# Member of Technical Staff (AI Researcher) at Perplexity

- Company: Perplexity
- What the company does: Backed by Accel, Bessemer and NEA.
- Company website: http://www.perplexity.ai/
- Type: Startups (AI role)
- Level: Senior
- Location: San Francisco
- Work setup: On-site
- Pay: $220K to $485K base salary per year (USD)
- Posted: 2026-08-25
- Apply by: 2026-10-09
- Apply: https://jobs.ashbyhq.com/perplexity/8fe61c73-0daf-4432-a47d-44714c1ef764
- Page: https://www.1752.vc/careers/jobs/perplexity-member-of-technical-staff-ai-researcher/

## About the role

Post-train SOTA LLMs using the latest supervised and reinforcement learning techniques (SFT/DPO/GRPO) Leverage our rich query/answer dataset to scale model performance across Sonar, Deep Research, Comet, and Search products

## What they're looking for

- Required
- Proven experience with large-scale LLMs and Deep Learning systems
- Strong programming skills in Python/PyTorch, versatility is a plus
- Experience with post-training techniques and reinforcement learning
- Self-starter with a willingness to take ownership of tasks
- Passion for tackling challenging problems

Tags: AI Research & Systems