Testum

About the project

Testum is a multiple-choice exam platform built with Next.js, OpenAI, Supabase, and PostgreSQL. It reached +1,600 questions and +21,400 answers with 100% organic growth among Business Administration students.

Technologies

Features

• +21,400 answers · +1,600 questions · 100% organic growth
• Creation and management of personalized multiple-choice exams
• Integrated AI chat with OpenAI for assistance while answering
• User system with Supabase Auth
• PostgreSQL database to store exams and answers
• Highly polished and optimized UX controls
• Responsive and modern interface
• Statistics and progress system

Technical challenges

• Designing a fluid UX experience for solving exams quickly
• AI integration for contextual assistance during exams
• PostgreSQL query optimization for large volume of answers
• Complex state management for progress tracking
• Scalability for multiple simultaneous users

Learnings

• High-performance web application architecture
• OpenAI integration in educational contexts
• UX design for evaluation platforms
• Database optimization with PostgreSQL
• Organic product growth (word of mouth)

Screenshots

View 1

View 2

View 3