Senior Smart Contract Auditor - Security Focus

Placements24; Randburg; On-site; ZAR 900,000 - 1,500,000; Full time

Benefits offered by this job

Competitive salary & bonus

Health insurance

Professional development & conference

Randburg office

Job summary

Placements24 in Randburg, Gauteng, seeks an experienced Senior Smart Contract Auditor to bolster its security team. The role focuses on audits of decentralized applications and token offerings, with emphasis on identifying vulnerabilities and remediation.

You'll collaborate with development teams, stay updated on attack vectors, and mentor junior auditors while contributing to internal tooling. A strong background in Solidity, EVM, and formal verification is preferred.

Qualifications

• Bachelor's or Master's in CS, Cybersecurity, or related field.
• 5+ years in smart contract development and/or security auditing.
• Deep knowledge of Solidity and the Ethereum Virtual Machine (EVM).
• Experience identifying a wide range of vulnerabilities in smart contracts.
• Proficient with auditing tools and frameworks like Slither, Mythril, Foundry.
• Strong cryptography and blockchain fundamentals.

Responsibilities

• Perform comprehensive security audits of smart contracts on Ethereum, BSC, Polygon.
• Identify vulnerabilities such as reentrancy, overflows/underflows, access control, and gas exploits.
• Analyze contract code for logic flaws and security risks.
• Develop and execute test cases to validate security.
• Provide audit reports with findings and remediation guidance.
• Collaborate with development teams to remediate issues.
• Stay current with attack vectors and auditing techniques.
• Contribute to internal auditing tools and methodologies.
• Mentor junior auditors and share knowledge.

Skills

Solidity

EVM knowledge

Smart contract security

Analytical thinking

Technical writing

Independent work

Client communication

Education

Bachelor's or Master's in CS/Cybersecurity or related field

Tools

Slither

Mythril

Foundry

Job description

About the Role

Our client, a highly reputable firm within the Crypto & Blockchain sector, is searching for an experienced Senior Smart Contract Auditor to bolster their security team in Randburg, Gauteng. This role is paramount in ensuring the integrity and safety of our clients' decentralized applications and token offerings. You will be responsible for conducting in-depth security assessments of smart contracts, identifying vulnerabilities, and providing actionable recommendations for remediation. The ideal candidate possesses exceptional analytical skills, a meticulous attention to detail, and a deep understanding of smart contract exploit vectors and security best practices. Join us in Randburg and contribute to building a more secure blockchain ecosystem.

Key Responsibilities

• Perform comprehensive security audits of smart contracts on various blockchain platforms (e.g., Ethereum, BSC, Polygon).
• Identify potential vulnerabilities, including reentrancy, integer overflows/underflows, access control issues, and gas limit exploits.
• Analyze smart contract code for logic flaws, security risks, and adherence to best practices.
• Develop and execute test cases to validate contract functionality and security.
• Provide clear, concise, and actionable audit reports with detailed findings and remediation guidance.
• Collaborate with development teams to explain vulnerabilities and assist in the remediation process.
• Stay current with the latest smart contract attack vectors, security trends, and auditing techniques.
• Contribute to the development of internal auditing tools and methodologies.
• Mentor junior auditors and contribute to team knowledge sharing.

Requirements

• Bachelor's or Master's degree in Computer Science, Cybersecurity, or a related field.
• 5+ years of experience in smart contract development and/or security auditing.
• In-depth knowledge of Solidity and the Ethereum Virtual Machine (EVM).
• Proven experience identifying a wide range of smart contract vulnerabilities.
• Proficiency with smart contract auditing tools and frameworks (e.g., Slither, Mythril, Foundry).
• Strong understanding of blockchain principles, cryptography, and common DeFi protocols.
• Excellent analytical, problem-solving, and technical writing skills.
• Ability to work independently and manage multiple audit projects simultaneously.
• Strong communication skills for interacting with clients and development teams in Randburg, Gauteng.
• Experience with formal verification methods is a plus.

Benefits

• Highly competitive salary and bonus structure.
• Comprehensive health insurance and wellness programs.
• Opportunities for continuous professional development and conference attendance.
• Work with a leading team on high-profile Crypto & Blockchain projects.
• Be a key contributor to security assurance in the blockchain space.
• Vibrant office environment in Randburg.