[Hiring] Security Engineer - Smart Contract Auditor @Caiz

Role Description

We are seeking an experienced Security Engineer – Smart Contract Auditor to ensure the robustness, transparency, and safety of our blockchain ecosystem. The role requires deep technical expertise in smart contracts, blockchain security, and cryptographic protocols.

• Conduct comprehensive audits of smart contracts, blockchain protocols, and decentralized applications (dApps).
• Identify, analyze, and remediate vulnerabilities in smart contracts, including reentrancy, overflow/underflow, logic errors, gas optimization issues, and governance risks.
• Design and implement security best practices for smart contract development and deployment.
• Collaborate with blockchain engineers to review architecture and propose secure design improvements.
• Perform penetration testing and threat modeling specific to blockchain and DeFi environments.
• Write detailed audit reports, including vulnerabilities, risk assessments, and recommendations.
• Monitor deployed contracts and blockchain infrastructure for abnormal activities and potential exploits.
• Stay updated on the latest blockchain security threats, vulnerabilities, and industry best practices.
• Educate internal teams on security awareness, safe coding practices, and emerging risks.

Qualifications

• 3–5 years of experience in blockchain security, smart contract auditing, or cybersecurity roles.
• Strong understanding of Ethereum, Solidity, and EVM-based chains (experience with other chains like BSC, Polygon, Polkadot, or Layer-2s is a plus).
• Hands-on experience auditing DeFi protocols, staking contracts, NFTs, or DAO governance contracts.
• Proven experience with blockchain security tools (e.g., MythX, Slither, Echidna, Foundry, Tenderly, Hardhat, Truffle).
• Knowledge of cryptographic principles (hashing, signatures, zero-knowledge proofs) and applied security.
• Experience publishing or contributing to audit reports, whitepapers, or security advisories is a strong plus.
• Expert in Solidity, smart contract development, and debugging.
• Strong analytical and problem-solving skills for identifying complex vulnerabilities.
• Proficiency in penetration testing, fuzzing, and formal verification methods.
• Ability to clearly document findings and communicate with both technical and non-technical stakeholders.
• Familiarity with secure coding guidelines and blockchain threat landscapes.

Requirements

• Bachelor’s or Master’s degree in Computer Science, Cybersecurity, Cryptography, or related technical field.
• Fluent in English.

Benefits

• Competitive Financial Compensation: We offer financial benefits that reflect the value of your work and dedication.
• Work Flexibility: Enjoy the flexibility to work from home, the office, or even abroad.
• Annual Holidays: Generous paid time off to help you maintain a healthy work-life balance.
• Relocation Assistance: We provide relocation support for employees moving to new locations.
• Professional Development: Opportunities for training, certifications, and career growth.
• Employee Recognition: Programs to celebrate and reward your achievements and contributions.
• Inclusive & Collaborative Culture: A supportive and diverse work environment where your voice matters.
• Diversity, Equality, and Inclusion: We are committed to fostering a workplace that values diversity and promotes equality and inclusion for all employees.