Frontend Development for LetterTrader Marketplace

LetterTrader is a marketplace for buying and selling newsletter businesses. The platform enables newsletter owners to list their publications for sale with verified metrics, while buyers can discover, evaluate, and purchase high-quality newsletters based on detailed analytics and performance data.

React/Next.js Architecture: Designed and implemented a modern Next.js 15 application using App Router with server-side rendering and static generation.

Component Library: Built 80+ reusable React components using TypeScript, ensuring type safety and maintainability.

State Management: Implemented client-side state management using custom hooks and React Context API.

Responsive UI: Created mobile-first responsive designs using Tailwind CSS v4 and Shadcn/ui components.

Performance Optimization: Implemented code splitting, lazy loading, and image optimization for optimal performance

Technical Architecture

Dual Rendering System: Built sophisticated public/private routing system using Next.js middleware for authenticated and anonymous views

ISR & Caching: Configured Incremental Static Regeneration with custom revalidation strategies

Advanced Features

Data Visualization: Created interactive charts and analytics dashboards using Recharts for newsletter metrics.

Rich Text Editor: Integrated Lexical editor for content creation and management.

Search & Filtering: Built advanced search functionality with category-based filtering and sorting

Key Technical Achievements

Implemented complex data relationships between users, newsletters, analytics, and transactions

Created reusable UI component library with consistent design system

Developed custom hooks for authentication, data fetching, and form management.

Optimized performance with lazy loading, caching strategies, and image optimization.

Tech Stack: Next.js 15, React 19, TypeScript, Tailwind CSS, Payload CMS, PostgreSQL, Drizzle ORM, Better Auth, Vercel Blob, Docker.