Marcin Wójtowicz
Haskell Software Developer at Input Output (IOHK)
Piaseczno, Masovian Voivodeship, Poland
Summary
🤩
Rockstar🎓
Top SchoolMarcin Wójtowicz is a Haskell-focused software developer with a background in mechanical and aerospace engineering, currently contributing to Cardano’s networking stack and Mithril decentralized messaging at Input Output (IOHK). He brings practical embedded systems experience from developing C++ trackside and train communication software, and pairs that with functional-programming expertise in Haskell and Racket plus scripting fluency in Python and Bash. Marcin’s work spans protocol design, property-based testing, performance tuning and system monitoring, reflecting a pragmatic approach to distributed systems. Unusually for someone with a mechanical engineering degree, he has transitioned into core blockchain network development, blending hardware-near thinking with formally minded functional techniques. Based in Piaseczno, Poland, he leverages prior aerospace engineering rigor to tackle safety- and performance-critical software challenges.
2 years of coding experience
13 years of employment as a software developer
Bachelor of Engineering Mechanical Engineering, Bachelor of Engineering Mechanical Engineering at Stevens Institute of Technology
English, Polish
Github Skills (45)
networking10
ada10
cardano10
blockchain10
network10
portal10
plutus10
haskell10
consensus9
ledger9
cryptocurrency9
eco9
protocols8
cabal8
completions8
Programming languages (5)
Github contributions (5)
crocodile-dentist/developer-portal
Feb 2025 - Mar 2025
The Cardano Developer Portal
Contributions:7 pushes in 1 month
IntersectMBO/ouroboros-consensus
Apr 2024 - Feb 2025
Implementation of a Consensus Layer for the Ouroboros family of protocols
Contributions:9 reviews, 7 PRs, 69 pushes in 10 months
raftconsensusouroborosblockchain
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.