Evgeniy Zayats focused on optimizing the CI/CD pipeline for the nspcc-dev/neofs-node repository, delivering a targeted workflow enhancement over a one-month period. He introduced a new run_all_tests job and restructured the GitHub Actions configuration using YAML to enable conditional execution of system tests, conserving resources. By sharding macOS tests across multiple runners, he parallelized test execution, which reduced CI feedback time and improved reliability. Although no user-facing bugs were addressed, his work increased developer throughput and confidence in code changes. The technical approach demonstrated a solid grasp of CI/CD principles and effective use of GitHub Actions for workflow automation.