Search ML Engineer

Perplexity·San Francisco, CA

Machine LearningSeniorFull-time

$200K-$320KPosted 10 Feb 2026

About the Role

Perplexity is seeking a Search ML Engineer to build AI-powered search and retrieval systems. You will develop ranking models, implement RAG pipelines, and optimize search relevance for millions of queries across the web.

Requirements

4+ years of experience in search or information retrieval
Strong skills in Python and ML frameworks
Experience with embedding models and vector search
Knowledge of ranking algorithms and relevance metrics
Experience with large-scale data processing

Nice to Have

Experience with web crawling and indexing
Background in knowledge graph construction
Familiarity with RAG architectures
Experience with query understanding and intent classification

Benefits

Equity in a fast-growing AI search company

Full health benefits

Free meals

Central SF office

Annual learning budget

Team offsites

Skills

SearchInformation RetrievalPythonRAGEmbeddingsRanking

This listing was posted on 2026-02-10 and is almost certainly closed. It is kept for reference — check the employer’s own careers page for current openings.

Visit Perplexity

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