Summary
Sia Karamalegos is a web performance consultant and full‑stack engineer with 11 years of experience helping businesses make the web faster, more accessible, and more strategic. She has driven platform-level performance improvements at Shopify—authoring features like section.index and default lazy loading and building performance.shopify.com—and runs Clio + Calliope to deliver optimization and development services to startups and agencies. A Google Developer Expert in Web Technologies and Cloudinary Media Developer Expert, she pairs hands‑on engineering with corporate strategy experience from roles at Applied Materials and PRTM. An active community builder and speaker, she organizes PerformanceObserver, the Eleventy Meetup, and Durham Social Hack Night, blending practitioner know‑how with open source and educational outreach. Based in Durham, NC, she brings a rare mix of product, platform, and instructional experience that turns performance insights into practical, ship‑ready solutions.
11 years of coding experience
14 years of employment as a software developer
Udacity
BS Chemical Engineering, BS Chemical Engineering at Texas A&M University
Viking Education
MBA, MBA at Harvard Business School
Greek, Spanish