Senior AI Engineer: Crafting Next-Gen Customer AI

T-Mobile in Frisco, TX is seeking a Senior AI Engineer to architect and optimize the agentic AI systems powering our customer interactions. You will design AI that coordinates across models, internal APIs, and third‑party tools to create reliable, production‑grade workflows and intuitive customer experiences. Collaborating with engineering, product, and operations teams, you’ll apply prompt engineering, model fine-tuning, and evaluation frameworks to improve accuracy, reliability, and reasoning

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