
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