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
Senior Software Developer
Owned core system testability and performance at scale, leading legacy modernization in a highly coupled CRM platform.
- Opaque legacy constraints were addressed by isolating critical behaviors behind boundaries, reducing production risk for core changes by 40%.
- Slow ad-hoc global data access was addressed by introducing testable query patterns and caching strategies, significantly improving query performance.
- Fragile UI-driven workflows were addressed by hardening the Ember.js frontend test suite, improving reliability and confidence.
- Slow runtime debugging loops were addressed by establishing test-driven observability, enabling reliable developer feedback.
Skills: PHP, MySQL, Ember.js, JavaScript, Legacy System Modernization, Backend System Architecture, Automated Testing, Performance Optimization