AI Machine Learning Engineer - Personalization

Job Description

Perplexity is looking for an experienced AI Machine Learning Engineer to help build the next generation of personalization experience. The ideal candidate will focus on improving user happiness by making content highly relevant, personal, and inspiring.Perplexity has experienced tremendous growth since launching its conversational answer engine in 2022, growing to around 20 million daily queries in December 2024. It also offers Perplexity Enterprise Pro, with leading companies as customers. The company's employee base grew nearly 300% in 2024.Responsibilities:

• Architect and build the next generation of personalization platform and models.
• Build effective data and models for LLM content and convert them into personalized ML signals.
• 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.

Perplexity offers:

• 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.