Senior Staff Security Architect (Digital Assets)
SoFi · WA - Seattle; UT - Cottonwood Heights; CA - San Francisco; NY - New York City; TX - Frisco
About this role
**Employee Applicant Privacy Notice** **Who we are:** Shape a brighter financial future with us. Together with our members, we’re changing the way people think about and interact with personal finance. We’re a next-generation financial services company and national bank using innovative, mobile-first technology to help our millions of members reach their goals. **The role:** The SoFi Security Architecture and Enablement team partners with engineering, product, and design organizations to build secure products and services delivered to our members and customers. We deploy proven Product Security practices, compliance frameworks, and design patterns—collaborating with product owners, engineers, and executives to ensure new products and features meet the highest security standards and regulations. As a **Senior Staff Security Architect (Digital Assets)**, you’ll be the principal technical authority responsible for the end-to-end security architecture of SoFi’s digital asset platforms, products, and services. You’ll work with security, compliance, and risk teams to guide strategic decisions, drive architectural blueprints, and lead initiatives that deliver resilient security solutions aligned to business targets. **What you’ll do:** - Advocate and establish security standards and best practices across digital assets and crypto product lifecycles. - Lead threat modeling, architecture design reviews, and define technical security standards for crypto platforms. - Architect end-to-end security architectures for custody, deposit, withdrawal, staking, and treasury operations. - Design and implement Multi-Party Computation (MPC) protocols, multi-signature workflows, and HSM/KMS key lifecycles. - Secure wallet integrations, partner APIs, and critical connections with institutional custody providers and settlement networks. - Automate security verification checks (SAST, DAST, SCA) and embed “security as code” controls into continuous delivery pipelines. - Assess smart contract ecosystems, cloud environments, and blockchain infrastructure to identify vulnerabilities and engineer mitigations. - Partner with Legal, Risk, and Compliance teams to evaluate digital asset regulatory requirements, perform security impact assessments, and establish digital asset policies. - Develop security test plans, build reusable blueprint solutions, and balance stringent crypto security controls with a seamless member user experience. - Partner across multiple engineering teams to raise the security bar, mentor senior engineers, and coordinate incident response for complex crypto threats. **What you’ll need:** - **Education & Minimum Experience:** Bachelor’s degree + 4+ years relevant experience **OR** Master’s degree + 3+ years relevant experience in Computer Science, Information Security, Engineering, or related technical discipline. - Proven security architecture experience with deep specialization in cryptocurrency, digital assets, and decentralized systems. - Technical expertise in applied cryptography, MPC, Threshold Cryptography, and HSM/KMS key lifecycle management. - Track record designing end-to-end Zero Trust security architectures for institutional crypto custody, staking, trading, and settlement platforms. - In-depth knowledge of blockchain protocol internals, transaction signing lifecycles, and multi-signature wallet infrastructures. - Proficiency in threat modeling, smart contract auditing, vulnerability assessments, and secure API design. - Hands-on
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