Own end-to-end billing systems for consumer, B2B, and enterprise motions at a fast-growing voice AI company. Reconcile across Stripe, RevenueCat, and Sequence while enabling rapid SKU and pricing experiments with perfect reliability.
220k – 350k/yr
On-site7+ YOEBackend Engineering
About the role
What You'll Do
Own billing end to end, across consumer, B2B, and everything we bundle next.
Allow us to ship new SKUs and pricing experiments in days.
Keep billing state reconciled across RevenueCat, Stripe, Sequence and whatever comes after.
Build the enterprise side out: seats, usage, cost centers, and the flexibility to mix them.
Expand international coverage so paying us is invisible wherever someone is.
Build the testing that lets us move this fast without breaking a charge.
Requirements
Your teammates call you the “most responsible and thorough engineer” they’ve met.
You've built billing more than once, ideally for different motions.
You've run a payments migration and nobody noticed it happened.
You've argued with a finance team about a number and turned out to be right.
You know why you shouldn’t hard-delete rows.
You get excited by problems with lots of constraints and edge cases.
Nice-to-Haves
Experience with the tech stack: Python, FastAPI, Stripe, Sequence, RevenueCat, IAP, PostgreSQL, WorkOS, occasional React/TypeScript.
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