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Member of Technical Staff (Machine Learning Engineer, Search)

Perplexity is seeking an experienced Machine Learning Engineer to help build the next generation of advanced search technologies, with a focus on retrieval and ranking.ResponsibilitiesRelentlessly push search quality forward—through models,

Company

Perplexity

Location

Belgrade; London; Berlin

Status

Open

Posted

2025-03-25T21:18:29.173+00:00

Perplexity is hiring a machine learning engineer for its search stack, focused on retrieval and ranking. The person trains and evaluates retrieval, ranking and classification models including LLMs, deploys them at scale, builds RAG pipelines for grounding and answer generation, and architects core parts of the search platform. The posting asks for at least five years on search or recommender systems, a grasp of quality evaluation metrics, and collaboration with data, AI, infrastructure and product teams. Hybrid in Belgrade, London or Berlin.