Senior Security Engineer Product Security

Senior Security Engineer (Product Security) – SF

FalconX is a pioneering team of operators, investors, and builders committed to revolutionizing institutional access to the crypto markets. We operate at the intersection of traditional finance and cutting‑edge technology, addressing the industry's foremost challenges: navigating a complex, fragmented digital asset market 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.

We are one of the fastest‑growing fintech startups redefining prime brokerage from the ground up. FalconX delivers institutional digital‑asset traders best‑in‑class trading, credit, custody and structured products. We trade, lend and secure tens of billions of dollars monthly, are highly profitable, and growing fast. We are data‑driven and move fast, prioritizing learning and rapid execution in our 24/7 industry.

FalconX has offices in San Mateo, Bangalore, Chicago and New York.

• Engineer systems and internal security tools to improve application security across all FalconX via SSDLC improvements.
• Interface with Engineering on the security of FalconX’s software products (Cryptocurrency, High‑Frequency Trading, AI systems).
• Provide guidance/recommendations and drive the team to implement your recommendations.
• Review and provide engineering‑design/architectural guidance for application systems.
• Occasionally perform vulnerability management and pentesting.
• Educate and train Engineers on Application Security fundamentals.
• Execute and improve security reviews and consulting processes with runbooks and automation.

• Strong software engineering skills in Python, Golang or Ruby.
• Past production‑grade coding experience with comfortable interaction with SWEs across Falcon
  
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• Background in security within cryptocurrency, high‑frequency trading systems, or AI development is a bonus.
• Proven impact in two or more App Sec domains:
  App Sec Education & Training, API Security, SSDLC implementation, App‑Layer Pentesting (Burp Suite), Manual/Automated Secure Code Reviews (SAST, DAST), Application Security Architecture and Design, Security Controls implementation (Encryption, MFA/RBAC, etc.), OWASP Top Ten, BSIMM/OpenSAMM.
• Proficiency in threat modeling risks to product applications and driving preventative controls in partnership with Engineering.
• Technical Project Management and strong familiarity with secure SDLC tools and techniques.
• Ability to collaborate with internal and external stakeholders, prioritize tasks, and work independently under minimal supervision.
• Experience in vulnerability management and incident response.

• Minimum of 4 years of direct experience as a Software Engineer / Software Architect in Python, Ruby, Go, etc.
• Minimum of 4 years of direct experience in Product or Application Security as a hands‑on key‑board App Sec or Prod Sec Engineer / Consultant.
• Practical experience performing detailed application‑layer risk assessments, secure code reviews, and engineering‑design reviews.
• Exceptional written and verbal communication skills.
• Strong technical curiosity in the spaces of Cryptocurrency, AI, and High‑Frequency Trading Systems.

Base pay for this role is expected to be between $176,000 - $242,000 USD for New York City and San Francisco Bay Area. This role will also be eligible for performance‑linked bonus, equity, and a competitive benefits package. Actual compensation will be determined based on location, skill set, experience, and qualifications.

FalconX is committed to building a diverse, inclusive, equitable, and safe workspace for all people. Our roles are intended for people from all walks of life. We encourage all interested applicants to submit an application regardless of whether you meet all listed requirements, skills, or experiences. FalconX is an equal‑opportunity employer and will not discriminate based on race, color, religion, national origin, ancestry, ethnicity, sex (including gender, pregnancy, sexual orientation, gender identity), age, disability, veteran or military status, genetic information, citizenship, or any other legally recognized protected basis under federal, state, or local law.

Applicants with disabilities may be entitled to reasonable accommodation under the Americans with Disabilities Act and other applicable state or local laws. Please inform FalconX’s People team at recruiting if you need assistance with the application process.