Join us in building the future of finance. Our mission is to democratize finance for all. An estimated $124 trillion of assets will be inherited by younger generations in the next two decades. The largest transfer of wealth in human history. If you're ready to be at the epicenter of this historic cultural and financial shift, keep reading. We are building an elite team, applying frontier technologies to the world's biggest financial problems. We're looking for bold thinkers. Sharp problem-solvers. Builders who are wired to make an impact. Robinhood isn't a place for complacency, it's where ambitious people do the best work of their careers. We're a high-performing, fast-moving team with ethics at the center of everything we do. Expectations are high, and so are the rewards. The Application Security team mission is to ensure that Robinhood's applications and production environments are built and operated with the highest standards of security, enabling a safer, scalable, and resilient platform for all users. By proactively identifying vulnerabilities, managing risks, and empowering the engineering community with effective security platforms, we drive robust application and production security practices across the organization. As a Senior Blockchain Security Engineer, you'll design and safeguard the cryptographic foundations of our fintech systems. You'll own key management, secure payment flows, and protocol reviews while driving adoption of cutting-edge cryptography. This role combines hands-on technical depth with cross-team influence to protect customer trust and keep us ahead of emerging threats. This role is based in our Menlo Park, CA office, with in-person attendance expected at least 3 days per week. At Robinhood, we believe in the power of in-person work to accelerate progress, spark innovation, and strengthen community. Our office experience is intentional, energizing, and designed to fully support high-performing teams.