Kong

Senior Software Engineer, Metering & Billing

Kong
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16 days ago
Hungary (city not specified)Senior

Responsibilities

  • Design, implement, and maintain microservices and APIs for usage metering, billing, invoicing, and analytics at scale.
  • Build AI Cost Management capabilities for tracking, attributing, budgeting, and limiting LLM token usage and spend.
  • Architect backend systems that process millions of events per second in real time.
  • Define system requirements and deliver customer-focused solutions with Product and Engineering.
  • Optimize database performance and maintain data integrity, reliability, and security across distributed systems.
  • Integrate with third-party services such as Stripe and CRM systems for billing and reporting.
  • Monitor, troubleshoot, and support production services through an on-call rotation.
  • Apply DevOps, CI/CD, and cloud-native development practices.
  • Write automated tests to validate system behavior and prevent regressions.

Requirements

  • 5+ years of professional software development experience.
  • Experience with Go and Node.js.
  • Proven experience building scalable backend services and maintaining production systems at scale.
  • Strong understanding of distributed systems, APIs, and database optimization.
  • Familiarity with Kubernetes and Docker.
  • Exposure to ClickHouse, Kafka, and event-driven architectures.
  • Contributions to open source projects.
  • Excellent verbal and written communication skills.
  • Familiarity with LLM APIs, token-based pricing, or AI gateway and observability tooling is a bonus.
  • Experience working on developer-focused products is a bonus.

Categories

Kong

About Kong

1,001-5,000 employees

Kong builds an open-source and commercial platform for API and AI connectivity, including Kong Gateway, Kong Konnect, and service mesh tools (Kuma/Kong Mesh) to secure, manage, and observe APIs and LLM traffic across clouds. It sells subscriptions and cloud services for API lifecycle management, security, and traffic governance to enterprises and platform teams. Founded in 2017 and headquartered in San Francisco, Kong is privately held.

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