Member of Technical Staff (Model Behavior)

Job summary

Responsibilities

We're hiring software engineers for the Model Behavior team to help shape how Perplexity’s AI products behave: the style of their responses, and the way they use tools, skills, and memory.

• Context Engineering: Design, test, and optimize the prompts, skills, tools, and memory that shape Perplexity responses across products, features, and use cases.
• Model Releases: Help experiment with and release new models.
• Research & Analysis: Identify inconsistencies and failure modes in model outputs through well-designed research projects, for both internal and production systems.
• Knowledge Sharing: Help engineers across teams build intuition for prompt design and context engineering best practices.
• Staying Current: Track the latest prompting, context engineering, and alignment techniques from industry and academia, and bring the best ideas back to the team.