Internship - Machine Learning Research Engineer at Perplexity, via carbon.talent

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).

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