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Product Security Engineer DeFi

FalconXNew York City
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Who are we?

FalconX is a pioneering team of operators, investors, and builders committed to revolutionizing institutional access to the crypto markets. Operating at the intersection of traditional finance and 
cutting-edge technology, FalconX addresses the industry's foremost challenges: Navigating the digital asset market can be complex and fragmented, with limited products and services that support trading strategies, structures, and liquidity found in conventional financial markets. As a comprehensive solution for all digital asset strategies from start to scale, FalconX operates as the connective tissue empowering clients with seamless navigation through the ever-
evolving cryptocurrency landscape.

Location: Remote / Hybrid

Role

FalconX is seeking a Product Security Engineer to focus on DeFi product and application security. You will partner with engineering and product teams to review proposed strategies, assess smart contracts for security risks, and guide secure design decisions.

This role reports into the FalconX Security Team, and in addition to DeFi-focused work, you’ll contribute to broader application security initiatives such as data security, identity and access management (IAM), secure development lifecycle (SDLC), and code review practices.

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...

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FAQ

Is the Product Security Engineer DeFi position at FalconX remote?
Yes. This role was posted on Remote Frontend Jobs, a job board that lists exclusively fully remote positions.
When was this Product Security Engineer DeFi job posted?
This listing was posted on December 26, 2025 and is still open for applications.
How do I apply for the Product Security Engineer DeFi position at FalconX?
Use the apply button on this page — it takes you directly to the employer’s application page.