Phong Huynh
Staff Software Engineer @Square
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WORK HISTORY
Staff Software Engineer @Square
Toronto, ON, CA
Tech lead for Square’s Connections (Buyers, Staff, Payroll, and Customer Engagement) Web platform, owning frontend architecture and multi-quarter strategy across subscription, payroll, tips, HR, and communication products in the Square Dashboard.Launched a greenfield Staff subscription platform, unified 6+ product surfaces under a single permissioned navigation system, and delivered end-to-end tip distribution and payroll onboarding workflows. Drove cross-repo platform modernization across 15+ repositories while setting frontend standards and mentoring a 12-engineer team.
EDUCATION
Humber College
Computer Programming
Humber College
Postgraduate Certificate, Web Development
SKILLS
ABOUT PHONG HUYNH
I\'m a Staff Frontend Engineer and Tech Lead with 10+ years building 0→1 products and the infrastructure underneath them. At Square, I led frontend architecture for products used by 4M+ users, and ran platform modernization across 15+ repositories, while being the tech lead for a 12-person engineering team, setting standards across the org, and mentoring 5 engineers across disciplines. I operate at multiple levels simultaneously: I can design a frontend systems that scales across teams, and implement them end to end. What I build:• High-scale consumer and B2B products (React, TypeScript)• Design systems and component libraries that multiply team velocity• Frontend platforms with measurable performance and accessibility wins• Engineering culture: mentorship programs, technical standards, cross-team alignmentCurrently applying agentic engineering practices (RPI loops, Agents) to operational tooling and feature delivery, bridging frontend platform expertise with the AI-accelerated development workflows modern engineering teams are adopting.Open source contributor: Angular, Redux, Styled System, AngularUI, FormlyJS. Exploring Staff / Senior Frontend Open to engineering roles at companies building technically ambitious products.
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