Billing Engineer

Key Responsibilities

• Design, build, test, and document core billing software components.
• Integrate with third-party billing platforms (e.g., Stripe, Metronome, Orb, Zuora).
• Develop metering, pricing, and rating logic for usage-based and subscription billing models.
• Ensure accurate tracking and reporting of customer usage data.
• Monitor and maintain billing systems for high availability and data integrity.
• Build automation tools for recurring billing tasks, reconciliation, and reporting.
• Collaborate with product, sales, finance, support, and engineering teams on custom billing requirements, revenue reporting, and customer inquiries.
• Act as a technical expert in billing-related discussions and planning.
• Champion engineering excellence through code quality, architectural reviews, and design documentation.
• Provide technical leadership and mentorship to other engineers.
• Establish observability, alerting, and error handling across the billing pipeline.
• Lead incident response and root cause analysis for billing-related issues.

Requirements

• Experience in backend software engineering with a strong focus on billing, payments, or financial systems.
• Deep knowledge of SaaS billing models, including subscriptions, usage-based pricing, proration, discounts, and entitlements.
• Proven experience integrating with third-party billing platforms such as Stripe, Metronome, Orb, Zuora, or building custom billing systems.
• Experience designing and managing distributed systems, microservices, and event-driven architectures.
• Proficient with SQL and data modeling for financial and usage data.
• Solid understanding of APIs and experience building or integrating internal billing APIs.
• Strong proficiency in Go, or comfortable writing production-quality code in another language and eager to work with Go.
• Flexibility to adjust to the dynamic nature of a startup.
• Excellent written and verbal communication skills.

Nice-to-Haves

• Experience providing technical leadership and mentorship.
• Background in observability, alerting, and incident response for critical systems.