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← Perplexity AI

Member of Technical Staff (Machine Learning Engineer, Ranking Quality - Search)

Perplexity AI · Belgrade · London

Applied AIonsite
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At a glance

Highlights

  • Improve search quality across the middle and later ranking stages.
  • Own ambiguous ranking-quality problems end to end and ship safely.
  • Advance quality through models, data, evaluation and infrastructure.

Ideal candidate

Ranking generalist who thrives owning ambiguous problems end to end and cares deeply about search quality. Brings exceptional depth in neural ranking or production systems and sharp judgment on quality-latency trade-offs.

Requirements

  • Deep understanding of search or recommender systems and their evaluation
  • Proven ownership of a large-scale production ranking system or substantial class of quality problems
  • Strong machine learning and software engineering skills across data, models, serving, and monitoring
  • Ability to drive ambiguous, cross-team problems without continuous task decomposition
  • Exceptional depth in either modern neural ranking methods or low-latency ranking systems and runtime

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
More about Perplexity AI →
Apply on the lab’s site ↗

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