Tech Stack: Nest (TypeScript), Yii (PHP), MySQL, Redis ● Maintain and develop the backend server using PHP (Yii) and TypeScript (NestJS). ● Address and resolve customer-reported issues by examining system logs and the MySQL database. ● Develop a self-service onboarding backend for web applications and integrate with Chargebee. ● Write basic unit tests to ensure the functionality and stability of the NestJS server. ● Assist in pre-launch testing of new features to identify and resolve any critical issues.

● Designed and built social media App ( Dotarazzi ) Restful APIs to help the client process thousands of data every second. ● Designed a service that generates 10 digital unique user ids for app clients in a short time. ● Designed an admin dashboard to manage app clients by using Nest as backend & Vue as frontend. Used Firebase Cloud Messaging to design an API for sending notifications to app clients. ● Used Google Cloud Scheduler to design an API for archiving daily data in MySQL database. ● Use Slack API for notifying some important information to our channel in Slack.

Developing a purchase order system for a company enterprise intranet portal for client. Maintenance and improve the cloud MQTT monitoring website.

Developed the cloud MQTT monitoring website. Assisted in developing a web content management system for client.