Staff Application Security Engineer at Gemini Trust Co.

<p><strong>About the Company</strong></p> <p>Gemini is a global crypto and Web3 platform founded by Cameron and Tyler Winklevoss in 2014, offering a wide range of simple, reliable, and secure crypto products and services to individuals and institutions in over 70 countries. Our mission is to unlock the next era of financial, creative, and personal freedom by providing trusted access to the decentralized future. We envision a world where crypto reshapes the global financial system, internet, and money to create greater choice, independence, and opportunity for all — bridging traditional finance with the emerging cryptoeconomy in a way that is more open, fair, and secure. As a publicly traded company, Gemini is poised to accelerate this vision with greater scale, reach, and impact.</p> <p><span style="font-weight: 400;"><strong>The Department: Application Security</strong></span></p> <p>consequences of security failure are measured in customer trust and regulatory standing. The Application Security (AppSec) team exists to make sure security is never an afterthought. We are on a mission to secure products at the time of thought and the time of build: at the product requirements doc, the technical architectural decision, at the line of code. We believe that security input is most valuable before the work is done and after-the-fact is too late and too expensive. Gemini is AI-first, and AppSec builds the tools to make AI-first engineering secure.</p> <p><span style="font-weight: 400;"><strong>The Role: Staff Application Security Engineer</strong></span></p> <p>As a Staff Application Security Engineer on Gemini’s AppSec team, you will own the technical strategy to secure our most critical attack surfaces like on-chain, exchange, and credit card. You will operate with significant autonomy and partner directly with senior engineering leadership. You will also design and build the AI agents that secure Gemini’s agentic SDLC at scale.</p> <p><span style="font-weight: 400;"><strong>Responsibilities:</strong></span></p> <ul> <li>Own and evolve the Gemini Secure Software Development Lifecycle guardrails as an application security subject matter expert</li> <li>Lead architecture reviews, threat modeling, code reviews, and penetration testing for high-risk applications and services</li> <li>Design and build AI agents throughout the SDLC for automated threat modeling during design, AI-driven secure code generation and review, and reducing AppSec toil</li> <li>Create and deliver hands-on application security training to enable engineers at scale</li> <li>Participate in the Application Security on-call rotation and lead post-incident hardening</li> </ul> <p><strong>Minimum Qualifications: