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Principal Applied Scientist

United States, Washington, Redmond💼 Full-time🗓 2026-09-08 → 2026-09-25

Core

Lead applied science strategy for AI-powered product areas, defining success metrics and operationalizing LLM evaluation frameworks across the product lifecycle.

Role type

Principal Applied Scientist (AI Strategy & Evaluation)

Builds

AI-powered product experiences, LLM evaluation frameworks, and experimentation pipelines

Domain

Artificial Intelligence / Large Language Models / Product Strategy

Deliverable

production ML models | product features | dashboards & analysis

Required skills

LLM evaluation, prompt engineering, RAG, agentic workflows, multimodal AI systems, offline experimentation design, MLOps, statistical analysis, product success metrics translation, technical leadership

Preferred skills

Responsible AI safety evaluations, red teaming, bias/fairness assessment, creating reusable evaluation platforms, influencing senior stakeholders

Technologies

LLMs, RAG, agents, telemetry, data pipelines

Responsibilities

Define success metrics for AI product experiences; Design and operationalize LLM evaluation frameworks; Partner with engineering and PM leadership to align science priorities; Mentor scientists and engineers; Drive fast iteration cycles through hypothesis formation and experimentation; Establish quality bars and decision-making frameworks for AI launches

Seniority

Principal, strategy & mentorship

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