Senior Backend Software Engineer

Job not on LinkedIn

🕒 December 25, 2025

🏢🏡 New York City – Hybrid

💵 $125k - $250k / year

⏰ Full Time

🟠 Senior

🔙 Backend Engineer

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Fin

WebsiteLinkedInAll Job Openings

11 - 50 employees

Founded 2019

Fin (formerly Finclusion) is simply smarter finance for everybody.

📋 Description

• 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 • 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

🏖️ Benefits

• Offers Equity