1. Managed infrastructure on AWS using Terraform.2. Develop services using Typescript with functional programming.3. Deploy and manage services using Kubernetes.4. Work with data warehouse Snowflake Cloud.5. Lead projects dealing with third-party API and AWS services (Kinesis, S3, Lambda, K8s).

Snooper is acquired by Wiser, still in the snooper team with same duty.

1. Developed and maintained core features for both in-house and client-facing platforms using React, Redux-Saga, React Admin, etc. to meet changing business needs. Wrote unit tests using Jest and Enzyme. These new features are widely recognized and significantly improve business efficiency.2. Maintained and upgraded the mobile app's Expo (a React-Native framework) version. Fixed all broken components on both iOS and Android and fixed all broken unit tests. Migrated the building process to EAS build (a cloud-based app build service.) Released new apps to Google play store and apple app store.3. Developed RESTful API for back-end using Kotlin and Spring Boot. I also wrote corresponding unit tests using Mockito and wrote integration tests using Postman.4. Managed project versions using Git and Bitbucket, managed deployed projects using Bitbucket pipeline and AWS service.5. Wrote bash script to interact with AWS S3 service.6. Participated in Sprint plan, retrospective, daily stand-up meetings, and project brainstorming.

Developed a Jira Plugin using React, the plugin is used for managing the process of software testing. Collaborated with the backend team to develop many essential features.

The project I did was to move an indispensable tracking tool of the organisation from offline to online, i.e. move database from Microsoft Access to Microsoft SQL Server, such that everyone can work from home. I was not familiar with VBA programming at first, but I learned very fast. Finally, I rewrote the sync function using VBA and SQL and greatly optimized the speed of remote synchronization from more than 1 minute to 5 seconds.

My main job was testing software and hardware at the production base, training customers and teaching them to use our products, and sometimes I also dealt with software problems occur on-site.