Senior AI Engineer: Agentic AI & Gen AI Systems

T-Mobile USA, Inc. seeks a Senior AI Engineer to architect and optimize agentic AI systems powering customer service. You will design production-grade AI that coordinates across models, APIs, and tools to deliver reliable workflows and intuitive interactions. You will work on prompt engineering, model fine-tuning, evaluation frameworks, and system orchestration to improve accuracy, reliability, and reasoning across millions of conversations. Join a team focused on Un-carrier excellence.

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