CertiK

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

CertiK$102K — $180K *
US-AnywhereRemote in United States
Information Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's, Master's, or PhD in Mathematics, Computer Science, or Information Security
  • Minimum 3 years of professional experience in software or security engineering
  • At least 2 years of hands-on experience with blockchain technologies, including smart contracts and protocols
  • Strong expertise in threat modeling, risk assessment, and security analysis
  • Proficiency in programming languages such as Rust, Go, Solidity, or Python
  • Passion for cryptocurrency, DeFi, and blockchain technologies

Responsibilities

  • Audit and review codebases for vulnerabilities in smart contracts and dApps
  • Provide expert security consultation to external blockchain teams and implement remediation strategies
  • Conduct independent security research to explore new attack vectors
  • Design, develop, and maintain internal security tools and frameworks
  • Continuously improve internal processes and ensure high client satisfaction

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
Full Job Description
About the Role:

We are seeking a Senior Blockchain Security Engineer with a strong security mindset and deep technical expertise across smart contracts, blockchain nodes, and decentralized infrastructure. You will play a critical role in safeguarding Web3 projects by auditing code, building security tools, and driving research. If you have hands-on experience in Web3 and are passionate about advancing the security of decentralized technologies, we'd love to hear from you.

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.


Requirements

  • 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.


Preferred Qualifications

  • 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.


Compensation

Target annual salary for this role performed in the US is $102,000 - $180,000.

The exact compensation at which this job is filled will be determined by the skills and experience of qualified candidates.

CertiK is proud to offer medical, vision, and dental insurance, 401(k) plan with company matching, life and accidental death and dismemberment insurance, HSA (with high deductible plan), FSA, and other benefits to all full-time employees, along with flexible paid time off and holidays. CertiK also offers a variable commission program for business development sales roles.

About CertiK

CertiK is a blockchain security company that provides auditing and verification services for smart contracts and blockchain protocols. The company's platform uses formal verification methods to ensure the correctness and security of blockchain applications. CertiK was founded in 2018 by computer science professors from Yale University and Columbia University and is headquartered in New York City.
Learn more about CertiK
Size
50 employees
Industry
Founded
2018

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