• Built a server, database and RESTful API using Node.js, Express, and PostgreSQL to replace an outdated back-end system that contained over 10 million records
• Utilized SQL queries to aggregate, manipulate and join data from multiple tables
• Increased throughput to 1000 RPS with an average response time of 11ms and 100% completion rate by deploying a single server instance on AWS
• Implemented an NGINX server to load balance 5 server instances and increase 100% completion throughput by 4x