Senior Software Engineer, Backend

🕒 October 30, 2025

🇺🇸 United States – Remote

⏰ Full Time

🟠 Senior

🔙 Backend Engineer

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Phantom

WebsiteLinkedInAll Job Openings

51 - 200 employees

Founded 2021

₿ Crypto

🔐 Security

🌐 Web 3

Crypto • Security • Web 3

Phantom is a company that provides a digital wallet and support services for managing cryptocurrencies such as SOL, ETH, POL, and Bitcoin. It offers guidance on account management, connecting to popular crypto apps, staking, and using hardware devices like Ledger Nano. Phantom prioritizes security and assists users in managing their crypto assets safely, ensuring they are aware of potential scams and providing tips for securing their digital wallets. The platform also supports mobile access on iOS and Android devices, offering solutions for various troubleshooting issues and frequently asked questions.

📋 Description

• Design, maintain, and evolve the backend services and APIs that connect Phantom Cash to blockchains. • Understand both client-server architecture and blockchain protocols, balancing reliability, quality, and speed. • Communicate clearly across pods and document rigorously. • Elevate the engineering bar through execution and mentorship. • Make Phantom Cash feel 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.

🏖️ Benefits

• Competitive salary and equity • Comprehensive insurance (medical/dental/vision) — 100% covered • Stipend for your ideal remote set-up • Flexible hours and a supportive remote environment • Unlimited vacation: Take time when you need it (and we really mean it!) • 401(k) retirement plan • Monthly wellness benefit • Weekly meal benefit • Global off-sites