Junior Blockchain Security Engineer — Flexible PTO & Growth

CertiK; United States; Remote; USD 102,000 - 180,000; Full time

Benefits offered by this job

Medical Insurance

Vision Insurance

Dental Insurance

401(k) Plan

Life Insurance

AD&D Insurance

HSA

FSA

Flexible Paid Time Off

Paid Holidays

Variable Commission Program

Job summary

CertiK is seeking a junior blockchain security engineer to support Web3 projects through code audits, tool development, and research guidance. You will work on vulnerabilities in smart contracts and protocols, while expanding security tooling and best practices.

You should have at least 1 year in blockchain tech, with strengths in threat modeling and security analysis, and programming in Rust, Go, Solidity, or Python.

Qualifications

• Bachelor’s, Master’s, or PhD in Mathematics, Computer Science, or Information Security.
• At least 1 year hands-on experience with blockchain technologies (smart contracts, nodes, dApps).
• Experience in threat modeling, risk assessment, and security analysis.
• Proficiency in Rust, Go, Solidity, Python, etc.
• Passion for Cryptocurrency, DeFi, and Blockchain technologies.

Responsibilities

• Audit and review codebases for smart contracts, blockchain protocols, and 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

Threat modeling

Security analysis

Blockchain familiarity

Hands-on security engineering

Crypto security passion

Education

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

Tools

Rust

Go

Solidity

Python

Job description

CertiK is seeking a junior blockchain security engineer to support Web3 projects through code audits, tool development, and research guidance. You will work on vulnerabilities in smart contracts and protocols, while expanding security tooling and best practices.

You should have at least 1 year in blockchain tech, with strengths in threat modeling and security analysis, and programming in Rust, Go, Solidity, or Python.