Blockchain Security Engineer - (Solidity / Rust / Golang)

About the Company

CertiK is the largest blockchain security auditor and provides a comprehensive suite of tools to secure the industry at scale. To date, CertiK has worked with over 4,900 Enterprise clients, secured over $557 billion worth of digital assets, and has detected over 18,000 vulnerabilities in blockchain code. Our clients include leading projects such as OKX, Tether, Ripple, and Pancakeswap. Our investors include top VCs like Tiger Global, Coatue Management, Shunwei Capital and Hillhouse Capital as well as industry leaders like Coinbase Ventures and Binance.

About the Role

We are seeking a Junior Blockchain Security Engineer with a strong security mindset and foundational technical expertise across smart contracts, blockchain nodes, and decentralized infrastructure. In this role, you will support Web3 projects by assisting in code audits, contributing to security tools, and conducting research under guidance. If you are eager to grow your career in blockchain security and passionate about securing 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.
• 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.

Requirements

• 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.

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.