Internship - Multilingual & multimodal Foundation Model, Siri and Information Intelligence

Application Deadline: 30th November 2025

The Global Siri team is focused on taking Siri to the next level and delivering a consistent and delightful user experience across all markets. We work across the technology stack end-to-end - from understanding to generation across various modalities - ensuring that the machine learning models, systems, and software that we develop scale to all languages and regions. As part of this group, you will have the opportunity to innovate in one of the most exciting and fast-moving fields and translate cutting-edge AI research into seamless user experiences to surprise and delight millions of customers around the world in the languages that they speak.

Description
This position requires a highly motivated person who wants to help us advance the understanding of multilingual capabilities of multimodal foundation models. You will be responsible for designing and running large-scale experiments, and for creating specialized training and evaluation datasets to study how multimodal foundation models acquire multilingual capabilities during training, as well as to devise training strategies that facilitate optimal multilingual transfer.

The ideal candidate combines deep technical expertise in machine learning with a proven track record in multilinguality and/or multimodality, the ability to write high-quality code, work with large-scale systems and solve challenging problems independently. Strong interpersonal and collaboration skills are also essential.

Preferred Qualifications
Experience with multilingual data and understanding of the complexities and tradeoffs involved when scaling to non-English languages
Hands-on experience with building and running large-scale data pipelines
Publication record in relevant conferences demonstrating ability to conduct innovative research in deep learning or a track record in applying deep learning techniques to products

Minimum Qualifications
Currently working towards a PhD degree in Computer Science, Machine Learning or related technical field
Experience with foundation models (text, audio, or multimodal) and in-depth knowledge of the latest advancements in the multimodal domain
Hands-on experience with running large-scale experiments
Proficiency in Python and modern ML frameworks such as TensorFlow, PyTorch or JAX
Excellent interpersonal skills and ability to work in a team, as well as independently

At Apple, we’re not all the same. And that’s our greatest strength. We draw on the differences in who we are, what we’ve experienced, and how we think. Because to create products that serve everyone, we believe in including everyone. Therefore, we are committed to treating all applicants fairly and equally. We will work with applicants to make any reasonable accommodations.