Senior Software Engineer (Agentic Search) - Billing

Role description

Role Overview

We are looking for a Senior Software Engineer to design and build the billing platform behind a novel search engine tailored for agentic AI consumption. This role is based in our New York office, hybrid with the NYC team. Our APIs are used by millions of developers and the AI agents acting on their behalf, all paying based on what they consume.

What You Will Do

Design and operate the billing platform end to end, from usage events to invoices. Build metering and usage-aggregation pipelines that turn high-volume events into billable amounts. Design and operate prepaid credit/wallet systems with auto top-up and balance management.

Why It Might Be a Fit

6+ years building production backend systems, of which 3+ years actively building and operating billing or metering systems in production. Hands-on experience with usage-based / metered billing: rating, aggregation, and proration logic.

Requirements

• 6+ years building production backend systems
• 3+ years actively building and operating billing or metering systems in production
• Hands-on experience with usage-based / metered billing: rating, aggregation, and proration logic
• Hands-on experience with subscription / recurring billing alongside usage-based models
• Hands-on experience with prepaid credits / wallet systems and auto top-up mechanics
• Hands-on experience with enterprise / contract billing: custom pricing and negotiated terms
• End-to-end integration of a third-party billing platform (Stripe Billing, Metronome, Orb, or Zuora)
• Strong expertise in Python and TypeScript/Node (Go a plus)
• Production experience with transactional databases (Postgres or equivalent) for financial-grade data
• Built high-volume event / usage pipelines into a data warehouse (Kafka or Kinesis → Snowflake or BigQuery)
• Owned billing correctness in production: reconciliation, idempotency, invoice accuracy
• Product-Led Growth (PLG) experience: worked on billing for high-volume, self-serve users
• Hands-on with Auth0, Okta, or similar identity systems in production
• Shipped revenue systems under SOX or financial audit constraints

Benefits

• 100% company-paid medical, dental, and vision coverage for employees and families
• Up to 4% company match with immediate vesting
• 20 weeks paid for primary caregivers, 12 weeks for secondary caregivers
• Up to $85/month for mobile and internet
• Company-paid short-term, long-term and life insurance coverage