Implemented RESTful API backed by a PostgreSQL DB with 30 million records to support accurate create, read, and update operations under web-scale load while maintaining low latency for key queries

Introduced load balancing with NGINX after extensive performance testing with Loader.io and K6, increasing request-per-second tolerance from 750 to 7000 with 0% error rate and response time under 70ms

Deployed service and database to AWS EC2 and hit production metrics goals on t2.micro instances

Designed client architecture with reusable, stateless code modules, abstracting React components and API requests into communal modules to save several days of developer time and eliminate redundant API calls

Incorporated metrics tracking and reporting functionality using React higher-order component, enabling granular usage and interaction analysis across the application while allowing for code reuse

Created personalizable UX, implementing dual light and dark color schemes with CSS custom properties while maintaining a Lighthouse accessibility score of 100

Led team of seven developers, establishing the foundation for the multi-page app by adopting Next.js, standardizing design choices with Material-UI, and prioritizing features to deliver an alpha product in six days

Developed technique to generate guest availability, integrating with Google authentication and calendar and inverting calendar events to compute and render free time blocks, simplifying the guest user experience