Rain Zhao Email & Phone Number

San Diego, California, United States

Joined Message Connectivity team to work on scalable MQTT and gRPC services talking to 9 million IoT vehicles• Worked on Java and Kotlin Spring services using reactive and concurrent programming with Kafka event streaming• Performed load tests, built unit tests, service monitors, Prometheus metrics, alerting and Grafana charts• Configured services with Kubernetes to speed up rolling restarts and use canary deployment• Received outstanding rating for adapting quickly, exceeding expectations, presenting Kotlin coroutines at learn/share

Toronto, Ontario, Canada

Joined agile team to work on mortgage application web portal• Back-end: REST microservices in Spring, JDBC, MongoDB, OpenAPI, GraphQL, JUnit and integration testing• Front-end: Angular, NgRx, Jest unit and Cypress end-to-end testing• Alleviated workload imbalances in the team by voluntarily becoming the team’s first full stack developer• Increased company wide developer knowledge on React and IndexedDB by researching and presenting to developers

Toronto, Ontario, Canada

Joined the dev team to revamp Homecare Hub’s web platform including marketplace search•Built a custom search bar component in VueJS that used Google Maps Autocomplete API for location search•Worked on PHP Laravel back-end controllers and also API for the search bar•Helped migrate Laravel Blade pages to VueJS pages, upgrade Bootstrap CSS and JQuery, and resolveconflicts with Vue components on Blade pages•Used VueX, browser session storage, and cookies to synchronize search bar states across pages

Toronto, Canada Area

Joined agile team with focus on mobile/online banking and digital enrollment.Worked on Java Spring backend endpoints of RESTful microservices.Improved backend and frontend unit test coverage by writing JUnit tests and Angular unit tests with dependency mocking.

Joined fast paced agile team in development work and automated testing of SAAS product.Built homepage UI with asynchronous logic, PHP controllers, SQL, and React front-end.Wrote PHP/React unit tests, API tests, Web Driver (Selenium) automated browser tests.Implemented REST APIs that are authenticated, scoped and interface with customer data according to OpenAPI specification.

Waterloo, Ontario, Canada

Designed and presented test automation utilities using Jest and Puppeteer for running web component tests and screenshot testing.Automated generation and organization of screenshots using Pixelmatch and JavaScript.Wrote Node.js scripts to handle command line flow and file management.

Toronto, Canada Area

I work part time to create common components such as tabs and buttons in VueJS with styles for the Web Pivot Table product. Additionally I used communication to assist in documentation and demoing of the product.