Worked on the TobikoData/sqlmesh repository to address a critical reliability issue affecting international content handling. Focused on backend development and testing, the work involved fixing a bug in the file reading process by explicitly enforcing UTF-8 encoding in the _get_file_with_content function, ensuring correct display of non-ASCII characters. Automated regression tests were added to verify the solution, using Python to simulate scenarios with multilingual content. This targeted approach improved the robustness of file handling for global users and prevented future encoding regressions. The work demonstrated attention to detail in API development and a methodical approach to quality assurance through testing.