Software Engineer, Frontend/Full Stack

Responsibilities

• Own and evolve the signing path for every transaction in Phantom
• Build and harden authentication, unlocking, biometrics, and account access flows
• Ship passkeys (WebAuthn) and MFA improvements with a focus on security and usability

Requirements

• 7+ years of professional engineering experience
• Strong TypeScript skills across browser, Node.js, and mobile runtimes
• Proven ability to build high-signal, low-flake test suites for critical systems

Preferred Qualifications

• Experience with OAuth2/OIDC, WebAuthn internals, or cryptography
• Web3, wallet, or signing-flow experience
• Rust experience or strong interest in learning it

Benefits

• Competitive salary and equity
• 100% covered medical, dental, and vision insurance
• Unlimited vacation and flexible hours

About the Company

Phantom is a modern money app used by tens of millions of people worldwide, providing a simple and intuitive experience for managing, spending, and growing crypto-powered finance.