Staff Software Engineer — Real-Time Billing (Equity)

fal; San Francisco (CA); On-site; USD 160,000 - 200,000; Full time

Job summary

fal in San Francisco is looking for a Software Engineer to design and build next-gen usage-based billing systems. In this role, you will create event-driven architectures, working closely with Product, Finance, and Infrastructure teams. Strong Python skills, experience with APIs (Stripe and Orb), and Kubernetes expertise are essential. Compensation includes a salary between $160,000 - $200,000, equity, and benefits, making it a highly attractive opportunity in the evolving generative media sector.

Qualifications

• 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.

Responsibilities

• 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.

Skills

Usage-based billing systems

Event-driven architectures

Python

Stripe

Orb

Postgres

BigQuery

Kubernetes

Next.js

Event-driven data pipelines

Job description

fal in San Francisco is looking for a Software Engineer to design and build next-gen usage-based billing systems. In this role, you will create event-driven architectures, working closely with Product, Finance, and Infrastructure teams. Strong Python skills, experience with APIs (Stripe and Orb), and Kubernetes expertise are essential. Compensation includes a salary between $160,000 - $200,000, equity, and benefits, making it a highly attractive opportunity in the evolving generative media sector.