During April 2025, Carxcar focused on backend stability for the IBM/unitxt repository by addressing a critical configuration issue affecting Azure OpenAI integration. He identified and corrected a variable name typo, changing 'azure_openapi_host' to 'azure_openai_host', which restored proper functionality to the inference engine and reduced the risk of misconfiguration. Using Python and leveraging his skills in API integration and debugging, Carxcar ensured the fix was traceable through Git and linked to the relevant issue. While the work was limited to a single bug fix, it demonstrated careful attention to detail and contributed to improved reliability for AI-powered features.