Arsenii U
Senior Software Engineer at Wallet
Dubai, Dubai, United Arab Emirates
Summary
🤩
Rockstar🎓
Top SchoolArsenii U is a Senior Software Engineer based in Dubai with 6–7 years building risk-sensitive, distributed backends for high-throughput products and critical infrastructure. He has led production Java services handling millions of users and 10k RPS at Revolut, implemented real-time anti-fraud controls, and improved platform performance across telecom and finance domains. Equally at home in Rust, he contributes to prominent Ethereum tooling like Foundry and the reth client, bringing deep experience in execution-layer and developer-tooling improvements. Comfortable across Java, Kotlin, C#, C++, Python and TypeScript, he combines pragmatic system design with hands-on refactoring and test-suite hardening. Notably, he pairs enterprise delivery experience with active open-source work on blockchain infrastructure, bridging developer ergonomics and low-level protocol concerns.
6 years of coding experience
6 years of employment as a software developer
Saint Petersburg State Electrotechnical University "LETI"
Github Skills (10)
foundry10
rust10
solidity10
ethereum10
blockchain10
testing10
database-design9
evm9
tooling8
geth7
Programming languages (10)
Github contributions (5)
foundry-rs/foundry
Jun 2023 - Mar 2025
Foundry is a blazing fast, portable and modular toolkit for Ethereum application development written in Rust.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:379 reviews, 324 PRs, 615 pushes in 1 year 9 months
Contributions summary:Arsenii's contributions primarily involve enhancing the functionality of the Foundry toolkit, a project designed for Ethereum application development. The user implemented features such as integrating dotenv reading into the Chisel tool, providing support for Forge-std imports, refactoring and renaming code. They also added new cheatcodes for more flexible JSON parsing, created methods and implemented other improvements related to the scripts, and fixed issues with the test suite's behavior.
foundryethereumsolcsethevm
paradigmxyz/reth
Sep 2023 - Mar 2025
Modular, contributor-friendly and blazing-fast implementation of the Ethereum protocol, in Rust
Role in this project:Backend Developer
Backend DeveloperContributions:327 reviews, 431 PRs, 832 pushes in 1 year 6 months
Contributions summary:Arsenii's commits primarily involve applying improvements and refactoring code within the `reth` repository, focusing on the Ethereum execution layer in Rust. Their contributions include integrating foundry improvements into the reth codebase, as well as extracting configuration types to a separate module within `reth-network-types`. They also made changes to core EVM components, and database-related implementations, as well as addressing code linting issues. The user appears to have a good understanding of the project's architecture and the underlying technologies.
contributor-friendlyblazingethereump2prust
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