Upwork is looking for a Solidity Auditor


    Work directly with protocols in the Ethereum and StarkNet ecosystems to review their code and help secure their protocols…

    Collaborate with teammates to maintain and continually improve our existing blockchain security tools using modern software engineering practices;

    Develop new blockchain security tools;

    Engage in meetings with clients to discuss security and best practice improvements.


    1+ year(s) of experience in Solidity security analysis;

    Solid understanding of the Ethereum Virtual Machine and Yellow Paper;

    Fluency in Solidity development and the deployment of smart contracts;

    Detailed understanding of common smart contract vulnerabilities;

    Fluency with common tools and frameworks used for development and security analysis of smart contracts;

    Strong debugging skills and/or experience in reverse engineering;

    Basic knowledge of Cairo and Starknet.

    Nice to have:

    Multiple years of prior experience in traditional cybersecurity (before transitioning to the blockchain space);

    Experience in Cairo development;

    Solid understanding of StarkNet;

    Good written and verbal communication skills;

    Understanding of most common DeFi applications.

    A portfolio of blog posts or presentations on DeFi or security-related topics;

    Publicly visible audit reports in your portfolio