Senior AI Engineer: Prompting, RAG & Agentic Systems

T-Mobile USA, Inc. is seeking an AI/ML Engineer to enhance customer service automation. You will optimize AI models via prompt engineering and fine-tuning, build tools/workflows, and architect agentic AI systems for complex workflows. You will collaborate across teams to deploy improvements in production and drive measurable customer satisfaction. The role requires 4–7 years in AI model development for CS, with strong experience in RAG, LangChain, and cloud-based AI infra.

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