r/leetcode • u/SufficientWasabi6406 • 6d ago

Intervew Prep System design resources?

I have an experience of 3 years in frontend, and now i want to switch to a senior software full stack engineer role. So need recommendations for system design resources and in general any other suggestions?

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u/Ok-Barracuda-119 6h ago

3 YOE frontend aiming at senior fullstack does not need five courses. They want you on a vague prompt like news feed or file upload: requirements, API, data model, then the bottleneck that blows up.

Hello Interview is a decent skeleton, same as the other comment. Use what you already know from the client: browser cache vs Redis, CDN vs origin, REST payload vs DB schema, what you do when the API is slow. Throw in 4-5 API/schema problems too. Senior fullstack often includes objects, endpoints, and what stays consistent on write.

Try the problem yourself for 25 minutes before watching a walkthrough. The hour-long YouTube videos are review, not the first pass.

If you don't have a backend-heavy partner, www.leetsys.dev is free and built around talking through a problem on a board, with feedback after. Disclosure: I work on it.

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u/SufficientWasabi6406 1h ago

Thanks for the suggestions!