# Sr/Staff Software Engineer - Payments
**Company:** [Fal](https://hotfix.jobs/companies/fal)
**Location:** San Francisco, CA
**Salary:** $160K-$200K
**Skills:** Python, Kubernetes, Stripe, Orb, Postgres, BigQuery, Next.js, Kafka, Pub/Sub, AWS, GCP
**Posted:** 2026-02-27
> Designs and builds scalable event-driven billing systems integrating Stripe and Orb for real-time usage tracking and payments. Requires strong Python, Kubernetes, Postgres, BigQuery, and Next.js experience with cross-functional collaboration.
## Job Description
## 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**
**Apply:** https://hotfix.jobs/jobs/sr-staff-software-engineer-payments-at-fal-21177046-b697-40f2-b4fa-6acb3aa9dece
**Canonical:** https://hotfix.jobs/jobs/sr-staff-software-engineer-payments-at-fal-21177046-b697-40f2-b4fa-6acb3aa9dece