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Senior Security Engineer, DeFi

USA (Remote)🌐 Remote💼 Full-time🗓 2026-09-24 → 2026-09-29

Core

Protect the Sui DeFi ecosystem by uncovering vulnerabilities, building monitoring tools, and assessing economic risks across protocols.

Role type

Senior Security Engineer (DeFi)

Builds

Continuous monitoring tools, static analysis tooling, and security compliance frameworks for the Sui ecosystem.

Domain

Blockchain / DeFi / Smart Contract Security

Required skills

DeFi mechanics and failure modes, TypeScript, Python, Rust, smart contract code analysis, SQL, blockchain indexers

Preferred skills

Sui and Move experience, DeFi exploit history knowledge, LLM agent tooling, static/dynamic program analysis, quantitative/economic modeling

Technologies

TypeScript, Python, Rust, Move, Sui GraphQL, Sui gRPC, SQL, blockchain indexers, data warehouses

Responsibilities

Build and run continuous monitoring for security and economic risk; extend security team tooling; drive compliance with DeFi security recommendations; hunt for critical vulnerabilities in high-TVL protocols; act as security point of contact for external teams and internal products; document findings and runbooks.

Seniority

Senior, hands-on IC

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