Senior Software Engineer, Backend (Money Movement)

Responsibilities

• Staff Backend Engineer who blends systems thinking with product pragmatism and a real passion for crypto.
• Design, maintain, and evolve the backend services and APIs that connect Phantom Cash to blockchains.
• Communicate clearly across pods, document rigorously, and elevate the engineering bar through execution and mentorship.
• Ensure Phantom Cash feels dependable, seamless, and ready to scale.

Requirements

• Bachelors degree in Computer Science or related technical field or equivalent practical experience.
• Pragmatic engineering mindset, focuses on results and user impact, not abstract purity.
• Proactive and outcome-oriented: anticipates problems, pushes features to completion without waiting for perfect specs.
• Strong communicator and pragmatic problem solver - explains complexity simply, favors progress over perfection.
• Node.js / NestJS at scale; event-driven design (queues, retries, idempotency).
• REST API architecture: versioning, pagination, error models, authentication, rate-limiting.
• Full-stack awareness: understands trade-offs of state management (client vs server) and latency budgets.
• Distributed-systems fundamentals: concurrency, ordering, retries, data consistency.
• Nice to have:

- Kubernetes + AWS ops; CI/CD; observability; on-call ownership. - Deep interest in crypto - keeps up with ecosystem changes, wallets, protocols, and security norms. - Previous hands-on experience in crypto or fintech (exchanges, wallets, payment rails, ledgers). - Smart-contract and protocol understanding: knows how on-chain programs interact with off-chain services. - Blockchain integration experience — Solana preferred, EVM acceptable. - Has shipped high-quality products in mature, high-bar engineering organizations.