Summary
Guangwen Zhou is a Senior Staff Software Engineer in the San Francisco Bay Area with 12 years of experience delivering production-grade, revenue-critical systems. He specializes in functional programming and domain-driven design, applying them to build scalable billing and metering services at Crunchbase. He led the end-to-end rewrite of the Billing Service from a legacy Rails system, delivering a robust design that minimizes revenue risk, and built a flexible Metering Service for API throttling with complex metric combinations. He redesigned runtime entitlements to reflect real-time changes without performance loss, and improved the session API (over 20 million daily users) from 20ms to under 8ms at the 95th percentile. He is a thoughtful, fast learner who translates complex requirements into robust software, and is based in San Francisco.
13 years of coding experience
Chinese, English