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Principal Applied Scientist

United States, Washington, RedmondFull-time2025-11-21 → 2026-10-02

Core

Shape the direction of the Agent Foundry Platform and drive agent self-improvement by applying long-term research efforts and production ML techniques to build trustworthy, science-informed decision-making tools.

Role type

Principal Applied Scientist (AI/ML Research & Product)

Builds

Agent Foundry Platform and self-improving AI agents (via careerplan.io/jobs/1970393556628352-principal-applied-scientist-at-microsoft)

Domain

Artificial Intelligence, Machine Learning, Large Language Models

Deliverable

production ML models

Required skills

Reinforcement Learning from Human Feedback (RLHF), model evaluation and optimization, Python programming, fine-tuning and post-training strategies, prompt engineering, research program leadership, live production system deployment, product lifecycle management

Preferred skills

UI/UX collaboration, team mentorship, conference speaking

Technologies

Python, Large Language Models

Responsibilities

Collaborate with designers and engineers to create actionable dashboards; shape product direction for the Agent Foundry Platform; apply RLHF to drive agent self-improvement; negotiate technology application across teams; leverage data and experimentation to iterate on product opportunities; provide mentorship to team members

Seniority

Principal, strategy & mentorship