#senior #удаленка

Phantom
Software Engineer, Frontend / Full Stack (Identity Platform)
Remote

Phantom connects tens of millions of people to the freedom of open markets — perpetuals, prediction markets, tokenized assets, stablecoins and more — with self-custody at its core. The team is around 180 people, fully remote, backed by a16z, Sequoia Capital and Paradigm. Identity Platform is the trust root of Phantom: authentication, unlocking, onboarding/key generation, and the signing pipeline that every transaction flows through.

☑️ Чем предстоит заниматься
-Own and evolve the signing path for every transaction in Phantom
-Build and harden authentication, unlocking, biometrics, and account access flows across web and mobile
-Ship passkeys (WebAuthn) and MFA improvements with a strong security/usability balance
-Own onboarding and key lifecycle flows: key generation/derivation, seed phrase flows, seedless registration, hardware wallet pairing
-Own sensitive key export/import experiences and related safety rails
-Write and maintain high-signal, non-flaky tests (unit/integration/e2e) for critical paths; ensure safe rollouts via monitoring and staged releases

☑️ Наши пожелания к кандидатам
-7+ years of experience
-Strong TypeScript skills; comfortable shipping code across browser, Node.js, and mobile JS runtimes
-Proven ability to build high-signal, low-flake test suites for critical systems
-Familiarity with auth concepts and common mechanisms (sessions/tokens, MFA/OTP, WebAuthn/passkeys)
-Strong engineering fundamentals: system design, debugging, and production reliability
-Nice-to-have: deeper experience with OAuth2/OIDC, WebAuthn internals, cryptography, or key management systems; Web3/wallet or signing-flow experience; security- or money-adjacent experience (identity, payments, custody); Rust experience (or strong interest in learning it)

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