Own the company’s revenue infrastructure, including usage-based API billing, metering, quotas, spend caps, tiered plans, invoicing, affiliate commission ingestion, attribution, reconciliation, and ledger integrity. Build and operate the billing spine using TypeScript, Node.js, and PostgreSQL, ensuring idempotent processing, accurate financial reporting, and reliable cutover from free to paid API access. Make architecture decisions, verify agent-produced code, instrument failures, and protect production revenue correctness.

Own the end-to-end checkout verification fleet, including browser automation, platform-family classification, scheduling, infrastructure, observability, evidence capture, and cost controls. Build and operate production-scale crawling systems across diverse e-commerce stores, diagnose failure modes, improve coverage and accuracy, and verify AI-generated code. Manage fleet economics while navigating anti-bot systems and maintaining reliable machine-verifiable checkout evidence.