Senior/Staff Software Engineer, Core Product Systems

fal is the generative media ecosystem powering the next generation of AI products. We build the infrastructure, tools, and model access that teams need to move from idea to production, and do it at scale without compromise. For developers and enterprises, fal is the foundation that makes generative media not just possible, but practical: a unified platform where high-performance inference, orchestration, and observability come together to unlock new categories of AI-native products.

As generative media reshapes industries across a market projected to grow by hundreds of billions over the next decade, fal is becoming the ecosystem that ambitious teams build on.

About this role

This is a founding role on the small team that owns fal's core product systems — the connected tissue the whole business runs on: usage, billing, pricing, accounts, access, API keys, and model discovery. You'll join early, own these systems end-to-end (from data model through rollout to operational health), and design the APIs and product surfaces other teams and customers depend on. These are backend systems where correctness underpins real revenue and customer trust.

You will inherit systems that are functional, but you'll own their evolution over time to meet our growing customer needs and scale. Your first pr