Sophia Nguyen

Leads product engineering for a multi-tenant workflow automation platform used by distributed operations teams.

• Designed a modular multi-tenant architecture supporting more than 75,000 monthly active users.
• Reduced median API response time by 40% through query optimization, Redis caching, and improved request tracing.
• Created a reusable design system that shortened feature delivery cycles across three product squads.
• Mentored four engineers and introduced lightweight architecture decision records for major technical changes.

Built customer-facing web products for early-stage startups in commerce, logistics, and professional services.

• Delivered six production web applications from prototype to launch.
• Improved average Lighthouse performance scores from 71 to 96 across a portfolio of client applications.
• Integrated Stripe subscriptions, webhooks, invoicing, and role-based access control.
• Established automated testing and deployment pipelines using Playwright, Vitest, and GitHub Actions.