Developed and integrated an Aptos Swap Testing Framework within the LedgerHQ/app-exchange repository, focusing on end-to-end validation and enhanced test coverage for Aptos-related exchange functionality. Leveraged Python and YAML to create new test files, fixtures, and snapshot assets, while extending the CI/CD workflow to automate testing and include Aptos scenarios in the build process. Updated test signing logic to support transaction fees, ensuring comprehensive scenario coverage. Additionally, delivered a configuration-only update to Aptos flags in the ledger-app-database repository, aligning application settings with new Aptos features. The work emphasized backend development, automated testing, and robust configuration management.