Senior Software Engineer, Backend

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

What You'll Be Doing

• Design, maintain, and evolve the backend services and APIs that connect Phantom Cash to blockchains
• Balance reliability, quality, and speed in client-server architecture and blockchain protocols
• Communicate clearly across pods, document rigorously, and elevate the engineering bar through execution and mentorship

Perks and 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