Reddit Question · Jan 2026

๐Ÿ“š Sharing My Free System Design, LLD, and LeetCode Prep Resources (Hope it helps!)

Backend System Design
137 upvotes 21 replies

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Hey everyone ๐Ÿ‘‹ Iโ€™ve been preparing for backend / full-stack / system-heavy interviews and ended up organizing my notes and practice into a few GitHub repos. Sharing them here in case theyโ€™re useful to

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Hey everyone ๐Ÿ‘‹ Iโ€™ve been preparing for backend / full-stack / system-heavy interviews and ended up organizing my notes and practice into a few GitHub repos. Sharing them here in case theyโ€™re useful to others. # ๐Ÿ”น System Design (HLD) Covers end-to-end design for real-world systems with clear breakdowns: * Requirements & constraints * APIs, data models * Scaling, consistency, caching * Excalidraw files for each system * Trade-offs and bottlenecks ๐Ÿ‘‰ <a href="https://github.com/Prakash-sa/system-design-ultimatum!

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Stack Queue System Design Networking Oop