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PhantomPhantom

Senior Software Engineer, Backend (Money Movement)

Senior backend engineer designing scalable services and APIs that connect Phantom Cash to blockchain networks. The role requires Node.js/NestJS, REST API, event-driven, and distributed-systems expertise, with blockchain or fintech experience preferred.

About the job

Responsibilities

  • Design, maintain, and evolve backend services and APIs connecting Phantom Cash to blockchains.
  • Apply systems thinking and product pragmatism to balance reliability, quality, and delivery speed.
  • Communicate across pods, document rigorously, and raise the engineering bar through execution and mentorship.
  • Help make Phantom Cash dependable, seamless, and scalable.

Requirements

  • Bachelor’s degree in Computer Science or a related technical field, or equivalent practical experience.
  • Pragmatic, results-oriented engineering mindset focused on user impact.
  • Proactive and outcome-oriented approach to anticipating problems and completing features.
  • Strong communication and problem-solving skills.
  • Experience with Node.js and NestJS at scale.
  • Experience with event-driven design, including queues, retries, and idempotency.
  • Experience designing REST APIs, including versioning, pagination, error models, authentication, and rate limiting.
  • Understanding of client-server architecture, state-management trade-offs, and latency budgets.
  • Knowledge of distributed-systems fundamentals, including concurrency, ordering, retries, and data consistency.

Nice to Have

  • Kubernetes and AWS operations experience.
  • CI/CD, observability, and on-call ownership experience.
  • Deep interest in crypto, wallets, blockchain protocols, and security practices.
  • Hands-on experience in crypto or fintech, including exchanges, wallets, payment rails, or ledgers.
  • Understanding of smart contracts and blockchain protocols, including interactions between on-chain programs and off-chain services.
  • Blockchain integration experience, preferably with Solana; EVM experience is acceptable.
  • Experience shipping high-quality products in mature engineering organizations.

Compensation and Benefits

  • Competitive salary and equity.
  • Comprehensive medical, dental, and vision insurance, 100% covered.
  • Remote-work setup stipend.
  • Flexible hours.
  • Unlimited vacation.
  • 401(k) retirement plan.
  • Monthly wellness benefit.
  • Weekly meal benefit.
  • Global off-sites.

Skills

Node.js, Nestjs, Event-Driven Design, REST APIs, Kubernetes, AWS, CI/CD, Observability, Distributed Systems, Solana, Evm, Smart Contracts, Blockchain Protocols, Rate Limiting, Idempotency

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