FalconX · 1 day ago
Product Security Engineer – DeFi
FalconX is a pioneering team of operators, investors, and builders committed to revolutionizing institutional access to the crypto markets. They are seeking a Product Security Engineer to focus on DeFi product and application security, partnering with engineering and product teams to assess security risks and guide secure design decisions.
CryptocurrencyFinancial ExchangesFinTechTrading Platform
Responsibilities
Review DeFi strategies, protocol designs, and smart contracts for security risks and failure modes
Evaluate markets-related activities (e.g., liquidity provision, governance, cross-protocol integrations) for systemic vulnerabilities
Provide secure design input for new features and applications
Identify and mitigate threats including reentrancy, oracle manipulation, flash loan exploits, MEV, and governance exploits
Partner with the security team to advance application security initiatives:
Threat modeling and design reviews
Data security and access control design
Identity and access management (IAM)
SDLC improvements and developer enablement
Collaborate with external auditors and internal stakeholders to validate findings and track remediation
Qualification
Required
4+ years in application/product security, with strong exposure to DeFi protocols and markets
Expertise in smart contract security (Solidity, EVM internals, known attack classes)
Experience with threat modeling and secure design reviews
Familiarity with DeFi primitives (AMMs, lending, oracles, governance, bridges)
Understanding of cryptography, key management, and wallet security
Strong ability to articulate risks and propose secure alternatives
Preferred
Contributions to security research, audits, or open-source tooling in DeFi
Background in data security, IAM, or application-layer controls
Experience in financial markets or risk assessment
Benefits
Performance linked bonus
Equity
Competitive benefits package
Company
FalconX
FalconX is a digital assets prime brokerage providing trading, financing, and custody services.
H1B Sponsorship
FalconX has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (10)
2024 (16)
2023 (6)
2022 (6)
2021 (4)
Funding
Current Stage
Late StageTotal Funding
$477MKey Investors
Cantor FitzgeraldAmex VenturesAccel
2025-05-27Debt Financing
2022-06-22Series D· $150M
2021-08-10Series C· $210M
Recent News
2026-01-13
2026-01-08
2025-12-29
Company data provided by crunchbase