Aaron worked on the DefiLlama/defillama-app repository, focusing on frontend development using TypeScript to enhance data quality for perpetual DEX volume metrics. During this period, he addressed a sorting issue in the 'cumulative last 30d volume secured' column, ensuring that undefined values are consistently displayed last. This targeted bug fix improved the accuracy and usability of volume data for traders and analytics users, without introducing new features or regressions. Aaron’s approach prioritized reliability and correctness in the data presentation layer, demonstrating attention to detail and a clear understanding of frontend data handling within a TypeScript-based application environment.