Perplexity
Open positions
Member of Technical Staff Machine Learning Engineer Search and Agents
You will improve search and agent quality through model, training-data, tool, and system improvements. You will develop post-training methods, train and evaluate multi-agent systems, build agent harnesses, improve…
Member of Technical Staff Machine Learning Research Engineer
You will advance search quality by building core search-platform and model-stack components. You will design, train, optimize, and deploy large-scale retrieval and ranking models; research representation learning;…
Member of Technical Staff Machine Learning Engineer Search
You will improve search quality through models, data, and tools. You will architect search-platform and model-stack components, train and evaluate retrieval, ranking, classification, and LLM models, and deploy models…
Member of Technical Staff Machine Learning Engineer Ranking Quality Search
You will own ranking-quality problems from evaluation and bottleneck identification through implementation and safe release. You will train and evaluate retrieval, ranking, and classification models, including neural…
Search Machine Learning Engineer Intern
You will improve search quality through model, data, and evaluation experiments. You will implement retrieval, ranking, and classification components, train and evaluate models, deploy and monitor search models, and…
Machine Learning Research Engineer Intern
You will improve search quality through models, data, and tools. You will train and optimize large-scale deep-learning retrieval and ranking models, research representation learning, and build RAG pipelines for…
Search Machine Learning Engineer Intern
You will improve search quality through model, data, and evaluation experiments. You will implement retrieval, ranking, and classification components, train and evaluate models, deploy and monitor search models, and…
Member of Technical Staff ML Engineer Recommendations and User Modeling
You will own personalization and ranking for key product surfaces. You will build user models, design decision systems, develop data and evaluation foundations, and shape the technical direction for recommendations,…