Lead Smart Contract Auditor - Web3 Security

Placements24; Cape Town; Hybrid; ZAR 1,000,000 - 1,800,000; Full time

Benefits offered by this job

Fully remote

Health, vision, and dental benefits

Professional development budget

Global leader in Web3 security

Competitive salary and bonus

Cutting-edge tools

Job summary

Placements24 is seeking a Lead Smart Contract Auditor for a fully remote role focused on Web3 and blockchain security. You will lead audits, mentor analysts, and shape security practices across client projects.

The role requires 7+ years in software security with 4+ years in smart contract auditing, deep Solidity and EVM expertise, and the ability to communicate complex risks clearly to technical and non-technical stakeholders. Remote work offered globally.

Qualifications

• 7+ years in software security; 4+ years in smart contract audits.
• Proficient in Solidity and EVM internals.
• Experience with security testing and audits for blockchain systems.
• Strong analytical and communication skills.
• Remote work ability and self-management.

Responsibilities

• Audit smart contracts, dApps, and protocols.
• Identify vulnerabilities (reentrancy, overflows, front-running).
• Develop testing methodologies and tools for security analysis.
• Prepare detailed risk reports with remediation guidance.
• Mentor junior analysts and auditors.
• Present security findings to clients and stakeholders.

Skills

Software security

Smart contract auditing

Solidity

EVM internals

Static analysis

Dynamic analysis

Vulnerabilities

Communication skills

Education

Bachelor's degree in CS/Cybersecurity

Master's degree preferred

Tools

Static analysis tools

Dynamic analysis tools

Job description

About the Role Our client, a renowned security firm specializing in Web3 and blockchain technologies, is seeking a highly motivated and experienced Lead Smart Contract Auditor to join their esteemed team. This is a completely remote position, allowing you to leverage your expertise from any location globally. You will play a critical role in ensuring the security and integrity of smart contracts and decentralized applications for a diverse range of clients in the rapidly evolving crypto landscape. This role demands meticulous attention to detail, a deep understanding of potential vulnerabilities, and the ability to communicate complex security findings clearly and concisely. As a remote-first organization, our client fosters an environment where collaboration and innovation thrive, regardless of physical location. We are committed to providing our team with the tools and autonomy needed to perform at the highest level while maintaining a healthy work-life balance. Join us in safeguarding the future of decentralized technologies.

Key Responsibilities

• Conduct comprehensive security audits of smart contracts, dApps, and blockchain protocols.
• Identify and analyze potential vulnerabilities, including reentrancy, integer overflows, front-running, and logic errors.
• Develop and execute sophisticated testing methodologies and tools for security analysis.
• Provide detailed reports outlining identified risks, their impact, and recommended remediation strategies.
• Collaborate closely with development teams to explain findings and guide them through the patching process.
• Stay up-to-date with the latest attack vectors, exploits, and security best practices in the blockchain ecosystem.
• Contribute to the development of internal auditing tools and frameworks.
• Mentor junior security analysts and auditors.
• Present security findings to clients and stakeholders.
• Participate in threat modeling and security architecture reviews.

Requirements

• Bachelor's degree in Computer Science, Cybersecurity, or a related field; Master's degree preferred.
• Minimum of 7 years of experience in software security, with a strong focus on smart contract auditing for at least 4 years.
• Expertise in multiple programming languages, especially Solidity, and a deep understanding of EVM (Ethereum Virtual Machine) internals.
• Proven experience with static and dynamic analysis tools for smart contracts.
• Strong knowledge of common smart contract vulnerabilities and exploitation techniques.
• Familiarity with various blockchain protocols and their security considerations.
• Excellent analytical, problem-solving, and critical thinking skills.
• Outstanding written and verbal communication skills, with the ability to articulate technical issues clearly.
• Ability to work independently and manage multiple projects simultaneously in a remote setting.
• Relevant certifications (e.g., Certified Blockchain Security Professional) are a plus.

Benefits

• Highly competitive salary and bonus structure.
• Fully remote work arrangement with flexible hours.
• Generous health, vision, and dental benefits.
• Professional development budget for conferences and training.
• Opportunity to work with a globally recognized leader in Web3 security.
• Cutting-edge tools and resources to facilitate your work.
• A collaborative and intellectually stimulating remote environment.
• Contribute to the security and trust of the decentralized web.