Senior Applied AI Engineer, Agent Tools & Capabilities

As a Senior Applied AI Engineer for Siri and Apple Intelligence, you will shape how agentic models reason, plan, and carry out actions across Apple’s ecosystem. You will own the end-to-end quality story and build the platform, runtime, and API abstractions that enable reliable agent capabilities under strict constraints.

Role Responsibilities

• Develop and optimize the platform and runtime that power Siri while meeting strict latency, memory, and power constraints
• Improve agent capabilities using systematic, data-driven experimentation
• Lead a quality loop from early-stage feature development through hillclimbing based on field data
• Collaborate with Apple app and frameworks teams to integrate their experiences into Siri and translate their requirements into platform direction
• Work effectively in ambiguous, rapidly changing conditions in a frontier AI environment

Required Qualifications

• Experience in prompt engineering, tool representation, or tool retrieval
• Experience designing evals and improving model quality with data
• Familiarity with App Intents or other Apple frameworks
• Strong API design skills and a track record of building platforms for other developers
• MS or PhD in Computer Science, Machine Learning, or a related field
• Bachelor's degree in Computer Science, Machine Learning, or a related field, plus 3+ years of industry experience
• Strong programming skills in Swift, C++, Objective-C, or Python
• Hands-on experience shipping production systems built around LLMs
• Knowledge of agentic systems, including planning, orchestration, and multi-step tool use
• Ability to communicate and deliver in fast-moving, ambiguous environments

Technologies

• Swift
• C++
• Objective-C
• Python
• LLMs
• App Intents

Preferred Qualifications

• Experience in prompt engineering, tool representation, or tool retrieval
• Experience designing evals and improving model quality with data
• Familiarity with App Intents or other Apple frameworks
• Strong API design skills and a track record of building platforms for other developers
• MS or PhD in Computer Science, Machine Learning, or a related field

Pay & Benefits

• Base pay range: USD 150,400 - 277,600 per year
• Discretionary employee stock programs, with opportunity to become an Apple shareholder
• Eligible discretionary restricted stock unit awards
• Employee Stock Purchase Plan: purchase Apple stock at a discount if voluntarily participating
• Comprehensive medical and dental coverage
• Retirement benefits
• Range of discounted products and free services
• Reimbursement for certain educational expenses, including tuition, for formal education related to advancing your career at Apple
• Discretionary bonuses or commission payments, and relocation may be eligible
• Learn more about Apple Benefits (as stated)

Additional Notes

Apple benefit, compensation, and employee stock programs are subject to eligibility requirements and other terms of the applicable plan or program. Base pay is determined within the posted range based on skills, qualifications, experience, and location.

Location

Cupertino, CA (onsite)