Senior Billing Engineer

Cloudflare • Austin, TX

1d • Onsite

About The Position

Cloudflare's Billing Engineering team builds and operates the systems responsible for usage metering, aggregation, subscriptions, invoicing, payments, and revenue recognition. These systems power billions in revenue and support millions of customers across Cloudflare’s product portfolio. We are rebuilding key parts of our billing platform to scale with products such as AI, Zero Trust, Workers, Bot Management, and DDoS Protection. As a Senior Billing Systems Engineer, you will design reliable financial infrastructure, lead projects from requirements through production, and help ensure billing remains accurate as Cloudflare grows.

Requirements

• Five or more years of professional software engineering experience, or equivalent practical experience.
• Experience building and operating distributed systems or backend services in production.
• Proficiency in Go or another modern programming language, with an interest in working extensively with Go.
• Strong understanding of RESTful APIs, service security, and API standards such as OpenAPI, OAuth, or JWT.
• Working knowledge of SQL, data modeling, and relational databases such as PostgreSQL or MySQL.
• Experience designing secure, highly available microservices in Linux or Unix environments.
• Familiarity with event-driven architectures and asynchronous processing.
• Strong troubleshooting, communication, and project ownership skills.

Nice To Haves

• Experience with billing, payments, subscriptions, usage metering, invoicing, financial ledgers, or revenue recognition.
• Experience with technologies such as PostgreSQL, Redis, Kafka, Kubernetes, Docker, or Temporal.
• Familiarity with reconciliation, idempotency, auditability, and financial data integrity.
• Experience leading technically complex projects across multiple teams.

Responsibilities

• Build Billing Systems: Design, develop, and operate transactional microservices supporting metering, subscriptions, invoicing, payments, and financial workflows.
• Own Projects End to End: Drive initiatives from requirements and technical design through implementation, testing, deployment, and ongoing operation.
• Ensure Accuracy and Reliability: Build fault-tolerant systems that safely handle retries, failures, concurrency, and high transaction volumes while preserving financial correctness.
• Maintain Operational Excellence: Monitor production services, investigate billing issues, improve observability, and address the underlying causes of recurring incidents.
• Shape Technical Direction: Participate in architecture reviews, make pragmatic technical trade-offs, and help improve engineering standards across the billing platform.
• Collaborate Cross-Functionally: Work with Product, Finance, Accounting, Support, and other engineering teams to turn complex business requirements into maintainable solutions.

Benefits

• Cloudflare was named to Entrepreneur Magazine’s Top Company Cultures list and ranked among the World’s Most Innovative Companies by Fast Company.
• Project Galileo: Since 2014, we've equipped more than 2,400 journalism and civil society organizations in 111 countries with powerful tools to defend themselves against attacks that would otherwise censor their work, technology already used by Cloudflare’s enterprise customers--at no cost.
• Athenian Project: In 2017, we created the Athenian Project to ensure that state and local governments have the highest level of protection and reliability for free, so that their constituents have access to election information and voter registration. Since the project, we've provided services to more than 425 local government election websites in 33 states.
• 1.1.1.1: We released 1.1.1.1 to help fix the foundation of the Internet by building a faster, more secure and privacy-centric public DNS resolver. This is available publicly for everyone to use - it is the first consumer-focused service Cloudflare has ever released. Here’s the deal - we don’t store client IP addresses never, ever. We will continue to abide by our privacy commitment and ensure that no user data is sold to advertisers or used to target consumers.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed