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Posted Apr 23, 2026

[Remote] Blockchain Security Engineer - (Solidity / Rust / Golang)

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Note: The job is a remote job and is open to candidates in USA. CertiK is the largest blockchain security auditor, providing a comprehensive suite of tools to secure the industry at scale. They are seeking a Junior Blockchain Security Engineer who will support Web3 projects by conducting code audits, contributing to security tools, and conducting research under guidance. Responsibilities - Audit and review codebases for smart contracts, blockchain protocols, and decentralized applications (dApps) to identify and remediate vulnerabilities - Conduct guided security research, explore new attack vectors, and deliver actionable insights - Contribute to the design, development, and maintenance of internal security tools and frameworks - Support improvements to internal processes, methodologies, and service offerings, ensuring high-quality delivery for clients Skills - Bachelor's, Master's, or PhD in Mathematics, Computer Science, or Information Security - At least 1 years of hands-on experience with blockchain technologies, including: Smart contracts (EVM chains, Solana, Move, etc.), Blockchain protocols (nodes, SDKs, Cosmos, etc.) - Experience in threat modeling, risk assessment, and security analysis - Proficiency in one or more programming languages: Rust, Go, Solidity, Python, etc - Passion for Cryptocurrency, DeFi, and Blockchain technologies - Solid academic or practical background in Mathematics, Cryptography, or Cybersecurity - Demonstrated experience conducting audits and collaborating with leading Web3 protocols - Recognized achievements such as published CVEs, or strong placements in Attackathons, Bug Bounties, or Audit Contests Benefits - Medical, vision, and dental insurance - 401(k) plan with company matching - Life and accidental death and dismemberment insurance - HSA (with high deductible plan) - FSA - Flexible paid time off - Holidays - Variable commission program for business development sales roles Company Overview - CertiK leverages formal verification technology to mathematically ensure security in systems software. It was founded in 2017, and is headquartered in New York, New York, USA, with a workforce of 201-500 employees. Its website is https://www.certik.com/.
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