Mike Hall
Staff Software Engineer
- Location Chicago, IL
- Email mike@just3ws.com
- Phone (847) 877-3825
- Web just3ws.com
- LinkedIn linkedin.com/in/just3ws/
- GitHub github.com/just3ws
Experience
Engineering Learning & Development Business Partner
Owned core backend systems for fraud and taxonomy, leading global engineering enablement during hyper-growth.
- Siloed merchant data was addressed by building analysis tools in Ruby and CouchDB, generating reports to identify high-value markets.
- Unscalable fraud detection was addressed by designing pattern queries in Vertica and Hadoop detection tools, scaling analysis throughput by 10x.
- Fragmented merchant categorization was addressed by implementing a centralized taxonomy service in Java and MySQL, reducing categorization drift across product teams.
- Inconsistent engineering ramp-up was addressed by redesigning the global onboarding program, modernizing training consistency across multiple sites.
Skills: Ruby, Java, Clojure, CouchDB, Vertica, Hadoop, MySQL, Redis, JavaScript, Bash