Led development of YubiKey hardware wallet integration across Android and iOS, implementing FIDO2 and passkey authentication with large blob storage to securely encrypt and store private keys for transaction signing

Architected and delivered enterprise-grade Bitcoin treasury management platform, building comprehensive dashboards and granular role-based permission systems to support corporate custody with temporary auditor access controls

Implemented passwordless authentication using passkeys on native iOS and Android applications, significantly enhancing security posture and user experience across the Casa wallet ecosystem

Led cross-functional team in launching buy/sell functionality for Bitcoin across mobile platforms, developing full-stack solution including backend infrastructure and native mobile clients for both iOS and Android

Used expo/react native to provide over the air updates, to testing / production environments

Helped team source contractors for design, and marketing of applications.

Built out ci/cd for easy deployments from the command line.

Contributed significantly to the "Safes by Prestige Labs" project, which successfully passed a rigorous month-long security audit, by ensuring the application met stringent security standards across mobile and web platforms.

Led mobile development with React Native, emphasizing passkey implementation, encryption, and seamless integration with Ethereum smart contracts for enhanced security and user experience.

Developed a sophisticated system for wallet recovery, employing iCloud for secure data protection, aligning with industry-leading security standards.

Ensured user data safety by implementing envelope encryption using AES-256 and RSA-OAEP 4096, establishing robust data protection practices and setting a high standard for security.

Utilized encryption and passkey knowledge to develop a second security focused app "Vaults" which was a zero knowledge, password less, end-to-end encrypted file storage app.