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Deutschmock
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AI-Driven Practice & Feedback for German Writing Exams

Deutschmock is a full-stack platform designed to help users prepare for German proficiency exams, specifically focusing on the writing (Schreiben) section, through AI-driven feedback.

  • Motivation: Created to address the lack of instant feedback in self-studying for German writing exams. I built this platform to leverage AI for real-time, high-quality evaluations and strategic score enhancement.
  • Tech Stack:
    • Frontend: Next.js 16 (React 19), Tailwind CSS 4, Radix UI
    • Backend: NestJS, PostgreSQL (TypeORM), Passport.js (JWT/OAuth)
    • AI: Google Gemini API (Generative AI Integration)
  • Key Strategic Implementations:
    • AI Score Enhancement: Analyzes test patterns and provides actionable feedback specifically designed to improve exam outcomes.
    • Internationalization & Resource Management: Supports 40+ languages and features Usage Quota Management by implementing authenticated request limits to manage operational costs and ensure fair resource distribution.
  • **Methodology: Adopted an AI-augmented engineering workflow to achieve high-velocity development and rapid prototyping across the full stack.
  • Links:

PartyGame
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A real-time multiplayer gaming platform for seamless social interaction and instant play.

PartyGame is a full-stack web platform designed for seamless, instant multiplayer gaming. It currently features Imposter, a social deduction game that challenges players to use real-time communication and strategy to identify hidden imposters hiding among the group.

  • Tech Stack:
    • Frontend: Next.js (React), Tailwind CSS
    • Backend: NestJS, WebSockets (Socket.io), PostgreSQL
  • Key Strategic Implementations:
    • Real-time Hidden State Management: Implemented secure server-side logic to handle role assignments, ensuring that sensitive data—such as the identity of the imposters—is masked and only broadcast to authorized clients via WebSockets.
    • Synchronized Game Lifecycle: Designed a robust state machine to manage real-time transitions between game phases—lobby, discussion, voting, and results—providing a low-latency experience without the need for manual refreshes.
  • Methodology: Adopted an AI-augmented engineering workflow to achieve high-velocity development and rapid prototyping across the full stack.
  • Links:
  • License: MIT

Re:Leaf (Chrome Extension)
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A tool to convert scrolling web pages into a paged, e-book-like format for better readability.

  • Motivation: Developed to improve the reading experience on e-book readers by optimizing web content layout for distraction-free reading.
  • Tech Stack: JavaScript, CSS
  • **Methodology: Adopted an AI-augmented engineering workflow to achieve high-velocity development.
  • Links:
  • License: MIT