Staff Backend Engineer - Phone Billing
Core
Architect and own the end-to-end technical health of the Phone Billing platform, ensuring accuracy, reliability, and scalability for high-volume usage metering and transactions.
Role type
Staff Backend Engineer (Phone Billing & Revenue Systems)
Builds
Phone billing infrastructure, CPaaS abstractions, provider adapters, and shared messaging/voice APIs
Domain
Telecommunications / CPaaS / Financial Systems
Deliverable
production ML models | product features | infrastructure
Required skills
System architecture, high-concurrency design, usage metering, reconciliation, idempotency, observability, incident response, LLM integration, mentorship
Preferred skills
CPaaS domain knowledge, financial invariants, regulatory compliance adaptation
Technologies
NestJS, Firestore, MongoDB, PostgreSQL, Redis, Queuing Systems, Data Warehousing Systems, Service Mesh, Prometheus, Grafana
Responsibilities
Own the end-to-end technical health of Phone Billing; Drive 1–2 high-impact initiatives end-to-end; Architect for massive scale; Own Phone Billing end to end (usage metering, rating, reconciliation); Lead the evolution of Revenue Growth into a configuration-driven platform; Drive high-concurrency innovation; Drive observability and resilience; Leverage LLMs and AI tools; Partner with cross-functional teams; Develop EM I leaders and senior engineers
Seniority
Staff, hands-on IC with mentorship