During November 2025, Thibault Boeri focused on backend development for the pinterest/ray repository, addressing compatibility between Ray Serve LLM and VLLM. He implemented a targeted fix in Python to enforce v1-only usage of VLLM by introducing an attribute check within vllm_engine.py, thereby preventing misconfigurations during deployment. This solution improved error handling and provided clearer messaging when incompatible VLLM versions were detected, reducing the risk of production issues. Thibault’s work, though limited in scope to a single bug fix, demonstrated careful attention to deployment stability and maintainability, leveraging his expertise in Python and backend systems to enhance reliability.