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Language Engineer (Spanish), Global Siri

Barcelona, Spain💼 Full-time🗓 2026-09-16 → 2026-09-28

Core

Design and implement large-scale ML and GenAI solutions to make Siri feel native to Spanish users.

Role type

Senior IC Language Engineer (Spanish)

Builds

End-to-end Siri experiences for Spanish-speaking markets

Domain

Consumer AI / Speech & NLP

Deliverable

production ML models

Required skills

Machine Learning, NLP, Large Language Models (LLMs), Software Engineering, Data Engineering, Python, Swift, Objective-C, C++, C, Testing, Maintainability

Preferred skills

Agentic systems, Tool calling, Retrieval-augmented generation, ASR, TTS, Pronunciation modeling, Multilingual modeling, Transfer learning, Low-resource settings, Research design, Product focus

Technologies

LLMs, Python, Swift, Objective-C, C++, C

Responsibilities

Design and implement large-scale ML and GenAI solutions, Adapt models across languages and markets, Work with partner teams to account for international market nuances, Build or curate datasets and analyze results

Seniority

Senior, hands-on IC

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