About the Role
We are hiring an AI Blockchain Security Engineer for a leading fintech company's security and AI team in the San Francisco Bay Area.
This role focuses on building AI-driven systems for blockchain security research, smart contract analysis, and onchain threat detection. You will work at the intersection of AI agents, blockchain infrastructure, and offensive security to improve automated vulnerability discovery and security investigation workflows across Web3 ecosystems.
Key Responsibilities
Build AI-assisted systems for smart contract security analysis and vulnerability detection.
Research and develop AI agents that analyze smart contracts, protocol logic, and cross-chain transaction flows.
Build internal tooling for automated security investigation, exploit analysis, and threat detection across blockchain ecosystems.
Improve AI reasoning over large codebases, protocol interactions, wallet activity, and complex execution flows.
Collaborate with security researchers, protocol engineers, and infrastructure teams to strengthen security monitoring and incident response.
Stay current with emerging blockchain attack techniques, AI security trends, and evolving Web3 infrastructure.
Requirements
A degree in computer science, artificial intelligence, blockchain, or security.
Experience in one or more of the following:
blockchain security
smart contract auditinView Postingg
vulnerability research
Familiarity with blockchain ecosystems, EVM internals, smart contract execution, and transaction lifecycle analysis.
Understanding of common Web3 attack vectors, including:
reentrancy attacks
access control vulnerabilities
signature replay attacks
oracle manipulation attacks
cross-chain bridge exploits
Familiarity with security practices such as vulnerability analysis, blockchain security monitoring, attack investigation, or exploit validation.
Experience building AI workflows, retrieval systems, tool-calling agents, or LLM-powered security tools.
A strong analytical mindset and a genuine interest in AI-driven security research and blockchain infrastructure.
Preferred
Familiarity with blockchain-related cryptography: hashing, digital signatures, Merkle trees, MPC, or consensus mechanisms.
Work Setup
Full-time, on-site in the San Francisco Bay Area.
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