Developed the Array Insertion Utility for the apache/datafusion-comet repository, enabling insertion of elements at specified positions within arrays and supporting both positive and negative indices to align with legacy Spark behavior. Focused on robust type checking and comprehensive error handling to ensure compatibility with Spark-like array manipulation workflows, this feature enhances data transformation capabilities for distributed data engineering tasks. The implementation, delivered in Java, Rust, and Scala, reduces the need for external workarounds and strengthens support for Spark-based pipelines. During this period, the primary focus was on feature delivery and code quality, with no major bugs addressed alongside the new functionality.