L&L Supply

A migration off legacy ecommerce onto Magento 2.3, carrying 900K+ products and 80K+ customer records through custom PHP and JavaScript migration scripts. Data migrations are where ecommerce projects quietly fail — a dropped row is a customer who can't log in.

I also integrated CyberSource, consolidated a tangle of legacy payment processors onto a single Braintree integration, and mentored a five-person team through the transition.

• 20% improvement in site performance and a conversion lift
• 30% higher team productivity and code quality after mentoring
• 40% faster onboarding from code review standards and documentation templates