Staff AI Backend Engineer - Remote (Python/AWS)

Pfizer is seeking an AI Backend Python Engineer (Staff) to provide technical leadership for backend systems powering next-generation generative AI and LLM integrations. You will shape architecture on FastAPI, design scalable AWS-based platforms, and drive organizational engineering practices.

The role emphasizes mentorship, cross-functional collaboration with product and engineering leaders, and setting standards for observability, security, and performance across AI services.