EarthLink — Digital Platform
Enterprise React applications serving a digital ecosystem for 5M+ users across web and mobile.
Led frontend development for EarthLink, a top U.S. ISP. Built and maintained enterprise React applications serving a digital ecosystem for 5M+ users across web and mobile. Delivered high-performance, accessible interfaces with React Native mobile apps and TypeScript-first codebases, collaborating with cross-functional teams.
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Tech Stack
Key Screens
Customer Portal
Self-service dashboard allowing 5M+ users to manage plans, view usage, pay bills, and get support without calling in.
Mobile App
React Native cross-platform app providing a seamless experience on iOS and Android with offline support and push notifications.
Admin Dashboard
Internal tooling for support teams to view account details, manage tickets, and monitor service health across regions.
Marketing Landing Pages
High-conversion landing pages built for A/B testing and CMS integration, optimized for Core Web Vitals scores above 90.
Challenges Faced
Serving millions of users across web and mobile at a large enterprise scale required balancing performance, accessibility, and rapid feature delivery while coordinating across large distributed teams.
Scale & Performance
Maintaining sub-second load times and smooth interactions for millions of concurrent users required aggressive code splitting and caching strategies.
Cross-Platform Consistency
Ensuring a consistent design language and behavior across web, iOS, and Android platforms required a unified component and design system.
Accessibility Compliance
Meeting WCAG 2.1 AA accessibility standards across all pages required systematic auditing and remediation across a large codebase.
Solutions
A TypeScript-first monorepo with shared design system components, rigorous performance budgets, and automated accessibility testing enabled the team to deliver consistent, high-quality experiences at scale.
Shared Design System
Built a reusable component library used across web and React Native apps, ensuring visual and behavioral consistency with a single source of truth.
Performance Budgets
CI-enforced bundle size and Core Web Vitals budgets prevented regressions and kept the platform fast as features were added.
Automated A11y Testing
Integrated axe-core into the CI pipeline to catch accessibility violations at the PR level, preventing issues from reaching production.
Micro-Frontend Architecture
Decomposed the platform into independently deployable micro-frontends, allowing multiple teams to ship features in parallel without conflicts.
Results
The platform modernization initiative significantly improved user experience metrics, developer velocity, and operational reliability for EarthLink's 5M+ user base.
5M+ Users Served
The modernized platform seamlessly handled millions of monthly active users with industry-leading uptime.
Core Web Vitals 90+
All major landing pages achieved Lighthouse performance scores above 90, directly improving SEO rankings and ad conversion rates.
WCAG 2.1 AA Compliant
Full accessibility compliance across all user-facing pages ensured the platform was usable by all customers, reducing support escalations.
Faster Feature Delivery
The micro-frontend architecture and shared design system cut average feature delivery time by 40%, enabling faster competitive response.