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Internship - Machine Learning Research Engineer

Perplexity AI · Berlin

Applied AIremoteinternship
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At a glance

Highlights

  • Push search quality forward through models, data and tools.
  • Conduct research in representation learning for search and retrieval.
  • Build and optimize RAG pipelines for grounding and answer generation.

Ideal candidate

A curious ML researcher passionate about search quality and representation learning who thrives on experimentation and turning ideas into impactful retrieval improvements.

Requirements

  • Understanding of search and retrieval systems, including quality evaluation principles and metrics
  • Strong proficiency with PyTorch, including distributed training and performance optimization for large models
  • Interest in representation learning including contrastive learning and cross-lingual alignment and robust evaluation
  • Publication record in AI/ML conferences or workshops such as NeurIPS, ICML, ICLR, ACL, EMNLP, SIGIR

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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