CareerPlan

Senior Software Engineer, Metering & Billing

HungaryFull-time2026-10-26 → 2026-11-08

Core

Design, build, and maintain backend services for usage metering, billing, invoicing, and AI Cost Management (Tokenomics) that process millions of events per second.

Role type

Senior Backend Engineer (Metering & Billing)

Builds

Scalable microservices and APIs for usage metering, billing, and AI cost attribution

Domain

SaaS / AI Infrastructure / Fintech

Deliverable

production ML models

Required skills

Go, Node.js, Kubernetes, Docker, ClickHouse, Kafka, distributed systems, database optimization, third-party integrations, CI/CD, automated testing

Preferred skills

LLM APIs, token-based pricing, AI gateway tooling, developer-focused products

Technologies

Stripe, CRMs

Responsibilities

Design and implement microservices and APIs for metering and billing; Architect backend systems processing millions of events per second; Optimize database performance and ensure data integrity; Integrate with third-party services; Support production services via monitoring and on-call rotation; Write automated tests

Seniority

Senior, hands-on IC