Brad Greenlee is a seasoned engineering leader with 16+ years building large-scale data and web systems, currently serving as Director of Engineering at Medium and running several independent ventures. He brings deep hands-on expertise across data engineering, systems architecture, and full-stack development—spanning Ruby/Rails, Python/Django, Java, Scala, C/C++, and cloud platforms like AWS and GCP. At Etsy he helped sustain a 10+ billion events/day clickstream with near five-nines reliability, designed CDC/BigQuery point-in-time databases, and built cross-platform messaging and experimentation infrastructure. An active open-source contributor, he improved the notable Scalding Scala library by adding natural language date parsing and idiomatic refinements. Brad pairs strategic consulting experience—rescuing a $3B systems integrator from a “data quagmire”—with indie craftsmanship, evidenced by civic projects and bespoke tooling for Wikimedia and community initiatives. He’s driven by hard problems and shipping pragmatic, high-impact solutions.
16 years of coding experience
26 years of employment as a software developer
B.S. with Honors Computer Science, B.S. with Honors Computer Science at University of Michigan
Contributions summary:Brad primarily focused on enhancing the `scalding` library by adding natural language date parsing capabilities using the Natty library. They implemented new features in `DateRange.scala` and added relevant tests in `DateTest.scala`. Further contributions include fixing issues related to the `upperBound` calculation for natural language dates and refining the codebase for idiomatic Scala practices. The user also updated dependencies and incorporated improvements for handling date formats.
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Brad Greenlee - Director Of Engineering at Greenlee LLC