Senior Backend Software Engineer

About the Position

We are looking for a Senior Backend Software Engineer to join our team at Fin, a next-generation payments platform built for high-value, global, and instant transactions. We are a Series A-stage company backed by Sequoia, Circle, and other notable investors. Powered by stablecoins, Fin enables users and businesses to move millions of dollars in seconds - whether to other Fin users, directly into bank accounts, or across crypto rails. By combining the speed of crypto with the reliability and trust of traditional finance, Fin reimagines how money moves worldwide.

Responsibilities

• Design, build, and maintain core backend services that power global payments and account experiences.
• Own key systems end to end, from data models and APIs to deployment and ongoing operations.
• Integrate with payment processors, on and off ramps, banks, and compliance and identity providers.
• Monitor, tune, and scale backend services while maintaining high availability and strong performance.
• Define and champion backend engineering best practices, coding standards, and architectural patterns.
• Build internal tools and automation that improve developer productivity and system reliability.
• Set and guide technical direction for backend architecture with a clear view of business impact and scalability.
• Review code, share knowledge, and help raise the bar for the rest of the engineering team.
• Own our cloud infrastructure setup and deployment workflows in partnership with the rest of the team.

Requirements

• Deep experience with TypeScript and Node.js. We are mostly a TS shop with some pockets of Rust.
• Strong experience designing and building scalable distributed backend systems.
• Track record of owning critical backend infrastructure and making impactful architectural decisions.
• Deep familiarity with cloud infrastructure, containerization, and infrastructure as code.
• Experience building highly available systems with robust monitoring, logging, and alerting.
• History of creating clean, well documented APIs and integrating complex external systems.
• Ability to collaborate in a small, fast moving team while mentoring others.
• Clear communication skills and comfort working with both technical and non technical partners.

Nice to Have

• Experience at early stage startups where you owned large parts of the backend.
• Hands on experience with our stack or similar: Node.js and Typescript, AWS, Terraform, Kubernetes, Temporal (https://temporal.io).
• Background leading technical strategy for a growing product or platform.
• Experience in payments, fintech, or cryptocurrency, especially working with stablecoins or settlement systems.

We Offer

• Competitive Salary: $125K - $250K
• Equity: Offers Equity
• Location: New York, NY; Remote
• Employment Type: Full time

About the Company

Fin is a next-generation payments platform built for high-value, global, and instant transactions. We are a Series A-stage company backed by Sequoia, Circle, and other notable investors. Powered by stablecoins, Fin enables users and businesses to move millions of dollars in seconds - whether to other Fin users, directly into bank accounts, or across crypto rails. By combining the speed of crypto with the reliability and trust of traditional finance, Fin reimagines how money moves worldwide.