Senior Smart Contract Auditor - Security Specialist

Placements24; Rustenburg; Hybrid; ZAR 827,000 - 1,653,000; Full time

Job summary

Placements24 is hiring a Senior Smart Contract Auditor to lead security reviews of blockchain applications. You will audit contracts written in Solidity and other languages, run static and dynamic analyses, and create testing frameworks to uncover vulnerabilities before deployment.

The role offers strong autonomy and impact in the Rustenburg blockchain ecosystem. The ideal candidate has 5+ years in cybersecurity, deep EVM understanding, and expertise with tools like Slither and Mythril.

Qualifications

• Minimum 5 years in cybersecurity with a focus on smart contract auditing.
• Deep understanding of EVM architecture and contract security.
• Proficiency in Solidity, JavaScript, and Python.
• Experience with Hardhat/Truffle and security tools (Slither/Mythril).
• Ability to read complex codebases and explain findings clearly.
• Strong analytical and reporting skills.
• Certifications like Certified Smart Contract Auditor are a plus.

Responsibilities

• Conduct security audits of Solidity/Vyper smart contracts.
• Identify vulnerabilities such as reentrancy and overflows.
• Perform static analysis and develop scripts for deeper checks.
• Execute dynamic analysis and fuzz testing.
• Analyze transaction data to detect exploits.
• Provide detailed vulnerability reports and remediation guidance.
• Advise development teams on secure coding practices.
• Stay updated on new attack vectors and best practices.
• Contribute to internal auditing tools and methodologies.

Skills

Smart contract audit

Blockchain security

Solidity

JavaScript

Python

Hardhat

Truffle

Slither

Mythril

Tools

Solidity tooling

Static analysis

Dynamic analysis

Job description

About the Role

Our client, a leading security firm specializing in the Rustenburg blockchain ecosystem, is seeking a highly skilled Senior Smart Contract Auditor. This critical role focuses on identifying vulnerabilities and ensuring the security of smart contracts and decentralized applications before they are deployed to mainnet. You will conduct in-depth code reviews, perform static and dynamic analysis, and develop custom testing frameworks to uncover potential risks. The ideal candidate has a meticulous eye for detail, a deep understanding of blockchain security principles, and a proven track record in auditing complex smart contract code. This position offers significant autonomy and the chance to safeguard critical assets in the North West province's burgeoning crypto space.

Key Responsibilities

• Conduct comprehensive security audits of smart contracts written in Solidity, Vyper, or other relevant languages.
• Identify vulnerabilities such as reentrancy, integer overflows/underflows, front-running risks, and logic errors.
• Perform static code analysis using various tools and develop custom scripts for deeper inspection.
• Execute dynamic analysis and fuzz testing to uncover runtime vulnerabilities.
• Analyze blockchain transaction data to detect suspicious patterns or exploits.
• Provide detailed reports outlining identified vulnerabilities, their potential impact, and remediation recommendations.
• Collaborate with development teams to guide them on secure coding practices and contract improvements.
• Stay updated on the latest attack vectors, exploits, and security best practices in the smart contract domain.
• Contribute to the development of internal auditing tools and methodologies.

Requirements

• Minimum 5 years of experience in cybersecurity, with a strong focus on smart contract auditing and blockchain security.
• Deep understanding of Ethereum Virtual Machine (EVM) architecture and smart contract security.
• Proficiency in Solidity, JavaScript, and Python for auditing and scripting.
• Experience with smart contract development frameworks (e.g., Hardhat, Truffle) and security analysis tools (e.g., Slither, Mythril).
• Knowledge of common smart contract vulnerabilities and exploit techniques.
• Ability to read and understand complex codebases and explain technical findings clearly.
• Excellent analytical and problem-solving skills.
• Strong report writing and communication abilities.
• Relevant certifications (e.g., Certified Smart Contract Auditor) are a plus.

Benefits

This is a fully remote, contractor position offering maximum flexibility. Our client provides competitive compensation based on experience and project scope, paid on a regular schedule. You'll have the opportunity to work on high-profile projects for leading blockchain protocols and DeFi platforms. Gain exposure to a wide range of innovative technologies and contribute to the security of the decentralized ecosystem. Enjoy the freedom to work from anywhere, managing your own schedule while delivering crucial security assessments. This role is perfect for an independent expert looking to maximize their earning potential and impact within the Rustenburg and broader North West crypto landscape.