Credit Karma
Empowering millions of Americans to make financial progress. Built modern web applications for credit monitoring, financial products, and personalized recommendations.

Main dashboard showing credit score monitoring and financial insights
Project Overview
Credit Karma provides free credit scores, reports, and personalized financial insights to over 120 million members. As a Senior Frontend Engineer, I contributed to core user experiences and helped scale the platform for millions of daily active users.
Key Contributions
- Built responsive credit monitoring dashboards with real-time score updates
- Developed personalized financial product recommendation engines
- Implemented A/B testing framework improving conversion rates by 25%
- Created accessible mobile-first interfaces serving 70M+ mobile users
- Led performance optimization reducing page load times by 40%
- Mentored junior developers and established frontend code standards
Platform Screenshots

Mobile-optimized credit monitoring and recommendations

Personalized financial product matching and recommendations
Technical Implementation
Frontend Architecture
Built with React, Redux for state management, and TypeScript for type safety. Implemented component library used across 20+ product teams.
Performance & Scale
Optimized for high traffic with code splitting, lazy loading, and CDN integration. Maintained 95+ Lighthouse scores while serving millions of daily users.
A/B Testing & Analytics
Implemented robust experimentation framework with feature flags, user segmentation, and detailed conversion tracking across the entire user journey.