Worked on stabilizing the development environment for the WTTJ/welcome-ui repository by implementing strict dependency management practices. Addressed the challenge of environment drift by pinning all JavaScript package dependencies to fixed versions, ensuring consistent builds across local machines, CI pipelines, and production. Removed automated dependency update tools like Dependabot to centralize and control versioning, reducing noise from frequent pull requests and consolidating changes under a single baseline. This approach improved onboarding for new developers and enhanced CI reliability by eliminating variability in dependency resolution. The work leveraged JavaScript, package management, and dependency management skills to deliver reproducible and stable builds.