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Gerardo Nardelli

Security Researcher | Senior Smart Contract Engineer

📍 Santa Fe, Argentina

🟢Aping In

12+ year software engineering track record, 7+ years in the Ethereum ecosystem, 5+ years as senior Solidity developer, 1+ year in security research/auditing. Specializes in protocol design, implementation, and smart contract security. Experience in DeFi, governance, wallets, cross-chain bridges, insurance, and NFTs. 3x Top 3 placements in audit contests on Sherlock, Cantina, and Code4rena.

Work Preferences

Salary

USD 100,000240,000

Skills

Solidity10/10
Security Research & Auditing9/10
DeFi Protocol Development9/10
ERC20 / ERC7219/10
Smart Contract Security9/10
Cross-Chain Bridges (9/10)Fuzz & Invariant Testing (8/10)Hardhat (8/10)Uniswap V2/V3/V4 (8/10)ERC4626 (8/10)Foundry (8/10)Account Abstraction (7/10)JavaScript (7/10)Slither (7/10)TypeScript (7/10)Node.js (6/10)The Graph (Subgraphs) (6/10)React (6/10)PHP (5/10)Java (5/10)

Work Experience

Security Researcher

Independent

Dec 2024Present

Secured 25+ protocols on private audit engagements with 200+ vulnerabilities found working with Hashlock, Pashov Audit Group, and Shieldify. Competed in 20+ public security contests, achieving top-3 placements on 3 occasions and identifying 80+ high and medium severity vulnerabilities. 3 highlighted findings in Sherlock's Vulnerability Spotlight.

Senior Smart Contract Engineer

BootNode

Apr 2021Apr 2024

Designed and implemented smart contracts across DeFi, governance, bridging, wallets, NFT and insurance protocols on Ethereum and L2s. Led architecture, design, implementation, testing, code review, and deployment for high-profile projects including account abstraction wallets, governance systems, and covered vaults. Contributed to Infinex Governance, zkSync Era Azure Wallet, Connext V2 Amarok, and Nexus Mutual V2. Built supporting infrastructure for Derive (formerly Lyra Finance).

Full-stack Blockchain Engineer

Protofire

Feb 2018Apr 2021

Contributed core smart contract features to Aave V2 and Set Protocol V2. Led end-to-end development of the POA Network TokenBridge (xDAI Bridge and OmniBridge for Gnosis Chain, currently $300M TVL). Enhanced Nifty Wallet. Served as technical lead for KyberDAO Pool Master Proxy and Arianee Token + Customized Bridge instance.

Full Stack Web2 Developer

Various Companies & Freelance (Folder IT, Zoovet, Caja de Seg. Social, RiteTag, Independent)

Mar 2013Jan 2018

Built scalable full-stack web applications and offline-capable systems across healthcare, social security, food supply chain, veterinary management, and social media tools. Worked with Java/Spring, PHP/Laravel/Nette, JavaScript frameworks, Ionic/Angular, and various databases.

Education

Universidad Tecnológica Nacional Facultad Regional Santa Fe

Information Systems Engineering

20072014