Blockchain Security Auditor

Placements24; Vereeniging; Hybrid; ZAR 700,000 - 1,000,000; Full time

Benefits offered by this job

Competitive salary

Health insurance

Retirement plan

Paid time off

Professional development & training

Hybrid work model

Job summary

Placements24 is seeking a Blockchain Security Auditor in Vereeniging, Gauteng, to audit smart contracts and dApps, identify vulnerabilities, and provide remediation guidance. The role blends in-office collaboration in Vereeniging with remote work flexibility, within a dynamic cybersecurity and blockchain assurance team.

You will analyze contracts across Ethereum-compatible networks, develop testing methodologies, and produce client-ready audit reports.

Qualifications

• Bachelor's degree in Computer Science, Cybersecurity, or a related field.
• Minimum of 3 years of experience in cybersecurity, with a strong focus on smart contract auditing.
• Expertise in analyzing smart contract code, particularly in Solidity.
• Deep understanding of common smart contract vulnerabilities and attack vectors.
• Familiarity with blockchain platforms (e.g., Ethereum, Binance Smart Chain, Polygon).
• Experience with static and dynamic analysis tools for smart contracts.
• Proficiency in programming and scripting languages (e.g., Python, JavaScript).
• Strong analytical and problem‑solving skills.
• Excellent report writing and communication abilities.
• Ability to work effectively both independently and as part of a hybrid team.

Responsibilities

• Perform comprehensive security audits of smart contracts and decentralized applications (dApps).
• Identify and document vulnerabilities, including but not limited to reentrancy, integer overflows, and gas limit issues.
• Analyze the security posture of blockchain protocols and architectures.
• Develop and refine security testing methodologies and tools.
• Provide clear and actionable recommendations for improving code security and mitigating risks.
• Write detailed audit reports for clients, explaining findings and suggested remediations.
• Collaborate with development teams to ensure security best practices are implemented.
• Stay abreast of the latest trends, threats, and best practices in blockchain security.
• Contribute to the company's knowledge base and thought leadership in blockchain security.

Skills

Smart contract auditing

Solidity

Python

JavaScript

Analytical thinking

Report writing

Education

Bachelor's degree in Computer Science or Cybersecurity

Tools

Solidity

Static analysis tools

Dynamic analysis tools

Job description

About the Role

Our client, a prominent leader in the cybersecurity and blockchain assurance space, is looking for a skilled Blockchain Security Auditor to join their growing team in Vereeniging, Gauteng. This role is crucial for ensuring the security and integrity of smart contracts and blockchain-based applications for a diverse clientele. You will conduct in-depth analyses, identify vulnerabilities, and provide expert recommendations to mitigate risks. The position requires a sharp analytical mind, meticulous attention to detail, and a deep understanding of blockchain technology and its potential security flaws. This hybrid role offers a blend of collaborative in-office work in Vereeniging and the flexibility of remote work, allowing for optimal productivity and engagement within the vibrant tech community of Gauteng.

Key Responsibilities

• Perform comprehensive security audits of smart contracts and decentralized applications (dApps).
• Identify and document vulnerabilities, including but not limited to reentrancy, integer overflows, and gas limit issues.
• Analyze the security posture of blockchain protocols and architectures.
• Develop and refine security testing methodologies and tools.
• Provide clear and actionable recommendations for improving code security and mitigating risks.
• Write detailed audit reports for clients, explaining findings and suggested remediations.
• Collaborate with development teams to ensure security best practices are implemented.
• Stay abreast of the latest trends, threats, and best practices in blockchain security.
• Contribute to the company's knowledge base and thought leadership in blockchain security.

Requirements

• Bachelor's degree in Computer Science, Cybersecurity, or a related field.
• Minimum of 3 years of experience in cybersecurity, with a strong focus on smart contract auditing.
• Expertise in analyzing smart contract code, particularly in Solidity.
• Deep understanding of common smart contract vulnerabilities and attack vectors.
• Familiarity with blockchain platforms (e.g., Ethereum, Binance Smart Chain, Polygon).
• Experience with static and dynamic analysis tools for smart contracts.
• Proficiency in programming and scripting languages (e.g., Python, JavaScript).
• Strong analytical and problem‑solving skills.
• Excellent report writing and communication abilities.
• Ability to work effectively both independently and as part of a hybrid team.

Benefits

• Our client offers a competitive salary, commensurate with your experience and expertise, plus potential performance bonuses.
• Comprehensive health insurance, including medical and dental coverage, is provided.
• A robust retirement savings plan is available.
• Employees benefit from ample paid time off and opportunities for continuous professional development, including training and certifications.
• The hybrid work model supports work‑life balance, with collaborative opportunities at our Vereeniging office and remote flexibility.
• Join a leading team securing the blockchain future in Gauteng.