Senior Security Researcher, Hexens, Remote (CIS / Europe / UAE)

Hexens provides cybersecurity services with a strong focus on blockchain systems and smart contract security. The team works on identifying vulnerabilities and architectural risks in codebases that often secure high-value digital assets.

This role is focused on reviewing, auditing, and strengthening smart contracts while helping teams improve long-term security practices.

As a Senior Security Researcher, you will assess Solidity-based systems, analyze EVM-level risks, and produce actionable security findings for engineering teams. You’ll collaborate directly with developers and stakeholders to mitigate vulnerabilities and improve code quality across blockchain projects.

This position aligns with web3 security roles where deep understanding of smart contract behavior, testing methodologies, and audit processes is critical.

This role supports teams hiring across web3 security roles where accuracy, clarity, and mitigation quality are essential.

🔹 Responsibilities

Review and audit smart contracts according to established security industry standards.
Analyze Solidity and EVM-based code to identify vulnerabilities, insecure flows, and architectural weaknesses.
Assess security risks in smart contracts and propose mitigation strategies for future resilience.
Deliver clear, structured reports with actionable recommendations for developers.
Work directly with developers and stakeholders during vulnerability identification and resolution.
Mentor and educate internal engineers on smart contract security best practices.
Perform code reviews, testing analysis, and related security research tasks.

These expectations reflect what recruiters look for in crypto jobs when evaluating senior security specialists.

🔹 Requirements

Minimum 3 years of experience in cybersecurity, including at least 1 year in smart contract audits.
Strong expertise in Solidity, EVM internals, and blockchain-specific security considerations.
Experience reviewing and assessing smart contract security risks.
Hands-on experience with JavaScript and TypeScript.
Familiarity with unit and integration testing methodologies.
Experience using Hardhat, Geth, or similar development frameworks and local environments.
Exposure to fuzzing techniques and formal verification methods.
Experience building or contributing to DeFi protocols and smart contracts is a strong advantage.
Proactive problem-solving mindset and strong attention to detail.

🔹 Compensation & Benefits

Highly competitive salary.
Opportunity to work alongside experienced security specialists.
Exposure to prominent blockchain and Web3 companies.
Workations.

🔖 Curated by ArtofBlockchain.club
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