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

As a Senior Blockchain Security Engineer at CertiK, you will safeguard Web3 projects by auditing smart contracts, blockchain protocols, and decentralized applications. You'll work with external teams to enhance product security, conduct independent security research, and build internal tools that strengthen CertiK's security services. This role is critical to advancing the security of decentralized technologies.

What you'll do

• Audit and review codebases for smart contracts, blockchain protocols, and decentralized applications to identify and remediate vulnerabilities
• Work closely with external blockchain teams to enhance the security of their products through expert security consultation and 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 security services
• Continuously improve internal processes, methodologies, and service offerings while ensuring high client satisfaction and long-term partnerships

What you bring

• A 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.) and 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, or similar
• Passion for cryptocurrency, DeFi, and blockchain technologies

Nice to have

• A 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

What we offer

• Target annual salary of $102,000 - $180,000 (exact compensation determined by skills and experience)
• Medical, vision, and dental insurance
• 401(k) plan with company matching
• Life and accidental death and dismemberment insurance
• HSA with high deductible plan and FSA
• Flexible paid time off and holidays

About CertiK

CertiK is the largest blockchain security auditor, providing a comprehensive suite of tools to secure Web3 at scale. The company has worked with over 4,900 enterprise clients, secured over $557 billion in digital assets, and detected over 18,000 vulnerabilities in blockchain code. Clients include OKX, Tether, Ripple, and Pancakeswap. Investors include Sequoia, Tiger Global, Coatue Management, Lightspeed, SoftBank, Hillhouse Capital, Coinbase Ventures, and Binance.