Language Engineer (Polish), Global Siri

Experteer Overview You will anchor Siri’s Polish market, shaping end-to-end ML and GenAI solutions that deliver native, culturally aware experiences.You’ll work across ML, data, and software to deploy scalable systems, fine-tune LLMs, and adapt models for multilingual contexts.This role combines research with production impact, collaborating with global partner teams to scale a world-class voice assistant.You’ll help drive meaningful user experiences for millions of customers while advancing Siri’s global AI foundation.Compensaciones / Beneficios * Lead design and implementation of large-scale ML and GenAI solutions for the Polish market * Serve as technical anchor for Polish localization, collaborating with Apple teams * Work across ML, data, and software engineering to deliver end-to-end systems * Apply LLMs, agentic approaches, tool calling, and retrieval-augmented generation in production * Adapt models for multilingual and cross-lingual contexts and low-resource settings * Evaluate, fine-tune, and optimize models for inference and user experience * Contribute to scalable software development on Apple platforms using Python, Swift, Objective-C, C++, or C Responsabilidades * Hands-on experience with large language models: fine-tuning, prompt/context engineering, evaluation, inference optimization * Experience with speech technologies (ASR, TTS, pronunciation modeling) * Multilingual and cross-lingual modeling, transfer learning, or low-resource adaptation * Ability to define research problems, design experiments, implement solutions, and communicate results * Strong product focus and end-user experience orientation * Proficiency in Python, Swift, Objective-C, C++ or C; Apple platforms experience preferred * MS or PhD in Computer Science or related field, or equivalent practical experience * Professional fluency in Polish with deep cultural understanding * Experience applying ML/NLP to deliver products; solid software design and production code experience * Experience handling data at scale, dataset curation, analysis, and data-driven decision making Requisitos principales *

Compensaciones / Beneficios * Lead design and implementation of large-scale ML and GenAI solutions for the Polish market * Serve as technical anchor for Polish localization, collaborating with Apple teams * Work across ML, data, and software engineering to deliver end-to-end systems * Apply LLMs, agentic approaches, tool calling, and retrieval-augmented generation in production * Adapt models for multilingual and cross-lingual contexts and low-resource settings * Evaluate, fine-tune, and optimize models for inference and user experience * Contribute to scalable software development on Apple platforms using Python, Swift, Objective-C, C++, or C Responsabilidades * Hands-on experience with large language models: fine-tuning, prompt/context engineering, evaluation, inference optimization * Experience with speech technologies (ASR, TTS, pronunciation modeling) * Multilingual and cross-lingual modeling, transfer learning, or low-resource adaptation * Ability to define research problems, design experiments, implement solutions, and communicate results * Strong product focus and end-user experience orientation * Proficiency in Python, Swift, Objective-C, C++ or C; Apple platforms experience preferred * MS or PhD in Computer Science or related field, or equivalent practical experience * Professional fluency in Polish with deep cultural understanding * Experience applying ML/NLP to deliver products; solid software design and production code experience * Experience handling data at scale, dataset curation, analysis, and data-driven decision making Requisitos principales *