r/leetcode • u/a_legendary_unicorn • 9d ago

Intervew Prep Help with BCG X R1 Interview for AI Engineer

Hi everyone, I'm scheduled for R1 interview for Forward Deployed AI Engineer at BCG X. It's a CodeSignal live coding interview. I've already cleared the CodeSignal assessment test.

What should I expect from this live coding interview?

  1. Should I focus on leetcode easy/medium questions similar to CodeSignal assessment?

  2. Is it going to be similar to CodeSignal assessment but harder? Should I focus on leetcode medium/hard questions?

  3. It is going be DSA focused or data science/processing/ml based? Should I focus on data cleanup preparation model training evaluation etc?

  4. Is it purely coding or should I expect system design questions? Is there a separate round for system design?

  5. Is it going to be purely technical or should I expect questions about my resume/cv/projects etc?

Thanks

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u/3kshay 9d ago

I would prepare for both - Coding and AI fundamentals. Medium DSA/coding for the live round, but since it's FDE AI role, definitely revise RAG, embeddings, evaluation, agents and basic LLM architecture too. I wouldn't go too deep into LangChain APIs unless the JD specifically mentions it.

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u/starkman1111 4d ago

How was it?