Michał Mirończuk
Smart Contract Engineer at LI.FI
Poznan, Greater Poland Voivodeship
Summary
👤
Senior🎓
Top SchoolMichał Mirończuk is a Smart Contract Engineer with nine years of experience building production-grade blockchain systems across Ethereum, EVM chains, Hedera, Casper and TON. He has delivered DeFi primitives, NFT marketplaces and custody solutions—shipping secure Solidity contracts, Hardhat/Truffle pipelines, and AWS-backed dApp infrastructure for clients like Instadapp and LI.FI. Notable product work includes a non-technical smart-contract management tool on Safe multisigs, royalty-aware NFT systems for cultural institutions, and finalist-level startup traction at Consensus 2023. Comfortable across the full stack, he pairs Solidity development with React frontends, Node backends and CI automation to take projects from prototype to deployed service. Based in Poznań and academically trained at Stockholm University and Poznan University of Technology, he blends research-grade rigor with startup pragmatism. He’s also repeatedly chosen roles that intersect custody, compliance and user-friendly UX—an indicator of his focus on real-world blockchain adoption.
9 years of coding experience
6 years of employment as a software developer
Bachelor of Science - BS Computer Science, Bachelor of Science - BS Computer Science at Poznan University of TechnologyMaster of Science - MS Computer and Systems Sciences, Master of Science - MS Computer and Systems Sciences at Stockholm University
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (24)
solidity10
ethereum10
blockchain10
smart-contracts10
fabric10
ethereum-contract10
hyperledger9
hyperledger-fabric9
mining9
proof-of-work8
portal7
distributed-ledger7
blockchain-network6
substrate6
react5
Programming languages (6)
Github contributions (5)
mirooon/Cinema-ASP.NET-MVC
Oct 2017 - May 2018
Contributions:27 commits, 25 pushes, 1 branch in 6 months
mirooon/mirooon
Oct 2020 - Mar 2025
Contributions:9 pushes, 1 branch in 4 years 5 months
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