Machine Learning Engineer, ASE Search Team

About the role

The Apple Services Engineering AI/ML organization is hiring a Machine Learning Engineer to join the Search team for Video catalog. Our team builds the core intelligence that powers search discovery experiences in the Apple TV App, Siri, and Spotlight cross platforms, helping users effortlessly find and enjoy the content they love. We are a collaborative, high-impact team that values innovation, craftsmanship, and end-to-end ownership from idea to launch. Our systems combine large-scale data, modern retrieval and ranking models, and a deep commitment to user privacy.

Responsibilities

As a Machine Learning Engineer on the Video Search team, within the Apple Services Engineering AI/ML organization, you will:

• Design and deploy large-scale ML systems that power search and discovery across Apple platforms
• Apply machine learning, natural language understanding, and generative AI to model user intent and deliver relevant, personalized results
• Build and optimize cutting edge data processing, ML models, retrieval pipelines, and ranking systems that operate at global scale and under strict privacy standards
• Collaborate closely with cross-functional teams to bring advanced ML technologies into production
• Shape how users discover content they love in Apple TV app, cross Apple TV partners on Apple Platforms, also through Siri and Spotlight
• Develop scalable systems and machine learning models that drive search relevance, personalization, and understanding of content at scale
• Work closely with cross-functional partners in product and design to translate cutting-edge research in advanced machine learning and generative AI into secure and delightful production features used by millions every day

Minimum qualifications

• Experience in machine learning, NLP, IR, or more recently Large Language Model (LLMs)
• Strong programming skills in Python, Java and Go for building scalable ML systems
• Hands-on expertise in ML libraries such as PyTorch, JAX, TensorFlow for model training and deployment
• Ability to translate product goals into technical solutions, improving user experience
• Strong communication, collaboration, and analytical problem-solving skills
• In-depth knowledge of search and information retrieval fundamentals, including indexing and ranking
• Experience with retrieval and ranking algorithms and building big data pipelines using Hadoop, Java, Scala, Spark and more
• Industrial experience in search, classification, recommendation systems, or related fields
• Familiarity with A/B testing and data-driven product development
• Passionate about creating products loved by customers at Apple
• Bachelor's degree or higher (or equivalent practical experience) in Computer Science, Machine Learning, Natural Language Processing, Artificial Intelligence, or a related field

Preferred qualifications

• Experience with search or recommendation systems, and semantic retrieval or vector databases
• Expertise in transformer architectures, embeddings, and retrieval or ranking models
• Experience in applying or fine-tuning LLMs for understanding and generation tasks
• Familiarity with prompt design, context management, RAG and Agentic architectures and solutions
• Exposure to evaluation and safety frameworks for LLM-based systems
• Knowledge of reinforcement learning and other modern post training practices for LLMs
• Passion for developing intelligent, human-centered experiences to enhance content discovery