Member of Technical Staff (AI Researcher)
Perplexity AI · San Francisco · Palo Alto · London · Berlin · New York City
Applied AIonsite$220k–$485k
At a glance
Highlights
- Advance Sonar models and AI search handling hundreds of millions of queries.
- Post-train base models powering Deep Research Agent and Comet experiences.
- Join specialized Core Research or vertical agent product teams.
What they offer
- Equity
Ideal candidate
Self-driven AI researcher with 2-6 years experience who loves turning research ideas into shipped models and solving hard agent and personalization problems at scale.
Requirements
- Proven experience with large-scale LLMs and deep learning systems
- Strong programming skills in Python/PyTorch
- Experience with post-training techniques and reinforcement learning
- Minimum 2-6 years of experience on relevant projects
- Self-starter with willingness to take ownership
Lab profile
About Perplexity AI
Builds AI search answers and agentic Computer to turn knowledge into action.
What they build
- Perplexity AI answer engine
- Perplexity Computer agentic assistant
- Comet AI browser and desktop apps
Known for
- Agentic AI and agent capabilities
- Applied AI product engineering
- Cross-platform apps across web, mobile and desktop
- Multimodal AI and integrations
Key facts
- Founded in 2022
- Headquartered in San Francisco, California
- Serves millions of users daily
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