Perplexity

Internship - Machine Learning Research Engineer

Berlin, Germany full-time Mid Salary not listed
full-time Mid level Technology & IT Curated
Sign in to apply Free account — we bring you straight back to this role.

About the role

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).

Find more English Speaking Jobs in Germany on Arbeitnow

Interview prep

Walk in with sharper answers.

Use this as a quick practice sheet before you speak with the employer.

Mid
Technology & IT Internship Machine Learning Research Engineer Mid level

Likely questions

  1. Tell us about work you have done that is close to the Internship - Machine Learning Research Engineer role.
  2. How would you approach your first 30 days at Perplexity?
  3. Which of Internship, Machine and Learning have you used recently, and what did it help you achieve?
  4. Describe a time you solved a problem without waiting to be told exactly what to do.
  5. How do you handle busy days, changing priorities, or pressure at work?

Prepare before the call

  • A recent example that proves your experience with Internship, Machine and Learning.
  • One short story with a problem, your action, and the result.
  • Two examples that show the strengths listed on your CV.
  • A clear reason why this role and company interest you.
  • Your availability, preferred work style, and salary expectations.

Ask them

  • What would success look like in the first 90 days?
  • What are the main problems this hire should help solve?
  • How does the team give feedback and measure good work?
  • What does a normal working week look like for this role?
Practice line

I am interested in the Internship - Machine Learning Research Engineer role because I can bring practical experience in Internship, Machine and Learning, learn the team quickly, and contribute to the outcomes Perplexity needs from this hire.

Related jobs.

More roles from this company or category.