https://karpov.courses/systemdesign

balun.courses - system design
    https://www.youtube.com/playlist?list=PL67o6qMl9WNHgV5BTnn_vC-9xl0P4MvUP

recommended by Hleb M
    https://www.designgurus.io/courses
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2022
https://karpov.courses/systemdesign
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