Yurii Oleksyshyn
Staff Software Engineer at Flow Blockchain
Lviv, Lviv Oblast, Ukraine
Summary
👤
Senior🎓
Top SchoolYurii Oleksyshyn is a Staff Software Engineer with a decade of deep systems and blockchain experience, currently contributing to Flow Blockchain after senior roles at Dapper Labs. He blends strong mathematical foundations with low-level expertise in C/C++, Rust, and Go to solve hard algorithmic and consensus problems across distributed systems and microservices. Yurii's open-source contributions to the flagship Flow repositories show hands-on work on block header design and validation logic—areas critical to blockchain consensus and security. Comfortable from protocol-level engineering to performance-sensitive system programming and Qt-based tooling, he also brings experience building privacy-focused messaging and wallet systems. Based in Lviv, Ukraine, he pairs a research-minded interest in functional programming with pragmatic delivery of production-grade, cryptoeconomic infrastructure.
11 years of coding experience
10 years of employment as a software developer
Bachelor of Applied Science (B.A.Sc.), Applied mathematics and informatics, Bachelor of Applied Science (B.A.Sc.), Applied mathematics and informatics at Ivan Franko National University of Lviv
Английский, Украинский
Stackoverflow
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Github Skills (10)
distributed-systems10
verification10
go10
protobuffer10
protobuf10
blockchain10
testing9
data-structure9
smart-contracts9
data-structures9
Programming languages (10)
Github contributions (5)
onflow/flow-go
Nov 2020 - Jan 2023
Reference implementation of the Flow network in Go. Layer 1 proof-of-stake protocol built for consumer apps, AI Agents, and DeFi at scale
Role in this project:
Back-end Developer
Back-end DeveloperContributions:1783 reviews, 1683 commits, 363 PRs in 2 years 2 months
Contributions summary:Yurii's commits primarily involve modifications and testing within the `flow-go` repository, a blockchain project. The user focuses on validation logic, indicating a focus on building and maintaining the core functionality of the blockchain. Their contributions include improvements to timeout object handling and verification, demonstrating expertise in distributed systems and blockchain technology.
ai-agentgogolangblockchainbyzantine-fault-tolerance
onflow/flow
May 2022 - Dec 2022
Flow is a Layer 1 proof-of-stake blockchain built for consumer applications, AI Agents, and DeFi at scale. Repo hub for the Flow network
Role in this project:Back-end Developer
Back-end DeveloperContributions:1 release, 6 reviews, 6 commits in 6 months
Contributions summary:Yurii's commits primarily involve modifications to the block header structure within the Flow blockchain project. They updated protobuf definitions in both Go and the .proto files, introducing new fields like `LastViewTc` and `parent_view` to the `BlockHeader` message. The changes suggest the user is working on core blockchain consensus or data structure components. The updates enhance the block header with information related to consensus mechanisms.
ai-agentblockchainsmart-contractscadenceconsumer-apps
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