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
šAuth Stack Hardening šArchitect and ship production-grade improvements to Phantomās Auth stack (e.g. secure enclaves, hardened token flows, threat modeling). šPasskey (WebAuthn) & MFA šDesign, build, and scale Passkey support. šIn Q4, deliver additional factors: authenticator-app integration and recovery-email/OTP flows. šKMS Migration & Seedless Accounts šDrive seedless KMS account provisioning for new users. šLead the JuiceboxāKMS migration with zero-downtime data transitions. šAPI & Integration šDefine and maintain stable, versioned auth APIs for downstream teams (Frontend, Cash, Onboarding). šPartner with cross-functional stakeholders to ensure seamless, backward-compatible rollouts. šOperational Excellence šEstablish SLAs, monitoring dashboards, and automated rollback/playbook scripts for all auth services. šParticipate in on-call rotation, incident response, and write clear post-mortems. šMentorship & Collaboration šGuide IC3+ engineers through design reviews, pair-programming, and technical best practices. šEvangelize secure-by-design principles across the organization.
Qualifications
š7+ Years of Backend Experience: Demonstrated success in building large-scale, high-availability systems in Node.js, TypeScript, Rust, NestJS (or similar frameworks). šDeep expertise in authentication protocols (OAuth2/OIDC, WebAuthn/Passkeys, OTP), Strong background in key management services (e.g. AWS KMS, Vault) and cryptography šWeb3/Crypto Knowledge: Familiarity with on-chain data, wallet integrations, or decentralized application patterns is strongly preferred. šStrong System Design & Architecture Skills: Ability to translate product requirements into scalable, maintainable solutions, with a keen eye for performance trade-offs and fault tolerance. šLeadership & Communication: Experience mentoring engineers, leading technical initiatives, and collaborating effectively with cross-functional teams.
The future of finance is here ā whether youāre interested in blockchain, cryptocurrency, or remote web3 jobs, thereās a perfect role waiting for you.