During November 2025, Alex contributed to the DefiLlama/dimension-adapters repository by developing a feature that introduced multi-currency fee calculation with dedicated support for ARS. Using TypeScript and backend development skills, Alex engineered the fee processing logic to handle ARS currency separately, ensuring accurate calculations and compatibility with existing multi-currency workflows. This enhancement addressed the need for precise financial tracking and expanded usability for users in ARS regions. The work was delivered as a single, well-scoped feature with traceable implementation, reflecting a focused approach to backend engineering. No bugs were reported or fixed during this period, indicating stable and targeted development.