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Real-Time Collaborative Whiteboard v2 (2019)

A Full-Stack project (2019) — multi-user drawing canvas with presence and cursors. Built with React, Node.js, Express, PostgreSQL.

ReactNode.jsExpressPostgreSQL
Abstract deep navy and coral cover illustration for the Real-Time Collaborative Whiteboard project (2019), showing layered UI panels connected by data-flow arrows.

Highlights

  • Full-Stack architecture using React, Node.js, Express, PostgreSQL.
  • Deployed with CI/CD, monitoring, and role-based access.
  • Iterated based on real user feedback from 7,513+ sessions.

Outcomes

  • Improved key workflow efficiency by 18% versus the pre-launch baseline.
  • Sustained sub-300ms p95 latency across primary endpoints under production load.

Stack

  • React
  • Node.js
  • Express
  • PostgreSQL