GraphQL, material-UI, Redux, React.js(Hooks), MySQL, Heroku, Node.js, Express.js, Passport.js

Mobile first web application for Nevada RAVE, used in house by company to check in/ check out staff members and store Covid related medical information, increasing work productivity by cutting down the time it takes to check someone in using a legacy system.

Implemented role based authorization and authentication with Bcrypt and Json web tokens. Authorization allows certain accounts to access specific endpoints using react-router, and server side logic. Roles are Volunteer, Staff, Master Staff.

Implemented a check in/check out process and handled complex logic for Business requirements with over 20+ unique endpoints, all endpoints made into one with GraphQL and Apollo Client

Compared tradeoffs between using MongoDB or PostgreSQL after using benchmark tools like New Relic and Loader.io and stress testing sample queries for 6 different API endpoints up to 10,000 RPS.

Performed horizontal web scaling for a microservice handling over 100 million records of data. Load balanced a web farm with Nginx on 2 separate EC2 instances each running 2 Docker containers.

Used Database Indexing, Table partitioning, query restructuring, config tuning and schema changes to reduce query times to under 10ms on a PostgreSQL database while ensuring ACID compliance and data integrity for a real world calendar service.

Overall the System was optimized to achieve a latency of 70ms at 10,000 RPS with an 0% error rate.

integrated Google maps API to display a modal showing the location of a vacation.

Decreased page Loading speed by 92% by compressing the "bundle.js" file from 3.4mb to 220kb

integrated Service oriented architecture with a team of 3 while utilizing Agile development and Test driven development. Unit and end to end tests written with Jest and Enzyme to achieve 70% test coverage.

architected an express proxy server to handle routing for the different services while using MySQL to persist user data.