Senior Software Engineer - Backend
Core
Senior Backend Engineer owning end-to-end architecture and delivery of critical services for instant digital-goods fulfilment, live payments, and chargeback management.
Role type
Senior IC Backend Software Engineer
Builds
Production-ready services and features for digital-goods fulfilment and payment systems
Domain
Fintech / Digital Payments / E-commerce
Deliverable
production ML models | product features
Required skills
TypeScript, Go, C#, Postgres, AWS, TDD, system design, security (OWASP), fraud detection, AI-assisted code review, mentorship
Preferred skills
Experience with bounded contexts, operational metrics tuning, cost-value trade-off analysis
Technologies
TypeScript, Go, C#, Postgres, AWS
Responsibilities
Architect end-to-end services with iterative patterns and minimal cross-service dependencies; Ship production-ready code and set standards for AI-assisted development; Apply TDD and refactor towards testability; Diagnose issues and tune monitoring for stability; Identify vulnerabilities and design features with abuse prevention in mind; Mentor teammates and maintain runbooks and ADRs
Seniority
Senior, hands-on IC