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Perplexity

Internship - Machine Learning Research Engineer

  • Hybrid
  • 0-3 years

Salary

Not stated

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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.

Requirements

  • 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).

Where you’d work

Part of the week in the office

About the company

Perplexity

  • Industry: AI

Office in Berlin, Germany

Also hiring in San Francisco, United States, New York City, United States, Palo Alto, United States and 4 more places

1 of their 39 open roles is remote

Your chances

Worth a look before you spend an evening tailoring a CV for it.

  • 19 checks run
  • 4 red flags

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13 checks

1 red flag

How crowded?

6 checks

3 red flags

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  • Must-haves
Details12 facts · Role, Location, Compensation, Employment, Company
Tech stack
  • PyTorch
  • RAG
Seniority
Intern
Type
Internship
Industry
AI
Specialty
ML
Region
Europe
Show 6 more factsShow less

Role

Category
Data & Analytics
Specialty
ML
Seniority
Intern
Experience
0-3 years
Tech stack
  • PyTorch
  • RAG

Location

Work model
Hybrid
Region
Europe
Office
  • Berlin, Germany

Compensation

Salary
Salary by agreement
Pay period
Annual

Employment

Type
Internship

Company

Industry
AI

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