Senior Software Engineer (Agentic Search) - Billing

Design and build the billing platform behind a novel search engine for agentic AI consumption. Own systems that turn product usage into accurate revenue, supporting flexible billing models: usage-based pricing, subscriptions, prepaid balances with auto top-up, and enterprise contracts. Ensure every event is measured precisely and every invoice is correct to the cent.

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, subscription/recurring billing, prepaid credits/wallet systems, enterprise/contract billing. Expertise in Python and TypeScript/Node (Go a plus). Production experience with transactional databases (Postgres) for financial-grade data. Built high-volume event/usage pipelines (Kafka/Kinesis → Snowflake/BigQ u