Architected and shipped a real-time analytics dashboard using React, GraphQL, and PostgreSQL — cut average page load from 4.2s to 800ms

Led a cross-functional team of 5 engineers to rebuild the customer-facing portal, increasing user retention by 22%

Introduced feature flagging and trunk-based development, reducing release cycle time from 2 weeks to 2 days

Mentored 3 junior developers through weekly pairing sessions and code reviews

Built and maintained a multi-tenant SaaS platform serving 10k+ monthly active users with Next.js and Node.js

Designed RESTful APIs and implemented OAuth 2.0 auth flows with role-based access control

Optimized database queries and introduced caching layers, reducing API response times by 60%

Wrote comprehensive integration and unit tests, pushing code coverage from 45% to 88%