AI ML Engineer, Personalization (SF)

Company: Perplexity AI
Location: San Francisco Bay Area (SF or Palo Alto)

About Perplexity AI:
At Perplexity, we've experienced tremendous growth and adoption since publicly launching the world's first fully functional conversational answer engine just over a year ago. Our AI-powered search assistant has amassed 10 million monthly active users as of early 2024, with our mobile apps installed over 1 million times across iOS and Android devices. In 2023 alone, we served over 500 million queries from users around the globe. To support our rapid expansion, we've raised significant funding from respected technology investors like IVP, NEA, Jeff Bezos, NVIDIA, Databricks, Bessemer Venture Partners, and many visionary individuals.

Role Overview:
Perplexity is seeking experienced Applied AI&ML Engineers to help build the next generation of personalization experience. In this role, you'll focus on improving user happiness on Perplexity by making the content highly relevant, personal and inspiring.

Responsibilities:
- Architect and build the next generation of personalization platform and models which serves as the foundation of highly personalized Perplexity user journey
- Build effective data and models for LLM content and convert them into personalized ML signals which drives customized recommendation
- Work across stack to deliver various types of models (LLM to DNN) to end users in a scalable and performant way
- Partner with product managers and partner team engineers to ensure fast and high quality deliverable to end users

Qualifications:
- Strong programming skills with the ability to work across the stack in a typical recommendation system or LLM stack
- Experience in training DNN and Transformer architecture models
- Experience in working with other LLM APIs to complete tasks like fine tuning, prompt mining or prototyping new ideas
- Understands how to make tradeoffs in using different models
- Self-motivated with a willingness to take ownership of tasks
- A passion for shipping quality products
- 4+ years of industry experience

Compensation & Benefits:
- Cash compensation range: $200,000 - $280,000 (Final offer amounts determined by multiple factors including experience and expertise).
- Equity may be part of the total compensation package.
- Comprehensive health, dental, and vision insurance for you and your dependents. Includes a 401(k) plan.