T
Talent@ Beta
Perplexity

Internship - Machine Learning Research Engineer

Perplexity · Series B · Website

Job Description

Internship Program Berlin

Internship program: 12 - 24 weeks, full-time, in-person in the Berlin office.

Responsibilities

  • Relentlessly push search quality forward — through models, data, tools, or any other leverage available.

  • Train, and optimize large-scale deep learning models using frameworks like PyTorch, leveraging distributed training (e.g., PyTorch Distributed, DeepSpeed, FSDP) and hardware acceleration, with a focus on retrieval and ranking models.

  • Conduct research in representation learning, including contrastive learning, multilingual, evaluation, and multimodal modeling for search and retrieval.

  • Build and optimize RAG pipelines for grounding and answer generation.

Qualifications

  • Understanding of search and retrieval systems, including quality evaluation principles and metrics.

  • Strong proficiency with PyTorch, including experience in distributed training techniques and performance optimization for large models.

  • Interested in representation learning, including contrastive learning, dense & sparse vector representations, representation fusion, cross-lingual representation alignment, training data optimization and robust evaluation.

  • Publication record in AI/ML conferences or workshops (e.g., NeurIPS, ICML, ICLR, ACL, EMNLP, SIGIR).

About Perplexity

AI-powered answer engine combining search and language models.

View company profile

Role Details

Location
Berlin
Salary (est. USD)
~$43K - $81K (est. USD)

Estimated based on role seniority, stage (Series B) & industry benchmarks.

How is this calculated?
Seniority Intern / Apprentice
Domain ML / AI (+25%)
Base range $43K – $81K
Department
Search
Type
Full-time
Vertical
AI
Posted
2 months ago

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