Phantom

backend developer for Phantom Cash

In short

Senior backend developer role at Phantom, a crypto wallet company connecting users to Solana, Ethereum, Polygon, and Bitcoin markets. The job involves designing and evolving backend services and APIs for Phantom Cash, a multi-chain financial product. Requires strong Node.js/NestJS experience, event-driven design, REST API architecture, and distributed systems knowledge. Fully remote, full-time position.

About Phantom
Phantom connects users to open global markets and provides access to financial products, including perpetuals, prediction markets, tokenized assets, stablecoins, and memecoins. Its self-custody wallet enables users to access open networks and manage their finances. Phantom supports Solana, Ethereum, Polygon, and Bitcoin, with a focus on a unified, multi-chain crypto experience.
Responsibilities
•Design, maintain, and evolve backend services and APIs connecting Phantom Cash to blockchains
•Balance reliability, quality, and speed across backend systems
•Communicate across pods and document work rigorously
•Raise the engineering bar through execution and mentorship
•Make Phantom Cash dependable, seamless, and ready to scale
Requirements
•Bachelor's degree in Computer Science or a related technical field, or equivalent practical experience
•Take a pragmatic, results-focused approach centered on user impact
•Anticipate problems and drive features to completion without waiting for perfect specifications
•Communicate clearly, explain complexity simply, and solve problems pragmatically
•Experience with Node.js / NestJS at scale and event-driven design, including queues, retries, and idempotency
•Knowledge of REST API architecture, including versioning, pagination, error models, authentication, and rate limiting
•Understand client-server architecture, state management trade-offs, and latency budgets
•Understand distributed systems fundamentals, including concurrency, ordering, retries, and data consistency
Nice to have
Kubernetes, AWS operations, CI/CD, observability, on-call ownership, a strong interest in crypto, hands-on crypto or fintech experience, smart-contract and protocol knowledge, blockchain integration experience (Solana preferred, EVM acceptable), and experience shipping high-quality products in mature, high-bar engineering organizations
Benefits
•Competitive salary and equity
•Medical, dental, and vision insurance fully covered for employees
•Stipend for a remote-work setup
•Flexible hours
•Unlimited vacation
•401(K) retirement plan
•Monthly wellness benefit and weekly meal benefit
•Global off-sites

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