Jonas Merhej
Blockchain Security Researcher at OpenZeppelin
Germany
Summary
👤
Senior🎓
Top SchoolJonas Merhej is a blockchain security researcher with eight years of software engineering experience, currently focused on smart contract safety at OpenZeppelin. He blends Rust and Solidity expertise to identify and remediate vulnerabilities across decentralized systems, informed by formal ZeroKnowledge training as a RareSkills graduate. Based in Germany, he combines rigorous academic grounding from Universität des Saarlandes with practical applied security work in high-stakes blockchain environments. Jonas is comfortable both auditing complex protocols and contributing tooling-driven fixes that improve developer workflows. He brings a curious, research-first mindset that surfaces non-obvious edge cases and attack vectors before they reach production.
8 years of coding experience
Bachelor, Computer Science, Bachelor, Computer Science at Universität des SaarlandesAbitur, Mediengestalter, Abitur, Mediengestalter at TGBBZ2
German, Arabic, French, English
Stackoverflow
401reputation
35kreached
13answers
6questions
Github Skills (136)
opcodes10
static-analysis10
solidity10
wordpress10
vyper10
analyzer10
nft10
ethereum10
wordpress-plugin10
blockchain10
opensea9
javascript9
linux9
windows9
smart-contracts9
Programming languages (13)
Github contributions (5)
pepemon-dao/pepemon-frontend
Oct 2021 - Dec 2021
front-end dApp for Pepemon maintained by the community
Contributions:186 commits, 28 pushes, 3 branches in 1 month
reactdappethereumblockchainweb3
cre-mer/gutenberg-slider
Jan 2019 - Jul 2019
Contributions:7 releases, 10 PRs, 29 pushes in 6 months
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