Billing Systems Engineer: Usage, Subscriptions & Payments

US Health Partners, LLC; San Francisco (CA); Sur place; USD 140 000 - 200 000; Plein temps

Avantages offerts par ce poste

Medical, dental, and vision insurance

Daily lunch, snacks, and beverages

Flexible time off

Competitive salary and equity

Wifi & cellphone stipend

Résumé du poste

Braintrust is seeking a Software Engineer, Billing to build systems that make pricing, usage, and payments accurate, scalable, and transparent.

You’ll own the billing stack end-to-end and work across metering, subscriptions, invoicing, credits, and payments, partnering with product, infra, and finance to roll out new pricing models. This is a deeply technical IC role focusing on billing correctness and scalable design.

Qualifications

• Expert-level understanding of TypeScript, Rust, SQL, backend systems, APIs, and distributed data-processing patterns.
• Experience building and operating production usage-based billing, payments, or subscription systems.
• Experience with metering, aggregation, idempotency, reconciliation, and event-driven architectures.
• Experience integrating with Stripe or similar payment infrastructure.
• Experience building or maintaining financial ledgers, credits, balances, or invoice systems is a plus.
• Comfortable shipping end-to-end, from backend infrastructure and data systems to internal tools and customer-facing UI.
• Previous experience founding or working at startups is a plus.
• Has an appreciation for the tension between moving quickly and preserving customer trust and billing correctness.

Responsabilités

• Own Braintrust billing architecture end-to-end, including metering, plans, subscriptions, entitlements, invoices, credits and payments.
• Design our billing architecture to solve immediate needs and simplify billing for new features as they are developed and released.
• Ensure Braintrust accurately measures and bills for product usage, including processed data, evaluation scores, model usage, and data retention.
• Partner with product, infrastructure, finance, and customer-facing teams to introduce new pricing models and billing workflows with confidence.

Connaissances

TypeScript

Rust

SQL

Backend systems

APIs

Distributed data-processing

Billing systems

Stripe integration

Data modeling

Outils

Stripe

Description du poste

Braintrust is seeking a Software Engineer, Billing to build systems that make pricing, usage, and payments accurate, scalable, and transparent.

You’ll own the billing stack end-to-end and work across metering, subscriptions, invoicing, credits, and payments, partnering with product, infra, and finance to roll out new pricing models. This is a deeply technical IC role focusing on billing correctness and scalable design.