Software Engineer – Money Platform

This is a fully remote position, open to applicants in United States.

📋 Description

• Develop and take ownership of OpenRouter’s value capture system for dollars and tokens.

• Set up adaptable pricing and contract conditions, including BYOK pricing, overages, platform fees, and per-seat pricing.

• Streamline the quote-to-cash process from signed contracts to customer provisioning and billing.

• Create credit transfers during onboarding and enable self-service credit grants for Customer Success.

• Define the financial source of truth regarding fees, plans, and entitlements.

• Establish a comprehensive data architecture for both internal and customer reporting.

• Meter, price, and accurately record every completed request just once.

• Reconcile usage and spending against customer charges effectively.

• Manage invoicing, prepaid credits, auto top-ups, refunds, tax/VAT, purchase orders, and tracking commitments.

• Integrate Stripe and oversee recovery from failed payments and collections of overdue invoices.

• Develop a double-entry ledger and automate reconciliation across Postgres, Stripe, billing, and usage data.

• Handle provider settlements and payables while supplying Finance with close-ready figures.

• Collaborate with Providers on usage tracking, cost attribution, and pricing/discounts.

• Partner with the Trust & Safety team on preventing payment fraud and abuse.

• Implement idempotency, anomaly detection, auditability, and least-privilege access controls.

⛳️ Requirements

• Over 5 years of experience in building production financial systems: billing, payments, ledgers, or revenue infrastructure in a fintech or usage-based SaaS environment.

• Profound knowledge of idempotency, double-entry accounting, exactly-once event processing, reconciliation, and secure migrations of financial data.

• Practical experience with Stripe or similar processors, along with a billing/invoicing platform that includes contract, subscription, and usage-based models.

• Strong proficiency in TypeScript and SQL.

• Familiarity with Postgres and analytical stores like ClickHouse, especially at high event volumes.

• Working understanding of AR/AP, revenue recognition, deferred revenue, and month-end closing processes.

• Ability to collaborate across teams including Provider, Trust & Safety, Sales, CS, and Finance.

• High degree of agency and a forward-thinking approach to AI; regularly utilize coding agents and automate manual finance operations.

• Nice to have: experience with usage-based, hybrid, or seat-based billing at scale.

• Nice to have: knowledge of streaming data pipelines such as Dataflow, Spanner, or Kafka.

• Nice to have: familiarity with payments fraud and risk management systems like Stripe Radar.

• Nice to have: experience with multi-currency, sales tax/VAT, or global payment methods.

• Nice to have: readiness for financial systems audits.

• Nice to have: prior usage of OpenRouter or involvement in AI tooling projects.

🏝️ Benefits

• Equity