About the company
Phantom makes it safe & easy for you to store, buy, send, receive, swap tokens and collect NFTs on the Solana blockchain.
Job Summary
Responsibilities
📍Auth Stack Hardening 📍Architect and ship production-grade improvements to Phantom’s Auth stack (e.g. secure enclaves, hardened token flows, threat modeling). 📍Passkey (WebAuthn) & MFA 📍Design, build, and scale Passkey support. 📍In Q4, deliver additional factors: authenticator-app integration and recovery-email/OTP flows. 📍KMS Migration & Seedless Accounts 📍Drive seedless KMS account provisioning for new users. 📍Lead the Juicebox→KMS migration with zero-downtime data transitions. 📍API & Integration 📍Define and maintain stable, versioned auth APIs for downstream teams (Frontend, Cash, Onboarding). 📍Partner with cross-functional stakeholders to ensure seamless, backward-compatible rollouts. 📍Operational Excellence 📍Establish SLAs, monitoring dashboards, and automated rollback/playbook scripts for all auth services. 📍Participate in on-call rotation, incident response, and write clear post-mortems. 📍Mentorship & Collaboration 📍Guide IC3+ engineers through design reviews, pair-programming, and technical best practices. 📍Evangelize secure-by-design principles across the organization.
Qualifications
đź“Ť7+ Years of Backend Experience: Demonstrated success in building large-scale, high-availability systems in Node.js, TypeScript, Rust, NestJS (or similar frameworks). đź“ŤDeep expertise in authentication protocols (OAuth2/OIDC, WebAuthn/Passkeys, OTP), Strong background in key management services (e.g. AWS KMS, Vault) and cryptography đź“ŤWeb3/Crypto Knowledge: Familiarity with on-chain data, wallet integrations, or decentralized application patterns is strongly preferred. đź“ŤStrong System Design & Architecture Skills: Ability to translate product requirements into scalable, maintainable solutions, with a keen eye for performance trade-offs and fault tolerance. đź“ŤLeadership & Communication: Experience mentoring engineers, leading technical initiatives, and collaborating effectively with cross-functional teams.
The future of finance is here — whether you’re interested in blockchain, cryptocurrency, or remote web3 jobs, there’s a perfect role waiting for you.
