Will Chang

Backend Engineer  •  Pinkoi

Mar 2022–Nov 2023  |  Taipei, Taiwan

• Reduced bandwidth usage and loading speeds by 50% by designing a system to transform JPEG images into AVIF/WebP formats in real-time.

• Reached 10 times faster in image compression through the implementation of a new image transformation server within the Kubernetes environment.

• Reduced translation time by 80%, saving almost a day through introducing the new localization platform.

• Implemented a new CI/CD pipeline that will check lint and unit integration tests to  ensure code quality and system stability throughout the development lifecycle.

• Established a self-hosted GitHub runner in Kubernetes for CI/CD usage, improving the efficiency and reliability of continuous integration and deployment processes.

• Implemented Role-Based Access Control (RBAC) for comprehensive authorization management, enhancing security and access control.

• Transformed a single point of RabbitMQ into a RabbitMQ cluster in Kubernetes with no downtime, enhancing message queue reliability.

• Introduced Signoz for log collection cross Kubernetes and other machines, enhancing visibility into system logs for effective troubleshooting and analysis.

• Utilized Prometheus to gather service metrics and crafted Grafana dashboards for Elasticsearch (ES), Memcached, and Celery, delivering insightful visualizations to enhance monitoring and analysis capabilities.

• Orchestrated the migration of services into Kubernetes for scalability and more accurate resource allocation.