The Interaction Algorithm Engineer will join the Human Interface Devices team to develop innovative multimodal input solutions for human-computer interfaces like Vision Pro. This role requires collaboration across hardware, software, and design disciplines to prototype and refine user interactions. The engineer will analyze data to enhance algorithms and communicate technical challenges to stakeholders. A strong background in software development and user interaction technologies is essential for success in this position.

• 2+ years of software development experience or equivalent internship/research experience
• Proficiency in C++ and Python
• Proficiency in signal processing and/or machine learning
• Comfortable with 3D mathematics
• Experience developing interactions or input technologies
• Experience using genAI tools for software development
• Excellent problem-solving and root cause analysis skills
• BS/MS/PhD in Computer Science, Electrical Engineering, Human Computer Interaction, or a related field or equivalent experience
• Experience developing software with agentic workflows
• Experience developing software for Augmented Reality or Virtual Reality
• Experience with Objective-C and/or Swift

• Prototype and define interactions end-to-end in collaboration with hardware, software, and design partners
• Design user studies and leverage prototypes to define success criteria
• Develop processes for measuring key performance indicators
• Analyze data to identify and drive algorithm improvements
• Create and maintain core algorithms for new interactions and root-cause issues throughout the stack
• Communicate user impacts of technical challenges to cross-functional stakeholders

• Employees at Apple are often offered comprehensive benefits that support physical and mental well-being—flexible medical plans, confidential counseling, onsite wellness centers at major campuses, and resources for fitness and daily life. Families typically receive fertility support, paid parental leave with gradual return, caregiving leave, and dependent-care guidance, while financial perks commonly include stock grants (with purchase discounts), 401(k) matching, and income-protection coverage. Employees also see robust time off, Apple University learning and tuition reimbursement, donation matching and paid volunteer hours, and deep product and partner discounts.