# Principal Applied Scientist- AI at UiPath

- Company: UiPath
- What the company does: Transform enterprise operations with the UiPath Platform™ for business orchestration and automation, enabling AI agents, robots, and people to deliver secure, compliant outcomes at scale. Backed by Accel, Sequoia and IVP.
- Company website: http://www.uipath.com
- Type: Startups (AI role)
- Level: Principal and up
- Location: Bellevue
- Work setup: On-site
- Pay: $218K to $265K base salary per year (USD)
- Posted: 2026-08-14
- Apply by: 2026-10-12
- Apply: https://jobs.ashbyhq.com/uipath/0c32036c-3fed-458a-ae6d-c2a8279a15e4
- Page: https://www.1752.vc/careers/jobs/uipath-principal-applied-scientist-ai/

## About the role

Lead research and development of large-scale foundation models and agentic AI systems for enterprise automation. Design novel approaches for post-training, model alignment, reinforcement learning, preference optimization, and synthetic data generation.

## What they're looking for

- We're looking for scientists who have successfully taken frontier AI research from idea to production
- Foundation model training
- LLM post-training
- Reinforcement Learning from Human Feedback (RLHF)
- Preference optimization (DPO, PPO, GRPO or similar methods)
- Reward modeling

Tags: Engineering