Phase 22 · Build Backend Portfolio Projects
ProjectsSocial Media Backend (Feed, Comments, Likes)
Part of the Backend Developer Roadmap.
Summary
A backend for a social app — posts, a feed, comments, likes and follows — practice for modeling highly connected data and building an efficient feed-generation strategy.
How to Learn This
- 1Design a feed-generation strategy (fan-out on write vs fan-out on read) and justify your choice.
- 2Implement likes and comments with correct concurrent-update handling — no lost updates.
- 3Add pagination to the feed that performs well even as the dataset grows large.
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