Apple · 5 months ago
Lead ML Engineer, Siri AI Quality Engineering
Cupertino, California, United States
Full-time
Onsite
Senior Level, Lead/Staff
$181K/yr - $318K/yr
10+ years expApple's Siri AI Quality Engineering team is looking for a hard-working and skilled Machine Learning Engineer to join our mission of delivering premier AI experiences to millions of users worldwide. In this role, you will be instrumental in ensuring the highest quality of Siri by developing and deploying innovative ML solutions for automated testing, anomaly detection, and performance analysis.
AppsArtificial Intelligence (AI)BroadcastingDigital EntertainmentFoundational AIMedia and EntertainmentMobile DevicesOperating SystemsTVWearables
Responsibilities
Apply your expertise in ML, data analysis, and software engineering to drive the strategy and execution of large-scale evaluation efforts for Siri’s most sophisticated features
Collaborate with top engineering, design, and product teams to define quality standards, build automated evaluation pipelines, and deliver insights that guide Siri’s development across iPhone, Mac, iPad, Watch, HomePod, Vision Pro, and more
Qualification
Required
10+ years of proven experience in the relevant space
3+ years demonstrated ability in machine learning, including hands-on work with LLMs
Strong programming skills in Python and experience with ML/NLP libraries
Experience building or fine-tuning LLMs for software engineering tasks
Understanding of prompt engineering, and retrieval-augmented generation (RAG)
Experience developing LLM based automated evaluation frameworks
Strong communication and collaboration skills, with the ability to work effectively with cross-functional teams
Preferred
Experience in Swift/XCTest/XCUITest is preferred
Excellent problem-solving, analytical, and debugging skills
Experience working with large-scale datasets, infrastructure, and/or data formats (e.g., JSONL, protobuf)
Experience with large-scale data processing (e.g., Spark, Hadoop) is a plus
Comfortable working in a fast-paced, collaborative environment with shifting priorities
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
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2025-09-25
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