AI-Powered English Learning Platform

Features

• Secure Authentication: Built a robust login/signup system with persistent sessions using JWT.
• AI Writing Assistant: Integrated gpt-4o-mini to generate tailored essays, vocabulary, and phrases based on the user's specific topic and level.
• Smart Community Moderation: Implemented a real-time comment filtering system using OpenAI's moderation models to detect and block toxic or invalid content automatically.
• Automated Grading: Users receive instant feedback and evaluations on their writing tasks from the AI.
• Fully Responsive UI: Crafted with a mobile-first approach using Tailwind CSS for a seamless across-device experience.

Challenges

• Fullstack Architecture: Managing the entire data flow from the UI to the Node.js server and MongoDB database while ensuring system stability.
• AI Integration & Parsing: Engineering complex prompts and ensuring the AI responses strictly follow a specific JSON schema using zodTextFormat for consistent UI rendering.

Learnings

• Adopted TypeScript for stricter type safety, significantly reducing bugs during the development process.
• Deepened knowledge of backend security and session management with JWT.
• Integrate AI APIs to solve real-world problems like content moderation and automated education.

Links

GithubClient Site