In July 2025, Akumulator focused on backend reliability within the firebase/firebase-tools repository, addressing a nuanced issue in Firestore index management. He identified and resolved a bug where the __name__ field was inadvertently excluded from Firestore index listings, which previously led to incomplete metadata in API responses. By removing the filter that stripped this field, Akumulator ensured that all relevant index information is now preserved for downstream consumers. This targeted fix, implemented using TypeScript and leveraging skills in API and backend development, improved data fidelity for developers relying on Firestore’s index metadata, though the work was limited to a single bug fix.