
New grad
PhD engineer building end-to-end ML systems across Google's stack
This is a 2026-start, early-career PhD role open across multiple Google product areas (AI & Infrastructure, Cloud, YouTube, Search, Ads). The work spans the full ML stack — from low-level hardware acceleration and compiler optimizations up to model architecture and production APIs — plus optimizing production system performance (bottlenecks, memory inefficiencies, errors) and writing well-tested, reviewed code. Preferred experience includes deep learning frameworks (TensorFlow/JAX/PyTorch), model architectures (CNNs, NLP transformers, diffusion/vision transformers), and building a full AI application stack from data pipelines to user-facing APIs.
走进这场面试
免费 · 一场按这个岗位校准的真语音模拟
可能的面试形态
Google standard loop: phone screen(s) with coding, followed by onsite rounds covering coding/algorithms, ML/systems design, and Googleyness/leadership behavioral interviews
这场面试考什么
- End-to-end ML system design: data pipeline to model to production API
- Deep learning frameworks and model architecture tradeoffs (CNNs, transformers, diffusion)
- Diagnosing and fixing performance bottlenecks/memory inefficiencies in production ML systems
- Research-to-production translation of ML/AI work at large scale
- Coding fundamentals in Python/C/C++/Java/Go with well-tested, reviewed code
常见提问方向
Walk through an ML project you took from research idea to a working, testable system
Why did you choose a particular model architecture (CNN/transformer/diffusion) for a given problem
Describe a performance bottleneck or memory inefficiency you diagnosed in a large-scale system
How would you design the data ingestion and API layer for an AI-powered application
Coding/algorithms question in one of Python, C, C++, Java, or Go
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