Ml Engineer Interview Questions

2,746 ml engineer interview questions shared by candidates

Can you explain the theoretical differences between LoRA and QLoRA, and provide a detailed, step-by-step guide — including code — for fine-tuning a large language model with each approach, highlighting trade-offs in performance, memory efficiency, and deployment considerations?
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ML/AI Engineer

Interviewed at Fractal

4.1
Aug 14, 2025

Can you explain the theoretical differences between LoRA and QLoRA, and provide a detailed, step-by-step guide — including code — for fine-tuning a large language model with each approach, highlighting trade-offs in performance, memory efficiency, and deployment considerations?

It is related to DSA in ist online test then in live code interview you can expect any dataset they gave ask you to achieve required accuracy in 20 min. In last step you need to complete take home project in given time if you do it by yourself then you can clear their last phase
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ML/AI Engineer

Interviewed at Toptal

3.7
Sep 12, 2025

It is related to DSA in ist online test then in live code interview you can expect any dataset they gave ask you to achieve required accuracy in 20 min. In last step you need to complete take home project in given time if you do it by yourself then you can clear their last phase

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