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CourseSoftware EngineeringAdvanced

System design basics for freshers and junior engineers

A practical framework for system design rounds: requirements, estimates, the building blocks (load balancers, caches, databases, queues, CDNs), scaling and reliability trade-offs, and worked designs for a URL shortener and a job portal.

10 min · 5 lessons

Lessons

  1. 1The system design interview framework2 min
  2. 2Building blocks: load balancers, caches, CDNs and queues2 min
  3. 3Databases at scale: replication, sharding and consistency2 min
  4. 4Reliability, observability and low-level design2 min
  5. 5Worked designs: URL shortener and a job portal2 min

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Top 10 system design interview questions

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CourseIntermediate

Data structures and algorithms for coding interviews

12 min · 6 lessons

Interview questionsIntermediate

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CourseBeginner

Java and object-oriented programming for interviews

9 min · 4 lessons