Senior Software Engineer, Backend
Core
Design and build scalable backend services and APIs for intelligent payment routing, connector management, and platform configuration within a fintech operating system.
Role type
Senior Backend Software Engineer (Fintech)
Builds
High-scale payment infrastructure, secure APIs, and embeddable components for merchant dashboards and platform partners.
Domain
Fintech / Payments / SaaS
Required skills
C#, .NET ecosystem, RESTful and event-driven API design, relational databases, distributed systems, cloud application architecture, high-volume transaction processing
Preferred skills
Payments domain expertise, technical leadership, mentoring, system optimization
Technologies
C#, .NET, REST APIs, Event-driven architectures, Cloud platforms, Relational databases
Responsibilities
Design and maintain scalable backend services; Build core infrastructure for payment routing and connector management; Design secure, extensible APIs; Contribute to platform architecture and engineering standards; Mentor junior engineers; Optimize system performance, security, and reliability.
Seniority
Senior, hands-on IC with leadership responsibilities