Internship - Search Machine Learning Engineer
Perplexity AI · London
Applied AIonsiteintern
At a glance
Highlights
- Help build next-generation search tech focused on retrieval and ranking.
- Ship features that directly impact how users search and discover information.
- Help build RAG pipelines for grounding and answer generation.
Ideal candidate
Self-driven and curious student or early-career ML enthusiast passionate about search and discovery, eager to learn production ML and take ownership in a fast-paced environment.
Requirements
- Strong foundation in machine learning and statistics, with coursework or projects related to information retrieval, ranking, or recommender systems
- Experience with Python and common ML frameworks (e.g. PyTorch, TensorFlow, JAX) through academic, open source, or personal projects
- Familiarity with evaluating model quality using offline metrics and/or A/B testing is a plus
- Previous experience working on search, recommendation, or NLP is a plus
- Self-driven and curious, with strong ownership and comfort working in a fast-paced environment
- Experience with Rust is a plus
Lab profile
About Perplexity AI
Builds AI search answers and agentic Computer to turn knowledge into action.
What they build
- Perplexity AI answer engine
- Perplexity Computer agentic assistant
- Comet AI browser and desktop apps
Known for
- Agentic AI and agent capabilities
- Applied AI product engineering
- Cross-platform apps across web, mobile and desktop
- Multimodal AI and integrations
Key facts
- Founded in 2022
- Headquartered in San Francisco, California
- Serves millions of users daily
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