Senior Machine Learning Engineer Interview Questions

620 senior machine learning engineer interview questions shared by candidates

Questions ranged from - How to scope project requirements and communicate with stakeholders? - Describing key milestones for a project with an ML component. - Going over the 3D / Computer Vision tech stack from low-level OpenCL/Metal/CUDA/Shaders, to Python-based ML workflow, up to C# App Development.
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Senior Machine Learning Engineer

Interviewed at Unity

3.4
Oct 24, 2021

Questions ranged from - How to scope project requirements and communicate with stakeholders? - Describing key milestones for a project with an ML component. - Going over the 3D / Computer Vision tech stack from low-level OpenCL/Metal/CUDA/Shaders, to Python-based ML workflow, up to C# App Development.

Introduction, then ask leet code, then another round asks another leet code and also a network design question, which I still don't know, let alone the answer. Next round, ask leet code again and behavioural questions about which one interviewer was a really bad person.
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Senior Machine Learning Engineer

Interviewed at Amazon Web Services

3.6
Aug 18, 2022

Introduction, then ask leet code, then another round asks another leet code and also a network design question, which I still don't know, let alone the answer. Next round, ask leet code again and behavioural questions about which one interviewer was a really bad person.

L1 Round: The interview began with questions about my recent projects, followed by foundational machine learning topics like supervised vs. unsupervised learning, structured vs. unstructured data, data preprocessing, EDA, and data visualization techniques. I was asked about box plots, including Q1 vs. Q3 formulas and whiskers. They included 3–4 simple riddle questions and ended with an easy Python coding task to print a right-aligned triangle pattern: * ** *** L2 Round: This round focused on deeper discussions about recent projects, LLMs, and Generative AI use cases. One scenario-based question involved integrating AI into a healthcare website to flag incorrect prescriptions via UI warnings. Other questions covered APIs, securing localhost environments before deployment, writing and giving examples of test cases, and long-term career goals. Finally, they revisited salary expectations.
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Senior Machine Learning Engineer

Interviewed at TechSophy

2.8
May 23, 2025

L1 Round: The interview began with questions about my recent projects, followed by foundational machine learning topics like supervised vs. unsupervised learning, structured vs. unstructured data, data preprocessing, EDA, and data visualization techniques. I was asked about box plots, including Q1 vs. Q3 formulas and whiskers. They included 3–4 simple riddle questions and ended with an easy Python coding task to print a right-aligned triangle pattern: * ** *** L2 Round: This round focused on deeper discussions about recent projects, LLMs, and Generative AI use cases. One scenario-based question involved integrating AI into a healthcare website to flag incorrect prescriptions via UI warnings. Other questions covered APIs, securing localhost environments before deployment, writing and giving examples of test cases, and long-term career goals. Finally, they revisited salary expectations.

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