Senior/Staff Software Engineer, Core Product Systems
Fal.aiGenerative Media company
San Francisco, United StatesSenior
Andreessen Horowitz
Meritech Capital Partners
Salesforce Ventures
Kindred Ventures
Notable Capital
Shopify Ventures
Software Engineering
About the role
TL;DR
Build and evolve high-impact platform systems for fal's core product.
- •This is a founding role on the small team that owns fal's core product systems.
- •You'll join early, own these systems end-to-end, and design the APIs and product surfaces other teams and customers depend on.
- •Key Responsibilities Own billing and pricing first
- •metering, usage roll-ups, pricing logic, and the customer/admin surfaces that make cost understandable and trustworthy.
- •Design APIs, data models, and product contracts other teams safely build on.
- •Grow into the broader portfolio
- •accounts, access/identity, API keys, and model discovery
- •and the surfaces that expose usage, cost, and access.
- •Engineer for correctness and resilience: source of truth, idempotency, auditability, permissions, observability, graceful failure.
- •Own operational health, including on-call for the systems you build.
- •Partner across product, infra, finance, revenue, security, and customer-facing teams
- •turning messy, manual workflows into durable systems.
- •Requirements 5+ years building reliable, production backend systems (Python and/or TypeScript).
- •Strong PostgreSQL
- •schema design, queries, migrations, performance.
- •API & data-model design for complex product or business domains.
- •Can ship product and internal surfaces in React / Next.js / TypeScript.
- •Strong systems judgment (source of truth, idempotency, auditability, permissions, observability) and product judgment (workflows, edge cases, customer trust).
- •Thrives in ambiguous, cross-functional work where product, business logic, and infra overlap; ships a pragmatic v1 that can evolve.
- •Priorities move fast
- •you're comfortable with that.
Required skills
PythonPostgreSQLReactNext.jsTypeScript
Domain expertise
ai
Benefits & perks
relocation assistance + visa sponsorship, health, dental, and vision
Tech stack
PythonTypeScriptReactNext.jsPostgreSQLRust