Joey Santoro
Wizard at Ethereum
San Francisco Bay Area United States
Summary
🤩
Rockstar🎓
Top SchoolJoey Santoro is a software engineer and builder in the San Francisco Bay Area with eight years of experience focused on blockchain and decentralized finance. As Founder of Fei Protocol and a current contributor at Ethereum (title: Wizard), he combines product instincts with deep Solidity expertise—co-authoring ERC-4626 and contributing gas-optimized vault logic and tests to the widely used solmate library. He’s shipped smart contract infrastructure (deposits, withdrawals, redeem flows) and improved test tooling and cheatcodes to make contracts safer and easier to audit. Previously at Okta and through research and leadership roles at Duke, he honed backend engineering and crypto-education skills that help bridge academia, open source, and production-grade protocol work.
8 years of coding experience
3 years of employment as a software developer
Bachelor of Science (B.S.), Computer Science, Senior, Bachelor of Science (B.S.), Computer Science, Senior at Duke UniversityTwitter University
Github Skills (5)
erc2010
smart-contracts10
solidity10
testing10
foundry9
Programming languages (9)
Github contributions (5)
transmissions11/solmate
Jan 2022 - Mar 2022
Modern, opinionated, and gas optimized building blocks for smart contract development.
Role in this project:
Back-end Developer & Test Automation Engineer
Back-end Developer & Test Automation EngineerContributions:15 reviews, 8 commits, 13 PRs in 2 months
Contributions summary:Joey primarily contributed to the development of Solidity smart contracts, specifically focusing on the ERC4626 vault and related functionalities. They implemented and refined vault logic, including deposit, withdraw, and redeem functions. Additionally, the user was involved in writing and updating test cases using a testing framework to validate the functionality of the smart contracts. The contributions included adding new cheatcodes and enhancing existing features for better testing capabilities.
foundrybuilding-blockssmart-contractethereumcontract
fei-protocol/flywheel-v2
Feb 2022 - Apr 2022
General Token Incentives Infrastructure
Contributions:1 release, 32 reviews, 40 commits in 2 months
ethereumtokenblockchaininfrastructureincentives
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