Research Engineer
talentpluto
Internship - Machine Learning Research Engineer
perplexity· Search
About this 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).
Frequently Asked Questions
Is the salary disclosed for the Internship - Machine Learning Research Engineer position at perplexity?
The salary for this Internship - Machine Learning Research Engineer role at perplexity is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Is the Internship - Machine Learning Research Engineer job at perplexity remote?
Yes, this Internship - Machine Learning Research Engineer position at perplexity is remote, with team members based in Berlin. You can work from home or anywhere in the supported regions.
Is the Internship - Machine Learning Research Engineer role at perplexity full-time or part-time?
This is listed as a FullTime position. It is posted as a Internship - Machine Learning Research Engineer role in the Search department at perplexity.
Which team or department does the Internship - Machine Learning Research Engineer at perplexity belong to?
This Internship - Machine Learning Research Engineer position is part of the Search department at perplexity. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Internship - Machine Learning Research Engineer position at perplexity?
Click the "Apply Now" button on this page. You will be redirected to perplexity's official application portal hosted on ashby where you can submit your application directly.
When was the Internship - Machine Learning Research Engineer job at perplexity posted?
This Internship - Machine Learning Research Engineer position at perplexity was posted on Sep 2, 2026. Apply as soon as possible — early applications are often reviewed first.
Internship - Machine Learning Research Engineer
perplexity
You'll be redirected to perplexity's official application page on Ashby ATS.