Focused on enhancing build reliability, this developer addressed a key issue in the raexera/nixpkgs repository related to GraalVM native-image usage within isolated Nix environments. By implementing a targeted fix in Nix, they ensured that essential environment variables are preserved and correctly passed as flags during the native-image compilation process. This approach improved the reproducibility and standalone reliability of GraalVM builds in controlled environments. Their work demonstrated proficiency in build systems, environment management, and system packaging, with careful attention to traceability through clear commit documentation. The contribution reflects a methodical approach to solving environment-specific build challenges using Nix.