Senior Billing Engineer

Responsibilities

• Design, develop, and operate transactional microservices for metering, subscriptions, invoicing, payments, and financial workflows.
• Drive projects from requirements and technical design through implementation, testing, deployment, and ongoing operation.
• Build fault-tolerant systems that handle retries, failures, concurrency, and high transaction volumes while preserving financial correctness.
• Monitor production services, investigate billing issues, improve observability, and resolve recurring incidents.
• Participate in architecture reviews, make pragmatic technical trade-offs, and improve engineering standards across the billing platform.
• Collaborate with Product, Finance, Accounting, Support, and engineering teams to translate complex business requirements into maintainable solutions.

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 PostgreSQL, Redis, Kafka, Kubernetes, Docker, or Temporal.
• Familiarity with reconciliation, idempotency, auditability, and financial data integrity.
• Experience leading technically complex projects across multiple teams.