Smart Contract Security Engineer (DeFi)

TL;DR

Smart Contract Security Engineer (DeFi): Owning the end-to-end security lifecycle of the Morpho lending protocol with an accent on formal verification, smart contract auditing, and bug bounty management. Focus on identifying complex vulnerabilities, researching emerging attack vectors, and optimizing security practices to enable rapid, safe protocol development.

Location: Must be based in the US or Europe (up to GMT+2) to ensure sufficient team overlap.

Company

Morpho is a leading decentralized lending protocol backed by top-tier investors, building an open, internet-native financial system to provide efficient access to capital.

What you will do

• Apply formal verification methods using Certora to prove protocol invariants and prevent bugs.
• Conduct thorough security reviews of internal smart contracts before production deployment.
• Manage the end-to-end bug bounty program, including triage, validation, and researcher communication.
• Develop safe and auditable periphery smart contracts to extend protocol functionality.
• Research emerging attack vectors and new bug classes to maintain security at the frontier.
• Represent the protocol at security conferences and publish research to strengthen community credibility.

Requirements

• Must be based in the US or Europe (up to GMT+2).
• Master's degree in Computer Science, Cybersecurity, or related field.
• 3+ years of experience in smart contract auditing with a proven track record.
• Deep knowledge of the Ethereum Virtual Machine, Solidity, and the blockchain ecosystem.
• Hands-on experience with formal verification tools like Certora.
• Strong written and verbal communication skills for vulnerability reporting and research.

Culture & Benefits

• Top-tier compensation and real flexibility in a fast-moving, async-first environment.
• Support for deep work and continuous professional growth.
• Regular team gatherings in Paris.
• Comprehensive health coverage and learning support.
• High-support, low-ego culture where decisions are justified and work is questioned openly.