Apple
Software Engineer - LLM Workflows - Apps
Found: October 22, 2025
This role is based in Rellingen, Germany.
Responsibilities:
- Design and implement LLM integration for applications and tools.
- Develop prompt engineering strategies and RAG systems.
- Build evaluation frameworks and data collection pipelines.
- Work cross-functionally with ML researchers and app engineers.
- Implement fine-tuning workflows for specific domains.
- Optimize LLM inference performance for deployment on macOS and iOS.
- Contribute to the full feature development lifecycle.
Minimum Qualifications:
- Experience fine-tuning Large Language Models.
- Proficiency in Python, Swift, or C++.
- Experience with REST APIs, JSON, and LLM services.
- Experience building data collection and evaluation pipelines.
Preferred Qualifications:
- BS/MS in Computer Science or related field, or equivalent experience.
- Experience with prompt engineering and optimization techniques.
- Experience implementing retrieval-augmented generation systems.
- Experience with local model deployment and on-device LLM inference.
