
Member of Technical Staff, Model Behavior
Perplexity2 months ago
Palo Alto, CA, USA or San Francisco, CA, USAMid Level / Senior
H1B sponsor
Base Salary
$200k - $330k/yr
Responsibilities
- Design, test, and optimize prompts, skills, tools, and memory across products, features, and use cases.
- Build self-improvement loops to improve prompts, tool and skill use, and the use of memory.
- Experiment with and release new models.
- Identify inconsistencies and failure modes in model outputs through research projects for internal and production systems.
- Share prompt-design and context-engineering best practices with engineers across teams.
- Track prompting, context-engineering, and alignment techniques from industry and academia.
Requirements
- 2 to 10+ years of experience in software engineering or research.
- Strong software engineering fundamentals and technical understanding of LLM-driven and agentic systems.
- Experience shaping LLM behavior through prompts, tool and skill design, or memory systems.
- Strong written and verbal communication skills for explaining complex concepts to diverse stakeholders.
- Recent experience with modern LLM-driven products is preferred.
- Experience working across teams or with external partners is preferred.
- Experience designing evaluations or benchmarks for AI systems is preferred.
Categories
About Perplexity
Perplexity builds an AI-powered answer engine for web and mobile and an enterprise product, Perplexity Computer, for AI-driven workflows across tools and apps. The company monetizes through individual subscriptions (Perplexity Pro) and enterprise plans. Founded in 2022 and headquartered in San Francisco, it operates as a privately held company.