Senior Software Engineer (Agentic Search) - Billing

About the role

We are seeking 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.

Responsibilities

• 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
• Support enterprise/contract billing with custom pricing, negotiated terms, and scheduled invoicing
• Build reconciliation, idempotency, and invoice-accuracy safeguards to ensure revenue data is always correct
• Lead the migration to the next generation of our billing system with no revenue loss or downtime
• Define observability and quality metrics for billing correctness, freshness, and throughput
• Ensure billing systems meet audit and compliance requirements (SOX, financial audit)

Requirements

• 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
• 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
• Shipped revenue systems under SOX or financial audit constraints

Qualifications

• 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
• Shipped revenue systems under SOX or financial audit constraints

Skills

• Python
• TypeScript/Node (Go a plus)
• Transactional databases (Postgres or equivalent)
• Data warehousing (Kafka or Kinesis → Snowflake or BigQuery)
• Billing systems (Stripe Billing, Metronome, Orb, or Zuora)
• Usage-based / metered billing: rating, aggregation, and proration logic
• Subscription / recurring billing alongside usage-based models
• Prepaid credits / wallet systems and auto top-up mechanics
• Enterprise / contract billing: custom pricing and negotiated terms
• High-volume event / usage pipelines
• Reconciliation, idempotency, and invoice-accuracy safeguards
• Revenue systems under SOX or financial audit constraints
• Product-Led Growth (PLG) experience

Benefits

• Health insurance: 100% company-paid medical, dental, and vision coverage for employees and families
• 401(k) plan: Up to 4% company match with immediate vesting
• Parental leave: 20 weeks paid for primary caregivers, 12 weeks for secondary caregivers
• Remote work reimbursement: Up to $85/month for mobile and internet
• Disability & life insurance: Company-paid short-term, long-term and life insurance coverage

Pay

• Base Compensation Range: $147,200—$224,300 USD

Schedule

• Hybrid with the NYC team