Fin is a next-generation payments platform built for high-value, global, and instant transactions. We are looking to hire a Senior Backend Engineer to own the core systems that make this work, design and build the services that move real money, integrate with payment partners and banks, and ensure the platform is secure, observable, and ready to scale to millions of transactions.
Requirements
- Deep experience with TypeScript and Node.js.
- 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.
- Hands on experience with our stack or similar: Node.js and Typescript, AWS, Terraform, Kubernetes, Temporal (https://temporal.io) .
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.
Other
- 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.
- Experience at early stage startups where you owned large parts of the backend.
- Background leading technical strategy for a growing product or platform.
- Experience in payments, fintech, or cryptocurrency, especially working with stablecoins or settlement systems.
