Summary

Perplexity is hiring a machine learning engineer to build search, retrieval, and multi-agent AI systems. The role spans LLM post-training and production infrastructure, and the working arrangement is not specified.

Responsibilities

• Improve models and agent quality
• Develop reinforcement-learning post-training methods
• Train and evaluate multi-agent systems
• Build agent harnesses and execution environments
• Improve retrieval, ranking, and search interfaces
• Create datasets, reward signals, and evaluations