Senior Backend Engineer - Crypto Payments & APIs Remote

Phantom; United States; Remote; USD 150,000 - 230,000; Full time

Benefits offered by this job

Competitive salary

Equity

Remote-friendly

Comprehensive insurance

Stipend for remote setup

Unlimited vacation

401(k)

Wellness benefit

Global off-sites

Job summary

Phantom is a remote-first company building a leading crypto wallet and multi-chain experience. We serve millions of users with secure, self-custodial wallets and fast access to Solana, Ethereum, Polygon and Bitcoin networks.

We are around 180 people, fully remote, backed by top-tier investors. We’re seeking a Staff Backend Engineer who can scale backend services, ensure reliability, and mentor the team as we expand our global platform.

Qualifications

• Bachelor's degree in Computer Science or related technical field, or equivalent practical experience.
• Pragmatic engineering mindset focused on results and user impact.
• Proactive and outcome-oriented: anticipates problems and pushes features to completion.
• Strong communicator who explains complexity simply and prioritizes progress over perfection.
• Experience with Node.js/NestJS at scale; event-driven design, REST APIs.

Responsibilities

• Design, maintain, and evolve backend services and APIs connecting the company Cash to blockchains.
• Balance reliability, quality, and speed in system design.
• Communicate clearly across teams, document rigorously, and mentor others.
• Ensure multi-chain and on-chain/off-chain interaction is secure and scalable.
• Work with client-server architecture and blockchain protocols.

Skills

Node.js

NestJS

Event-driven design

REST API

Distributed systems

Communication

Problem solving

Tools

Kubernetes

AWS

CI/CD

Observability

Job description

Phantom is a remote-first company building a leading crypto wallet and multi-chain experience. We serve millions of users with secure, self-custodial wallets and fast access to Solana, Ethereum, Polygon and Bitcoin networks.

We are around 180 people, fully remote, backed by top-tier investors. We’re seeking a Staff Backend Engineer who can scale backend services, ensure reliability, and mentor the team as we expand our global platform.