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Principal Applied Research Engineer/Scientist, Siri Labs

Cupertino, United States of America💼 Full-time🗓 2026-09-10 → 2026-09-28

Core

Designing next-generation intelligent architectures for a deeply personal AI assistant, focusing on self-improving systems, agentic memory, and autonomous multi-agent coordination.

Role type

Principal Applied Research Engineer (AI Agents & Multi-modal Systems)

Builds

Self-improving AI systems, agentic memory frameworks, and autonomous multi-agent architectures for Apple Intelligence.

Domain

Consumer AI / Machine Learning / Multi-modal Systems

Deliverable

production ML models

Required skills

Transformer-based LLMs, multi-modal foundation models, model lifecycle management (pre-training, fine-tuning, optimization), AI agent design, on-device compute optimization

Preferred skills

High-level architecture decision making, novel research direction advocacy

Technologies

LLMs, multi-modal models, cross-modal attention

Responsibilities

Advance self-improving systems that learn from deployment signals; Design agentic memory frameworks for long-horizon reasoning; Architect autonomous multi-agent systems for task decomposition and collaboration; Lead product-oriented research and rapid prototyping; Partner cross-functionally to define technical direction and deliver scalable ML systems.

Seniority

Principal, hands-on IC with strategic influence

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