Software Engineer, Money Platform
AI model gateway and marketplace offering a unified API to access, route, and manage models from multiple providers.
Funding history
Projects
About OpenRouter
OpenRouter provides developers and businesses with a single, OpenAI-compatible API for hundreds of AI models. It supports provider failover, routing for price, latency and reliability, plus enterprise controls and observability.
Skills
Candidate Availability
Required and preferred rules are kept separate and reflect the wording in the original posting.
About the Role
You will build and own the money platform supporting pricing, contracts, billing, payments, credits, provider settlements, and financial reporting. You will create a reliable financial source of truth, meter usage and revenue, maintain a double-entry ledger, automate reconciliation, and implement auditable financial controls.
Requirements
- 5+ years building production billing, payments, ledger, or revenue infrastructure at a fintech or usage-based SaaS company.
- Fluency in idempotency, double-entry accounting, exactly-once event processing, reconciliation, and safe financial-data migrations.
- Experience with Stripe or similar payment processors and billing or invoicing platforms.
- Experience with contract, subscription, and usage-based billing models.
- Strong TypeScript and SQL skills.
- Experience with Postgres and analytical stores such as ClickHouse at high event volume.
- Working knowledge of AR/AP, revenue recognition, deferred revenue, and month-end close.
- Ability to collaborate across Provider, Trust & Safety, Sales, Customer Success, and Finance teams.
- Experience using coding agents and automating finance operations.
Responsibilities
- Build flexible pricing, contract terms, platform fees, and per-seat pricing capabilities.
- Automate quote-to-cash workflows, contract provisioning, credit transfers, and credit grants.
- Define the financial source of truth for fees, plans, entitlements, and reporting.
- Meter, price, and record usage exactly once and reconcile service usage with charges.
- Own invoicing, prepaid credits, top-ups, refunds, tax, VAT, purchase orders, and collections.
- Build a double-entry ledger and automate reconciliation across Postgres, Stripe, billing, and usage data.
- Manage provider settlements, payables, and close-ready financial data.
- Partner with Provider and Trust & Safety teams on usage attribution, pricing, fraud, and abuse prevention.
- Ensure idempotency, anomaly detection, auditability, and least-privilege access for financial systems.
Benefits
- Equity
