Andres worked on stabilizing the continuous integration pipeline for the spacemeshos/go-spacemesh repository by addressing test environment determinism. He implemented a feature to pin the Kubernetes node version within the GitHub Actions system test workflow, using YAML to define the configuration and applying DevOps best practices. This approach removed the dependency on the latest node version, reducing CI flakiness and improving reproducibility of test results. By focusing on CI/CD and Kubernetes, Andres enhanced the reliability of automated testing and accelerated feedback loops for developers. The work demonstrated a targeted, infrastructure-focused solution to a common source of instability in CI environments.