Apple · 4 months ago
Machine Learning Research Engineer, Siri Core Modeling
Cupertino, California, United States
Full-time
Onsite
Mid, Senior Level
$147K/yr - $272K/yr
3+ years expApple is a leading technology company known for its innovative products and services. The Siri team is creating groundbreaking technology for large scale systems, spoken language, machine learning, and LLMs to enable better conversational experience with Siri. As a machine learning engineer, you will be responsible for development and research in deep learning, building advanced natural language understanding systems, and collaborating with multiple teams to ship state-of-the-art technology to production.
AppsArtificial Intelligence (AI)BroadcastingDigital EntertainmentFoundational AIMedia and EntertainmentMobile DevicesOperating SystemsTVWearables
Responsibilities
Develop novel ML/DL models including LLMs for natural language understanding and generation, especially under computation and resource limitations
Work with software and platform engineers to ship LLMs in production
Diagnose model errors and perform accuracy hill climbing for AI assistants
Context engineering for LLMs
Large scale dataset generation
Qualification
Required
Solid understanding of state-of-the-art technology in machine learning, deep learning (including LLMs) and natural language understanding
Excellent problem-solving (e.g. via building forward-looking prototype systems), critical thinking, strong communication, and collaboration skills
Ph.D. or M.S. degree in related fields
Preferred
3-5+ years proven programming skills using standard ML tools such as C/C++, Python, PyTorch, Tensorflow, Hugging Face, etc
Hands-on experience working (training, fine-tuning, optimizing, deploying) with large models (e.g. LLMs)
Hands-on experience applying common machine learning optimization techniques, like quantization and distillation, to reduce the resource consumption and/or eliminate latency
Publication at top ML/DL/NLP conferences such as NeurIPS, ACL, EMNLP, etc. is a plus
Benefits
Comprehensive medical and dental coverage
Retirement benefits
A range of discounted products and free services
Reimbursement for certain educational expenses — including tuition
Discretionary bonuses or commission payments
Relocation
Company
Apple
Apple is a technology company that designs, manufactures, and markets consumer electronics, personal computers, and software.
10001+ employees
H1B Sponsorship
Apple has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
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Trends of Total Sponsorships
2025 (6998)
2024 (3766)
2023 (3939)
2022 (4822)
2021 (4060)
2020 (3656)
Funding
Current Stage
Public CompanyTotal Funding
$5.67BKey Investors
Berkshire HathawayMicrosoftSequoia Capital
2025-05-05Post Ipo Debt· $4.5B
2025-01-16Post Ipo Debt· $0.31M
2021-04-30Post Ipo Equity
Leadership Team
Tim Cook
CEO
Craig Federighi
SVP, Software Engineering
Recent News
Venrock
2025-12-01
2025-09-25
Mac Daily News
2025-09-25
Company data provided by crunchbase