Machine Learning Engineer, Apple Search & Knowledge Platforms

The Apple Knowledge Quality Team is building the next-generation of machine

learning solutions for Knowledge Q&A at Apple and help power features including

Siri and Spotlight. The features we build are redefining how hundreds of

millions of people use their computers and mobile devices to search and find

what they are looking for. As part of this group, you will work with one of the

most exciting high performance computing environments, with petabytes of data,

millions of queries per second, and have an opportunity to imagine and build

products that delight our customers every single day.

DESCRIPTION

The Knowledge Quality team is looking for extraordinary Machine Learning

engineers to join a team of world-experts on Large-Scale Data Management and

Machine Learning Systems. Together, you will be pushing the boundaries of

Knowledge Question Answering in Siri. As part of the Knowledge Quality team, you

will design and develop features for a platform that touches upon large-scale

data management, machine-learning and deep learning systems over graph data and

web documents. You will have the outstanding opportunity to inform product

evolution through measurement, evaluation, and analysis of the user experience.

You will partner with cross-functional teams to change how hundreds of millions

of people use their computers and mobile devices to search and provide users

with results that best satisfy their information seeking needs.

MINIMUM QUALIFICATIONS

MS degree in Computer Science, Machine Learning, or related field with 2+ years

of industry experience building production ML/AI systems, OR PhD degree in a

related field Proficiency in mainstream programming languages such as Python,

Scala, and Go Experience building and maintaining large-scale data systems,

knowledge graphs, and end-to-end ML pipelines in production, ideally using the

Apache software stack (e.g., Spark) Hands-on experience with machine learning

frameworks such as PyTorch or TensorFlow in production environments Experience

with natural language processing, statistical data analysis, and model

evaluation methodologies Demonstrated ability to collaborate with

cross-functional teams including product, engineering, and data science

Experience with CI/CD pipelines, model deployment, and monitoring solutions

PREFERRED QUALIFICATIONS

MS degree with 6+ years of industry experience building and scaling ML/AI

systems, OR PhD degree with 3+ years of industry experience in production ML

environments Proven track record designing, deploying, and maintaining

large-scale distributed ML systems serving millions of QPS (queries per second)

Experience with A/B testing, experimentation frameworks, and data-driven product

iteration at scale Experience designing human-in-the-loop evaluation pipelines

and leveraging user feedback to improve model performance Hands-on experience

with LLM deployment, prompt engineering, fine-tuning, RAG (Retrieval-Augmented

Generation), or other generative AI technologies in production Experience

building model monitoring, observability, and quality assurance systems for

production ML services Experience optimizing ML systems for latency, throughput,

and cost at scale Track record of shipping ML-powered features that measurably

improved user experience for consumer-facing products Strong product intuition

and ability to translate business requirements into technical solutions