About the Role

Stable Sea builds infrastructure for cross-border stablecoin payments and treasury management. We're a small team and the systems we build move real money across multiple rails.

This is a senior, high-ownership role. You'll work directly with the CTO and founding team on architecture and implementation. If you're energized by hard infrastructure problems and can operate without close management, this is the right environment.

How We Work

We move fast and keep process to a minimum. We own our work end-to-end, collaborate directly with whoever we need to, and move things forward without waiting for permission or close supervision. Async by default: written communication does the work that meetings do elsewhere.

AI is core to how we build. We provide a generous token budget because we expect people to use it seriously. Everyone on the team is actively experimenting with new tools, tuning their workflows, and thinking about what's possible today that wasn't weeks or months ago.

What You'll Build

• Core money movement APIs and transaction infrastructure.
• Integrations with banks, payment rails, and stablecoin networks.
• Scalable, fault-tolerant backend services in Go.
• High-quality and well-tested components in TS/React.
• Observability, monitoring, and incident response tooling.
• Internal systems supporting operations and compliance.

Who We're Looking For

• 5+ years of backend engineering experience with strong Go and TypeScript proficiency.
• Deep background in fintech, payments, or financial infrastructure: money movement, ledgering, or transaction systems.
• Strong systems design instincts. You reason through trade-offs and communicate your thinking clearly.
• Experience building and running production systems at scale: observability, reliability, graceful degradation.
• Self-directed and comfortable with ambiguity.
• Strong written communicator.
• You use AI tools well and can demonstrate understanding about what you've built.

Nice to Have

• Stablecoin, DeFi, or blockchain protocol experience.
• Cross-border payments, remittance, or treasury management systems.
• Prior founding or early-stage engineering experience.
• Experience with compliance, KYC/AML, or regulated financial systems.

What We Offer

• Competitive base salary + meaningful equity.
• No grind culture.
• Remote, US, async-first.
• Small team where what you build ships and has impact!

Send your resume and a short note about what excites you about this role and why Stable Sea.