Backend Engineer (Billing)
Core
Design and ship foundational Products & Prices domain models, public APIs, and high-precision volume/graduated pricing engines for multi-tier enterprise billing.
Role type
Senior Backend Engineer (Billing & Payments)
Builds
Billing v2.0 module, including subscription infrastructure, automated retry engines, and public APIs
Domain
Fintech / Payment Orchestration / Enterprise Billing
Deliverable
production ML models | product features
Required skills
Go, Java, Kotlin, Python, PHP, Node.js, PostgreSQL, queues, streams, high-load system design, automated testing (unit/integration/functional/e2e)
Preferred skills
Payment systems, fintech, Kafka, AWS services, CI/CD pipelines
Technologies
Go, PostgreSQL, Kafka, AWS
Responsibilities
Design and ship foundational Products & Prices domain model and public APIs; Build high-precision volume and graduated pricing engines; Decouple critical services to eliminate single points of failure; Lead the automated retry engine across all invoices
Seniority
Senior, hands-on IC