During November 2025, Alejandro Serraller Ríos focused on backend stability for the DataDog/datadogpy repository, addressing a critical bug in SLO management. He improved the dogshell tool by ensuring that SLO names are preserved during updates and that target values are accurately parsed as floats, preventing calculation errors in SLO dashboards. This Python-based solution enhanced data integrity and reliability for SLO reporting, reducing the risk of misreporting and streamlining operational workflows. Although no new features were introduced, Alejandro’s work demonstrated depth in backend development and careful attention to correctness, prioritizing robust data handling and maintainable code in Python environments.