Nikola Mratinić
Distributed Systems Engineer at Nethermind
Croatia
Summary
🤩
Rockstar🎓
Top SchoolNikola Mratinić is a Distributed Systems Engineer with 11 years of experience who blends startup leadership and hands-on engineering, currently working at Nethermind after co-founding and serving as CTO of Madbarz (Techstars ’16). He has deep practical experience across C++, Java, .NET (ASP.NET MVC, Web API 2), mobile and web front-ends (JavaScript, AngularJS), and routinely makes architecture and technology decisions for product-focused teams. Educated at FER, University of Zagreb, he has a strong foundation in programming and a track record of shipping production systems in the health and fitness space. Comfortable moving between low-level systems work and high-level product tradeoffs, he brings entrepreneurial drive and long-term ownership to distributed systems projects.
11 years of coding experience
High School High School Mathematics Informatics, High School High School Mathematics Informatics at III. Gimnazija SplitProgramming Engeenier, Programming Engeenier at FER (Faculty of electrical engineering and computing), University of Zagreb
English, Croatian
Github Skills (138)
geth10
p2p10
sdwebimage10
react-native-navigation10
react-native-image10
go10
navigator10
react-native10
image10
evm10
ethereum10
blockchain10
react-native-library10
animation9
facebook-sdk9
Programming languages (16)
Github contributions (5)
NethermindEth/rollup-geth
Sep 2024 - Apr 2025
Fork of go-ethereum tailored for L2 Rollups
Contributions:21 reviews, 33 PRs, 82 pushes in 7 months
go-ethereum
mralj/aztec-packages
May 2025 - Oct 2025
Contributions:4 PRs, 228 pushes, 60 branches in 4 months
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