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IT Technical Skills · ~30 min · Certificate included

Learn system design, the concepts behind modern technical interviews.

System design questions aren't just for senior engineers anymore; many mid-level technical interviews now touch on scalability basics. This course covers the core concepts employers expect you to recognize: load balancing, caching, and how large systems stay reliable.

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What you'll learn
  • Explain what horizontal and vertical scaling mean
  • Describe how load balancers and caching improve reliability
  • Recognize common system design building blocks
  • Talk through a simple system design question in an interview

Free certificate

Watch at least 75% of the video to unlock your free certificate.

Want to go from tutorial to job-ready? Talk to a recruiter.

This course covers the fundamentals. Growx also runs recruiter-led profile marketing, 1-on-1 technical training and mock interviews for candidates ready to go further.

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