Job Board
LogoLogo

Get Jobs Tailored to Your Resume

Filtr uses AI to scan 1000+ jobs and finds postings that perfectly matches your resume

Perplexity AI Logo

AI Research Scientist - Post Training

Perplexity AI

$220,000 - $260,000
Jun 10, 2025
San Francisco, CA, US
Apply Now

Perplexity is seeking to improve its in-house Online LLMs, the Sonar models, through research and implementation of new algorithms and models.

Requirements

  • Proven experience with LLM research and Deep Learning systems.
  • Strong programming skills; versatility is a plus.
  • PhD in Machine Learning or related areas.
  • Experience on academia publications and impact.

Responsibilities

  • Understand the newest models and algorithm coming every week, especially in post-training
  • Invent in-house improvements and optimizations to enhance SOTA models
  • Post-train LLMs on query answering by using the latest in supervised and reinforcement learning techniques.
  • Work closing with engineering teams to integrate Sonar models into our product.

Other

  • Self-starter with a willingness to take ownership of tasks.
  • Passion for tackling challenging problems.
  • Minimum of 6 years of working on relevant projects.
  • Comprehensive health, dental, and vision insurance for you and your dependents. Includes a 401(k) plan.