
CertiK
CertiK, founded in 2017 in New York by Ronghui Gu and Zhong Shao, professors at Columbia and Yale, is a leading Web3 security auditor specializing in formal verification, smart contract audits and on-chain monitoring. The company has audited thousands of projects including major layer-1 chains and DeFi protocols, securing significant value via manual review, automated tools and Skynet monitoring. Its suite includes audits, penetration testing, bug bounties and real-time alerts that help developers ship safer contracts. Headquartered in New York with hubs in Shenzhen, Hong Kong and Singapore, CertiK employs security engineers across many countries. The company emphasizes academic rigor, tooling innovation and helping developers understand risks early, combining research on verified systems with practical auditing at scale for everyday builders.
Open roles

Sr. Security Engineer (Penetration Testing)
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Web3 BD
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Solidity Compiler Frontend Engineer
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Software Engineer (Engineer III to Principal) - Formal Methods
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Security Research Internship
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Public Facing Security Researcher
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Operation Assistant
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LinkedIn Operations
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IT Operations Specialist
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Compliance Engineer Intern
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Compliance Engineer
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Business Development Manager - Singapore
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Business Development Intern / CertiK Ambassador
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Blockchain Security Expert Intern - AI Track
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Blockchain Security Expert - Security Audit Track
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Blockchain Security Expert - Chain Security Evaluation Track
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Blockchain Security Expert - Anti Defect Track
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Blockchain Security Expert - AI Track
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Blockchain Security Engineer - Senior Level (Solidity / Rust / Golang )
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Blockchain Security Engineer - (Solidity / Rust / Golang)
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Background Investigator
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APAC Policy and Regulatory Strategist
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Business Development Associate - Vietnam
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Director of AML & Virtual Asset Compliance
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Business Development Manager (Junior to Mid-Level) - Hong Kong
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