Karim El-Husseiny

Senior Software Developer @Shopify

Toronto, ON, CA

Drove a full rewrite of Shopify’s Liquid rendering engine for Storefront, delivering up to 4× faster rendering and a smoother buyer experience- Boosted page-level performance by optimizing product page speed, caching strategy, and backend data flows- Led a team of five engineers to roll out GraphQL across Storefront, improving response speed and building a routing layer that made the migration seamless and risk-free- Strengthened platform resiliency ahead of BFCM, supporting millions of requests per minute by improving page cache, and SQL query efficiency- Took on critical on-call duties during peak traffic, ensuring the storefront platform stayed stable and responsive.

Faculty of Computers and Information

Bachelor of Science (BSc), Computer Sciences