Worked on enhancing backfill data ingestion workflows for the iotaledger/iota repository by making the iota-indexer backfill worker configurable and updating the command-line interface to require explicit parameters for improved clarity. Leveraged Rust for CLI development and system configuration, introducing support for file-based data ingestion through a new --data-ingestion-path option. These changes increased reliability and operational flexibility, allowing ingestion from both remote and local sources. All modifications were documented in a single, auditable commit, ensuring traceability. The work focused on robust configuration management and clear parameterization, addressing operational needs for data backfill processes without introducing new bug fixes.