Senior Blockchain Security Engineer job opportunity at MLabs.

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Date2026-02-16T13:10:25.813Z bot
MLabs Senior Blockchain Security Engineer
Experience: 5-years
Pattern: full-time
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Saudi Arabia

Senior Blockchain Security Engineer Employment: Full-time via MLabs   Engagement: Contracted to a UAE-based enterprise blockchain / fintech client   Location: Remote (Eastern Europe / MENA / India preferred) Job Description MLabs is hiring a Senior Blockchain Security Engineer to support a large-scale blockchain and financial technology program for a UAE-based enterprise client. You will be responsible for securing smart contracts, blockchain integrations, and protocol-level components within a custom enterprise blockchain ecosystem. This role requires deep expertise in smart contract vulnerabilities, secure architecture design, and threat modeling in decentralized systems. The ideal candidate has hands-on experience auditing smart contracts and identifying vulnerabilities in production blockchain environments. Responsibilities Conduct security reviews and audits of smart contracts and blockchain components Identify, document, and mitigate vulnerabilities in decentralized systems Perform threat modeling and risk assessments Collaborate with smart contract, protocol, and backend teams to improve security posture Implement secure development standards and best practices Support incident response and vulnerability remediation Contribute to security documentation and review processes 5+ years of software engineering or security engineering experience Strong experience auditing Solidity smart contracts Deep understanding of common blockchain vulnerabilities (reentrancy, overflow, access control, front-running, etc.) Experience with security analysis tools (e.g., Slither, Mythril, Foundry, etc.) Strong understanding of blockchain architecture and transaction lifecycle Experience working in production blockchain environments Preferred Experience participating in formal smart contract audits Experience with Layer-1 or Layer-2 security Experience in fintech or regulated environments Background in application security or penetration testing Experience working in distributed remote teams

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