ML Research Engineer - AI Search & Ranking

present of AI; Zürich; Hybrid; CHF 130,000 - 180,000; Full time

Job summary

Exa is an applied AI lab focused on building a search engine and API for AI models and agents. The role owns the signals and decisions that govern what gets crawled, indexed, refreshed, or dropped across a very large web corpus.

You will work on training and calibrating models for page quality, deduplication, and credibility at web scale, applying AI techniques to real retrieval problems. The work sits at the core of how AI systems find and consume information, enabling models and agents to rely

Job description

Exa is an applied AI lab focused on building a search engine and API for AI models and agents. The role owns the signals and decisions that govern what gets crawled, indexed, refreshed, or dropped across a very large web corpus.

You will work on training and calibrating models for page quality, deduplication, and credibility at web scale, applying AI techniques to real retrieval problems. The work sits at the core of how AI systems find and consume information, enabling models and agents to rely