Staff/Sr. Machine Learning Engineer, Foundation Models - AI, Search & Knowledge Platforms

San Francisco Bay Area Seattle Until 9/22/2026 5+ years exp First posted July 24, 2026 Last posted July 24, 2026
Job description

We are Foundation Model Inference Team, within AI, Search & Knowledge Platform Technologies organization. Our team is responsible to build Inference stack to power Apple Intelligence. It builds frameworks, services and tools that power the largest Apple foundation models on servers. Our Infrastructure powers a wide gamut of services at Apple including Apple Search, Apple Music, AppleTV, AppStore, iMessages, Photos & Camera, Spotlight, Safari, Siri and upcoming ever exciting Apple products serving millions of queries every day with incredible low latencies, drawing every ounce of compute from our hardware. As part of this group, you will get a chance to bring Intelligence to billions of users across the world. You will have an opportunity to make difference in life of people by empowering them with AI. You will have a chance to work on optimizing billions of parameter langauge and vision and speech models using state of the art technologies and make it run at scale of Apple.

Description

Work along side Foundation Model Research team to optimize inference for cutting edge model architectures.
Work closely with product teams to build Production grade solutions to launch models serving millions of customers in real time.
Build tools to understand bottlenecks in Inference for different hardwares and use cases.
Mentor and guide engineers in the organization.

Minimum Qualifications

5+ years of experience leading and driving complex, ambiguous projects.
Experience with LLM inference stack
Familiarity with GPU programming concepts using CUDA.
Familiarity with one of the popular ML Frameworks like Pytorch, Tensorflow.
Have experience with high throughput services particularly at supercomputing scale.
Proficient with running applications on Cloud (AWS / Azure or equivalent) using Kubernetes, Docker etc.
Familiar with one of the popular ML Frameworks like Pytorch, Tensorflow.
BS in Computer Science, Artificial Intelligence, Machine Learning, Information Retrieval, Data Science or related field

Preferred Qualifications

Proficient in building and maintaining systems written in modern languages (eg: Golang, Python)
Familiar with fundamental Deep Learning architectures such as Transformers, Encoder/Decoder models.
Familiarity with Nvidia TensorRT-LLM, vLLM, DeepSpeed, Nvidia Triton Server etc.
Experience writing custom CUDA kernels using CUDA or OpenAI Triton.
MS in Computer Science, Artificial Intelligence, Machine Learning, Information Retrieval, Data Science or related field.

About this role

Summary

Optimize inference for large models, build scalable tools, mentor engineers, support production deployment.

Job title

Staff/Sr. Machine Learning Engineer, Foundation Models - AI, Search & Knowledge Platforms

Experience level

5+ years

Minimum experience

5+ years exp

Industry

software

Location requirements

Based in SF Bay Area or Seattle, remote not specified.

Salary

Not specified

Management role

No

Skills & keywords

Required skills

LLM inferenceGPU programmingPyTorchTensorflowcloud (AWS/Azure)KubernetesDocker

Preferred skills

GolangPythonTransformersEncoder/Decoder modelsNvidia TensorRT-LLMDeepSpeedNvidia TritonCUDA kernels

Specializations

machine learninginferenceLLMCUDAcloud
Locations

Structured locations inferred from the posting.

Unknown location

Work arrangement unknown

Unknown location

Work arrangement unknown