Nicoo worked on packaging and automation improvements in the srid/nixpkgs and Shopify/nixpkgs repositories, focusing on stability and maintainability. In srid/nixpkgs, they streamlined the Factorio package update workflow by removing conditional authentication logic and enforcing direct use of a Python update script, which reduced inconsistencies and improved automation reliability. For Shopify/nixpkgs, Nicoo maintained and modernized Memtree packaging metadata, aligning repository details with account changes and updating Python packaging configurations. They introduced a postFetch script to minimize fetch size and stabilize lockfile updates, enhancing build determinism. Their work demonstrated depth in Nix, Shell scripting, and Python packaging practices.