AI Study Buddy for Students v2 (2021)
A AI project (2021) — spaced-repetition Q&A tutor. Built with Node.js, OpenAI API, PostgreSQL, Redis.
Node.jsOpenAI APIPostgreSQLRedis

Highlights
- AI architecture using Node.js, OpenAI API, PostgreSQL, Redis.
- Deployed with CI/CD, monitoring, and role-based access.
- Iterated based on real user feedback from 7,459+ sessions.
Outcomes
- Improved key workflow efficiency by 68% versus the pre-launch baseline.
- Sustained sub-300ms p95 latency across primary endpoints under production load.
Stack
- Node.js
- OpenAI API
- PostgreSQL
- Redis