PitchPerfecter

A music training website with 6,000+ users, built as a full-stack application.

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Founded and developed a feature-rich music training website that acquired over 6,000 users through independent promotion.

Technical highlights:

  • React frontend using Tone.js for audio synthesis and ECharts for data visualization
  • Spring Boot backend with GraphQL reads and RESTful writes
  • PostgreSQL with compound indexes, reducing query latency by 50%
  • Deployed on AWS EC2

Technologies: Spring Boot, React, PostgreSQL, GraphQL, AWS