Language Growth — Online Language Learning Platform

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Tags

  • System Design
  • Web Development
  • Multilingual
  • Payment System

Stack

  • Full Stack
  • SaaS
  • Education
  • Next.js 15
  • React 19
  • TypeScript
  • Tailwind CSS
  • Supabase
  • PostgreSQL
  • Express.js
  • LemonSqueezy

(Info)An online language learning platform designed for absolute beginners, offering comprehensive coverage from pronunciation, vocabulary, and grammar to listening and real-life speaking scenarios.

Process

Built a modern full-stack SaaS platform with Next.js 15 App Router frontend and Express.js backend API. Integrated Supabase for authentication, PostgreSQL database, and real-time subscriptions. Implemented 8-language internationalization (en, zh-CN, zh-TW, sr, ru, es, ja, ko) using next-intl. Payment processing via LemonSqueezy with subscription management. Responsive design with Tailwind CSS and shadcn/ui component library. Deployed with edge optimization for global accessibility.

Language Growth — full homepage
Language Growth
Language Growth
Language Growth — overview
Language Growth — pronunciation
Language Growth — listening
Language Growth — vocabulary
Language Growth — grammar
Language Growth — speaking
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