During October 2025, this developer enhanced the aiida-core repository by refactoring the NodeRepository to support scalable streaming text I/O. Leveraging Python and YAML, they introduced the use of TextIOWrapper for text-mode file access, which enabled efficient streaming and prevented large files from being fully loaded into memory. They also improved the cif-file parsing interface to align with CifParser’s StringIO stream requirements, facilitating seamless integration with the new streaming workflow. Their work demonstrated strong skills in dependency management, file I/O, and memory management, laying a solid foundation for memory-efficient processing of large datasets within the aiida-core platform.