Kangze Jia developed robust distributed test result aggregation for the Shopify/ci-queue repository, introducing a Redis-backed system that ensures a single source of truth across all CI agents. By leveraging delta-based HINCRBY updates and a first-acknowledgment approach, Kangze prevented duplicate counts and enabled consistent, real-time test statistics. The work included enhancements to the CI release process, such as a version bump and comprehensive release documentation, streamlining gem deployment and reducing operational risk. Utilizing Ruby, Redis, and CI/CD best practices, Kangze’s contributions improved reliability and transparency of CI metrics, demonstrating strong distributed systems engineering within a short project timeframe.