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Senior Software Engineer, Metering & Billing

Join Kong as a Senior Software Engineer to design and maintain backend services for metering and billing in a fast-paced environment.

Location
Hungary
Compensation
Not disclosed
Level
senior
Type
full time

Posted by employer 21 hours ago

First seen on Joblaze 2 hours ago

Last verified on the company career page 2 hours ago

Skills & Technologies

What you'll build

  • Design, implement, and maintain microservices and APIs
  • Build AI Cost Management capabilities
  • Architect backend systems that process millions of events
  • Optimize database performance
  • Integrate with third-party services

Must have

  • Experience with Go, Node.js
  • 5+ years of professional software development experience
  • Proven experience building scalable backend services
  • Solid understanding of distributed systems, APIs, and database optimization

Nice to have

  • Familiarity with LLM APIs
  • Experience working on developer-focused products

AI in the day-to-day

The role involves building AI Cost Management capabilities for customers to track and control AI usage costs.

Requirements

Experience
5+ years

Not disclosed in this posting: compensation, work arrangement, visa sponsorship.

Joblaze summary

In the Senior Software Engineer role on the Metering & Billing team at Kong, the individual will design and maintain backend services for usage metering and billing, focusing on high-performance APIs that handle vast amounts of data. Key skills include proficiency in Go and Node.js, along with experience in cloud-native technologies and distributed systems. This position is ideal for seasoned engineers with over five years of experience in building scalable backend solutions, particularly those with a background in AI and developer-focused products.

Joblaze insights

  • Listed today — first seen on Joblaze October 27, 2026. Last confirmed on Kong's careers page October 27, 2026.
  • This exact title is also open at 1 other location at Kong: Hungary.

Quick facts

How much experience is required?
At least 5 years of relevant experience for this Senior Software Engineer, Metering & Billing role.
What's the tech stack?
Joblaze extracted these technologies from the posting: ClickHouse, Docker, Go, Kafka, Kubernetes, Node.js.
What seniority level is this role?
Kong targets senior candidates for this position.
Is this full-time or contract?
Full-time for this Senior Software Engineer, Metering & Billing role at Kong.

From the original posting

About the role:

On the Konnect Metering & Billing team at Kong, you’ll design, build, and maintain the backend services behind two products: usage metering and billing, and AI Cost Management (Tokenomics), which gives customers visibility and control over what their AI usage costs. As a Backend Engineer, you’ll work closely with Engineering and Product to build scalable services and APIs that process millions of events per second and have a direct, measurable impact on our customers.

What you’ll do:

  • Design, implement, and maintain microservices and APIs for usage metering, billing, invoicing, and analytics at scale.

  • Build AI Cost Management capabilities that help customers track, attribute, and control LLM token usage and spend, including cost attribution, budgets, and usage limits.

  • Architect backend systems that process millions of events per second in real time.

  • Work with Product and Engineering to define system requirements and ship high-quality, customer-focused solutions.

  • Optimize database performance and ensure data integrity, reliability, and security across distributed systems.

  • Integrate with third-party services (e.g., Stripe, CRMs) to support billing and reporting needs.

  • Support production services through monitoring, troubleshooting, and on-call rotation to keep them highly available.

  • Apply best practices for DevOps, CI/CD, and cloud-native development.

  • Write automated tests to validate system behavior and prevent regressions.

  • And any additional tasks required by your manager.

What you’ll bring:

  • Experience with Go, Node.js.

  • Contributions to open source projects.

  • Familiarity with cloud-native technologies (e.g., Kubernetes, Docker).

  • Exposure to big data systems (e.g., ClickHouse), streaming platforms (e.g., Kafka), and event-driven architectures.

  • 5+ years of professional software development experience.

  • Proven experience building scalable backend services.

  • Demonstrated ability to deliver and maintain production systems at scale.

  • Solid understanding of distributed systems, APIs, and database optimization.

  • Excellent verbal and written communication skills.

Bonus points:

  • Familiarity with LLM APIs, token-based pricing, or AI gateway and observability tooling.

  • Experience working on developer-focused products.

  • Experience working on developer-focused products.

Standard company text repeated across Kong's postings is omitted here.

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