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Blockchain Security Auditor

Job in East London, 5201, South Africa
Listing for: Placements24
Full Time position
Listed on 2026-10-19
Job specializations:
  • IT/Tech
    Cybersecurity, Blockchain / Web3, Information Security & Data Protection, Security Management & Operations
Job Description & How to Apply Below
About the Role

Our client, a reputable cybersecurity firm specializing in blockchain technologies, requires a dedicated Blockchain Security Auditor to join their team on a contractual basis. This role is critical for ensuring the integrity and security of smart contracts and decentralized applications for a diverse range of clients. You will perform in-depth reviews of blockchain code, identify potential vulnerabilities, and provide actionable recommendations for remediation.

The ideal candidate possesses a meticulous approach to security, a strong understanding of blockchain protocols, and proven experience in auditing smart contracts. This position requires a keen eye for detail and a commitment to best-in-class security practices. The role is based in East London .

Key Responsibilities
  • Conduct comprehensive security audits of smart contracts and decentralized applications (dApps).
  • Analyze code for vulnerabilities, logic errors, and potential exploits (e.g., reentrancy, integer overflows).
  • Perform security reviews of blockchain protocols and network configurations.
  • Identify and document security risks, providing clear and concise remediation strategies.
  • Collaborate with development teams to explain audit findings and guide them on security improvements.
  • Stay updated on the latest smart contract vulnerabilities, attack vectors, and security best practices.
  • Develop and refine audit methodologies and tools.
  • Write detailed audit reports for clients, outlining findings and recommendations.
  • Contribute to the firm's knowledge base on blockchain security.
Requirements
  • Bachelor's degree in Computer Science, Cybersecurity, or a related field.
  • Minimum of 3 years of experience in cybersecurity, with a significant focus on smart contract auditing or blockchain security analysis.
  • Proficiency in auditing smart contracts written in Solidity or other relevant languages.
  • Strong understanding of blockchain technology, cryptography, and common vulnerabilities.
  • Experience with security analysis tools and static/dynamic analysis techniques.

    Familiarity with various blockchain platforms and standards.
  • Excellent analytical skills and attention to detail.
  • Strong written and verbal communication skills, with the ability to articulate complex technical issues clearly.
  • Ability to work independently and meet project deadlines.
Benefits
  • This contractual role offers a competitive daily rate commensurate with experience.
  • You will gain valuable exposure to a wide array of blockchain projects and enhance your expertise in smart contract security.
  • Work with a leading cybersecurity firm in the blockchain space.
  • The role is based at our client's office in East London , providing a professional and supportive environment.
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