About the role

Billing Engineer developing billing integration and managing financial systems at Tailscale. Collaborating with teams to enhance the end-to-end billing experience while ensuring high availability and data integrity.

Responsibilities

Work as part of a team of engineers to design, build, test, and document core billing software components.
Integrate with third-party billing platforms (e.g., Stripe, Metronome) as needed.
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 to ensure high availability and data integrity.
Build automation tools for recurring billing tasks, reconciliation, and reporting.
Collaborate with product, sales, and finance teams to support custom billing requirements.
Work closely with finance, product, support, and engineering teams to support accurate billing, revenue reporting, and customer inquiries.
Act as a technical expert in billing-related discussions and planning.
Champion engineering excellence by driving code quality, architectural reviews, and design documentation.
Provide technical leadership and mentorship to other engineers, fostering a culture of learning and knowledge sharing.
Establish observability, alerting, and error handling across the billing pipeline to ensure high availability and responsiveness.
Lead incident response and root cause analysis for billing-related issues.

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, etc, or building custom billing systems.
Experience designing and managing distributed systems, microservices, and event-driven architectures.
Proficient with SQL and data modeling, especially 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.