Software Engineer - Billing
We are looking for a Software Engineer to help build the next generation of usage-based billing systems at fal. This role is ideal for someone passionate about designing scalable event-driven systems that integrate tightly with Stripe and Orb, power real-time usage tracking, and deliver accurate, flexible billing experiences for customers.
You will work cross-functionally with Product, Finance, and Infrastructure teams to ensure our billing system is robust, accurate, and capable of supporting new pricing models as our product grows.
What You'll Do
- Design and build event-driven billing systems that process real-time usage data.
- Integrate with Orb for usage metering and Stripe for payments and invoicing.
- Build Python-based microservices running on Kubernetes to handle billing workflows.
- Develop data storage and processing flows for downstream analysis in BigQuery.
- Collaborate with product engineers to build Next.js dashboards and admin tools for billing insights and reconciliation.
- Ensure billing systems are accurate, auditable, and scalable to support new product launches and pricing models.
- Partner with Finance to automate reporting, reconciliation, and revenue analytics.
What We're Looking For
- Experience with usage-based billing systems or event-driven architectures.
- Strong Python skills for backend microservices.
- Familiarity with Stripe (payments, invoicing) and Orb (usage metering) APIs.
- Experience with Postgres for transactional data and BigQuery for analytics.
- Experience with Kubernetes and containerized deployments.
- Ability to build admin interfaces or customer dashboards using Next.js.
- Comfort working with event-driven data pipelines (e.g., Kafka, Pub/Sub, or similar).
- Strong cross-functional collaboration skills with Finance, Product, and Data teams.
Nice to Have
- Experience with FinTech, SaaS, or cloud usage billing at scale.
- Familiarity with cloud providers (AWS, GCP) and their billing models.
- Knowledge of pricing experimentation or monetization platforms.
Compensation
$160,000 - $200,000 + equity + comprehensive benefits package
Location
We are currently hiring in downtown San Francisco.
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