• Synchronized song playback and queueing events between clients using Socket.io

• Authenticated users, accessed song data, and manipulated users’ player state using Spotify’s API

• Isolated client-server interaction logic by implementing a RESTful API using API driven development

• Organized and efficiently managed state using Redux

• Architected Postgres schema to streamline retrieval of project and user data

• Optimized server performance from 100 RPS to 1000 RPS by indexing frequently queried fields, denormalizing relevant columns, and implementing node clustering

• Improved user experience by reducing page load times by 50% using server side rendering

• Designed interactive user interface with animated components using React

• Constructed app with a microservice architecture using Docker and EC2 for efficient deployment

• Optimized page load times by 10x using Redis for data caching and S3 for image storage