Startup Jobs
Post a Job
Fal

Sr/Staff Software Engineer - Payments

San Francisco, California, U.S.

TLDR

Design and build scalable event-driven billing systems that integrate with Stripe and Orb for real-time usage tracking and flexible 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.

 Fal

Fal builds a generative media platform that empowers developers to create and scale multimodal AI applications effortlessly, providing ready-to-use APIs and intuitive interfaces. Focused on delivering robust infrastructure for the generative AI era, Fal combines expertise in distributed systems with custom compute environments to ensure high performance and reliability.

Website LinkedIn
View all jobs
Salary
$160,000 – $200,000 per year
Ace your job interview

Understand the required skills and qualifications, anticipate the questions you may be asked, and study well-prepared answers using our sample responses.

Staff Software Engineer Q&A's
Report this job
Apply for this job