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Technical Lead practice test

Design patterns, SOLID, architecture and system design. Topics: Design Patterns, SOLID Principles, Architecture, System Design, Microservices. Free, timed and scored instantly, with an explanation for every answer.

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Before you start

The test runs in fullscreen and watches for you leaving it.

  • Pressing Esc, switching tabs or apps, or clicking a notification each count as one exit.
  • On the 4th exit the test submits automatically, with whatever you have answered so far.
  • Close other apps and silence notifications now. Keep your phone away from the screen.
  • Once started, the attempt counts even if you leave.