•Architected and led the rebuild of Shopify Point of Sale (POS) checkout, which unlocked a 10x gain in checkout throughput. This system powers millions of dollars in purchases at retail stores daily.
•Built a resilient payment processing system based on Stripe Terminal, which facilitated the expansion of Shopify POS to 9 countries in less than 18 months.
•Led a project to extend POS functionality through integrations with third party apps. Coordinated with external developers culminating in a launch with 4 official integrations from Shopify Partners.
•Mentored senior and junior engineers via pair programming, code reviews, and career conversations that resulted in two promotions and increased confidence and autonomy of the mentees and team as a whole.
•Reviewed and guided technical proposals from adjacent teams to promote engineering excellence and influence the direction of the organization.
