Perplexity
Open positions
Member of Technical Staff Search Crawler Analyst
You will diagnose quality issues in the crawling pipeline and improve page selection for indexing. You will design metrics and experiments, build training datasets and LLM-as-a-judge labeling pipelines, and train small…
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 Search Core DevOps Engineer
You will design and implement highly available, scalable systems and tools for engineers. You will build CI/CD workflows, maintain databases, scale web backends, monitor applications, resolve reliability and…
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 Search Quality Analyst
You will diagnose search-pipeline quality issues, create metrics, and build training datasets and LLM-as-a-judge labeling pipelines. You will improve snippet and page-selection algorithms, and design and analyze A/B…
Member of Technical Staff Search Engine Developer Search Core
You will design and build search engine components such as indexing pipelines, retrieval algorithms, and ranking systems at massive scale. You will develop streaming and batch processing systems, optimize low-level…
Member of Technical Staff Search Core Indexing and Data Pipeline Stream
You will design and build core search-engine components, including indexing pipelines, storage formats, retrieval algorithms, and ranking systems. You will develop streaming and batch data-processing systems for…
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 Backend Infrastructure Engineer Search
You will build and operate scalable, low-latency infrastructure for search serving and retrieval. You will design distributed backend systems, debug production Linux, container, and networking environments, and improve…
Member of Technical Staff Backend Software Engineer Search Crawler
You will lead projects that develop large-scale web crawlers, ingestion pipelines, and data-processing systems. You will build and optimize backend and frontend crawler components, including storage, retrieval, 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…
Member of Technical Staff Software Engineer Cloud Infrastructure
You will own the cloud-infrastructure roadmap and technical strategy. You will design networking, scale Kubernetes and compute platforms, and build isolated deployment topologies. You will implement multi-region…
Member of Technical Staff AI Researcher
You will research, train, and optimize large language models using supervised and reinforcement learning. You will build data, training, and evaluation pipelines, develop training frameworks, run experiments, integrate…