Senior Backend Developer
Core
Building and running scalable C# microservices and event-based systems for real-time money movement, card authorizations, and risk decisions in a FinTech platform.
Role type
Senior Backend Developer (IC)
Builds
Real-time financial transactions, payment integrations, and risk decision engines
Domain
FinTech / Banking / Payments
Required skills
C#, Kubernetes, SQL, distributed systems design, event-driven architecture, microservices, CI/CD, automated testing
Preferred skills
Payment platform experience, FinTech/Banking domain knowledge, AI tools usage (Claude/Codex), R&D mindset
Technologies
C#, Kubernetes, SQL, .NET, Event-driven systems
Responsibilities
Design and implement scalable backend services, lead technical decisions, ensure system reliability and consistency, review code and mentor colleagues, integrate new products and partners
Seniority
Senior, hands-on IC
