Machine Coding Sheet
LinkedIn Machine Coding Interview
Top low-level design (LLD) and machine coding questions frequently asked in LinkedIn interviews. Master these to clear the LLD round.
Overall progress
0/104 solved
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easy0/18
medium0/45
hard0/41
0/104
Solved
Infrastructure
0/1 solved
| Status | Star | Problem | Difficulty | Key Focus | Notes |
|---|---|---|---|---|---|
Pub-Sub System (Kafka-lite) Asked by:LinkedInConfluentUber+1 more | Hard | Observer & Thread-safe Offset Streams |
Real-time
0/1 solved
| Status | Star | Problem | Difficulty | Key Focus | Notes |
|---|---|---|---|---|---|
Live Reactions System Asked by:MetaByteDanceTwitter+1 more | Hard | Aggregator, High Write Load |
Social
0/4 solved
| Status | Star | Problem | Difficulty | Key Focus | Notes |
|---|---|---|---|---|---|
Follower / Following System Asked by:MetaTwitterLinkedIn+1 more | Easy | Asymmetric Relation Modeling | |||
Mentions & Tagging System Asked by:MetaTwitterSlack+1 more | Easy | String Parsing, Notifications | |||
News Feed Ranker Asked by:MetaByteDanceTwitter+1 more | Medium | Scoring Algorithms | |||
LinkedIn (Social Graph) Asked by:LinkedInMetaTwitter | Hard | Bidirectional BFS, Strategy Pattern, Observer Pattern, Graph Traversals, Concurrent Graph Nodes |