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Design an AI system for automated code migration (e.g. Python 2→3, framework upgrade, language port).

Code migration is a high-value agentic task with an unforgiving correctness bar: the migrated code must still work. The signal is grounding in the real repo, transforming in verifiable chunks, and gating on tests, never one giant LLM rewrite.

Updated Aug 2026 · Grounded in real Applied AI Engineer interview loops and written to a senior-engineer editorial bar.

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No lesson covers this question directly yet. These teach the surrounding topic from the beginning.

Applied AI Engineering·The interviewPremium14mDriving the design conversationA design round is a conversation you are expected to lead, not a question you answer. This lesson is the shape that works, the four moments that decide the outcome, and the two classic ways strong candidates lose one.Applied AI Engineering·The interviewPremium12mTurning this course into a study planA concrete four-week plan mapping the seven modules onto the question bank, plus what to do differently if your interview is next week rather than next month.

UP NEXT ON YOUR JOURNEY

Next in this trackDesign an AI notification system that prioritizes what matters instead of broadcasting everything.Next in this trackDesign an AI meeting summarizer that handles thousands of meetings a day.Next in this trackDesign an on-device AI assistant (runs locally on a phone or laptop).

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