Worked on the packit/specfile repository to address a stability issue in ALT Linux RPM macro processing, specifically targeting macro level -14 to improve compatibility with ALT Linux rpm 4.13.0.1. Focused on backend development using Python, the solution involved treating macro level -14 as MACROFILES, which resolved a known bug and reduced macro-related build failures in specfile processing. By implementing this targeted fix, the developer enhanced the reliability of packaging workflows for ALT Linux environments. The work demonstrated a strong understanding of Python and backend systems, contributing to more stable and predictable macro handling in the ALT Linux packaging ecosystem.