Blockchain Security Expert - Security Audit Track

US / RemoteFull-TimeMid-levelOther

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Perform end-to-end security services, including consulting, reviewing, auditing, verifying, testing, and delivering detailed security assessments for blockchain systems such as smart contracts, web3 protocols, L1/L2/L3 infrastructures, and dApps.
Conduct comprehensive manual code reviews to identify vulnerabilities, logical flaws, economic attacks, and non-obvious edge cases across Solidity, Golang, Rust or other blockchain languages.
Develop and refine threat models and attack surfaces, covering economic, technical, operational, and trust-assumption risks for blockchain protocols.
Design and execute security tests, including property-based testing and gas-related analysis.

Bachelor's degree in Security, Computer Science, Mathematics, Physics, and Engineering
The ability to efficiently triage and juggle multiple priorities and deadlines.
Specialist-level knowledge of cybersecurity and security auditing. Can write and deploy smart contracts/blockchain infrastructure and write tests with frameworks.
Familiar with classic attack vectors and vulnerabilities such as reentrancy, sandwich attacks, overflow/underflow
The ability to effectively communicate with the clients and internal team, both verbally in English and in writing, about security services and requirements.
[Preferred] Prior hands-on security auditing experience.

Opportunity to shape the national conversation on blockchain and security.
Collaborate with industry-leading security researchers, technologists, and global institutions.
Flexible work environment and mission-driven culture.