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Blockchain Security Engineer - Senior Level (Solidity / Rust / Golang )

CertiK· Blockchain Security Engineering
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Hybrid (US / Remote)$102k - $180kFull-timePosted 7mo ago

About the role

Senior Blockchain Security Engineer with expertise across smart contracts, blockchain nodes, and decentralized infrastructure to audit code, build security tools, and drive research for Web3 projects.

Responsibilities

  • Audit and review codebases for smart contracts, blockchain protocols, and decentralized applications (dApps) to identify and remediate vulnerabilities.
  • Work closely with external blockchain teams to enhance the security of their products by providing expert security consultation and implementing remediation strategies.
  • Conduct independent security research, explore new attack vectors, and deliver actionable insights.
  • Design, develop, and maintain internal security tools and frameworks to strengthen our security services.
  • Continuously improve internal processes, methodologies, and service offerings while ensuring high client satisfaction and long-term partnerships.

Qualifications

  • Bachelor’s, Master’s, or PhD in Mathematics, Computer Science, or Information Security.
  • Minimum 3 years of professional experience as a Software Engineer, Security Engineer, or in a related role.
  • At least 2 years of hands-on experience with blockchain technologies, including: Smart contracts (EVM chains, Solana, Move, etc.), Blockchain protocols (nodes, SDKs, Cosmos, etc.)
  • Strong expertise 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.

Skills

Required:Smart contract securityThreat modelingProgramming

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 and holidays
  • variable commission program for business development sales roles
Last updated Oct 23, 2026. Interested? Apply on the company site.

About CertiK

Largest Blockchain Security Auditor - CertiK

CertiK, the largest Web3 security service provider, uses AI and formal verification to protect and monitor smart contracts and protocols, securing the Web3 ecosystem.

Smart Contract AuditSmart Contract SecurityDeFiBlockchain AuditCrypto SecuritySecurity Audit
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