Apple · 12 hours ago
Technical Lead - Applied AI Research, Agent Models
Cupertino, CA
Full-time
Onsite
Senior Level, Lead/Staff
$198K/yr - $298K/yr
5+ years expApple is at the forefront of redefining how people interact with their devices, and they are seeking a Technical Lead for Applied AI Research focused on Agent Models. In this high-impact role, you will drive the design and development of large language models for Siri, collaborating with teams to enhance model efficiency and contribute to the model lifecycle process.
AppsArtificial Intelligence (AI)BroadcastingDigital EntertainmentFoundational AIMedia and EntertainmentMobile DevicesOperating SystemsTVWearables
Responsibilities
Drive the design, development and delivery of large language models that power the core of Siri
Lead research and engineer efforts in model post-training techniques that create powerful tool calling and compelling conversational models that run within the constraints of mobile hardware
Collaborate closely with researchers, software engineers and product teams to move innovations from prototype to production
Identify and apply post-training techniques
Advance model efficiency
Contribute to the end-to-end model lifecycle process
Qualification
Required
Masters or PhD in Computer Science, Machine Learning Engineering or equivalent professional experience
5+ years of hands-on industry experience and a proven track record of shipping ML-powered products or features, ideally involving LLMs
Extensive experience with the ML development loop, with expertise in model architectures, data curation, training policies and evaluation
Deep expertise in LLM post-training methods, including supervised fine-tuning, preference optimization methods and reward modeling
Proficiency in Python and one of the deep learning frameworks (such as PyTorch, JAX, or TensorFlow)
Excellent communication: strong interpersonal, verbal and written skills
Preferred
Experience developing small LLMs for constrained or edge devices
Deep understanding of model efficiency and deployment trade-offs in production environments
Experience with multi-modal foundation models that integrate text, visual, and audio
Experience developing AI agents capable of complex reasoning, planning and tool use in diverse environments
Experience developing ML systems for natural language understanding or digital assistants
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)
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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
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Mac Daily News
2025-09-25
Company data provided by crunchbase