Hybrid Blockchain Security Auditor: Smart Contract Defender

Placements24; Welkom; Hybrid; ZAR 600,000 - 900,000; Full time

Benefits offered by this job

Hybrid work model

Training opportunities

In-office collaboration Welkom

Job summary

Placements24 is seeking a Blockchain Security Auditor to join their team in Welkom, Free State, ZA. This hybrid role focuses on securing smart contracts, dApps, and blockchain networks, conducting in-depth security assessments, and providing remediation guidance.

You will analyze protocols, identify vulnerabilities, and collaborate with developers to implement fixes, staying current with security trends. The position offers hybrid work and opportunities to work on diverse blockchain projects.

Qualifications

• Bachelor's degree in CS, cybersecurity, IT, or related field.
• 3+ years auditing smart contracts and performing security analyses.
• Proficient in Solidity, Vyper, Rust, or C++.
• Knowledge of common vulnerabilities (reentrancy, overflow, timestamps).
• Experience with Mythril, Slither, SpectX and similar tools.

Responsibilities

• Audit smart contracts on Ethereum, Binance Smart Chain, Polygon.
• Identify vulnerabilities, design flaws in code and architecture.
• Perform penetration testing on dApps and blockchain infrastructure.
• Analyze transaction flows and network activity for suspicious behavior.
• Provide clear, prioritized reports with remediation steps.
• Develop and maintain security audit checklists and methodologies.
• Stay up-to-date with security threats and best practices.

Skills

Smart contract auditing

Security analysis

Blockchain protocols

Penetration testing

Analytical skills

Communication

Education

BSc in CS/Cybersecurity

Tools

Mythril

Slither

SpectX

Job description

Placements24 is seeking a Blockchain Security Auditor to join their team in Welkom, Free State, ZA. This hybrid role focuses on securing smart contracts, dApps, and blockchain networks, conducting in-depth security assessments, and providing remediation guidance.

You will analyze protocols, identify vulnerabilities, and collaborate with developers to implement fixes, staying current with security trends. The position offers hybrid work and opportunities to work on diverse blockchain projects.