CareerPlanSign in

Principal Applied Scientist

Bellevue💼 Full-time🗓 2026-06-09 → 2026-09-26

Core

Lead the architecture, research, and productization of next-generation ML systems for agent-based automation, bridging deep research with deployment at scale.

Role type

Principal Applied Scientist (Agentic Systems & LLMs)

Builds

Autonomous agents using LLMs, reinforcement learning, simulation environments, tool use, and multi-step reasoning integrated with the UiPath platform.

Domain

Enterprise Automation / Artificial Intelligence / Large Language Models

Deliverable

production ML models

Required skills

LLM fine-tuning, reinforcement learning, agent orchestration, distributed training, scalable architecture design, Python, model evaluation, simulation environments

Preferred skills

Foundation models, multimodal pipelines, computer-use modeling, long-term memory, imitation learning, open-source contributions

Technologies

Python, LLMs, RL, simulation environments, tool use frameworks

Responsibilities

Define technical strategy for agent-based automation; Architect and deploy advanced ML/AI systems; Lead ML infrastructure design for training and inference; Partner with product and engineering teams; Research state-of-the-art techniques for agentic behavior; Establish evaluation frameworks and metrics; Mentor ML engineering and data science teams.

Seniority

Principal, strategy & mentorship

Sourced via ashby · Listed on CareerPlan, which tracks 70,000+ jobs from 20+ sources.