Senior Software Engineer, Backend (Money Movement) at Phantom

<p style="min-height:1.5em"><a target="_blank" rel="noopener noreferrer nofollow" href="https://phantom.com">Phantom</a> is the modern money app used by tens of millions around the world. Our product combines everything people need to manage, spend, and grow their money in one simple, intuitive experience. Phantom brings all the control and flexibility of crypto-powered finance, without unnecessary complexity, into mainstream consumer finance.</p><p style="min-height:1.5em">By combining industry-leading security with thoughtfully designed tools, Phantom makes powerful financial tools feel approachable and easy to use. This focus on speed, control, and user experience has fueled rapid growth, with a community of 20M+ people, reaching #1 in the Google Play Store finance category, and consistently ranking as a Top 50 app across all categories, alongside some of the most recognizable consumer technology platforms in the world.</p><p style="min-height:1.5em"></p><h2>Responsibilities</h2><p style="min-height:1.5em">Staff Backend Engineer who blends systems thinking with product pragmatism and a real passion for crypto. You’ll design, maintain, and evolve the backend services and APIs that connect Phantom Cash to blockchains. You understand both client-server architecture and blockchain protocols, and you know how to balance reliability, quality, and speed. You communicate clearly across pods, document rigorously, and elevate the engineering bar through execution and mentorship. Your work will make Phantom Cash feel dependable, seamless, and ready to scale.</p><p style="min-height:1.5em"></p><h2>Qualifications</h2><ul style="min-height:1.5em"><li><p style="min-height:1.5em">Bachelors degree in Computer Science or related technical field or equivalent practical experience</p></li><li><p style="min-height:1.5em">Pragmatic engineering mindset — focuses on results and user impact, not abstract purity.</p></li><li><p style="min-height:1.5em">Proactive and outcome-oriented: anticipates problems, pushes features to completion without waiting for perfect specs.</p></li><li><p style="min-height:1.5em">Strong communicator and pragmatic problem solver - explains complexity simply, favors progress over perfection.</p></li><li><p style="min-height:1.5em">Node.js / NestJS at scale; event-driven design (queues, retries, idempotency).</p></li><li><p style="min-height:1.5em">REST API architecture: versioning, pagination, error models, authentication, rate-limiting.</p></li><li><p style="min-height:1.5em">Full-stack awareness: understands trade-offs of state management (client vs server) and latency budgets.</p></li><li><p style="min-height:1.5em">Distributed-systems fundamentals: concurrency, ordering, retries, data consistency.</p></li></ul><p style="min-height:1.5em"></p><h2>Nice to Have</h2><ul style="min-height:1.5em"><li><p style="min-height:1.5em">Kubernetes + AWS ops; CI/CD; observability; on-call ownership.</p></li><li><p style="min-height:1.5em">Deep interest i