Javascript, React, SQL, MongoDB

Carina Zhang

650-***-**** SF Bay Area *********@*****.*** github.com/carina-lxx linkedin.com/in/carina-lxx Technical Skills

Front end: JavaScript ES6, Java, React.js, HTML, CSS, jQuery, Styled-Components, Jest/Enzyme Back end: Node.js, Express, MySQL, MongoDB, PostgreSQL, Cassandra, Docker, AWS, GraphQL, Knex Libraries/Tools: New Relic, Loader.io, Artillery.io, Postman, Nginx, Webpack, Babel, Mocha, Chai, Git, Babel Software Engineering Experience

iMOD Full-stack forum application with car part recommendations and social sharing features React, React Hooks, Node.js, Express, MongoDB

● Established RESTful API routes to set up data communication between users and database to increase the flexibility of migrating between servers and allow for development changes in the database

● Initiated app state with Context API and React Hooks to build a simpler state management system CouchStay Nearby hotels carousel and favorites service for hotel booking application MERN stack, React, React Hooks, MongoDB, Docker, Styled Components, Jest/Enzyme

● Built a complex UI/UX interface for a carousel module with React and styled-components for component separation and conditional rendering to uniquely display 1000 listings with varying attributes

● Identified bottlenecks with PageSpeed Insights analytics and enabled express compression middleware for the proxy server, boosting PageSpeed score from 13 to 86 and reducing the page bounce rate

● Applied TDD practices, achieving 95% code coverage with Jest and Enzyme unit and integration tests

● Containerized microservice with Docker for runtime consistency and ease of deployment on EC2 instances Sizabl-io Highly scaled database system application to browse and post reviews for nearby restaurants PERN stack, React, Node.js, PostgreSQL, Cassandra, NGINX, Loader.io, k6, NewRelic

● Optimized read query times for PostgreSQL database holding 80+ million records by tuning load balancer and enabling cache, reducing overall latency from over 100ms to under 3ms

● Horizontally scaled back end infrastructure by directing web traffic through Nginx load balancer crossing 3 server instances, increasing the maximum requests per second from 250 to 1500

● Stress tested with Loader.io and K6 and analyzed server performance metrics with New Relic Experience

KPMG - Experienced Audit Associate Oct 2018 - Mar 2020

● Executed large public company and 4 pre-IPO audits as a lead auditor for well-known tech startups

● Trusted to lead and supervised audit teams of 4 team members in the execution of year-end procedures to audit clients’ financial statements in a timely manner to meet SEC filing deadlines

● Communicated efficiently with clients of various companies to build rapport and cooperative relationships Education

Hack Reactor - Advanced Software Engineering Immersive Program 2020

● Relevant Courses: Data Structures, Algorithms, Web Development, Test Driven Development, System Design San Jose State University - Bachelor of Science, Accounting 2015 Personal

Car racing/modification enthusiast who has a passion for making products for multiple languages and international audiences. Fluent in Japanese, Mandarin, Cantonese, JavaScript, and always eager to learn a new language.

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