AI Research Scientist - Post Training

Perplexity is an AI-powered answer engine founded in December 2022 and growing rapidly as one of the world’s leading AI platforms. Perplexity has raised over $1B in venture investment from some of the world’s most visionary and successful leaders, including Elad Gill, Daniel Gross, Jeff Bezos, Accel, IVP, NEA, Nvidia, Samsung, and many more. Our objective is to build accurate, trustworthy AI that powers decision-making for people and assistive AI wherever decisions are being made. Throughout human history, change and innovation have always been driven by curious people. Today, curious people use Perplexity to answer more than 780 million queries every month–a number that’s growing rapidly for one simple reason: everyone can be curious. 

Perplexity is seeking experienced AI Research Scientists to continue to improve our in house Online LLMs, the Sonar models. Your job is to turn research ideas into algorithms and implement them, running experiments and launch new models, and stay on top of the latest research on LLMs, especially model training and optimization.

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.

Qualifications

• Proven experience with LLM research and Deep Learning systems.
• Strong programming skills; versatility is a plus.
• Self-starter with a willingness to take ownership of tasks.
• Passion for tackling challenging problems.
• Minimum of 6 years of working on relevant projects.

Nice-to-have

• PhD in Machine Learning or related areas.
• Experience on academia publications and impact.

The cash compensation range for this role is $238,000 - $330,000.

Final offer amounts are determined by multiple factors, including, experience and expertise, and may vary from the amounts listed above.

Equity: In addition to the base salary, equity may be part of the total compensation package.
Benefits: Comprehensive health, dental, and vision insurance for you and your dependents. Includes a 401(k) plan.