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

TL;DR

Blockchain Security Engineer - Senior Level (Solidity / Rust / Golang) (Web3 security): Auditing smart contracts, blockchain protocols, and decentralized applications while building internal security tools and frameworks with an accent on threat modeling, vulnerability analysis, and security research. Focus on discovering new attack vectors, designing remediation strategies, and strengthening the security of decentralized infrastructure at scale.

Location: Remote within the United States; employment authorization and identity verification are required.

Salary: $102,000–$180,000 annual target compensation.

Company

hirify.global is a blockchain security company providing auditing services and security tools for Web3 projects and decentralized infrastructure.

What you will do

• Audit smart contracts, blockchain protocols, and decentralized applications to identify and remediate vulnerabilities.
• Consult external blockchain teams and implement security remediation strategies.
• Conduct independent security research and investigate emerging attack vectors.
• Design, develop, and maintain internal security tools and frameworks.
• Improve security methodologies and service offerings while supporting strong client relationships.

Requirements

• Bachelor’s, Master’s, or PhD in Mathematics, Computer Science, or Information Security.
• At least 3 years of professional experience as a Software Engineer, Security Engineer, or in a related role.
• At least 2 years of hands-on blockchain experience with smart contracts, EVM chains, Solana, Move, blockchain nodes, SDKs, or Cosmos.
• Strong expertise in threat modeling, risk assessment, and security analysis.
• Proficiency in Rust, Go, Solidity, Python, or another relevant programming language.
• Practical interest in cryptocurrency, DeFi, and blockchain technologies.

Nice to have

• Academic or practical background in Mathematics, Cryptography, or Cybersecurity.
• Experience conducting audits and collaborating with established Web3 protocols.
• Published CVEs or achievements in attackathons, bug bounties, or audit contests.

Culture & Benefits

• Self-directed environment focused on solving complex security problems.
• Startup-style work with broad ownership and multiple responsibilities.
• Medical, vision, and dental insurance.
• 401(k) plan with company matching, HSA, FSA, and life insurance.
• Flexible paid time off and holidays.