Junior Blockchain Security Engineer: Audit & Secure Web3

DaParrot Ltd; Northern (KY); Hybrid; USD 102,000 - 180,000; Full time

Benefits offered by this job

Medical insurance

Vision insurance

Dental insurance

401(k) with company match

Life insurance

HSA (high deductible)

FSA

Flexible paid time off

Holidays

Variable commission program for BD

Job summary

CertiK is seeking a Junior Blockchain Security Engineer to support Web3 projects by auditing code, aiding in security tooling, and performing guided security research under supervision.

The role requires a security mindset, foundational experience with smart contracts, and a passion for securing decentralized technologies. This is an opportunity to grow in blockchain security within a leading auditing firm.

Qualifications

• Bachelor’s, Master’s, or PhD in Mathematics, Computer Science, or Information Security.
• At least 1 year of hands-on experience with blockchain technologies, including: Smart contracts (EVM chains, Solana, Move).
• Experience in threat modeling, risk assessment, and security analysis.
• Proficiency in one or more programming languages: Rust, Go, Solidity, Python.
• 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.
• Published CVEs or strong placements in Attackathons, Bug Bounties, or Audit Contests.

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

Rust

Go

Solidity

Python

Threat modeling

Security analysis

Blockchain knowledge

Education

Bachelor’s, Master’s, or PhD in Mathematics, Computer Science, or Information Security

Job description

CertiK is seeking a Junior Blockchain Security Engineer to support Web3 projects by auditing code, aiding in security tooling, and performing guided security research under supervision.

The role requires a security mindset, foundational experience with smart contracts, and a passion for securing decentralized technologies. This is an opportunity to grow in blockchain security within a leading auditing firm.