Kancil AI

Auralis — Product Backend

Auralis is a sound-design startup that needed a focused one-page site to explain what it does in seconds. The goal was a Backend that feels calm, modern, and confident, while guiding visitors to try the product.

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Technologies

• Node.js & Express.js
• PostgreSQL & Sequelize
• Passport.js, Joi, JWT
• Google OAuth 2.0 & OpenAI API

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Key Implementations

• Designed and implemented a database schema with 16 relational tables covering users, courses, quizzes, analytics, and student progress tracking.
• Built an authentication system using JWT and Google OAuth 2.0 with role-based access control for teachers and students.
• Integrated the OpenAI API for an interactive AI chatbot ("Pak Dino") that provides context-aware learning assistance.
• Utilized Node.js, Express.js, PostgreSQL, Sequelize, Passport.js, and Joi to build a secure and scalable backend service.

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