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Principal Conversation Designer

Bellevue, Washington💼 Full-time💰 $115,400–$115,400🗓 2026-08-11 → 2026-09-26

Core

Lead the design, strategy, and execution of human-centered conversational experiences for AI agents across T-Mobile's digital ecosystem, translating AI product vision into working behavioral systems.

Role type

Principal Conversation Designer (AI Systems & Strategy)

Builds

Scalable conversation architectures, dialog systems, and reusable patterns for AI agents.

Domain

Telecommunications / Generative AI / Conversational Design

Deliverable

production ML models | product features

Required skills

Systems thinking, conversation response pattern design, structured content modeling (schemas/ontologies), prompt engineering, UX research, voice and tone development, cross-functional leadership, mentorship

Preferred skills

Experience with structured data enabling scalable AI behavior, leadership experience mentoring designers

Technologies

GenAI, LLMs, structured content frameworks

Responsibilities

Drive conversation design strategy for AI and automated experiences; define voice, tone, and personality guidelines; design conversation response patterns and agentic interaction models; build scalable conversation architectures; mentor designers and advocate for best practices; optimize conversational journeys using research and analytics.

Seniority

Principal, strategy & mentorship

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